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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 1.214 by root, Wed Feb 14 00:40:05 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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written
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	};
		279	$TICK_WATCHER->stop;
		280	$guard
		281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
185		292
186	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
187		294
188	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	304	=cut
198		305
199	sub sync_job(&) {	306	sub sync_job(&) {
200	my ($job) = @_;	307	my ($job) = @_;
201		308
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 == $Coro::main) {	309	if ($Coro::current == $Coro::main) {
		310	# this is the main coro, too bad, we have to block
		311	# till the operation succeeds, freezing the server :/
		312
212	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	314	# (but this is cancel-safe)
		315	my $freeze_guard = freeze_mainloop;
		316
		317	my $busy = 1;
		318	my @res;
		319
		320	(async {
		321	@res = eval { $job->() };
		322	warn $@ if $@;
		323	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
		325
215	while ($busy) {	326	while ($busy) {
216	Coro::cede_notself;	327	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	328	}
		329
		330	wantarray ? @res : $res[0]
219	} else {	331	} else {
220	$coro->join;	332	# we are in another coroutine, how wonderful, everything just works
		333
		334	$job->()
221	}	335	}
222
223	wantarray ? @res : $res[0]
224	}	336	}
225		337
226	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
227		339
228	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
230		342
231	=cut	343	=cut
232		344
233	sub coro(&) {	345	sub async_ext(&) {
234	my $cb = shift;	346	my $cb = shift;
235		347
236	my $coro; $coro = async {	348	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		349
243	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
245	});	352	});
246	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
253		360
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	362	or return;
256		363
257	my $value = $cf::RUNTIME;	364	my $value = $cf::RUNTIME + 90 + 10;
		365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	369	and return;
260		370
		371	# always fsync - this file is important
261	aio_fsync $fh	372	aio_fsync $fh
262	and return;	373	and return;
263		374
264	close $fh	375	close $fh
265	or return;	376	or return;
…		…
271	}	382	}
272		383
273	=back	384	=back
274		385
275	=cut	386	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($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		387
387	#############################################################################	388	#############################################################################
388		389
389	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
390		391
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	518	our @CB_MAP = ();
518		519
519	my %attachment;	520	my %attachment;
520		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
521	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
523		530
524	use sort 'stable';	531	use sort 'stable';
525		532
…		…
696	# object support	703	# object support
697		704
698	sub reattach {	705	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		710
702	my $registry = $obj->registry;	711	my $registry = $obj->registry;
703		712
704	@$registry = ();	713	@$registry = ();
705		714
…		…
752	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
753		762
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	767	close $fh;
759		768
760	if (@$objs) {	769	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	775	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
768	}	777	}
769	} else {	778	} else {
770	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
776	}	785	}
777	} else {	786	} else {
778	aio_unlink $filename;	787	aio_unlink $filename;
779	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
780	}	789	}
		790
		791	#d##TODO# nuke non .map-files if exist
		792	if ($filename =~ s/\.map$//) {
		793	aio_unlink $filename;
		794	aio_unlink "$filename.pst";
		795	}
781	}	796	}
782	}	797	}
783		798
784	sub object_freezer_as_string {	799	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
791		806
792	sub object_thawer_load {	807	sub object_thawer_load {
793	my ($filename) = @_;	808	my ($filename) = @_;
794		809
795	my ($data, $av);	810	my ($data, $av);
		811
		812	#d#TODO remove .map if file does not exist
		813	aio_stat $filename and $filename =~ s/\.map$//;
796		814
797	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
798	or return;	816	or return;
799		817
800	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	819	(aio_load "$filename.pst", $av) >= 0
802	or return;	820	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	821	$av = eval { (Storable::thaw $av)->{objs} };
804	}	822	}
805		823
		824	warn sprintf "loading %s (%d)\n",
		825	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	826	return ($data, $av);
807	}	827	}
808		828
809	#############################################################################	829	#############################################################################
810	# command handling &c	830	# command handling &c
…		…
835	=cut	855	=cut
836		856
837	sub register_extcmd {	857	sub register_extcmd {
838	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
839		859
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
844	}	861	}
845		862
846	cf::player->attach (	863	cf::player->attach (
847	on_command => sub {	864	on_command => sub {
848	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
861		878
862	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
863		880
864	if (ref $msg) {	881	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	885	}
869	}	886	}
870	} else {	887	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		890
874	cf::override;	891	cf::override;
875	},	892	},
876	);	893	);
877		894
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	895	sub load_extension {
885	my ($path) = @_;	896	my ($path) = @_;
886		897
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	899	my $base = $1;
889	my $pkg = $1;	900	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
892		903
893	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
894		905
895	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
896	or die "$path: $!";	907	or die "$path: $!";
897		908
898	my $source =	909	my $source =
899	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
902	. "\n};\n1";	913	. "\n};\n1";
903		914
904	eval $source	915	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	917	: "extension disabled.\n";
907		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	919	warn $@;
909	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
910		921	exit 1;
911	# no strict 'refs';	922	}
912	# @{"$pkg\::ISA"} = ext::;	923	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	# }	924	}
927		925
928	# remove commands	926	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	}	927	}
953		928
954	sub load_extensions {	929	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	931	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
961	}	936	}
962	}	937	}
963		938
964	#############################################################################	939	#############################################################################
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		940
1002	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1003		942
1004	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1005		944
		945	=cut
		946
		947	package cf::player;
		948
		949	use Coro::AIO;
		950
1006	=head3 cf::player	951	=head3 cf::player
1007		952
1008	=over 4	953	=over 4
1009		954
1010	=item cf::player::exists $login	955	=item cf::player::find $login
1011		956
1012	Returns true when the given account exists.	957	Returns the given player object, loading it if necessary (might block).
1013		958
1014	=cut	959	=cut
1015		960
1016	sub cf::player::exists($) {	961	sub playerdir($) {
1017	cf::player::find $_[0]	962	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	963	. "/"
		964	. cf::playerdir
		965	. "/"
		966	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		967	}
		968
		969	sub path($) {
		970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		971
		972	(playerdir $login) . "/$login.pl"
		973	}
		974
		975	sub find_active($) {
		976	$cf::PLAYER{$_[0]}
		977	and $cf::PLAYER{$_[0]}->active
		978	and $cf::PLAYER{$_[0]}
		979	}
		980
		981	sub exists($) {
		982	my ($login) = @_;
		983
		984	$cf::PLAYER{$login}
		985	or cf::sync_job { !aio_stat path $login }
		986	}
		987
		988	sub find($) {
		989	return $cf::PLAYER{$_[0]} || do {
		990	my $login = $_[0];
		991
		992	my $guard = cf::lock_acquire "user_find:$login";
		993
		994	$cf::PLAYER{$_[0]} || do {
		995	my $pl = load_pl path $login
		996	or return;
		997	$cf::PLAYER{$login} = $pl
		998	}
		999	}
		1000	}
		1001
		1002	sub save($) {
		1003	my ($pl) = @_;
		1004
		1005	return if $pl->{deny_save};
		1006
		1007	my $path = path $pl;
		1008	my $guard = cf::lock_acquire "user_save:$path";
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	aio_mkdir playerdir $pl, 0770;
		1013	$pl->{last_save} = $cf::RUNTIME;
		1014
		1015	$pl->save_pl ($path);
		1016	Coro::cede;
		1017	}
		1018
		1019	sub new($) {
		1020	my ($login) = @_;
		1021
		1022	my $self = create;
		1023
		1024	$self->ob->name ($login);
		1025	$self->{deny_save} = 1;
		1026
		1027	$cf::PLAYER{$login} = $self;
		1028
		1029	$self
		1030	}
		1031
		1032	=item $pl->quit_character
		1033
		1034	Nukes the player without looking back. If logged in, the connection will
		1035	be destroyed. May block for a long time.
		1036
		1037	=cut
		1038
		1039	sub quit_character {
		1040	my ($pl) = @_;
		1041
		1042	$pl->{deny_save} = 1;
		1043	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1044
		1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1046	$pl->deactivate;
		1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1048	$pl->ns->destroy if $pl->ns;
		1049
		1050	my $path = playerdir $pl;
		1051	my $temp = "$path~$cf::RUNTIME~deleting~";
		1052	aio_rename $path, $temp;
		1053	delete $cf::PLAYER{$pl->ob->name};
		1054	$pl->destroy;
		1055	IO::AIO::aio_rmtree $temp;
		1056	}
		1057
		1058	=item cf::player::list_logins
		1059
		1060	Returns am arrayref of all valid playernames in the system, can take a
		1061	while and may block, so not sync_job-capable, ever.
		1062
		1063	=cut
		1064
		1065	sub list_logins {
		1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1067	or return [];
		1068
		1069	my @logins;
		1070
		1071	for my $login (@$dirs) {
		1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1073	aio_read $fh, 0, 512, my $buf, 0 or next;
		1074	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1075
		1076	utf8::decode $login;
		1077	push @logins, $login;
		1078	}
		1079
		1080	\@logins
		1081	}
		1082
		1083	=item $player->maps
		1084
		1085	Returns an arrayref of map paths that are private for this
		1086	player. May block.
		1087
		1088	=cut
		1089
		1090	sub maps($) {
		1091	my ($pl) = @_;
		1092
		1093	$pl = ref $pl ? $pl->ob->name : $pl;
		1094
		1095	my $files = aio_readdir playerdir $pl
		1096	or return;
		1097
		1098	my @paths;
		1099
		1100	for (@$files) {
		1101	utf8::decode $_;
		1102	next if /\.(?:pl|pst)$/;
		1103	next unless /^$PATH_SEP/o;
		1104
		1105	push @paths, cf::map::normalise "~$pl/$_";
		1106	}
		1107
		1108	\@paths
1019	}	1109	}
1020		1110
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1111	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1112
1023	Sends an ext reply to the player.	1113	Sends an ext reply to the player.
1024		1114
1025	=cut	1115	=cut
1026		1116
1027	sub cf::player::ext_reply($$$%) {	1117	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1118	my ($self, $id, %msg) = @_;
1029		1119
1030	$msg{msgid} = $id;	1120	$msg{msgid} = $id;
1031		1121
1032	$self->send ("ext " . to_json \%msg);	1122	$self->send ("ext " . cf::to_json \%msg);
1033	}	1123	}
		1124
		1125	package cf;
1034		1126
1035	=back	1127	=back
1036		1128
1037		1129
1038	=head3 cf::map	1130	=head3 cf::map
…		…
1044	package cf::map;	1136	package cf::map;
1045		1137
1046	use Fcntl;	1138	use Fcntl;
1047	use Coro::AIO;	1139	use Coro::AIO;
1048		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1049	our $MAX_RESET = 7200;	1145	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1146	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1147
1054	sub generate_random_map {	1148	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1151	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1162	(cf::region::find $rmp->{region}), $rmp->{custom}
		1163	)
		1164	}
		1165
		1166	=item cf::map->register ($regex, $prio)
		1167
		1168	Register a handler for the map path matching the given regex at the
		1169	givne priority (higher is better, built-in handlers have priority 0, the
		1170	default).
		1171
		1172	=cut
		1173
		1174	sub register {
		1175	my (undef, $regex, $prio) = @_;
		1176	my $pkg = caller;
		1177
		1178	no strict;
		1179	push @{"$pkg\::ISA"}, __PACKAGE__;
		1180
		1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1182	}
		1183
		1184	# also paths starting with '/'
		1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1186
		1187	sub thawer_merge {
		1188	my ($self, $merge) = @_;
		1189
		1190	# we have to keep some variables in memory intact
		1191	local $self->{path};
		1192	local $self->{load_path};
		1193	local $self->{deny_save};
		1194	local $self->{deny_reset};
		1195
		1196	$self->SUPER::thawer_merge ($merge);
		1197	}
		1198
		1199	sub normalise {
		1200	my ($path, $base) = @_;
		1201
		1202	$path = "$path"; # make sure its a string
		1203
		1204	$path =~ s/\.map$//;
		1205
		1206	# map plan:
		1207	#
		1208	# /! non-realised random map exit (special hack!)
		1209	# {... are special paths that are not being touched
		1210	# ?xxx/... are special absolute paths
		1211	# ?random/... random maps
		1212	# /... normal maps
		1213	# ~user/... per-player map of a specific user
		1214
		1215	$path =~ s/$PATH_SEP/\//go;
		1216
		1217	# treat it as relative path if it starts with
		1218	# something that looks reasonable
		1219	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1220	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1221
		1222	$base =~ s{[^/]+/?$}{};
		1223	$path = "$base/$path";
		1224	}
		1225
		1226	for ($path) {
		1227	redo if s{//}{/};
		1228	redo if s{/\.?/}{/};
		1229	redo if s{/[^/]+/\.\./}{/};
		1230	}
		1231
		1232	$path
		1233	}
		1234
		1235	sub new_from_path {
		1236	my (undef, $path, $base) = @_;
		1237
		1238	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1239
		1240	$path = normalise $path, $base;
		1241
		1242	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1243	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1244	my $self = bless cf::map::new, $pkg;
		1245	$self->{path} = $path; $self->path ($path);
		1246	$self->init; # pass $1 etc.
		1247	return $self;
		1248	}
		1249	}
		1250
		1251	Carp::carp "unable to resolve path '$path' (base '$base').";
		1252	()
		1253	}
		1254
		1255	sub init {
		1256	my ($self) = @_;
		1257
		1258	$self
		1259	}
		1260
		1261	sub as_string {
		1262	my ($self) = @_;
		1263
		1264	"$self->{path}"
		1265	}
		1266
		1267	# the displayed name, this is a one way mapping
		1268	sub visible_name {
		1269	&as_string
		1270	}
		1271
		1272	# the original (read-only) location
		1273	sub load_path {
		1274	my ($self) = @_;
		1275
		1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1277	}
		1278
		1279	# the temporary/swap location
		1280	sub save_path {
		1281	my ($self) = @_;
		1282
		1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1285	}
		1286
		1287	# the unique path, undef == no special unique path
		1288	sub uniq_path {
		1289	my ($self) = @_;
		1290
		1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1293	}
1072		1294
1073	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1074	# all maps in C++...	1296	# all maps in C++...
1075	sub change_all_map_light {	1297	sub change_all_map_light {
1076	my ($change) = @_;	1298	my ($change) = @_;
1077		1299
1078	$_->change_map_light ($change) for values %cf::MAP;	1300	$_->change_map_light ($change)
		1301	for grep $_->outdoor, values %cf::MAP;
1079	}	1302	}
1080		1303
		1304	sub unlink_save {
		1305	my ($self) = @_;
		1306
		1307	utf8::encode (my $save = $self->save_path);
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1310
		1311	#d#TODO remove .map and also nuke
		1312	$save =~ s/\.map// or return;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1315	}
		1316
1081	sub try_load_header($) {	1317	sub load_header_from($) {
1082	my ($path) = @_;	1318	my ($self, $path) = @_;
1083		1319
1084	utf8::encode $path;	1320	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1086	or return;	1325	or return;
1087		1326
1088	my $map = cf::map::new	1327	$self->{load_path} = $path;
		1328
		1329	1
		1330	}
		1331
		1332	sub load_header_orig {
		1333	my ($self) = @_;
		1334
		1335	$self->load_header_from ($self->load_path)
		1336	}
		1337
		1338	sub load_header_temp {
		1339	my ($self) = @_;
		1340
		1341	$self->load_header_from ($self->save_path)
		1342	}
		1343
		1344	sub prepare_temp {
		1345	my ($self) = @_;
		1346
		1347	$self->last_access ((delete $self->{last_access})
		1348	|| $cf::RUNTIME); #d#
		1349	# safety
		1350	$self->{instantiate_time} = $cf::RUNTIME
		1351	if $self->{instantiate_time} > $cf::RUNTIME;
		1352	}
		1353
		1354	sub prepare_orig {
		1355	my ($self) = @_;
		1356
		1357	$self->{load_original} = 1;
		1358	$self->{instantiate_time} = $cf::RUNTIME;
		1359	$self->last_access ($cf::RUNTIME);
		1360	$self->instantiate;
		1361	}
		1362
		1363	sub load_header {
		1364	my ($self) = @_;
		1365
		1366	if ($self->load_header_temp) {
		1367	$self->prepare_temp;
		1368	} else {
		1369	$self->load_header_orig
1089	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1090		1373
1091	$map->load_header ($path)	1374	1
1092	or return;
1093
1094	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1375	}
1099		1376
		1377	sub find;
1100	sub find_map {	1378	sub find {
1101	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1102		1380
1103	#warn "find_map<$path,$origin>\n";#d#	1381	$path = normalise $path, $origin && $origin->path;
1104		1382
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1383	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1384
1108	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1109	# do it the slow way	1386	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1387	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;	1388	or return;
1124		1389
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);	1390	$map->{last_save} = $cf::RUNTIME;
1135		1391
1136	$map->reset if $map->should_reset;	1392	$map->load_header
		1393	or return;
1137		1394
		1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1396	# doing this can freeze the server in a sync job, obviously
		1397	#$cf::WAIT_FOR_TICK->wait;
		1398	$map->reset;
		1399	undef $guard;
		1400	return find $path;
		1401	}
		1402
1138	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1139	}	1404	}
1140	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1141		1409
1142	sub load {	1410	sub load {
1143	my ($self) = @_;	1411	my ($self) = @_;
1144		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
		1415	my $path = $self->{path};
		1416	my $guard = cf::lock_acquire "map_load:$path";
		1417
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1419
1147	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1148		1421
1149	my $path = $self->{path};
1150
1151	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1152	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1153	or return;	1427	or return;
1154		1428
		1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1430	if delete $self->{load_original};
		1431
1155	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1433	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1435	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1160	}	1437	}
1161	}	1438	}
		1439
		1440	Coro::cede;
1162		1441
1163	# now do the right thing for maps	1442	# now do the right thing for maps
1164	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1165		1444
1166	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1167	$self->{deny_save} = 1;	1446	$self->decay_objects;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1173	$self->set_darkness_map;	1450	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1176	$self->activate;	1454	$self->activate;
1177	}	1455	}
1178		1456
		1457	$self->post_load;
		1458
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1459	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1460	}
1181		1461
1182	sub load_map_sync {	1462	sub customise_for {
		1463	my ($self, $ob) = @_;
		1464
		1465	return find "~" . $ob->name . "/" . $self->{path}
		1466	if $self->per_player;
		1467
		1468	$self
		1469	}
		1470
		1471	# find and load all maps in the 3x3 area around a map
		1472	sub load_diag {
		1473	my ($map) = @_;
		1474
		1475	my @diag; # diagonal neighbours
		1476
		1477	for (0 .. 3) {
		1478	my $neigh = $map->tile_path ($_)
		1479	or next;
		1480	$neigh = find $neigh, $map
		1481	or next;
		1482	$neigh->load;
		1483
		1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1486	}
		1487
		1488	for (@diag) {
		1489	my $neigh = find @$_
		1490	or next;
		1491	$neigh->load;
		1492	}
		1493	}
		1494
		1495	sub find_sync {
1183	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1184		1497
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1498	cf::sync_job { find $path, $origin }
		1499	}
1186		1500
1187	cf::sync_job {	1501	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1502	my ($map) = @_;
1189	or return;	1503
		1504	cf::sync_job { $map->load };
		1505	}
		1506
		1507	our %MAP_PREFETCH;
		1508	our $MAP_PREFETCHER = undef;
		1509
		1510	sub find_async {
		1511	my ($path, $origin) = @_;
		1512
		1513	$path = normalise $path, $origin && $origin->{path};
		1514
		1515	if (my $map = $cf::MAP{$path}) {
		1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1517	}
		1518
		1519	undef $MAP_PREFETCH{$path};
		1520	$MAP_PREFETCHER ||= cf::async {
		1521	while (%MAP_PREFETCH) {
		1522	for my $path (keys %MAP_PREFETCH) {
		1523	my $map = find $path
		1524	or next;
1190	$map->load;	1525	$map->load;
1191	$map	1526
		1527	delete $MAP_PREFETCH{$path};
		1528	}
		1529	}
		1530	undef $MAP_PREFETCHER;
1192	}	1531	};
		1532	$MAP_PREFETCHER->prio (6);
		1533
		1534	()
1193	}	1535	}
1194		1536
1195	sub save {	1537	sub save {
1196	my ($self) = @_;	1538	my ($self) = @_;
1197		1539
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1541
1201	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1202		1543
1203	return unless $self->dirty;	1544	return unless $self->dirty;
1204		1545
		1546	my $save = $self->save_path; utf8::encode $save;
		1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1548
1205	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1206		1550
1207	return if $self->{deny_save};	1551	return if $self->{deny_save};
1208		1552
1209	warn "saving map ", $self->path;	1553	local $self->{last_access} = $self->last_access;#d#
		1554
		1555	cf::async {
		1556	$_->contr->save for $self->players;
		1557	};
1210		1558
1211	if ($uniq) {	1559	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1562	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	1564	}
1217	}	1565	}
1218		1566
1219	sub swap_out {	1567	sub swap_out {
1220	my ($self) = @_;	1568	my ($self) = @_;
		1569
		1570	# save first because save cedes
		1571	$self->save;
		1572
		1573	my $lock = cf::lock_acquire "map_data:" . $self->path;
1221		1574
1222	return if $self->players;	1575	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1577	return if $self->{deny_save};
1225		1578
1226	$self->save;
1227	$self->clear;	1579	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1580	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1581	}
1230		1582
		1583	sub reset_at {
		1584	my ($self) = @_;
		1585
		1586	# TODO: safety, remove and allow resettable per-player maps
		1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1588	return 1e99 if $self->{deny_reset};
		1589
		1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1592
		1593	$time + $to
		1594	}
		1595
1231	sub should_reset {	1596	sub should_reset {
1232	my ($map) = @_;	1597	my ($self) = @_;
1233		1598
1234	# TODO: safety, remove and allow resettable per-player maps	1599	$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	}	1600	}
1243		1601
1244	sub reset {	1602	sub reset {
1245	my ($self) = @_;	1603	my ($self) = @_;
1246		1604
		1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1606
1247	return if $self->players;	1607	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1249		1609
1250	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1251		1611
1252	utf8::encode (my $save = $self->{path}->save_path);	1612	$self->in_memory (cf::MAP_SWAPPED);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1613
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1614	# need to save uniques path
		1615	unless ($self->{deny_save}) {
		1616	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1617
		1618	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1619	if $uniq;
		1620	}
		1621
		1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1255		1625
1256	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1257		1627
		1628	$self->unlink_save;
1258	$self->clear;	1629	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	1630	}
1262		1631
1263	sub customise_for {	1632	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		1633
1266	if ($map->per_player) {	1634	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1635	my ($self) = @_;
1268	}
1269		1636
1270	$map	1637	delete $cf::MAP{$self->path};
1271	}
1272		1638
1273	sub emergency_save {	1639	$self->unlink_save;
1274	local $cf::FREEZE = 1;
1275		1640
1276	warn "enter emergency map save\n";	1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
		1643	$self->{deny_save} = 1;
		1644	$self->reset_timeout (1);
		1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1277		1646
1278	cf::sync_job {	1647	$cf::MAP{$self->path} = $self;
1279	warn "begin emergency map save\n";	1648
1280	$_->save for values %cf::MAP;	1649	$self->reset; # polite request, might not happen
		1650	}
		1651
		1652	=item cf::map::unique_maps
		1653
		1654	Returns an arrayref of paths of all shared maps that have
		1655	instantiated unique items. May block.
		1656
		1657	=cut
		1658
		1659	sub unique_maps() {
		1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
		1662
		1663	my @paths;
		1664
		1665	for (@$files) {
		1666	utf8::decode $_;
		1667	next if /\.pst$/;
		1668	next unless /^$PATH_SEP/o;
		1669
		1670	push @paths, cf::map::normalise $_;
1281	};	1671	}
1282		1672
1283	warn "end emergency map save\n";	1673	\@paths
1284	}	1674	}
1285		1675
1286	package cf;	1676	package cf;
1287		1677
1288	=back	1678	=back
1289		1679
		1680	=head3 cf::object
		1681
		1682	=cut
		1683
		1684	package cf::object;
		1685
		1686	=over 4
		1687
		1688	=item $ob->inv_recursive
		1689
		1690	Returns the inventory of the object _and_ their inventories, recursively.
		1691
		1692	=cut
		1693
		1694	sub inv_recursive_;
		1695	sub inv_recursive_ {
		1696	map { $_, inv_recursive_ $_->inv } @_
		1697	}
		1698
		1699	sub inv_recursive {
		1700	inv_recursive_ inv $_[0]
		1701	}
		1702
		1703	package cf;
		1704
		1705	=back
1290		1706
1291	=head3 cf::object::player	1707	=head3 cf::object::player
1292		1708
1293	=over 4	1709	=over 4
1294		1710
…		…
1330	(ref $cf::CFG{"may_$access"}	1746	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1747	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1748	: $cf::CFG{"may_$access"})
1333	}	1749	}
1334		1750
		1751	=item $player_object->enter_link
		1752
		1753	Freezes the player and moves him/her to a special map (C<{link}>).
		1754
		1755	The player should be reasonably safe there for short amounts of time. You
		1756	I<MUST> call C<leave_link> as soon as possible, though.
		1757
		1758	Will never block.
		1759
		1760	=item $player_object->leave_link ($map, $x, $y)
		1761
		1762	Moves the player out of the special C<{link}> map onto the specified
		1763	map. If the map is not valid (or omitted), the player will be moved back
		1764	to the location he/she was before the call to C<enter_link>, or, if that
		1765	fails, to the emergency map position.
		1766
		1767	Might block.
		1768
		1769	=cut
		1770
		1771	sub link_map {
		1772	unless ($LINK_MAP) {
		1773	$LINK_MAP = cf::map::find "{link}"
		1774	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1775	$LINK_MAP->load;
		1776	}
		1777
		1778	$LINK_MAP
		1779	}
		1780
1335	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1782	my ($self) = @_;
1337		1783
1338	return if $self->map == $LINK_MAP;	1784	$self->deactivate_recursive;
1339		1785
		1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1787
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1789	if $self->map;
1342		1790
1343	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1344	$self->deactivate_recursive;
1345	}	1792	}
1346		1793
1347	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1349		1796
1350	my $link_pos = delete $self->{_link_pos};	1797	my $link_pos = delete $self->{_link_pos};
1351		1798
1352	unless ($map) {	1799	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1800	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1801	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1802	$map = cf::map::find $map;
1358		1803
1359	unless ($map) {	1804	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1805	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1806	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1807	or die "FATAL: cannot load emergency map\n";
1363	}	1808	}
1364	}	1809	}
1365		1810
1366	($x, $y) = (-1, -1)	1811	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1372		1817
1373	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1374		1820
		1821	return unless $self->contr->active;
1375	$self->activate_recursive;	1822	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1823	$self->enter_map ($map, $x, $y);
1377	}	1824	}
1378		1825
		1826	cf::player->attach (
		1827	on_logout => sub {
		1828	my ($pl) = @_;
		1829
		1830	# abort map switching before logout
		1831	if ($pl->ob->{_link_pos}) {
		1832	cf::sync_job {
		1833	$pl->ob->leave_link
		1834	};
		1835	}
		1836	},
		1837	on_login => sub {
		1838	my ($pl) = @_;
		1839
		1840	# try to abort aborted map switching on player login :)
		1841	# should happen only on crashes
		1842	if ($pl->ob->{_link_pos}) {
		1843	$pl->ob->enter_link;
		1844	(async {
		1845	# we need this sleep as the login has a concurrent enter_exit running
		1846	# and this sleep increases chances of the player not ending up in scorn
		1847	$pl->ob->reply (undef,
		1848	"There was an internal problem at your last logout, "
		1849	. "the server will try to bring you to your intended destination in a second.",
		1850	cf::NDI_RED);
		1851	Coro::Timer::sleep 1;
		1852	$pl->ob->leave_link;
		1853	})->prio (2);
		1854	}
		1855	},
		1856	);
		1857
1379	=item $player_object->goto_map ($map, $x, $y)	1858	=item $player_object->goto ($path, $x, $y)
1380		1859
1381	=cut	1860	=cut
1382		1861
1383	sub cf::object::player::goto_map {	1862	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1863	my ($self, $path, $x, $y) = @_;
1385		1864
1386	$self->enter_link;	1865	$self->enter_link;
1387		1866
1388	(Coro::async {	1867	(async {
1389	$path = new cf::path $path;	1868	my $map = eval {
1390
1391	my $map = cf::map::find_map $path->as_string;	1869	my $map = cf::map::find $path;
1392	$map = $map->customise_for ($self) if $map;	1870	$map = $map->customise_for ($self) if $map;
1393
1394	warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1871	$map
		1872	} or
		1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1396		1874
1397	$self->leave_link ($map, $x, $y);	1875	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1876	})->prio (1);
1399	}	1877	}
1400		1878
…		…
1404		1882
1405	sub parse_random_map_params {	1883	sub parse_random_map_params {
1406	my ($spec) = @_;	1884	my ($spec) = @_;
1407		1885
1408	my $rmp = { # defaults	1886	my $rmp = { # defaults
1409	xsize => 10,	1887	xsize => (cf::rndm 15, 40),
1410	ysize => 10,	1888	ysize => (cf::rndm 15, 40),
		1889	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1890	#layout => string,
1411	};	1891	};
1412		1892
1413	for (split /\n/, $spec) {	1893	for (split /\n/, $spec) {
1414	my ($k, $v) = split /\s+/, $_, 2;	1894	my ($k, $v) = split /\s+/, $_, 2;
1415		1895
…		…
1419	$rmp	1899	$rmp
1420	}	1900	}
1421		1901
1422	sub prepare_random_map {	1902	sub prepare_random_map {
1423	my ($exit) = @_;	1903	my ($exit) = @_;
		1904
		1905	my $guard = cf::lock_acquire "exit_prepare:$exit";
1424		1906
1425	# all this does is basically replace the /! path by	1907	# all this does is basically replace the /! path by
1426	# a new random map path (?random/...) with a seed	1908	# a new random map path (?random/...) with a seed
1427	# that depends on the exit object	1909	# that depends on the exit object
1428		1910
1429	my $rmp = parse_random_map_params $exit->msg;	1911	my $rmp = parse_random_map_params $exit->msg;
1430		1912
1431	if ($exit->map) {	1913	if ($exit->map) {
1432	$rmp->{region} = $exit->map->region_name;	1914	$rmp->{region} = $exit->region->name;
1433	$rmp->{origin_map} = $exit->map->path;	1915	$rmp->{origin_map} = $exit->map->path;
1434	$rmp->{origin_x} = $exit->x;	1916	$rmp->{origin_x} = $exit->x;
1435	$rmp->{origin_y} = $exit->y;	1917	$rmp->{origin_y} = $exit->y;
1436	}	1918	}
1437		1919
1438	$rmp->{random_seed} ||= $exit->random_seed;	1920	$rmp->{random_seed} ||= $exit->random_seed;
1439		1921
1440	my $data = cf::to_json $rmp;	1922	my $data = cf::to_json $rmp;
1441	my $md5 = Digest::MD5::md5_hex $data;	1923	my $md5 = Digest::MD5::md5_hex $data;
		1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1442		1925
1443	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1444	aio_write $fh, 0, (length $data), $data, 0;	1927	aio_write $fh, 0, (length $data), $data, 0;
		1928	undef $fh;
		1929	aio_rename "$meta~", $meta;
1445		1930
1446	$exit->slaying ("?random/$md5");	1931	$exit->slaying ("?random/$md5");
1447	$exit->msg (undef);	1932	$exit->msg (undef);
1448	}	1933	}
1449	}	1934	}
…		…
1451	sub cf::object::player::enter_exit {	1936	sub cf::object::player::enter_exit {
1452	my ($self, $exit) = @_;	1937	my ($self, $exit) = @_;
1453		1938
1454	return unless $self->type == cf::PLAYER;	1939	return unless $self->type == cf::PLAYER;
1455		1940
		1941	if ($exit->slaying eq "/!") {
		1942	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1943	cf::sync_job { prepare_random_map $exit };
		1944	}
		1945
		1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1947	my $hp = $exit->stats->hp;
		1948	my $sp = $exit->stats->sp;
		1949
1456	$self->enter_link;	1950	$self->enter_link;
1457		1951
1458	(Coro::async {	1952	(async {
		1953	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1954	unless (eval {
1460		1955	$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		1956
1467	1;	1957	1;
1468	}) {	1958	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1959	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	1960	. "I'll try to bring you back to the map you were before. "
1471	. "Please report this to the dungeon master",	1961	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	1962	cf::NDI_UNIQUE | cf::NDI_RED);
1473		1963
1474	warn "ERROR in enter_exit: $@";	1964	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	1965	$self->leave_link;
1476	}	1966	}
…		…
1527	on_reply => sub {	2017	on_reply => sub {
1528	my ($ns, $msg) = @_;	2018	my ($ns, $msg) = @_;
1529		2019
1530	# this weird shuffling is so that direct followup queries	2020	# this weird shuffling is so that direct followup queries
1531	# get handled first	2021	# get handled first
1532	my $queue = delete $ns->{query_queue};	2022	my $queue = delete $ns->{query_queue}
		2023	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		2024
1534	(shift @$queue)->[1]->($msg);	2025	(shift @$queue)->[1]->($msg);
		2026	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1535		2027
1536	push @{ $ns->{query_queue} }, @$queue;	2028	push @{ $ns->{query_queue} }, @$queue;
1537		2029
1538	if (@{ $ns->{query_queue} } == @$queue) {	2030	if (@{ $ns->{query_queue} } == @$queue) {
1539	if (@$queue) {	2031	if (@$queue) {
…		…
1543	}	2035	}
1544	}	2036	}
1545	},	2037	},
1546	);	2038	);
1547		2039
1548	=item $client->coro (\&cb)	2040	=item $client->async (\&cb)
1549		2041
1550	Create a new coroutine, running the specified callback. The coroutine will	2042	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	2043	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	2044	or loss of connection).
1553		2045
1554	=cut	2046	=cut
1555		2047
1556	sub cf::client::coro {	2048	sub cf::client::async {
1557	my ($self, $cb) = @_;	2049	my ($self, $cb) = @_;
1558		2050
1559	my $coro; $coro = async {	2051	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		2052
1566	$coro->on_destroy (sub {	2053	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	2054	delete $self->{_coro}{$coro+0};
1568	});	2055	});
1569		2056
…		…
1705	The parameter C<$family> should best start with the name of the extension	2192	The parameter C<$family> should best start with the name of the extension
1706	using it, it should be unique.	2193	using it, it should be unique.
1707		2194
1708	=over 4	2195	=over 4
1709		2196
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	2197	=item $value = cf::db_get $family => $key
1717		2198
1718	Returns a single value from the database	2199	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		2200
1725	=item cf::db_put $family => $key => $value	2201	=item cf::db_put $family => $key => $value
1726		2202
1727	Stores the given C<$value> in the family hash. Updates are delayed, if you	2203	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		2204
1738	=cut	2205	=cut
1739		2206
1740	our $DB;	2207	our $DB;
1741		2208
1742	{	2209	sub db_init {
		2210	unless ($DB) {
		2211	$DB = BDB::db_create $DB_ENV;
		2212
		2213	cf::sync_job {
		2214	eval {
		2215	$DB->set_flags (BDB::CHKSUM);
		2216
		2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2219	cf::cleanup "db_open(db): $!" if $!;
		2220	};
		2221	cf::cleanup "db_open(db): $@" if $@;
		2222	};
		2223
1743	my $path = cf::localdir . "/database.pst";	2224	my $path = cf::localdir . "/database.pst";
		2225	if (stat $path) {
		2226	cf::sync_job {
		2227	my $pst = Storable::retrieve $path;
1744		2228
1745	sub db_load() {	2229	cf::db_put (board => data => $pst->{board});
1746	warn "loading database $path\n";#d# remove later	2230	cf::db_put (guildrules => data => $pst->{guildrules});
1747	$DB = stat $path ? Storable::retrieve $path : { };	2231	cf::db_put (rent => balance => $pst->{rent}{balance});
1748	}	2232	BDB::db_env_txn_checkpoint $DB_ENV;
1749		2233
1750	my $pid;	2234	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	}	2235	};
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	},	2236	}
1799	);	2237	}
		2238	}
		2239
		2240	sub db_get($$) {
		2241	my $key = "$_[0]/$_[1]";
		2242
		2243	cf::sync_job {
		2244	BDB::db_get $DB, undef, $key, my $data;
		2245
		2246	$! ? ()
		2247	: Compress::LZF::sthaw $data
		2248	}
		2249	}
		2250
		2251	sub db_put($$$) {
		2252	BDB::dbreq_pri 4;
		2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1800	}	2254	}
1801		2255
1802	#############################################################################	2256	#############################################################################
1803	# the server's main()	2257	# the server's init and main functions
		2258
		2259	sub load_resources {
		2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2261	or die "unable to load regions file\n";#d#
		2262	}
1804		2263
1805	sub cfg_load {	2264	sub cfg_load {
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2265	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2266	or return;
1808		2267
1809	local $/;	2268	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2269	*CFG = YAML::Syck::Load <$fh>;
		2270
		2271	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2272
		2273	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2274	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2275
		2276	if (exists $CFG{mlockall}) {
		2277	eval {
		2278	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2279	and die "WARNING: m(un)lockall failed: $!\n";
		2280	};
		2281	warn $@ if $@;
		2282	}
		2283	}
		2284
		2285	sub init {
		2286	load_resources;
1811	}	2287	}
1812		2288
1813	sub main {	2289	sub main {
1814	# we must not ever block the main coroutine	2290	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2291	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2292	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {	2293	(async {
1818	Event::one_event;	2294	Event::one_event;
1819	})->();	2295	})->prio (Coro::PRIO_MAX);
1820	};	2296	};
1821		2297
1822	cfg_load;	2298	cfg_load;
1823	db_load;	2299	db_init;
1824	load_extensions;	2300	load_extensions;
		2301
		2302	$TICK_WATCHER->start;
1825	Event::loop;	2303	Event::loop;
1826	}	2304	}
1827		2305
1828	#############################################################################	2306	#############################################################################
1829	# initialisation	2307	# initialisation and cleanup
1830		2308
		2309	# install some emergency cleanup handlers
		2310	BEGIN {
		2311	for my $signal (qw(INT HUP TERM)) {
		2312	Event->signal (
		2313	reentrant => 0,
		2314	data => WF_AUTOCANCEL,
		2315	signal => $signal,
		2316	prio => 0,
		2317	cb => sub {
		2318	cf::cleanup "SIG$signal";
		2319	},
		2320	);
		2321	}
		2322	}
		2323
		2324	sub emergency_save() {
		2325	my $freeze_guard = cf::freeze_mainloop;
		2326
		2327	warn "enter emergency perl save\n";
		2328
		2329	cf::sync_job {
		2330	# use a peculiar iteration method to avoid tripping on perl
		2331	# refcount bugs in for. also avoids problems with players
		2332	# and maps saved/destroyed asynchronously.
		2333	warn "begin emergency player save\n";
		2334	for my $login (keys %cf::PLAYER) {
		2335	my $pl = $cf::PLAYER{$login} or next;
		2336	$pl->valid or next;
		2337	$pl->save;
		2338	}
		2339	warn "end emergency player save\n";
		2340
		2341	warn "begin emergency map save\n";
		2342	for my $path (keys %cf::MAP) {
		2343	my $map = $cf::MAP{$path} or next;
		2344	$map->valid or next;
		2345	$map->save;
		2346	}
		2347	warn "end emergency map save\n";
		2348
		2349	warn "begin emergency database checkpoint\n";
		2350	BDB::db_env_txn_checkpoint $DB_ENV;
		2351	warn "end emergency database checkpoint\n";
		2352	};
		2353
		2354	warn "leave emergency perl save\n";
		2355	}
		2356
		2357	sub post_cleanup {
		2358	my ($make_core) = @_;
		2359
		2360	warn Carp::longmess "post_cleanup backtrace"
		2361	if $make_core;
		2362	}
		2363
1831	sub perl_reload() {	2364	sub reload() {
1832	# can/must only be called in main	2365	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2366	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2367	warn "can only reload from main coroutine";
1835	return;	2368	return;
1836	}	2369	}
1837		2370
1838	warn "reloading...";	2371	warn "reloading...";
1839		2372
1840	local $FREEZE = 1;	2373	warn "entering sync_job";
		2374
		2375	cf::sync_job {
		2376	cf::write_runtime; # external watchdog should not bark
1841	cf::emergency_save;	2377	cf::emergency_save;
		2378	cf::write_runtime; # external watchdog should not bark
1842		2379
1843	eval {	2380	warn "syncing database to disk";
		2381	BDB::db_env_txn_checkpoint $DB_ENV;
		2382
1844	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
1845		2384
1846	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
1847	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2388	}
1850		2389
		2390	warn "flushing outstanding aio requests";
		2391	for (;;) {
		2392	BDB::flush;
		2393	IO::AIO::flush;
		2394	Coro::cede;
		2395	last unless IO::AIO::nreqs || BDB::nreqs;
		2396	warn "iterate...";
		2397	}
		2398
1851	# cancel all extension coros	2399	warn "cancelling all extension coros";
1852	$_->cancel for values %EXT_CORO;	2400	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2401	%EXT_CORO = ();
1854		2402
1855	# unload all extensions	2403	warn "removing commands";
1856	for (@exts) {	2404	%COMMAND = ();
		2405
		2406	warn "removing ext commands";
		2407	%EXTCMD = ();
		2408
		2409	warn "unloading/nuking all extensions";
		2410	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2411	warn "... unloading $pkg";
1858	unload_extension $_;	2412
		2413	if (my $cb = $pkg->can ("unload")) {
		2414	eval {
		2415	$cb->($pkg);
		2416	1
		2417	} or warn "$pkg unloaded, but with errors: $@";
1859	}	2418	}
1860		2419
		2420	warn "... nuking $pkg";
		2421	Symbol::delete_package $pkg;
		2422	}
		2423
1861	# unload all modules loaded from $LIBDIR	2424	warn "unloading all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2425	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2426	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2427
1865	warn "removing <$k>";	2428	warn "... unloading $k";
1866	delete $INC{$k};	2429	delete $INC{$k};
1867		2430
1868	$k =~ s/\.pm$//;	2431	$k =~ s/\.pm$//;
1869	$k =~ s/\//::/g;	2432	$k =~ s/\//::/g;
1870		2433
…		…
1873	}	2436	}
1874		2437
1875	Symbol::delete_package $k;	2438	Symbol::delete_package $k;
1876	}	2439	}
1877		2440
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2441	warn "getting rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2442	Symbol::delete_package "safe::$_"
1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2443	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1885		2444
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2445	warn "unloading cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2446	delete $INC{"cf.pm"};
1891		2447
1892	# don't, removes xs symbols, too,	2448	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2449	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2450	#Symbol::delete_package __PACKAGE__;
1895		2451
1896	# reload cf.pm	2452	warn "unload completed, starting to reload now";
		2453
1897	warn "reloading cf.pm";	2454	warn "reloading cf.pm";
1898	require cf;	2455	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2457
1901	# load config and database again	2458	warn "loading config and database again";
1902	cf::cfg_load;	2459	cf::cfg_load;
1903	cf::db_load;
1904		2460
1905	# load extensions
1906	warn "load extensions";	2461	warn "loading extensions";
1907	cf::load_extensions;	2462	cf::load_extensions;
1908		2463
1909	# reattach attachments to objects	2464	warn "reattaching attachments to objects/players";
1910	warn "reattach";
1911	_global_reattach;	2465	_global_reattach;
1912	};	2466	warn "reattaching attachments to maps";
		2467	reattach $_ for values %MAP;
1913		2468
1914	if ($@) {	2469	warn "loading reloadable resources";
		2470	load_resources;
		2471
		2472	warn "leaving sync_job";
		2473
		2474	1
		2475	} or do {
1915	warn $@;	2476	warn $@;
1916	warn "error while reloading, exiting.";	2477	warn "error while reloading, exiting.";
1917	exit 1;	2478	exit 1;
1918	}	2479	};
1919		2480
1920	warn "reloaded successfully";	2481	warn "reloaded";
1921	};	2482	};
1922		2483
1923	#############################################################################	2484	our $RELOAD_WATCHER; # used only during reload
1924		2485
1925	unless ($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} = $LINK_MAP;
1964	}
1965
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2486	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2487	my ($who, $arg) = @_;
1970		2488
1971	if ($who->flag (FLAG_WIZ)) {	2489	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");
1973	perl_reload;
1974	$who->message ("end of reload.");	2490	$who->message ("reloading server.");
		2491
		2492	# doing reload synchronously and two reloads happen back-to-back,
		2493	# coro crashes during coro_state_free->destroy here.
		2494
		2495	$RELOAD_WATCHER ||= Event->timer (
		2496	reentrant => 0,
		2497	after => 0,
		2498	data => WF_AUTOCANCEL,
		2499	cb => sub {
		2500	reload;
		2501	undef $RELOAD_WATCHER;
		2502	},
		2503	);
1975	}	2504	}
1976	};	2505	};
1977		2506
1978	unshift @INC, $LIBDIR;	2507	unshift @INC, $LIBDIR;
		2508
		2509	my $bug_warning = 0;
1979		2510
1980	$TICK_WATCHER = Event->timer (	2511	$TICK_WATCHER = Event->timer (
1981	reentrant => 0,	2512	reentrant => 0,
		2513	parked => 1,
1982	prio => 0,	2514	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2515	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2516	data => WF_AUTOCANCEL,
1985	cb => sub {	2517	cb => sub {
1986	unless ($FREEZE) {	2518	if ($Coro::current != $Coro::main) {
		2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2520	unless ++$bug_warning > 10;
		2521	return;
		2522	}
		2523
		2524	$NOW = Event::time;
		2525
1987	cf::server_tick; # one server iteration	2526	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2527	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2528	$NEXT_TICK += $TICK;
		2529
		2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2531	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2532	Coro::async_pool {
		2533	write_runtime
		2534	or warn "ERROR: unable to write runtime file: $!";
		2535	};
		2536	}
		2537
		2538
		2539	$WAIT_FOR_TICK->broadcast;
		2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2541
		2542	# my $AFTER = Event::time;
		2543	# warn $AFTER - $NOW;#d#
1992		2544
1993	# if we are delayed by four ticks or more, skip them all	2545	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2547
1996	$TICK_WATCHER->at ($NEXT_TICK);	2548	$TICK_WATCHER->at ($NEXT_TICK);
1997	$TICK_WATCHER->start;	2549	$TICK_WATCHER->start;
1998	},	2550	},
1999	);	2551	);
2000		2552
		2553	{
2001	IO::AIO::max_poll_time $TICK * 0.2;	2554	BDB::max_poll_time $TICK * 0.1;
2002		2555	$BDB_POLL_WATCHER = Event->io (
2003	Event->io (	2556	reentrant => 0,
2004	fd => IO::AIO::poll_fileno,	2557	fd => BDB::poll_fileno,
2005	poll => 'r',	2558	poll => 'r',
2006	prio => 5,	2559	prio => 0,
2007	data => WF_AUTOCANCEL,
2008	cb => \&IO::AIO::poll_cb,
2009	);
2010
2011	Event->timer (
2012	data => WF_AUTOCANCEL,	2560	data => WF_AUTOCANCEL,
2013	after => 0,	2561	cb => \&BDB::poll_cb,
2014	interval => 10,	2562	);
2015	cb => sub {	2563	BDB::min_parallel 8;
2016	(Coro::unblock_sub {	2564
2017	write_runtime	2565	BDB::set_sync_prepare {
2018	or warn "ERROR: unable to write runtime file: $!";	2566	my $status;
		2567	my $current = $Coro::current;
		2568	(
		2569	sub {
		2570	$status = $!;
		2571	$current->ready; undef $current;
		2572	},
		2573	sub {
		2574	Coro::schedule while defined $current;
		2575	$! = $status;
		2576	},
		2577	)
		2578	};
		2579
		2580	unless ($DB_ENV) {
		2581	$DB_ENV = BDB::db_env_create;
		2582
		2583	cf::sync_job {
		2584	eval {
		2585	BDB::db_env_open
		2586	$DB_ENV,
		2587	$BDB_ENV_DIR,
		2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2590	0666;
		2591
		2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2593
		2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2595	$DB_ENV->set_lk_detect;
		2596	};
		2597
		2598	cf::cleanup "db_env_open(db): $@" if $@;
2019	})->();	2599	};
2020	},	2600	}
2021	);	2601	}
		2602
		2603	{
		2604	IO::AIO::min_parallel 8;
		2605
		2606	undef $Coro::AIO::WATCHER;
		2607	IO::AIO::max_poll_time $TICK * 0.1;
		2608	$AIO_POLL_WATCHER = Event->io (
		2609	reentrant => 0,
		2610	data => WF_AUTOCANCEL,
		2611	fd => IO::AIO::poll_fileno,
		2612	poll => 'r',
		2613	prio => 6,
		2614	cb => \&IO::AIO::poll_cb,
		2615	);
		2616	}
		2617
		2618	END { cf::emergency_save }
2022		2619
2023	1	2620	1
2024		2621

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