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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 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 $json
165		194
…		…
180		209
181	sub to_json($) {	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	}
		214
		215	=item cf::lock_wait $string
		216
		217	Wait until the given lock is available. See cf::lock_acquire.
		218
		219	=item my $lock = cf::lock_acquire $string
		220
		221	Wait until the given lock is available and then acquires it and returns
		222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		223	for example when the coroutine gets canceled), the lock is automatically
		224	returned.
		225
		226	Lock names should begin with a unique identifier (for example, cf::map::find
		227	uses map_find and cf::map::load uses map_load).
		228
		229	=cut
		230
		231	our %LOCK;
		232
		233	sub lock_wait($) {
		234	my ($key) = @_;
		235
		236	# wait for lock, if any
		237	while ($LOCK{$key}) {
		238	push @{ $LOCK{$key} }, $Coro::current;
		239	Coro::schedule;
		240	}
		241	}
		242
		243	sub lock_acquire($) {
		244	my ($key) = @_;
		245
		246	# wait, to be sure we are not locked
		247	lock_wait $key;
		248
		249	$LOCK{$key} = [];
		250
		251	Coro::guard {
		252	# wake up all waiters, to be on the safe side
		253	$_->ready for @{ delete $LOCK{$key} };
		254	}
		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	$guard
		263	}
		264
		265	=item cf::async { BLOCK }
		266
		267	Currently the same as Coro::async_pool, meaning you cannot use
		268	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		269	thing you are allowed to do is call C<prio> on it.
		270
		271	=cut
		272
		273	BEGIN { *async = \&Coro::async_pool }
185		274
186	=item cf::sync_job { BLOCK }	275	=item cf::sync_job { BLOCK }
187		276
188	The design of crossfire+ requires that the main coro ($Coro::main) is	277	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	278	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	286	=cut
198		287
199	sub sync_job(&) {	288	sub sync_job(&) {
200	my ($job) = @_;	289	my ($job) = @_;
201		290
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	291	if ($Coro::current == $Coro::main) {
		292	# this is the main coro, too bad, we have to block
		293	# till the operation succeeds, freezing the server :/
		294
212	# TODO: use suspend/resume instead	295	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	296	# (but this is cancel-safe)
		297	my $freeze_guard = freeze_mainloop;
		298
		299	my $busy = 1;
		300	my @res;
		301
		302	(async {
		303	@res = eval { $job->() };
		304	warn $@ if $@;
		305	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	306	})->prio (Coro::PRIO_MAX);
		307
215	while ($busy) {	308	while ($busy) {
216	Coro::cede_notself;	309	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	310	}
		311
		312	wantarray ? @res : $res[0]
219	} else {	313	} else {
220	$coro->join;	314	# we are in another coroutine, how wonderful, everything just works
		315
		316	$job->()
221	}	317	}
222
223	wantarray ? @res : $res[0]
224	}	318	}
225		319
226	=item $coro = cf::coro { BLOCK }	320	=item $coro = cf::async_ext { BLOCK }
227		321
228	Creates and returns a new coro. This coro is automcatially being canceled	322	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	323	extension calling this is being unloaded.
230		324
231	=cut	325	=cut
232		326
233	sub coro(&) {	327	sub async_ext(&) {
234	my $cb = shift;	328	my $cb = shift;
235		329
236	my $coro; $coro = async {	330	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		331
243	$coro->on_destroy (sub {	332	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	333	delete $EXT_CORO{$coro+0};
245	});	334	});
246	$EXT_CORO{$coro+0} = $coro;	335	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	341	my $runtime = cf::localdir . "/runtime";
253		342
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	344	or return;
256		345
257	my $value = $cf::RUNTIME;	346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	348	and return;
260		349
261	aio_fsync $fh	350	aio_fsync $fh
262	and return;	351	and return;
…		…
276		365
277	#############################################################################	366	#############################################################################
278		367
279	package cf::path;	368	package cf::path;
280		369
		370	use overload
		371	'""' => \&as_string;
		372
		373	# used to convert map paths into valid unix filenames by repalcing / by ∕
		374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		375
281	sub new {	376	sub new {
282	my ($class, $path, $base) = @_;	377	my ($class, $path, $base) = @_;
283		378
284	$path = $path->as_string if ref $path;	379	$path = $path->as_string if ref $path;
285		380
286	my $self = bless { }, $class;	381	my $self = bless { }, $class;
287		382
		383	# {... are special paths that are not touched
		384	# ?xxx/... are special absolute paths
		385	# ?random/... random maps
		386	# /! non-realised random map exit
		387	# /... normal maps
		388	# ~/... per-player maps without a specific player (DO NOT USE)
		389	# ~user/... per-player map of a specific user
		390
		391	$path =~ s/$PATH_SEP/\//go;
		392
		393	if ($path =~ /^{/) {
		394	# fine as it is
288	if ($path =~ s{^\?random/}{}) {	395	} elsif ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;	397	$self->{random} = cf::from_json $data;
291	} else {	398	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {	399	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;	400	$self->{user_rel} = 1;
…		…
338	# }	445	# }
339	}	446	}
340		447
341	# escape the /'s in the path	448	# escape the /'s in the path
342	sub _escaped_path {	449	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;	450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
345	$path	451	$path
346	}	452	}
347		453
348	# the original (read-only) location	454	# the original (read-only) location
349	sub load_path {	455	sub load_path {
…		…
798	or return;	904	or return;
799		905
800	unless (aio_stat "$filename.pst") {	906	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	907	(aio_load "$filename.pst", $av) >= 0
802	or return;	908	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	909	$av = eval { (Storable::thaw $av)->{objs} };
804	}	910	}
805		911
		912	warn sprintf "loading %s (%d)\n",
		913	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	914	return ($data, $av);
807	}	915	}
808		916
809	#############################################################################	917	#############################################################################
810	# command handling &c	918	# command handling &c
…		…
835	=cut	943	=cut
836		944
837	sub register_extcmd {	945	sub register_extcmd {
838	my ($name, $cb) = @_;	946	my ($name, $cb) = @_;
839		947
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	948	$EXTCMD{$name} = $cb;
844	}	949	}
845		950
846	cf::player->attach (	951	cf::player->attach (
847	on_command => sub {	952	on_command => sub {
848	my ($pl, $name, $params) = @_;	953	my ($pl, $name, $params) = @_;
…		…
861		966
862	my $msg = eval { from_json $buf };	967	my $msg = eval { from_json $buf };
863		968
864	if (ref $msg) {	969	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	971	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	972	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	973	}
869	}	974	}
870	} else {	975	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		978
874	cf::override;	979	cf::override;
875	},	980	},
876	);	981	);
877		982
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	983	sub load_extension {
885	my ($path) = @_;	984	my ($path) = @_;
886		985
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	987	my $base = $1;
…		…
903		1002
904	eval $source	1003	eval $source
905	or die $@ ? "$path: $@\n"	1004	or die $@ ? "$path: $@\n"
906	: "extension disabled.\n";	1005	: "extension disabled.\n";
907		1006
908	push @exts, $pkg;	1007	push @EXTS, $pkg;
909	$ext_pkg{$base} = $pkg;
910
911	# no strict 'refs';
912	# @{"$pkg\::ISA"} = ext::;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }
927
928	# remove commands
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	1008	}
953		1009
954	sub load_extensions {	1010	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	1011	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	1012	next unless -r $ext;
…		…
974	};	1030	};
975		1031
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977		1033
978	#############################################################################	1034	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		1035
1002	=head2 CORE EXTENSIONS	1036	=head2 CORE EXTENSIONS
1003		1037
1004	Functions and methods that extend core crossfire objects.	1038	Functions and methods that extend core crossfire objects.
1005		1039
		1040	=cut
		1041
		1042	package cf::player;
		1043
		1044	use Coro::AIO;
		1045
1006	=head3 cf::player	1046	=head3 cf::player
1007		1047
1008	=over 4	1048	=over 4
1009		1049
1010	=item cf::player::exists $login	1050	=item cf::player::find $login
1011		1051
1012	Returns true when the given account exists.	1052	Returns the given player object, loading it if necessary (might block).
1013		1053
1014	=cut	1054	=cut
1015		1055
1016	sub cf::player::exists($) {	1056	sub playerdir($) {
1017	cf::player::find $_[0]	1057	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1019	}	1202	}
1020		1203
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1204	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1205
1023	Sends an ext reply to the player.	1206	Sends an ext reply to the player.
1024		1207
1025	=cut	1208	=cut
1026		1209
1027	sub cf::player::ext_reply($$$%) {	1210	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1211	my ($self, $id, %msg) = @_;
1029		1212
1030	$msg{msgid} = $id;	1213	$msg{msgid} = $id;
1031		1214
1032	$self->send ("ext " . to_json \%msg);	1215	$self->send ("ext " . cf::to_json \%msg);
1033	}	1216	}
		1217
		1218	package cf;
1034		1219
1035	=back	1220	=back
1036		1221
1037		1222
1038	=head3 cf::map	1223	=head3 cf::map
…		…
1044	package cf::map;	1229	package cf::map;
1045		1230
1046	use Fcntl;	1231	use Fcntl;
1047	use Coro::AIO;	1232	use Coro::AIO;
1048		1233
1049	our $MAX_RESET = 7200;	1234	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1235	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1236
1054	sub generate_random_map {	1237	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1238	my ($path, $rmp) = @_;
1056		1239
1057	# mit "rum" bekleckern, nicht	1240	# mit "rum" bekleckern, nicht
…		…
1073	# and all this just because we cannot iterate over	1256	# and all this just because we cannot iterate over
1074	# all maps in C++...	1257	# all maps in C++...
1075	sub change_all_map_light {	1258	sub change_all_map_light {
1076	my ($change) = @_;	1259	my ($change) = @_;
1077		1260
1078	$_->change_map_light ($change) for values %cf::MAP;	1261	$_->change_map_light ($change)
		1262	for grep $_->outdoor, values %cf::MAP;
1079	}	1263	}
1080		1264
1081	sub try_load_header($) {	1265	sub try_load_header($) {
1082	my ($path) = @_;	1266	my ($path) = @_;
1083		1267
…		…
1086	or return;	1270	or return;
1087		1271
1088	my $map = cf::map::new	1272	my $map = cf::map::new
1089	or return;	1273	or return;
1090		1274
		1275	# for better error messages only, will be overwritten
		1276	$map->path ($path);
		1277
1091	$map->load_header ($path)	1278	$map->load_header ($path)
1092	or return;	1279	or return;
1093		1280
1094	$map->{load_path} = $path;	1281	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096		1282
1097	$map	1283	$map
1098	}	1284	}
1099		1285
		1286	sub find;
1100	sub find_map {	1287	sub find {
1101	my ($path, $origin) = @_;	1288	my ($path, $origin) = @_;
1102		1289
1103	#warn "find_map<$path,$origin>\n";#d#	1290	#warn "find<$path,$origin>\n";#d#
1104		1291
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1292	$path = new cf::path $path, $origin && $origin->path;
1106	my $key = $path->as_string;	1293	my $key = $path->as_string;
1107		1294
		1295	cf::lock_wait "map_find:$key";
		1296
1108	$cf::MAP{$key} || do {	1297	$cf::MAP{$key} || do {
		1298	my $guard = cf::lock_acquire "map_find:$key";
		1299
1109	# do it the slow way	1300	# do it the slow way
1110	my $map = try_load_header $path->save_path;	1301	my $map = try_load_header $path->save_path;
1111		1302
		1303	Coro::cede;
		1304
1112	if ($map) {	1305	if ($map) {
		1306	$map->last_access ((delete $map->{last_access})
		1307	|| $cf::RUNTIME); #d#
1113	# safety	1308	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME	1309	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;	1310	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {	1311	} else {
1117	if (my $rmp = $path->random_map_params) {	1312	if (my $rmp = $path->random_map_params) {
…		…
1120	$map = try_load_header $path->load_path;	1315	$map = try_load_header $path->load_path;
1121	}	1316	}
1122		1317
1123	$map or return;	1318	$map or return;
1124		1319
		1320	$map->{load_original} = 1;
1125	$map->{instantiate_time} = $cf::RUNTIME;	1321	$map->{instantiate_time} = $cf::RUNTIME;
		1322	$map->last_access ($cf::RUNTIME);
1126	$map->instantiate;	1323	$map->instantiate;
1127		1324
1128	# per-player maps become, after loading, normal maps	1325	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};	1326	$map->per_player (0) if $path->{user_rel};
1130	}	1327	}
1131		1328
1132	$map->path ($key);	1329	$map->path ($key);
1133	$map->{path} = $path;	1330	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1331	$map->{last_save} = $cf::RUNTIME;
1135		1332
		1333	Coro::cede;
		1334
1136	$map->reset if $map->should_reset;	1335	if ($map->should_reset) {
		1336	$map->reset;
		1337	undef $guard;
		1338	$map = find $path
		1339	or return;
		1340	}
1137		1341
1138	$cf::MAP{$key} = $map	1342	$cf::MAP{$key} = $map
1139	}	1343	}
1140	}	1344	}
1141		1345
1142	sub load {	1346	sub load {
1143	my ($self) = @_;	1347	my ($self) = @_;
1144		1348
		1349	my $path = $self->{path};
		1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1351
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1352	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1353
1147	$self->in_memory (cf::MAP_LOADING);	1354	$self->in_memory (cf::MAP_LOADING);
1148
1149	my $path = $self->{path};
1150		1355
1151	$self->alloc;	1356	$self->alloc;
1152	$self->load_objects ($self->{load_path}, 1)	1357	$self->load_objects ($self->{load_path}, 1)
1153	or return;	1358	or return;
		1359
		1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1361	if delete $self->{load_original};
1154		1362
1155	if (my $uniq = $path->uniq_path) {	1363	if (my $uniq = $path->uniq_path) {
1156	utf8::encode $uniq;	1364	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1365	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1366	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1367	$self->load_objects ($uniq, 0);
1160	}	1368	}
1161	}	1369	}
		1370
		1371	Coro::cede;
1162		1372
1163	# now do the right thing for maps	1373	# now do the right thing for maps
1164	$self->link_multipart_objects;	1374	$self->link_multipart_objects;
1165		1375
1166	if ($self->{path}->is_style_map) {	1376	if ($self->{path}->is_style_map) {
…		…
1174	$self->difficulty ($self->estimate_difficulty)	1384	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1385	unless $self->difficulty;
1176	$self->activate;	1386	$self->activate;
1177	}	1387	}
1178		1388
		1389	Coro::cede;
		1390
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1391	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1392	}
1181		1393
1182	sub load_map_sync {	1394	# find and load all maps in the 3x3 area around a map
		1395	sub load_diag {
		1396	my ($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	$neigh->load;
		1415	}
		1416	}
		1417
		1418	sub find_sync {
1183	my ($path, $origin) = @_;	1419	my ($path, $origin) = @_;
1184		1420
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1421	cf::sync_job { find $path, $origin }
		1422	}
1186		1423
1187	cf::sync_job {	1424	sub do_load_sync {
1188	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
1189	or return;	1435	or next;
		1436	my $path = delete $MAP_PREFETCH{$key};
		1437
		1438	my $map = find $path
		1439	or next;
1190	$map->load;	1440	$map->load;
1191	$map	1441	}
		1442	Coro::schedule;
1192	}	1443	}
		1444	};
		1445
		1446	sub find_async {
		1447	my ($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	$MAP_PREFETCHER->ready;
		1458
		1459	()
1193	}	1460	}
1194		1461
1195	sub save {	1462	sub save {
1196	my ($self) = @_;	1463	my ($self) = @_;
1197		1464
		1465	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1466
		1467	$self->{last_save} = $cf::RUNTIME;
		1468
		1469	return unless $self->dirty;
		1470
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1471	my $save = $self->{path}->save_path; utf8::encode $save;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1473
1201	$self->{last_save} = $cf::RUNTIME;
1202
1203	return unless $self->dirty;
1204
1205	$self->{load_path} = $save;	1474	$self->{load_path} = $save;
1206		1475
1207	return if $self->{deny_save};	1476	return if $self->{deny_save};
1208		1477
1209	warn "saving map ", $self->path;	1478	local $self->{last_access} = $self->last_access;#d#
		1479
		1480	cf::async {
		1481	$_->contr->save for $self->players;
		1482	};
1210		1483
1211	if ($uniq) {	1484	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1486	$self->save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1487	} else {
…		…
1217	}	1490	}
1218		1491
1219	sub swap_out {	1492	sub swap_out {
1220	my ($self) = @_;	1493	my ($self) = @_;
1221		1494
		1495	# save first because save cedes
		1496	$self->save;
		1497
		1498	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1499
1222	return if $self->players;	1500	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1501	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1502	return if $self->{deny_save};
1225		1503
1226	$self->save;
1227	$self->clear;	1504	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1505	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1506	}
1230		1507
		1508	sub reset_at {
		1509	my ($self) = @_;
		1510
		1511	# TODO: safety, remove and allow resettable per-player maps
		1512	return 1e99 if $self->{path}{user_rel};
		1513	return 1e99 if $self->{deny_reset};
		1514
		1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1517
		1518	$time + $to
		1519	}
		1520
1231	sub should_reset {	1521	sub should_reset {
1232	my ($map) = @_;
1233
1234	# TODO: safety, remove and allow resettable per-player maps
1235	return if $map->{path}{user_rel};#d#
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME
1242	}
1243
1244	sub reset {
1245	my ($self) = @_;	1522	my ($self) = @_;
1246		1523
1247	return if $self->players;	1524	$self->reset_at <= $cf::RUNTIME
1248	return if $self->{path}{user_rel};#d#	1525	}
1249		1526
1250	warn "resetting map ", $self->path;#d#	1527	sub unlink_save {
		1528	my ($self) = @_;
1251		1529
1252	utf8::encode (my $save = $self->{path}->save_path);	1530	utf8::encode (my $save = $self->{path}->save_path);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1533	}
		1534
		1535	sub rename {
		1536	my ($self, $new_path) = @_;
		1537
		1538	$self->unlink_save;
		1539
		1540	delete $cf::MAP{$self->path};
		1541	$self->{path} = new cf::path $new_path;
		1542	$self->path ($self->{path}->as_string);
		1543	$cf::MAP{$self->path} = $self;
		1544
		1545	$self->save;
		1546	}
		1547
		1548	sub reset {
		1549	my ($self) = @_;
		1550
		1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1552
		1553	return if $self->players;
		1554	return if $self->{path}{user_rel};#d#
		1555
		1556	warn "resetting map ", $self->path;#d#
		1557
		1558	delete $cf::MAP{$self->path};
1255		1559
1256	$_->clear_links_to ($self) for values %cf::MAP;	1560	$_->clear_links_to ($self) for values %cf::MAP;
1257		1561
		1562	$self->unlink_save;
1258	$self->clear;	1563	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);	1564	}
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);	1565
		1566	my $nuke_counter = "aaaa";
		1567
		1568	sub nuke {
		1569	my ($self) = @_;
		1570
		1571	$self->{deny_save} = 1;
		1572	$self->reset_timeout (1);
		1573	$self->rename ("{nuke}/" . ($nuke_counter++));
		1574	$self->reset; # polite request, might not happen
1261	}	1575	}
1262		1576
1263	sub customise_for {	1577	sub customise_for {
1264	my ($map, $ob) = @_;	1578	my ($map, $ob) = @_;
1265		1579
1266	if ($map->per_player) {	1580	if ($map->per_player) {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1268	}	1582	}
1269		1583
1270	$map	1584	$map
1271	}	1585	}
1272		1586
1273	sub emergency_save {	1587	=item cf::map::unique_maps
1274	local $cf::FREEZE = 1;
1275		1588
1276	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.
1277		1591
1278	cf::sync_job {	1592	=cut
1279	warn "begin emergency map save\n";	1593
1280	$_->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 $_;
1281	};	1606	}
1282		1607
1283	warn "end emergency map save\n";	1608	\@paths
1284	}	1609	}
1285		1610
1286	package cf;	1611	package cf;
1287		1612
1288	=back	1613	=back
1289		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
1290		1641
1291	=head3 cf::object::player	1642	=head3 cf::object::player
1292		1643
1293	=over 4	1644	=over 4
1294		1645
…		…
1330	(ref $cf::CFG{"may_$access"}	1681	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1682	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1683	: $cf::CFG{"may_$access"})
1333	}	1684	}
1334		1685
		1686	=item $player_object->enter_link
		1687
		1688	Freezes the player and moves him/her to a special map (C<{link}>).
		1689
		1690	The player should be reaosnably safe there for short amounts of time. You
		1691	I<MUST> call C<leave_link> as soon as possible, though.
		1692
		1693	=item $player_object->leave_link ($map, $x, $y)
		1694
		1695	Moves the player out of the specila link map onto the given map. If the
		1696	map is not valid (or omitted), the player will be moved back to the
		1697	location he/she was before the call to C<enter_link>, or, if that fails,
		1698	to the emergency map position.
		1699
		1700	Might block.
		1701
		1702	=cut
		1703
1335	sub cf::object::player::enter_link {	1704	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1705	my ($self) = @_;
1337		1706
		1707	$self->deactivate_recursive;
		1708
1338	return if $self->map == $LINK_MAP;	1709	return if $self->map == $LINK_MAP;
1339		1710
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1712	if $self->map;
1342		1713
1343	$self->enter_map ($LINK_MAP, 20, 20);	1714	$self->enter_map ($LINK_MAP, 20, 20);
1344	$self->deactivate_recursive;
1345	}	1715	}
1346		1716
1347	sub cf::object::player::leave_link {	1717	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1718	my ($self, $map, $x, $y) = @_;
1349		1719
1350	my $link_pos = delete $self->{_link_pos};	1720	my $link_pos = delete $self->{_link_pos};
1351		1721
1352	unless ($map) {	1722	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1723	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1724	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1725	$map = cf::map::find $map;
1358		1726
1359	unless ($map) {	1727	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1728	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1729	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1730	or die "FATAL: cannot load emergency map\n";
1363	}	1731	}
1364	}	1732	}
1365		1733
1366	($x, $y) = (-1, -1)	1734	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1737	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1738	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1739	if $x <=0 && $y <= 0;
1372		1740
1373	$map->load;	1741	$map->load;
		1742	$map->load_diag;
1374		1743
		1744	return unless $self->contr->active;
1375	$self->activate_recursive;	1745	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1746	$self->enter_map ($map, $x, $y);
1377	}	1747	}
1378		1748
		1749	cf::player->attach (
		1750	on_logout => sub {
		1751	my ($pl) = @_;
		1752
		1753	# abort map switching before logout
		1754	if ($pl->ob->{_link_pos}) {
		1755	cf::sync_job {
		1756	$pl->ob->leave_link
		1757	};
		1758	}
		1759	},
		1760	on_login => sub {
		1761	my ($pl) = @_;
		1762
		1763	# try to abort aborted map switching on player login :)
		1764	# should happen only on crashes
		1765	if ($pl->ob->{_link_pos}) {
		1766	$pl->ob->enter_link;
		1767	(async {
		1768	# we need this sleep as the login has a concurrent enter_exit running
		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);
		1774	Coro::Timer::sleep 1;
		1775	$pl->ob->leave_link;
		1776	})->prio (2);
		1777	}
		1778	},
		1779	);
		1780
1379	=item $player_object->goto_map ($map, $x, $y)	1781	=item $player_object->goto ($path, $x, $y)
1380		1782
1381	=cut	1783	=cut
1382		1784
1383	sub cf::object::player::goto_map {	1785	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1786	my ($self, $path, $x, $y) = @_;
1385		1787
		1788	$path = new cf::path $path;
		1789
1386	$self->enter_link;	1790	$self->enter_link;
1387		1791
1388	(Coro::async {	1792	(async {
1389	$path = new cf::path $path;
1390
1391	my $map = cf::map::find_map $path->as_string;	1793	my $map = cf::map::find $path->as_string;
1392	$map = $map->customise_for ($self) if $map;	1794	$map = $map->customise_for ($self) if $map;
1393		1795
1394	warn "entering ", $map->path, " at ($x, $y)\n"	1796	# warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1797	# if $map;
		1798
		1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1396		1800
1397	$self->leave_link ($map, $x, $y);	1801	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1802	})->prio (1);
1399	}	1803	}
1400		1804
…		…
1453		1857
1454	return unless $self->type == cf::PLAYER;	1858	return unless $self->type == cf::PLAYER;
1455		1859
1456	$self->enter_link;	1860	$self->enter_link;
1457		1861
1458	(Coro::async {	1862	(async {
		1863	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1864	unless (eval {
1460
1461	prepare_random_map $exit	1865	prepare_random_map $exit
1462	if $exit->slaying eq "/!";	1866	if $exit->slaying eq "/!";
1463		1867
1464	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;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1466		1870
1467	1;	1871	1;
1468	}) {	1872	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1873	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "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. "
1471	. "Please report this to the dungeon master",	1875	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	1876	cf::NDI_UNIQUE | cf::NDI_RED);
1473		1877
1474	warn "ERROR in enter_exit: $@";	1878	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	1879	$self->leave_link;
1476	}	1880	}
…		…
1527	on_reply => sub {	1931	on_reply => sub {
1528	my ($ns, $msg) = @_;	1932	my ($ns, $msg) = @_;
1529		1933
1530	# this weird shuffling is so that direct followup queries	1934	# this weird shuffling is so that direct followup queries
1531	# get handled first	1935	# get handled first
1532	my $queue = delete $ns->{query_queue};	1936	my $queue = delete $ns->{query_queue}
		1937	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		1938
1534	(shift @$queue)->[1]->($msg);	1939	(shift @$queue)->[1]->($msg);
1535		1940
1536	push @{ $ns->{query_queue} }, @$queue;	1941	push @{ $ns->{query_queue} }, @$queue;
1537		1942
…		…
1543	}	1948	}
1544	}	1949	}
1545	},	1950	},
1546	);	1951	);
1547		1952
1548	=item $client->coro (\&cb)	1953	=item $client->async (\&cb)
1549		1954
1550	Create a new coroutine, running the specified callback. The coroutine will	1955	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	1956	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	1957	or loss of connection).
1553		1958
1554	=cut	1959	=cut
1555		1960
1556	sub cf::client::coro {	1961	sub cf::client::async {
1557	my ($self, $cb) = @_;	1962	my ($self, $cb) = @_;
1558		1963
1559	my $coro; $coro = async {	1964	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		1965
1566	$coro->on_destroy (sub {	1966	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	1967	delete $self->{_coro}{$coro+0};
1568	});	1968	});
1569		1969
…		…
1741		2141
1742	{	2142	{
1743	my $path = cf::localdir . "/database.pst";	2143	my $path = cf::localdir . "/database.pst";
1744		2144
1745	sub db_load() {	2145	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };	2146	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	2147	}
1749		2148
1750	my $pid;	2149	my $pid;
1751		2150
1752	sub db_save() {	2151	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;	2152	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {	2153	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;	2154	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";	2155	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;	2156	rename "$path~", $path;
…		…
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2204	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2205	or return;
1808		2206
1809	local $/;	2207	local $/;
1810	*CFG = YAML::Syck::Load <$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	}
1811	}	2222	}
1812		2223
1813	sub main {	2224	sub main {
1814	# we must not ever block the main coroutine	2225	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2226	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {
1818	Event::one_event;	2228	async { Event::one_event };
1819	})->();
1820	};	2229	};
1821		2230
1822	cfg_load;	2231	cfg_load;
1823	db_load;	2232	db_load;
1824	load_extensions;	2233	load_extensions;
1825	Event::loop;	2234	Event::loop;
1826	}	2235	}
1827		2236
1828	#############################################################################	2237	#############################################################################
1829	# initialisation	2238	# initialisation and cleanup
1830		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	$map->save;
		2275	}
		2276	warn "end emergency map save\n";
		2277	};
		2278
		2279	warn "leave emergency perl save\n";
		2280	}
		2281
1831	sub perl_reload() {	2282	sub reload() {
1832	# can/must only be called in main	2283	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2284	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2285	warn "can only reload from main coroutine\n";
1835	return;	2286	return;
1836	}	2287	}
1837		2288
1838	warn "reloading...";	2289	warn "reloading...";
1839		2290
1840	local $FREEZE = 1;	2291	warn "freezing server";
		2292	my $guard = freeze_mainloop;
1841	cf::emergency_save;	2293	cf::emergency_save;
		2294
		2295	warn "sync database to disk";
		2296	cf::db_sync;
		2297	IO::AIO::flush;
1842		2298
1843	eval {	2299	eval {
1844	# 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
1845		2301
1846	# cancel all watchers	2302	warn "cancel all watchers";
1847	for (Event::all_watchers) {	2303	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2304	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2305	}
1850		2306
1851	# cancel all extension coros	2307	warn "cancel all extension coros";
1852	$_->cancel for values %EXT_CORO;	2308	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2309	%EXT_CORO = ();
1854		2310
		2311	warn "remove commands";
		2312	%COMMAND = ();
		2313
		2314	warn "remove ext commands";
		2315	%EXTCMD = ();
		2316
1855	# unload all extensions	2317	warn "unload/nuke all extensions";
1856	for (@exts) {	2318	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2319	warn "unloading <$pkg>";
1858	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: $@";
1859	}	2326	}
1860		2327
		2328	Symbol::delete_package $pkg;
		2329	}
		2330
1861	# unload all modules loaded from $LIBDIR	2331	warn "unload all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2332	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2334
1865	warn "removing <$k>";	2335	warn "removing <$k>";
1866	delete $INC{$k};	2336	delete $INC{$k};
…		…
1873	}	2343	}
1874		2344
1875	Symbol::delete_package $k;	2345	Symbol::delete_package $k;
1876	}	2346	}
1877		2347
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2348	warn "get rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2349	Symbol::delete_package "safe::$_"
1884	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);
1885		2351
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2352	warn "unload cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2353	delete $INC{"cf.pm"};
1891		2354
1892	# don't, removes xs symbols, too,	2355	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2356	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2357	#Symbol::delete_package __PACKAGE__;
1895		2358
1896	# reload cf.pm
1897	warn "reloading cf.pm";	2359	warn "reloading cf.pm";
1898	require cf;	2360	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2362
1901	# load config and database again	2363	warn "load config and database again";
1902	cf::cfg_load;	2364	cf::cfg_load;
1903	cf::db_load;	2365	cf::db_load;
1904		2366
1905	# load extensions
1906	warn "load extensions";	2367	warn "load extensions";
1907	cf::load_extensions;	2368	cf::load_extensions;
1908		2369
1909	# reattach attachments to objects	2370	warn "reattach attachments to objects/players";
1910	warn "reattach";
1911	_global_reattach;	2371	_global_reattach;
		2372	warn "reattach attachments to maps";
		2373	reattach $_ for values %MAP;
1912	};	2374	};
1913		2375
1914	if ($@) {	2376	if ($@) {
1915	warn $@;	2377	warn $@;
1916	warn "error while reloading, exiting.";	2378	warn "error while reloading, exiting.";
1917	exit 1;	2379	exit 1;
1918	}	2380	}
1919		2381
1920	warn "reloaded successfully";	2382	warn "reloaded";
1921	};	2383	};
1922		2384
1923	#############################################################################	2385	#############################################################################
1924		2386
1925	unless ($LINK_MAP) {	2387	unless ($LINK_MAP) {
…		…
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934		2396
1935	# dirty hack because... archetypes are not yet loaded	2397	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (	2398	Event->timer (
1937	after => 2,	2399	after => 10,
1938	cb => sub {	2400	cb => sub {
1939	$_[0]->w->cancel;	2401	$_[0]->w->cancel;
1940		2402
1941	# provide some exits "home"	2403	# provide some exits "home"
1942	my $exit = cf::object::new "exit";	2404	my $exit = cf::object::new "exit";
…		…
1961	$LINK_MAP->{deny_reset} = 1;	2423	$LINK_MAP->{deny_reset} = 1;
1962		2424
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}	2426	}
1965		2427
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2428	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2429	my ($who, $arg) = @_;
1970		2430
1971	if ($who->flag (FLAG_WIZ)) {	2431	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");	2432	$who->message ("start of reload.");
1973	perl_reload;	2433	reload;
1974	$who->message ("end of reload.");	2434	$who->message ("end of reload.");
1975	}	2435	}
1976	};	2436	};
1977		2437
1978	unshift @INC, $LIBDIR;	2438	unshift @INC, $LIBDIR;
…		…
1981	reentrant => 0,	2441	reentrant => 0,
1982	prio => 0,	2442	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2443	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2444	data => WF_AUTOCANCEL,
1985	cb => sub {	2445	cb => sub {
1986	unless ($FREEZE) {
1987	cf::server_tick; # one server iteration	2446	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2447	$RUNTIME += $TICK;
1989	}
1990
1991	$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;
1992		2452
1993	# 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
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2455
1996	$TICK_WATCHER->at ($NEXT_TICK);	2456	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2018	or warn "ERROR: unable to write runtime file: $!";	2478	or warn "ERROR: unable to write runtime file: $!";
2019	})->();	2479	})->();
2020	},	2480	},
2021	);	2481	);
2022		2482
		2483	END { cf::emergency_save }
		2484
2023	1	2485	1
2024		2486

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