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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 1.210 by root, Mon Feb 12 01:32:49 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 3.5 ();
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 BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$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		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
180		225
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
		230
		231	=item cf::lock_wait $string
		232
		233	Wait until the given lock is available. See cf::lock_acquire.
		234
		235	=item my $lock = cf::lock_acquire $string
		236
		237	Wait until the given lock is available and then acquires it and returns
		238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		239	for example when the coroutine gets canceled), the lock is automatically
		240	returned.
		241
		242	Lock names should begin with a unique identifier (for example, cf::map::find
		243	uses map_find and cf::map::load uses map_load).
		244
		245	=cut
		246
		247	our %LOCK;
		248
		249	sub lock_wait($) {
		250	my ($key) = @_;
		251
		252	# wait for lock, if any
		253	while ($LOCK{$key}) {
		254	push @{ $LOCK{$key} }, $Coro::current;
		255	Coro::schedule;
		256	}
		257	}
		258
		259	sub lock_acquire($) {
		260	my ($key) = @_;
		261
		262	# wait, to be sure we are not locked
		263	lock_wait $key;
		264
		265	$LOCK{$key} = [];
		266
		267	Coro::guard {
		268	# wake up all waiters, to be on the safe side
		269	$_->ready for @{ delete $LOCK{$key} };
		270	}
		271	}
		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
		281	$TICK_WATCHER->stop;
		282	$guard
		283	}
		284
		285	=item cf::async { BLOCK }
		286
		287	Currently the same as Coro::async_pool, meaning you cannot use
		288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
		290
		291	=cut
		292
		293	BEGIN { *async = \&Coro::async_pool }
185		294
186	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
187		296
188	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	298	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	306	=cut
198		307
199	sub sync_job(&) {	308	sub sync_job(&) {
200	my ($job) = @_;	309	my ($job) = @_;
201		310
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 == $Coro::main) {	311	if ($Coro::current == $Coro::main) {
		312	# this is the main coro, too bad, we have to block
		313	# till the operation succeeds, freezing the server :/
		314
212	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	316	# (but this is cancel-safe)
		317	my $freeze_guard = freeze_mainloop;
		318
		319	my $busy = 1;
		320	my @res;
		321
		322	(async {
		323	@res = eval { $job->() };
		324	warn $@ if $@;
		325	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
		327
215	while ($busy) {	328	while ($busy) {
216	Coro::cede_notself;	329	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	330	}
		331
		332	wantarray ? @res : $res[0]
219	} else {	333	} else {
220	$coro->join;	334	# we are in another coroutine, how wonderful, everything just works
		335
		336	$job->()
221	}	337	}
222
223	wantarray ? @res : $res[0]
224	}	338	}
225		339
226	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
227		341
228	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
230		344
231	=cut	345	=cut
232		346
233	sub coro(&) {	347	sub async_ext(&) {
234	my $cb = shift;	348	my $cb = shift;
235		349
236	my $coro; $coro = async {	350	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		351
243	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
245	});	354	});
246	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
253		362
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	364	or return;
256		365
257	my $value = $cf::RUNTIME;	366	my $value = $cf::RUNTIME + 90 + 10;
		367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	371	and return;
260		372
		373	# always fsync - this file is important
261	aio_fsync $fh	374	aio_fsync $fh
262	and return;	375	and return;
263		376
264	close $fh	377	close $fh
265	or return;	378	or return;
…		…
271	}	384	}
272		385
273	=back	386	=back
274		387
275	=cut	388	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		389
387	#############################################################################	390	#############################################################################
388		391
389	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
390		393
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	520	our @CB_MAP = ();
518		521
519	my %attachment;	522	my %attachment;
520		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
521	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
523		532
524	use sort 'stable';	533	use sort 'stable';
525		534
…		…
696	# object support	705	# object support
697		706
698	sub reattach {	707	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		712
702	my $registry = $obj->registry;	713	my $registry = $obj->registry;
703		714
704	@$registry = ();	715	@$registry = ();
705		716
…		…
752	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
753		764
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	769	close $fh;
759		770
760	if (@$objs) {	771	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	777	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
768	}	779	}
769	} else {	780	} else {
770	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
776	}	787	}
777	} else {	788	} else {
778	aio_unlink $filename;	789	aio_unlink $filename;
779	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
780	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
781	}	798	}
782	}	799	}
783		800
784	sub object_freezer_as_string {	801	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
791		808
792	sub object_thawer_load {	809	sub object_thawer_load {
793	my ($filename) = @_;	810	my ($filename) = @_;
794		811
795	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
796		816
797	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
798	or return;	818	or return;
799		819
800	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	821	(aio_load "$filename.pst", $av) >= 0
802	or return;	822	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	823	$av = eval { (Storable::thaw $av)->{objs} };
804	}	824	}
805		825
		826	warn sprintf "loading %s (%d)\n",
		827	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	828	return ($data, $av);
807	}	829	}
808		830
809	#############################################################################	831	#############################################################################
810	# command handling &c	832	# command handling &c
…		…
835	=cut	857	=cut
836		858
837	sub register_extcmd {	859	sub register_extcmd {
838	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
839		861
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
844	}	863	}
845		864
846	cf::player->attach (	865	cf::player->attach (
847	on_command => sub {	866	on_command => sub {
848	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
861		880
862	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
863		882
864	if (ref $msg) {	883	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	887	}
869	}	888	}
870	} else {	889	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		892
874	cf::override;	893	cf::override;
875	},	894	},
876	);	895	);
877		896
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	897	sub load_extension {
885	my ($path) = @_;	898	my ($path) = @_;
886		899
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	901	my $base = $1;
889	my $pkg = $1;	902	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
892		905
893	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
894		907
895	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
896	or die "$path: $!";	909	or die "$path: $!";
897		910
898	my $source =	911	my $source =
899	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
902	. "\n};\n1";	915	. "\n};\n1";
903		916
904	eval $source	917	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	919	: "extension disabled.\n";
907		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	921	warn $@;
909	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
910		923	exit 1;
911	# no strict 'refs';	924	}
912	# @{"$pkg\::ISA"} = ext::;	925	die $@;
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	# }	926	}
927		927
928	# remove commands	928	push @EXTS, $pkg;
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	}	929	}
953		930
954	sub load_extensions {	931	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	933	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
961	}	938	}
962	}	939	}
963		940
964	#############################################################################	941	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
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		942
1002	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1003		944
1004	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1005		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1006	=head3 cf::player	953	=head3 cf::player
1007		954
1008	=over 4	955	=over 4
1009		956
1010	=item cf::player::exists $login	957	=item cf::player::find $login
1011		958
1012	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1013		960
1014	=cut	961	=cut
1015		962
1016	sub cf::player::exists($) {	963	sub playerdir($) {
1017	cf::player::find $_[0]	964	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	965	. "/"
		966	. cf::playerdir
		967	. "/"
		968	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		969	}
		970
		971	sub path($) {
		972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		973
		974	(playerdir $login) . "/$login.pl"
		975	}
		976
		977	sub find_active($) {
		978	$cf::PLAYER{$_[0]}
		979	and $cf::PLAYER{$_[0]}->active
		980	and $cf::PLAYER{$_[0]}
		981	}
		982
		983	sub exists($) {
		984	my ($login) = @_;
		985
		986	$cf::PLAYER{$login}
		987	or cf::sync_job { !aio_stat path $login }
		988	}
		989
		990	sub find($) {
		991	return $cf::PLAYER{$_[0]} || do {
		992	my $login = $_[0];
		993
		994	my $guard = cf::lock_acquire "user_find:$login";
		995
		996	$cf::PLAYER{$_[0]} || do {
		997	my $pl = load_pl path $login
		998	or return;
		999	$cf::PLAYER{$login} = $pl
		1000	}
		1001	}
		1002	}
		1003
		1004	sub save($) {
		1005	my ($pl) = @_;
		1006
		1007	return if $pl->{deny_save};
		1008
		1009	my $path = path $pl;
		1010	my $guard = cf::lock_acquire "user_save:$path";
		1011
		1012	return if $pl->{deny_save};
		1013
		1014	aio_mkdir playerdir $pl, 0770;
		1015	$pl->{last_save} = $cf::RUNTIME;
		1016
		1017	$pl->save_pl ($path);
		1018	Coro::cede;
		1019	}
		1020
		1021	sub new($) {
		1022	my ($login) = @_;
		1023
		1024	my $self = create;
		1025
		1026	$self->ob->name ($login);
		1027	$self->{deny_save} = 1;
		1028
		1029	$cf::PLAYER{$login} = $self;
		1030
		1031	$self
		1032	}
		1033
		1034	=item $pl->quit_character
		1035
		1036	Nukes the player without looking back. If logged in, the connection will
		1037	be destroyed. May block for a long time.
		1038
		1039	=cut
		1040
		1041	sub quit_character {
		1042	my ($pl) = @_;
		1043
		1044	$pl->{deny_save} = 1;
		1045	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1046
		1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1048	$pl->deactivate;
		1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1050	$pl->ns->destroy if $pl->ns;
		1051
		1052	my $path = playerdir $pl;
		1053	my $temp = "$path~$cf::RUNTIME~deleting~";
		1054	aio_rename $path, $temp;
		1055	delete $cf::PLAYER{$pl->ob->name};
		1056	$pl->destroy;
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item cf::player::list_logins
		1061
		1062	Returns am arrayref of all valid playernames in the system, can take a
		1063	while and may block, so not sync_job-capable, ever.
		1064
		1065	=cut
		1066
		1067	sub list_logins {
		1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1069	or return [];
		1070
		1071	my @logins;
		1072
		1073	for my $login (@$dirs) {
		1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1075	aio_read $fh, 0, 512, my $buf, 0 or next;
		1076	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1077
		1078	utf8::decode $login;
		1079	push @logins, $login;
		1080	}
		1081
		1082	\@logins
		1083	}
		1084
		1085	=item $player->maps
		1086
		1087	Returns an arrayref of map paths that are private for this
		1088	player. May block.
		1089
		1090	=cut
		1091
		1092	sub maps($) {
		1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
		1096
		1097	my $files = aio_readdir playerdir $pl
		1098	or return;
		1099
		1100	my @paths;
		1101
		1102	for (@$files) {
		1103	utf8::decode $_;
		1104	next if /\.(?:pl|pst)$/;
		1105	next unless /^$PATH_SEP/o;
		1106
		1107	push @paths, cf::map::normalise "~$pl/$_";
		1108	}
		1109
		1110	\@paths
1019	}	1111	}
1020		1112
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1114
1023	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1024		1116
1025	=cut	1117	=cut
1026		1118
1027	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1029		1121
1030	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1031		1123
1032	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1033	}	1125	}
		1126
		1127	package cf;
1034		1128
1035	=back	1129	=back
1036		1130
1037		1131
1038	=head3 cf::map	1132	=head3 cf::map
…		…
1044	package cf::map;	1138	package cf::map;
1045		1139
1046	use Fcntl;	1140	use Fcntl;
1047	use Coro::AIO;	1141	use Coro::AIO;
1048		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1049	our $MAX_RESET = 7200;	1147	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1148	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1149
1054	sub generate_random_map {	1150	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1153	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1295	}
1072		1296
1073	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1074	# all maps in C++...	1298	# all maps in C++...
1075	sub change_all_map_light {	1299	sub change_all_map_light {
1076	my ($change) = @_;	1300	my ($change) = @_;
1077		1301
1078	$_->change_map_light ($change) for values %cf::MAP;	1302	$_->change_map_light ($change)
		1303	for grep $_->outdoor, values %cf::MAP;
1079	}	1304	}
1080		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1081	sub try_load_header($) {	1319	sub load_header_from($) {
1082	my ($path) = @_;	1320	my ($self, $path) = @_;
1083		1321
1084	utf8::encode $path;	1322	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1086	or return;	1327	or return;
1087		1328
1088	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1089	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1090		1375
1091	$map->load_header ($path)	1376	1
1092	or return;
1093
1094	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1377	}
1099		1378
		1379	sub find;
1100	sub find_map {	1380	sub find {
1101	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1102		1382
1103	#warn "find_map<$path,$origin>\n";#d#	1383	$path = normalise $path, $origin && $origin->path;
1104		1384
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1385	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1386
1108	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1109	# do it the slow way	1388	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1389	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1390	or return;
1124		1391
1125	$map->{instantiate_time} = $cf::RUNTIME;
1126	$map->instantiate;
1127
1128	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};
1130	}
1131
1132	$map->path ($key);
1133	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1392	$map->{last_save} = $cf::RUNTIME;
1135		1393
1136	$map->reset if $map->should_reset;	1394	$map->load_header
		1395	or return;
1137		1396
		1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
		1400	$map->reset;
		1401	undef $guard;
		1402	return find $path;
		1403	}
		1404
1138	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1139	}	1406	}
1140	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1141		1411
1142	sub load {	1412	sub load {
1143	my ($self) = @_;	1413	my ($self) = @_;
1144		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
		1417	my $path = $self->{path};
		1418	my $guard = cf::lock_acquire "map_load:$path";
		1419
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1421
1147	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1148		1423
1149	my $path = $self->{path};
1150
1151	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1152	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1153	or return;	1429	or return;
1154		1430
		1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1432	if delete $self->{load_original};
		1433
1155	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1435	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1437	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1160	}	1439	}
1161	}	1440	}
		1441
		1442	Coro::cede;
1162		1443
1163	# now do the right thing for maps	1444	# now do the right thing for maps
1164	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1165		1446
1166	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1167	$self->{deny_save} = 1;	1448	$self->decay_objects;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1173	$self->set_darkness_map;	1452	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1176	$self->activate;	1456	$self->activate;
1177	}	1457	}
1178		1458
		1459	$self->post_load;
		1460
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1462	}
1181		1463
1182	sub load_map_sync {	1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
		1495	}
		1496
		1497	sub find_sync {
1183	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1184		1499
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1186		1502
1187	cf::sync_job {	1503	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1189	or return;	1505
		1506	cf::sync_job { $map->load };
		1507	}
		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
1190	$map->load;	1527	$map->load;
1191	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1192	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1193	}	1537	}
1194		1538
1195	sub save {	1539	sub save {
1196	my ($self) = @_;	1540	my ($self) = @_;
1197		1541
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1543
1201	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1202		1545
1203	return unless $self->dirty;	1546	return unless $self->dirty;
1204		1547
		1548	my $save = $self->save_path; utf8::encode $save;
		1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1550
1205	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1206		1552
1207	return if $self->{deny_save};	1553	return if $self->{deny_save};
1208		1554
1209	warn "saving map ", $self->path;	1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
1210		1560
1211	if ($uniq) {	1561	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1564	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	1566	}
1217	}	1567	}
1218		1568
1219	sub swap_out {	1569	sub swap_out {
1220	my ($self) = @_;	1570	my ($self) = @_;
		1571
		1572	# save first because save cedes
		1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1221		1576
1222	return if $self->players;	1577	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1579	return if $self->{deny_save};
1225		1580
1226	$self->save;
1227	$self->clear;	1581	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1582	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1583	}
1230		1584
		1585	sub reset_at {
		1586	my ($self) = @_;
		1587
		1588	# TODO: safety, remove and allow resettable per-player maps
		1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1590	return 1e99 if $self->{deny_reset};
		1591
		1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1594
		1595	$time + $to
		1596	}
		1597
1231	sub should_reset {	1598	sub should_reset {
1232	my ($map) = @_;	1599	my ($self) = @_;
1233		1600
1234	# TODO: safety, remove and allow resettable per-player maps	1601	$self->reset_at <= $cf::RUNTIME
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	}	1602	}
1243		1603
1244	sub reset {	1604	sub reset {
1245	my ($self) = @_;	1605	my ($self) = @_;
1246		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1247	return if $self->players;	1609	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1249		1611
1250	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1251		1613
1252	utf8::encode (my $save = $self->{path}->save_path);	1614	$self->in_memory (cf::MAP_SWAPPED);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1615
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
		1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1255		1627
1256	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1257		1629
		1630	$self->unlink_save;
1258	$self->clear;	1631	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	1632	}
1262		1633
1263	sub customise_for {	1634	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		1635
1266	if ($map->per_player) {	1636	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1637	my ($self) = @_;
1268	}
1269		1638
1270	$map	1639	delete $cf::MAP{$self->path};
1271	}
1272		1640
1273	sub emergency_save {	1641	$self->unlink_save;
1274	local $cf::FREEZE = 1;
1275		1642
1276	warn "enter emergency map save\n";	1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
		1645	$self->{deny_save} = 1;
		1646	$self->reset_timeout (1);
		1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1277		1648
1278	cf::sync_job {	1649	$cf::MAP{$self->path} = $self;
1279	warn "begin emergency map save\n";	1650
1280	$_->save for values %cf::MAP;	1651	$self->reset; # polite request, might not happen
		1652	}
		1653
		1654	=item cf::map::unique_maps
		1655
		1656	Returns an arrayref of paths of all shared maps that have
		1657	instantiated unique items. May block.
		1658
		1659	=cut
		1660
		1661	sub unique_maps() {
		1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
		1664
		1665	my @paths;
		1666
		1667	for (@$files) {
		1668	utf8::decode $_;
		1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1281	};	1673	}
1282		1674
1283	warn "end emergency map save\n";	1675	\@paths
1284	}	1676	}
1285		1677
1286	package cf;	1678	package cf;
1287		1679
1288	=back	1680	=back
1289		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1290		1708
1291	=head3 cf::object::player	1709	=head3 cf::object::player
1292		1710
1293	=over 4	1711	=over 4
1294		1712
…		…
1330	(ref $cf::CFG{"may_$access"}	1748	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1749	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1750	: $cf::CFG{"may_$access"})
1333	}	1751	}
1334		1752
		1753	=item $player_object->enter_link
		1754
		1755	Freezes the player and moves him/her to a special map (C<{link}>).
		1756
		1757	The player should be reasonably safe there for short amounts of time. You
		1758	I<MUST> call C<leave_link> as soon as possible, though.
		1759
		1760	Will never block.
		1761
		1762	=item $player_object->leave_link ($map, $x, $y)
		1763
		1764	Moves the player out of the special C<{link}> map onto the specified
		1765	map. If the map is not valid (or omitted), the player will be moved back
		1766	to the location he/she was before the call to C<enter_link>, or, if that
		1767	fails, to the emergency map position.
		1768
		1769	Might block.
		1770
		1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
		1782
1335	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1784	my ($self) = @_;
1337		1785
1338	return if $self->map == $LINK_MAP;	1786	$self->deactivate_recursive;
1339		1787
		1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1789
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1791	if $self->map;
1342		1792
1343	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1344	$self->deactivate_recursive;
1345	}	1794	}
1346		1795
1347	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1349		1798
1350	my $link_pos = delete $self->{_link_pos};	1799	my $link_pos = delete $self->{_link_pos};
1351		1800
1352	unless ($map) {	1801	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1802	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1803	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1804	$map = cf::map::find $map;
1358		1805
1359	unless ($map) {	1806	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1807	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1808	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1809	or die "FATAL: cannot load emergency map\n";
1363	}	1810	}
1364	}	1811	}
1365		1812
1366	($x, $y) = (-1, -1)	1813	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1372		1819
1373	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1374		1822
		1823	return unless $self->contr->active;
1375	$self->activate_recursive;	1824	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1377	}	1826	}
1378		1827
		1828	cf::player->attach (
		1829	on_logout => sub {
		1830	my ($pl) = @_;
		1831
		1832	# abort map switching before logout
		1833	if ($pl->ob->{_link_pos}) {
		1834	cf::sync_job {
		1835	$pl->ob->leave_link
		1836	};
		1837	}
		1838	},
		1839	on_login => sub {
		1840	my ($pl) = @_;
		1841
		1842	# try to abort aborted map switching on player login :)
		1843	# should happen only on crashes
		1844	if ($pl->ob->{_link_pos}) {
		1845	$pl->ob->enter_link;
		1846	(async {
		1847	# we need this sleep as the login has a concurrent enter_exit running
		1848	# and this sleep increases chances of the player not ending up in scorn
		1849	$pl->ob->reply (undef,
		1850	"There was an internal problem at your last logout, "
		1851	. "the server will try to bring you to your intended destination in a second.",
		1852	cf::NDI_RED);
		1853	Coro::Timer::sleep 1;
		1854	$pl->ob->leave_link;
		1855	})->prio (2);
		1856	}
		1857	},
		1858	);
		1859
1379	=item $player_object->goto_map ($map, $x, $y)	1860	=item $player_object->goto ($path, $x, $y)
1380		1861
1381	=cut	1862	=cut
1382		1863
1383	sub cf::object::player::goto_map {	1864	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1385		1866
1386	$self->enter_link;	1867	$self->enter_link;
1387		1868
1388	(Coro::async {	1869	(async {
1389	$path = new cf::path $path;	1870	my $map = eval {
1390
1391	my $map = cf::map::find_map $path->as_string;	1871	my $map = cf::map::find $path;
1392	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1393
1394	warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1873	$map
		1874	} or
		1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1396		1876
1397	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1878	})->prio (1);
1399	}	1879	}
1400		1880
…		…
1404		1884
1405	sub parse_random_map_params {	1885	sub parse_random_map_params {
1406	my ($spec) = @_;	1886	my ($spec) = @_;
1407		1887
1408	my $rmp = { # defaults	1888	my $rmp = { # defaults
1409	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1410	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1411	};	1893	};
1412		1894
1413	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1414	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1415		1897
…		…
1419	$rmp	1901	$rmp
1420	}	1902	}
1421		1903
1422	sub prepare_random_map {	1904	sub prepare_random_map {
1423	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1424		1908
1425	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1426	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1427	# that depends on the exit object	1911	# that depends on the exit object
1428		1912
1429	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1430		1914
1431	if ($exit->map) {	1915	if ($exit->map) {
1432	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1433	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1434	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1435	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1436	}	1920	}
1437		1921
1438	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1439		1923
1440	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1441	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1442		1927
1443	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1444	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1445		1932
1446	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1447	$exit->msg (undef);	1934	$exit->msg (undef);
1448	}	1935	}
1449	}	1936	}
…		…
1451	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1452	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1453		1940
1454	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
1455		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
		1951
1456	$self->enter_link;	1952	$self->enter_link;
1457		1953
1458	(Coro::async {	1954	(async {
		1955	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1956	unless (eval {
1460		1957	$self->goto ($slaying, $hp, $sp);
1461	prepare_random_map $exit
1462	if $exit->slaying eq "/!";
1463
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1466		1958
1467	1;	1959	1;
1468	}) {	1960	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1471	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1473		1965
1474	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	1967	$self->leave_link;
1476	}	1968	}
…		…
1527	on_reply => sub {	2019	on_reply => sub {
1528	my ($ns, $msg) = @_;	2020	my ($ns, $msg) = @_;
1529		2021
1530	# this weird shuffling is so that direct followup queries	2022	# this weird shuffling is so that direct followup queries
1531	# get handled first	2023	# get handled first
1532	my $queue = delete $ns->{query_queue};	2024	my $queue = delete $ns->{query_queue}
		2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		2026
1534	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1535		2029
1536	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1537		2031
1538	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1539	if (@$queue) {	2033	if (@$queue) {
…		…
1543	}	2037	}
1544	}	2038	}
1545	},	2039	},
1546	);	2040	);
1547		2041
1548	=item $client->coro (\&cb)	2042	=item $client->async (\&cb)
1549		2043
1550	Create a new coroutine, running the specified callback. The coroutine will	2044	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	2045	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	2046	or loss of connection).
1553		2047
1554	=cut	2048	=cut
1555		2049
1556	sub cf::client::coro {	2050	sub cf::client::async {
1557	my ($self, $cb) = @_;	2051	my ($self, $cb) = @_;
1558		2052
1559	my $coro; $coro = async {	2053	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		2054
1566	$coro->on_destroy (sub {	2055	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	2056	delete $self->{_coro}{$coro+0};
1568	});	2057	});
1569		2058
…		…
1705	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
1706	using it, it should be unique.	2195	using it, it should be unique.
1707		2196
1708	=over 4	2197	=over 4
1709		2198
1710	=item $hashref = cf::db_get $family
1711
1712	Return a hashref for use by the extension C<$family>, which can be
1713	modified. After modifications, you have to call C<cf::db_dirty> or
1714	C<cf::db_sync>.
1715
1716	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
1717		2200
1718	Returns a single value from the database	2201	Returns a single value from the database.
1719
1720	=item cf::db_put $family => $hashref
1721
1722	Stores the given family hashref into the database. Updates are delayed, if
1723	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1724		2202
1725	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1726		2204
1727	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
1728	want the data to be synced to disk immediately, use C<cf::db_sync>.
1729
1730	=item cf::db_dirty
1731
1732	Marks the database as dirty, to be updated at a later time.
1733
1734	=item cf::db_sync
1735
1736	Immediately write the database to disk I<if it is dirty>.
1737		2206
1738	=cut	2207	=cut
1739		2208
1740	our $DB;	2209	our $DB;
1741		2210
1742	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
1743	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
1744		2230
1745	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1746	warn "loading database $path\n";#d# remove later	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1747	$DB = stat $path ? Storable::retrieve $path : { };	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
1748	}	2234	BDB::db_env_txn_checkpoint $DB_ENV;
1749		2235
1750	my $pid;	2236	unlink $path;
1751
1752	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;
1759	cf::_exit 0 if defined $pid;
1760	}	2237	};
1761	}
1762
1763	my $dirty;
1764
1765	sub db_sync() {
1766	db_save if $dirty;
1767	undef $dirty;
1768	}
1769
1770	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1771	db_sync;
1772	});
1773
1774	sub db_dirty() {
1775	$dirty = 1;
1776	$idle->start;
1777	}
1778
1779	sub db_get($;$) {
1780	@_ >= 2
1781	? $DB->{$_[0]}{$_[1]}
1782	: ($DB->{$_[0]} ||= { })
1783	}
1784
1785	sub db_put($$;$) {
1786	if (@_ >= 3) {
1787	$DB->{$_[0]}{$_[1]} = $_[2];
1788	} else {
1789	$DB->{$_[0]} = $_[1];
1790	}
1791	db_dirty;
1792	}
1793
1794	cf::global->attach (
1795	prio => 10000,
1796	on_cleanup => sub {
1797	db_sync;
1798	},	2238	}
1799	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1800	}	2256	}
1801		2257
1802	#############################################################################	2258	#############################################################################
1803	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
1804		2265
1805	sub cfg_load {	2266	sub cfg_load {
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2268	or return;
1808		2269
1809	local $/;	2270	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2271	*CFG = YAML::Syck::Load <$fh>;
		2272
		2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2274
		2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2277
		2278	if (exists $CFG{mlockall}) {
		2279	eval {
		2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2281	and die "WARNING: m(un)lockall failed: $!\n";
		2282	};
		2283	warn $@ if $@;
		2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
1811	}	2289	}
1812		2290
1813	sub main {	2291	sub main {
1814	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {	2295	(async {
1818	Event::one_event;	2296	Event::one_event;
1819	})->();	2297	})->prio (Coro::PRIO_MAX);
1820	};	2298	};
1821		2299
1822	cfg_load;	2300	cfg_load;
1823	db_load;	2301	db_init;
1824	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
1825	Event::loop;	2305	Event::loop;
1826	}	2306	}
1827		2307
1828	#############################################################################	2308	#############################################################################
1829	# initialisation	2309	# initialisation and cleanup
1830		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
		2358
1831	sub perl_reload() {	2359	sub reload() {
1832	# can/must only be called in main	2360	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
1835	return;	2363	return;
1836	}	2364	}
1837		2365
1838	warn "reloading...";	2366	warn "reloading...";
1839		2367
1840	local $FREEZE = 1;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
1841	cf::emergency_save;	2371	cf::emergency_save;
1842		2372
1843	eval {	2373	eval {
1844	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
1845		2375
1846	# cancel all watchers	2376	warn "cancelling all WF_AUTOCANCEL watchers";
1847	for (Event::all_watchers) {	2377	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2378	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2379	}
1850		2380
		2381	warn "syncing database to disk";
		2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	BDB::flush;
		2387	IO::AIO::flush;
		2388	Coro::cede;
		2389	last unless IO::AIO::nreqs || BDB::nreqs;
		2390	warn "iterate...";
		2391	}
		2392
1851	# cancel all extension coros	2393	warn "cancelling all extension coros";
1852	$_->cancel for values %EXT_CORO;	2394	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2395	%EXT_CORO = ();
1854		2396
1855	# unload all extensions	2397	warn "removing commands";
1856	for (@exts) {	2398	%COMMAND = ();
		2399
		2400	warn "removing ext commands";
		2401	%EXTCMD = ();
		2402
		2403	warn "unloading/nuking all extensions";
		2404	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2405	warn "... unloading $pkg";
1858	unload_extension $_;	2406
		2407	if (my $cb = $pkg->can ("unload")) {
		2408	eval {
		2409	$cb->($pkg);
		2410	1
		2411	} or warn "$pkg unloaded, but with errors: $@";
1859	}	2412	}
1860		2413
		2414	warn "... nuking $pkg";
		2415	Symbol::delete_package $pkg;
		2416	}
		2417
1861	# unload all modules loaded from $LIBDIR	2418	warn "unloading all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2419	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2421
1865	warn "removing <$k>";	2422	warn "... unloading $k";
1866	delete $INC{$k};	2423	delete $INC{$k};
1867		2424
1868	$k =~ s/\.pm$//;	2425	$k =~ s/\.pm$//;
1869	$k =~ s/\//::/g;	2426	$k =~ s/\//::/g;
1870		2427
…		…
1873	}	2430	}
1874		2431
1875	Symbol::delete_package $k;	2432	Symbol::delete_package $k;
1876	}	2433	}
1877		2434
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2435	warn "getting rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2436	Symbol::delete_package "safe::$_"
1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1885		2438
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2439	warn "unloading cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2440	delete $INC{"cf.pm"};
1891		2441
1892	# don't, removes xs symbols, too,	2442	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2443	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2444	#Symbol::delete_package __PACKAGE__;
1895		2445
1896	# reload cf.pm	2446	warn "unload completed, starting to reload now";
		2447
1897	warn "reloading cf.pm";	2448	warn "reloading cf.pm";
1898	require cf;	2449	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2451
1901	# load config and database again	2452	warn "loading config and database again";
1902	cf::cfg_load;	2453	cf::cfg_load;
1903	cf::db_load;
1904		2454
1905	# load extensions
1906	warn "load extensions";	2455	warn "loading extensions";
1907	cf::load_extensions;	2456	cf::load_extensions;
1908		2457
1909	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
1910	warn "reattach";
1911	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "loading reloadable resources";
		2464	load_resources;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
1912	};	2469	};
1913		2470
1914	if ($@) {	2471	if ($@) {
1915	warn $@;	2472	warn $@;
1916	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
1917	exit 1;	2474	exit 1;
1918	}	2475	}
1919		2476
1920	warn "reloaded successfully";	2477	warn "reloaded";
1921	};	2478	};
1922		2479
1923	#############################################################################	2480	our $RELOAD_WATCHER; # used only during reload
1924		2481
1925	unless ($LINK_MAP) {
1926	$LINK_MAP = cf::map::new;
1927
1928	$LINK_MAP->width (41);
1929	$LINK_MAP->height (41);
1930	$LINK_MAP->alloc;
1931	$LINK_MAP->path ("{link}");
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934
1935	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (
1937	after => 2,
1938	cb => sub {
1939	$_[0]->w->cancel;
1940
1941	# provide some exits "home"
1942	my $exit = cf::object::new "exit";
1943
1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1947
1948	$LINK_MAP->insert ($exit->clone, 19, 19);
1949	$LINK_MAP->insert ($exit->clone, 19, 20);
1950	$LINK_MAP->insert ($exit->clone, 19, 21);
1951	$LINK_MAP->insert ($exit->clone, 20, 19);
1952	$LINK_MAP->insert ($exit->clone, 20, 21);
1953	$LINK_MAP->insert ($exit->clone, 21, 19);
1954	$LINK_MAP->insert ($exit->clone, 21, 20);
1955	$LINK_MAP->insert ($exit->clone, 21, 21);
1956
1957	$exit->destroy;
1958	});
1959
1960	$LINK_MAP->{deny_save} = 1;
1961	$LINK_MAP->{deny_reset} = 1;
1962
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}
1965
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2482	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
1970		2484
1971	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");
1973	perl_reload;
1974	$who->message ("end of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
		2496	reload;
		2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
1975	}	2500	}
1976	};	2501	};
1977		2502
1978	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
1979		2506
1980	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
1981	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
1982	prio => 0,	2510	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
1985	cb => sub {	2513	cb => sub {
1986	unless ($FREEZE) {	2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
1987	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
1992		2534
1993	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2537
1996	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
1997	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
1998	},	2540	},
1999	);	2541	);
2000		2542
		2543	{
		2544	BDB::max_poll_time $TICK * 0.1;
		2545	$BDB_POLL_WATCHER = Event->io (
		2546	reentrant => 0,
		2547	fd => BDB::poll_fileno,
		2548	poll => 'r',
		2549	prio => 0,
		2550	data => WF_AUTOCANCEL,
		2551	cb => \&BDB::poll_cb,
		2552	);
		2553	BDB::min_parallel 8;
		2554
		2555	BDB::set_sync_prepare {
		2556	my $status;
		2557	my $current = $Coro::current;
		2558	(
		2559	sub {
		2560	$status = $!;
		2561	$current->ready; undef $current;
		2562	},
		2563	sub {
		2564	Coro::schedule while defined $current;
		2565	$! = $status;
		2566	},
		2567	)
		2568	};
		2569
		2570	unless ($DB_ENV) {
		2571	$DB_ENV = BDB::db_env_create;
		2572
		2573	cf::sync_job {
		2574	eval {
		2575	BDB::db_env_open
		2576	$DB_ENV,
		2577	$BDB_ENV_DIR,
		2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2580	0666;
		2581
		2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2583
		2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2585	$DB_ENV->set_lk_detect;
		2586	};
		2587
		2588	cf::cleanup "db_env_open(db): $@" if $@;
		2589	};
		2590	}
		2591	}
		2592
		2593	{
		2594	IO::AIO::min_parallel 8;
		2595
		2596	undef $Coro::AIO::WATCHER;
2001	IO::AIO::max_poll_time $TICK * 0.2;	2597	IO::AIO::max_poll_time $TICK * 0.1;
2002		2598	$AIO_POLL_WATCHER = Event->io (
2003	Event->io (	2599	reentrant => 0,
2004	fd => IO::AIO::poll_fileno,	2600	fd => IO::AIO::poll_fileno,
2005	poll => 'r',	2601	poll => 'r',
2006	prio => 5,	2602	prio => 6,
2007	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2008	cb => \&IO::AIO::poll_cb,	2604	cb => \&IO::AIO::poll_cb,
2009	);	2605	);
		2606	}
2010		2607
2011	Event->timer (	2608	$WRITE_RUNTIME_WATCHER = Event->timer (
		2609	reentrant => 0,
2012	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2013	after => 0,	2611	after => 1,
2014	interval => 10,	2612	interval => 10,
2015	cb => sub {	2613	prio => 6, # keep it lowest so it acts like a watchdog
2016	(Coro::unblock_sub {	2614	cb => Coro::unblock_sub {
2017	write_runtime	2615	write_runtime
2018	or warn "ERROR: unable to write runtime file: $!";	2616	or warn "ERROR: unable to write runtime file: $!";
2019	})->();
2020	},	2617	},
2021	);	2618	);
2022		2619
		2620	END { cf::emergency_save }
		2621
2023	1	2622	1
2024		2623

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