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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC

…		…
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
38		42
39	our @EVENT;	43	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	44	our $LIBDIR = datadir . "/ext";
41		45
42	our $TICK = MAX_TIME * 1e-6;	46	our $TICK = MAX_TIME * 1e-6;
…		…
47	our %CFG;	51	our %CFG;
48		52
49	our $UPTIME; $UPTIME \|\|= time;	53	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	54	our $RUNTIME;
51		55
		56	our %PLAYER; # all users
52	our %MAP; # all maps	57	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	58	our $LINK_MAP; # the special {link} map
54	our $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	}
249		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	$guard
		263	}
		264
250	=item cf::async { BLOCK }	265	=item cf::async { BLOCK }
251		266
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	267	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	268	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		269	thing you are allowed to do is call C<prio> on it.
254		270
255	=cut	271	=cut
256		272
257	sub async(&) {	273	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		274
266	=item cf::sync_job { BLOCK }	275	=item cf::sync_job { BLOCK }
267		276
268	The design of crossfire+ requires that the main coro ($Coro::main) is	277	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	292	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	293	# till the operation succeeds, freezing the server :/
285		294
286	# TODO: use suspend/resume instead	295	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	296	# (but this is cancel-safe)
288	local $FREEZE = 1;	297	my $freeze_guard = freeze_mainloop;
289		298
290	my $busy = 1;	299	my $busy = 1;
291	my @res;	300	my @res;
292		301
293	(Coro::async {	302	(async {
294	@res = eval { $job->() };	303	@res = eval { $job->() };
295	warn $@ if $@;	304	warn $@ if $@;
296	undef $busy;	305	undef $busy;
297	})->prio (Coro::PRIO_MAX);	306	})->prio (Coro::PRIO_MAX);
298		307
299	while ($busy) {	308	while ($busy) {
300	Coro::cede_notself;	309	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	310	}
303		311
304	wantarray ? @res : $res[0]	312	wantarray ? @res : $res[0]
305	} else {	313	} else {
306	# we are in another coroutine, how wonderful, everything just works	314	# we are in another coroutine, how wonderful, everything just works
307		315
308	$job->()	316	$job->()
309	}	317	}
310	}	318	}
311		319
312	=item $coro = cf::coro { BLOCK }	320	=item $coro = cf::async_ext { BLOCK }
313		321
314	Creates and returns a new coro. This coro is automcatially being canceled	322	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	323	extension calling this is being unloaded.
316		324
317	=cut	325	=cut
318		326
319	sub coro(&) {	327	sub async_ext(&) {
320	my $cb = shift;	328	my $cb = shift;
321		329
322	my $coro = &cf::async ($cb);	330	my $coro = &Coro::async ($cb);
323		331
324	$coro->on_destroy (sub {	332	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	333	delete $EXT_CORO{$coro+0};
326	});	334	});
327	$EXT_CORO{$coro+0} = $coro;	335	$EXT_CORO{$coro+0} = $coro;
…		…
356	=cut	364	=cut
357		365
358	#############################################################################	366	#############################################################################
359		367
360	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 $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
361		375
362	sub new {	376	sub new {
363	my ($class, $path, $base) = @_;	377	my ($class, $path, $base) = @_;
364		378
365	$path = $path->as_string if ref $path;	379	$path = $path->as_string if ref $path;
…		…
371	# ?random/... random maps	385	# ?random/... random maps
372	# /! non-realised random map exit	386	# /! non-realised random map exit
373	# /... normal maps	387	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)	388	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user	389	# ~user/... per-player map of a specific user
		390
		391	$path =~ s/$PATH_SEP/\//go;
376		392
377	if ($path =~ /^{/) {	393	if ($path =~ /^{/) {
378	# fine as it is	394	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {	395	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
…		…
429	# }	445	# }
430	}	446	}
431		447
432	# escape the /'s in the path	448	# escape the /'s in the path
433	sub _escaped_path {	449	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;	450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
436	$path	451	$path
437	}	452	}
438		453
439	# the original (read-only) location	454	# the original (read-only) location
440	sub load_path {	455	sub load_path {
…		…
928	=cut	943	=cut
929		944
930	sub register_extcmd {	945	sub register_extcmd {
931	my ($name, $cb) = @_;	946	my ($name, $cb) = @_;
932		947
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	948	$EXTCMD{$name} = $cb;
937	}	949	}
938		950
939	cf::player->attach (	951	cf::player->attach (
940	on_command => sub {	952	on_command => sub {
941	my ($pl, $name, $params) = @_;	953	my ($pl, $name, $params) = @_;
…		…
954		966
955	my $msg = eval { from_json $buf };	967	my $msg = eval { from_json $buf };
956		968
957	if (ref $msg) {	969	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	971	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	972	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	973	}
962	}	974	}
963	} else {	975	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		978
967	cf::override;	979	cf::override;
968	},	980	},
969	);	981	);
970		982
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	983	sub load_extension {
978	my ($path) = @_;	984	my ($path) = @_;
979		985
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	987	my $base = $1;
…		…
996		1002
997	eval $source	1003	eval $source
998	or die $@ ? "$path: $@\n"	1004	or die $@ ? "$path: $@\n"
999	: "extension disabled.\n";	1005	: "extension disabled.\n";
1000		1006
1001	push @exts, $pkg;	1007	push @EXTS, $pkg;
1002	$ext_pkg{$base} = $pkg;
1003
1004	# no strict 'refs';
1005	# @{"$pkg\::ISA"} = ext::;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }
1020
1021	# remove commands
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	1008	}
1046		1009
1047	sub load_extensions {	1010	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	1011	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	1012	next unless -r $ext;
…		…
1067	};	1030	};
1068		1031
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070		1033
1071	#############################################################################	1034	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		1035
1095	=head2 CORE EXTENSIONS	1036	=head2 CORE EXTENSIONS
1096		1037
1097	Functions and methods that extend core crossfire objects.	1038	Functions and methods that extend core crossfire objects.
1098		1039
		1040	=cut
		1041
		1042	package cf::player;
		1043
		1044	use Coro::AIO;
		1045
1099	=head3 cf::player	1046	=head3 cf::player
1100		1047
1101	=over 4	1048	=over 4
1102		1049
1103	=item cf::player::exists $login	1050	=item cf::player::find $login
1104		1051
1105	Returns true when the given account exists.	1052	Returns the given player object, loading it if necessary (might block).
1106		1053
1107	=cut	1054	=cut
1108		1055
1109	sub cf::player::exists($) {	1056	sub playerdir($) {
1110	cf::player::find $_[0]	1057	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1112	}	1202	}
1113		1203
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1204	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1205
1116	Sends an ext reply to the player.	1206	Sends an ext reply to the player.
1117		1207
1118	=cut	1208	=cut
1119		1209
1120	sub cf::player::ext_reply($$$%) {	1210	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1211	my ($self, $id, %msg) = @_;
1122		1212
1123	$msg{msgid} = $id;	1213	$msg{msgid} = $id;
1124		1214
1125	$self->send ("ext " . to_json \%msg);	1215	$self->send ("ext " . cf::to_json \%msg);
1126	}	1216	}
		1217
		1218	package cf;
1127		1219
1128	=back	1220	=back
1129		1221
1130		1222
1131	=head3 cf::map	1223	=head3 cf::map
…		…
1137	package cf::map;	1229	package cf::map;
1138		1230
1139	use Fcntl;	1231	use Fcntl;
1140	use Coro::AIO;	1232	use Coro::AIO;
1141		1233
1142	our $MAX_RESET = 7200;	1234	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1235	our $DEFAULT_RESET = 3000;
1144		1236
1145	sub generate_random_map {	1237	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1238	my ($path, $rmp) = @_;
1147		1239
1148	# mit "rum" bekleckern, nicht	1240	# mit "rum" bekleckern, nicht
…		…
1178	or return;	1270	or return;
1179		1271
1180	my $map = cf::map::new	1272	my $map = cf::map::new
1181	or return;	1273	or return;
1182		1274
		1275	# for better error messages only, will be overwritten
		1276	$map->path ($path);
		1277
1183	$map->load_header ($path)	1278	$map->load_header ($path)
1184	or return;	1279	or return;
1185		1280
1186	$map->{load_path} = $path;	1281	$map->{load_path} = $path;
1187		1282
1188	$map	1283	$map
1189	}	1284	}
1190		1285
1191	sub find_map;	1286	sub find;
1192	sub find_map {	1287	sub find {
1193	my ($path, $origin) = @_;	1288	my ($path, $origin) = @_;
1194		1289
1195	#warn "find_map<$path,$origin>\n";#d#	1290	#warn "find<$path,$origin>\n";#d#
1196		1291
1197	$path = new cf::path $path, $origin && $origin->path;	1292	$path = new cf::path $path, $origin && $origin->path;
1198	my $key = $path->as_string;	1293	my $key = $path->as_string;
1199		1294
1200	cf::lock_wait "map_find:$key";	1295	cf::lock_wait "map_find:$key";
…		…
1203	my $guard = cf::lock_acquire "map_find:$key";	1298	my $guard = cf::lock_acquire "map_find:$key";
1204		1299
1205	# do it the slow way	1300	# do it the slow way
1206	my $map = try_load_header $path->save_path;	1301	my $map = try_load_header $path->save_path;
1207		1302
		1303	Coro::cede;
		1304
1208	if ($map) {	1305	if ($map) {
		1306	$map->last_access ((delete $map->{last_access})
		1307	\|\| $cf::RUNTIME); #d#
1209	# safety	1308	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME	1309	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;	1310	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {	1311	} else {
1213	if (my $rmp = $path->random_map_params) {	1312	if (my $rmp = $path->random_map_params) {
…		…
1218		1317
1219	$map or return;	1318	$map or return;
1220		1319
1221	$map->{load_original} = 1;	1320	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;	1321	$map->{instantiate_time} = $cf::RUNTIME;
		1322	$map->last_access ($cf::RUNTIME);
1223	$map->instantiate;	1323	$map->instantiate;
1224		1324
1225	# per-player maps become, after loading, normal maps	1325	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};	1326	$map->per_player (0) if $path->{user_rel};
1227	}	1327	}
1228		1328
1229	$map->path ($key);	1329	$map->path ($key);
1230	$map->{path} = $path;	1330	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1331	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);	1332
		1333	Coro::cede;
1233		1334
1234	if ($map->should_reset) {	1335	if ($map->should_reset) {
1235	$map->reset;	1336	$map->reset;
1236	undef $guard;	1337	undef $guard;
1237	$map = find_map $path	1338	$map = find $path
1238	or return;	1339	or return;
1239	}	1340	}
1240		1341
1241	$cf::MAP{$key} = $map	1342	$cf::MAP{$key} = $map
1242	}	1343	}
…		…
1264	if (aio_open $uniq, O_RDONLY, 0) {	1365	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1366	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1367	$self->load_objects ($uniq, 0);
1267	}	1368	}
1268	}	1369	}
		1370
		1371	Coro::cede;
1269		1372
1270	# now do the right thing for maps	1373	# now do the right thing for maps
1271	$self->link_multipart_objects;	1374	$self->link_multipart_objects;
1272		1375
1273	if ($self->{path}->is_style_map) {	1376	if ($self->{path}->is_style_map) {
…		…
1281	$self->difficulty ($self->estimate_difficulty)	1384	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1385	unless $self->difficulty;
1283	$self->activate;	1386	$self->activate;
1284	}	1387	}
1285		1388
		1389	Coro::cede;
		1390
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1391	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1392	}
1288		1393
1289	sub load_map_sync {	1394	# find and load all maps in the 3x3 area around a map
		1395	sub load_diag {
		1396	my ($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	$neigh->load;
		1415	}
		1416	}
		1417
		1418	sub find_sync {
1290	my ($path, $origin) = @_;	1419	my ($path, $origin) = @_;
1291		1420
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1421	cf::sync_job { find $path, $origin }
		1422	}
1293		1423
1294	cf::sync_job {	1424	sub do_load_sync {
1295	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
1296	or return;	1435	or next;
		1436	my $path = delete $MAP_PREFETCH{$key};
		1437
		1438	my $map = find $path
		1439	or next;
1297	$map->load;	1440	$map->load;
1298	$map	1441	}
		1442	Coro::schedule;
1299	}	1443	}
		1444	};
		1445
		1446	sub find_async {
		1447	my ($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	$MAP_PREFETCHER->ready;
		1458
		1459	()
1300	}	1460	}
1301		1461
1302	sub save {	1462	sub save {
1303	my ($self) = @_;	1463	my ($self) = @_;
1304		1464
		1465	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1466
1305	$self->{last_save} = $cf::RUNTIME;	1467	$self->{last_save} = $cf::RUNTIME;
1306		1468
1307	return unless $self->dirty;	1469	return unless $self->dirty;
1308		1470
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1471	my $save = $self->{path}->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1311		1473
1312	$self->{load_path} = $save;	1474	$self->{load_path} = $save;
1313		1475
1314	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 $self->players;
		1482	};
1315		1483
1316	if ($uniq) {	1484	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1485	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1486	$self->save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1487	} else {
…		…
1322	}	1490	}
1323		1491
1324	sub swap_out {	1492	sub swap_out {
1325	my ($self) = @_;	1493	my ($self) = @_;
1326		1494
		1495	# save first because save cedes
		1496	$self->save;
		1497
		1498	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1499
1327	return if $self->players;	1500	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1501	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1502	return if $self->{deny_save};
1330		1503
1331	$self->save;
1332	$self->clear;	1504	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1505	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1506	}
1335		1507
1336	sub reset_at {	1508	sub reset_at {
…		…
1374	}	1546	}
1375		1547
1376	sub reset {	1548	sub reset {
1377	my ($self) = @_;	1549	my ($self) = @_;
1378		1550
		1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1552
1379	return if $self->players;	1553	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1554	return if $self->{path}{user_rel};#d#
1381		1555
1382	warn "resetting map ", $self->path;#d#	1556	warn "resetting map ", $self->path;#d#
1383		1557
…		…
1402		1576
1403	sub customise_for {	1577	sub customise_for {
1404	my ($map, $ob) = @_;	1578	my ($map, $ob) = @_;
1405		1579
1406	if ($map->per_player) {	1580	if ($map->per_player) {
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1408	}	1582	}
1409		1583
1410	$map	1584	$map
1411	}	1585	}
1412		1586
1413	sub emergency_save {	1587	=item cf::map::unique_maps
1414	local $cf::FREEZE = 1;
1415		1588
1416	warn "enter emergency map save\n";	1589	Returns an arrayref of cf::path's of all shared maps that have
		1590	instantiated unique items. May block.
1417		1591
1418	cf::sync_job {	1592	=cut
1419	warn "begin emergency map save\n";	1593
1420	$_->save for values %cf::MAP;	1594	sub unique_maps() {
		1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1596	or return;
		1597
		1598	my @paths;
		1599
		1600	for (@$files) {
		1601	utf8::decode $_;
		1602	next if /\.pst$/;
		1603	next unless /^$PATH_SEP/o;
		1604
		1605	push @paths, new cf::path $_;
1421	};	1606	}
1422		1607
1423	warn "end emergency map save\n";	1608	\@paths
1424	}	1609	}
1425		1610
1426	package cf;	1611	package cf;
1427		1612
1428	=back	1613	=back
1429		1614
		1615	=head3 cf::object
		1616
		1617	=cut
		1618
		1619	package cf::object;
		1620
		1621	=over 4
		1622
		1623	=item $ob->inv_recursive
		1624
		1625	Returns the inventory of the object _and_ their inventories, recursively.
		1626
		1627	=cut
		1628
		1629	sub inv_recursive_;
		1630	sub inv_recursive_ {
		1631	map { $_, inv_recursive_ $_->inv } @_
		1632	}
		1633
		1634	sub inv_recursive {
		1635	inv_recursive_ inv $_[0]
		1636	}
		1637
		1638	package cf;
		1639
		1640	=back
1430		1641
1431	=head3 cf::object::player	1642	=head3 cf::object::player
1432		1643
1433	=over 4	1644	=over 4
1434		1645
…		…
1509	my $link_pos = delete $self->{_link_pos};	1720	my $link_pos = delete $self->{_link_pos};
1510		1721
1511	unless ($map) {	1722	unless ($map) {
1512	# restore original map position	1723	# restore original map position
1513	($map, $x, $y) = @{ $link_pos \|\| [] };	1724	($map, $x, $y) = @{ $link_pos \|\| [] };
1514	$map = cf::map::find_map $map;	1725	$map = cf::map::find $map;
1515		1726
1516	unless ($map) {	1727	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1728	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1729	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1730	or die "FATAL: cannot load emergency map\n";
1520	}	1731	}
1521	}	1732	}
1522		1733
1523	($x, $y) = (-1, -1)	1734	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1737	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1738	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1739	if $x <=0 && $y <= 0;
1529		1740
1530	$map->load;	1741	$map->load;
		1742	$map->load_diag;
1531		1743
		1744	return unless $self->contr->active;
1532	$self->activate_recursive;	1745	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1746	$self->enter_map ($map, $x, $y);
1534	}	1747	}
1535		1748
1536	cf::player->attach (	1749	cf::player->attach (
…		…
1549		1762
1550	# try to abort aborted map switching on player login :)	1763	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1764	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1765	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1766	$pl->ob->enter_link;
1554	cf::async {	1767	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1768	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1769	# and this sleep increases chances of the player not ending up in scorn
		1770	$pl->ob->reply (undef,
		1771	"There was an internal problem at your last logout, "
		1772	. "the server will try to bring you to your intended destination in a second.",
		1773	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1774	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1775	$pl->ob->leave_link;
1559	};	1776	})->prio (2);
1560	}	1777	}
1561	},	1778	},
1562	);	1779	);
1563		1780
1564	=item $player_object->goto_map ($path, $x, $y)	1781	=item $player_object->goto ($path, $x, $y)
1565		1782
1566	=cut	1783	=cut
1567		1784
1568	sub cf::object::player::goto_map {	1785	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1786	my ($self, $path, $x, $y) = @_;
1570		1787
		1788	$path = new cf::path $path;
		1789
1571	$self->enter_link;	1790	$self->enter_link;
1572		1791
1573	(cf::async {	1792	(async {
1574	$path = new cf::path $path;
1575
1576	my $map = cf::map::find_map $path->as_string;	1793	my $map = cf::map::find $path->as_string;
1577	$map = $map->customise_for ($self) if $map;	1794	$map = $map->customise_for ($self) if $map;
1578		1795
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1796	# warn "entering ", $map->path, " at ($x, $y)\n"
1580	# if $map;	1797	# if $map;
1581		1798
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1583		1800
1584	$self->leave_link ($map, $x, $y);	1801	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1802	})->prio (1);
1586	}	1803	}
1587		1804
…		…
1640		1857
1641	return unless $self->type == cf::PLAYER;	1858	return unless $self->type == cf::PLAYER;
1642		1859
1643	$self->enter_link;	1860	$self->enter_link;
1644		1861
1645	(cf::async {	1862	(async {
		1863	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1864	unless (eval {
1647	prepare_random_map $exit	1865	prepare_random_map $exit
1648	if $exit->slaying eq "/!";	1866	if $exit->slaying eq "/!";
1649		1867
1650	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;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1652		1870
1653	1;	1871	1;
1654	}) {	1872	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1873	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "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. "
1657	. "Please report this to the dungeon master",	1875	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE \| cf::NDI_RED);	1876	cf::NDI_UNIQUE \| cf::NDI_RED);
1659		1877
1660	warn "ERROR in enter_exit: $@";	1878	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1879	$self->leave_link;
1662	}	1880	}
…		…
1713	on_reply => sub {	1931	on_reply => sub {
1714	my ($ns, $msg) = @_;	1932	my ($ns, $msg) = @_;
1715		1933
1716	# this weird shuffling is so that direct followup queries	1934	# this weird shuffling is so that direct followup queries
1717	# get handled first	1935	# get handled first
1718	my $queue = delete $ns->{query_queue};	1936	my $queue = delete $ns->{query_queue}
		1937	or return; # be conservative, not sure how that can happen, but we saw a crash here
1719		1938
1720	(shift @$queue)->[1]->($msg);	1939	(shift @$queue)->[1]->($msg);
1721		1940
1722	push @{ $ns->{query_queue} }, @$queue;	1941	push @{ $ns->{query_queue} }, @$queue;
1723		1942
…		…
1729	}	1948	}
1730	}	1949	}
1731	},	1950	},
1732	);	1951	);
1733		1952
1734	=item $client->coro (\&cb)	1953	=item $client->async (\&cb)
1735		1954
1736	Create a new coroutine, running the specified callback. The coroutine will	1955	Create a new coroutine, running the specified callback. The coroutine will
1737	be automatically cancelled when the client gets destroyed (e.g. on logout,	1956	be automatically cancelled when the client gets destroyed (e.g. on logout,
1738	or loss of connection).	1957	or loss of connection).
1739		1958
1740	=cut	1959	=cut
1741		1960
1742	sub cf::client::coro {	1961	sub cf::client::async {
1743	my ($self, $cb) = @_;	1962	my ($self, $cb) = @_;
1744		1963
1745	my $coro = &cf::async ($cb);	1964	my $coro = &Coro::async ($cb);
1746		1965
1747	$coro->on_destroy (sub {	1966	$coro->on_destroy (sub {
1748	delete $self->{_coro}{$coro+0};	1967	delete $self->{_coro}{$coro+0};
1749	});	1968	});
1750		1969
…		…
1985	open my $fh, "<:utf8", cf::confdir . "/config"	2204	open my $fh, "<:utf8", cf::confdir . "/config"
1986	or return;	2205	or return;
1987		2206
1988	local $/;	2207	local $/;
1989	*CFG = YAML::Syck::Load <$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	}
1990	}	2222	}
1991		2223
1992	sub main {	2224	sub main {
1993	# we must not ever block the main coroutine	2225	# we must not ever block the main coroutine
1994	local $Coro::idle = sub {	2226	local $Coro::idle = sub {
1995	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#
1996	(Coro::unblock_sub {
1997	Event::one_event;	2228	async { Event::one_event };
1998	})->();
1999	};	2229	};
2000		2230
2001	cfg_load;	2231	cfg_load;
2002	db_load;	2232	db_load;
2003	load_extensions;	2233	load_extensions;
2004	Event::loop;	2234	Event::loop;
2005	}	2235	}
2006		2236
2007	#############################################################################	2237	#############################################################################
2008	# 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	$map->save;
		2275	}
		2276	warn "end emergency map save\n";
		2277	};
		2278
		2279	warn "leave emergency perl save\n";
		2280	}
2009		2281
2010	sub reload() {	2282	sub reload() {
2011	# can/must only be called in main	2283	# can/must only be called in main
2012	if ($Coro::current != $Coro::main) {	2284	if ($Coro::current != $Coro::main) {
2013	warn "can only reload from main coroutine\n";	2285	warn "can only reload from main coroutine\n";
2014	return;	2286	return;
2015	}	2287	}
2016		2288
2017	warn "reloading...";	2289	warn "reloading...";
2018		2290
2019	local $FREEZE = 1;	2291	warn "freezing server";
		2292	my $guard = freeze_mainloop;
2020	cf::emergency_save;	2293	cf::emergency_save;
		2294
		2295	warn "sync database to disk";
		2296	cf::db_sync;
		2297	IO::AIO::flush;
2021		2298
2022	eval {	2299	eval {
2023	# 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
2024		2301
2025	# cancel all watchers	2302	warn "cancel all watchers";
2026	for (Event::all_watchers) {	2303	for (Event::all_watchers) {
2027	$_->cancel if $_->data & WF_AUTOCANCEL;	2304	$_->cancel if $_->data & WF_AUTOCANCEL;
2028	}	2305	}
2029		2306
2030	# cancel all extension coros	2307	warn "cancel all extension coros";
2031	$_->cancel for values %EXT_CORO;	2308	$_->cancel for values %EXT_CORO;
2032	%EXT_CORO = ();	2309	%EXT_CORO = ();
2033		2310
		2311	warn "remove commands";
		2312	%COMMAND = ();
		2313
		2314	warn "remove ext commands";
		2315	%EXTCMD = ();
		2316
2034	# unload all extensions	2317	warn "unload/nuke all extensions";
2035	for (@exts) {	2318	for my $pkg (@EXTS) {
2036	warn "unloading <$_>";	2319	warn "unloading <$pkg>";
2037	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: $@";
2038	}	2326	}
2039		2327
		2328	Symbol::delete_package $pkg;
		2329	}
		2330
2040	# unload all modules loaded from $LIBDIR	2331	warn "unload all perl modules loaded from $LIBDIR";
2041	while (my ($k, $v) = each %INC) {	2332	while (my ($k, $v) = each %INC) {
2042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2043		2334
2044	warn "removing <$k>";	2335	warn "removing <$k>";
2045	delete $INC{$k};	2336	delete $INC{$k};
…		…
2052	}	2343	}
2053		2344
2054	Symbol::delete_package $k;	2345	Symbol::delete_package $k;
2055	}	2346	}
2056		2347
2057	# sync database to disk
2058	cf::db_sync;
2059	IO::AIO::flush;
2060
2061	# get rid of safe::, as good as possible	2348	warn "get rid of safe::, as good as possible";
2062	Symbol::delete_package "safe::$_"	2349	Symbol::delete_package "safe::$_"
2063	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);
2064		2351
2065	# remove register_script_function callbacks
2066	# TODO
2067
2068	# unload cf.pm "a bit"	2352	warn "unload cf.pm \"a bit\"";
2069	delete $INC{"cf.pm"};	2353	delete $INC{"cf.pm"};
2070		2354
2071	# don't, removes xs symbols, too,	2355	# don't, removes xs symbols, too,
2072	# and global variables created in xs	2356	# and global variables created in xs
2073	#Symbol::delete_package __PACKAGE__;	2357	#Symbol::delete_package __PACKAGE__;
2074		2358
2075	# reload cf.pm
2076	warn "reloading cf.pm";	2359	warn "reloading cf.pm";
2077	require cf;	2360	require cf;
2078	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2079		2362
2080	# load config and database again	2363	warn "load config and database again";
2081	cf::cfg_load;	2364	cf::cfg_load;
2082	cf::db_load;	2365	cf::db_load;
2083		2366
2084	# load extensions
2085	warn "load extensions";	2367	warn "load extensions";
2086	cf::load_extensions;	2368	cf::load_extensions;
2087		2369
2088	# reattach attachments to objects	2370	warn "reattach attachments to objects/players";
2089	warn "reattach";
2090	_global_reattach;	2371	_global_reattach;
		2372	warn "reattach attachments to maps";
		2373	reattach $_ for values %MAP;
2091	};	2374	};
2092		2375
2093	if ($@) {	2376	if ($@) {
2094	warn $@;	2377	warn $@;
2095	warn "error while reloading, exiting.";	2378	warn "error while reloading, exiting.";
2096	exit 1;	2379	exit 1;
2097	}	2380	}
2098		2381
2099	warn "reloaded successfully";	2382	warn "reloaded";
2100	};	2383	};
2101		2384
2102	#############################################################################	2385	#############################################################################
2103		2386
2104	unless ($LINK_MAP) {	2387	unless ($LINK_MAP) {
…		…
2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2113		2396
2114	# dirty hack because... archetypes are not yet loaded	2397	# dirty hack because... archetypes are not yet loaded
2115	Event->timer (	2398	Event->timer (
2116	after => 2,	2399	after => 10,
2117	cb => sub {	2400	cb => sub {
2118	$_[0]->w->cancel;	2401	$_[0]->w->cancel;
2119		2402
2120	# provide some exits "home"	2403	# provide some exits "home"
2121	my $exit = cf::object::new "exit";	2404	my $exit = cf::object::new "exit";
…		…
2140	$LINK_MAP->{deny_reset} = 1;	2423	$LINK_MAP->{deny_reset} = 1;
2141		2424
2142	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2143	}	2426	}
2144		2427
2145	register "<global>", __PACKAGE__;
2146
2147	register_command "reload" => sub {	2428	register_command "reload" => sub {
2148	my ($who, $arg) = @_;	2429	my ($who, $arg) = @_;
2149		2430
2150	if ($who->flag (FLAG_WIZ)) {	2431	if ($who->flag (FLAG_WIZ)) {
2151	$who->message ("start of reload.");	2432	$who->message ("start of reload.");
…		…
2160	reentrant => 0,	2441	reentrant => 0,
2161	prio => 0,	2442	prio => 0,
2162	at => $NEXT_TICK \|\| $TICK,	2443	at => $NEXT_TICK \|\| $TICK,
2163	data => WF_AUTOCANCEL,	2444	data => WF_AUTOCANCEL,
2164	cb => sub {	2445	cb => sub {
2165	unless ($FREEZE) {
2166	cf::server_tick; # one server iteration	2446	cf::server_tick; # one server iteration
2167	$RUNTIME += $TICK;	2447	$RUNTIME += $TICK;
2168	}
2169
2170	$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;
2171		2452
2172	# 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
2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2174		2455
2175	$TICK_WATCHER->at ($NEXT_TICK);	2456	$TICK_WATCHER->at ($NEXT_TICK);

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.127 by root, Wed Jan 3 00:05:26 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 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC