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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.220 by root, Sat Feb 17 23:54:35 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 $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=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	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
179	sub to_json($) {	226	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
182	}	229	}
183		230
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	231	=item cf::lock_wait $string
207		232
208	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
209		234
210	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
211		236
212	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
215	returned.	240	returned.
216		241
217	Lock names should begin with a unique identifier (for example, cf::map::find	242	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	243	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
238	lock_wait $key;	263	lock_wait $key;
239		264
240	$LOCK{$key} = [];	265	$LOCK{$key} = [];
241		266
242	cf::guard {	267	Coro::guard {
243	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
245	}	270	}
246	}	271	}
247		272
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	273	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
266		275
267	my $guard = guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
268	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
269	$guard	280	$guard
270	}	281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
271		292
272	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
273		294
274	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
275	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
…		…
294	my $freeze_guard = freeze_mainloop;	315	my $freeze_guard = freeze_mainloop;
295		316
296	my $busy = 1;	317	my $busy = 1;
297	my @res;	318	my @res;
298		319
299	(Coro::async {	320	(async {
300	@res = eval { $job->() };	321	@res = eval { $job->() };
301	warn $@ if $@;	322	warn $@ if $@;
302	undef $busy;	323	undef $busy;
303	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
304		325
305	while ($busy) {	326	while ($busy) {
306	Coro::cede_notself;	327	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	328	}
309		329
310	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
311	} else {	331	} else {
312	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
313		333
314	$job->()	334	$job->()
315	}	335	}
316	}	336	}
317		337
318	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
319		339
320	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
322		342
323	=cut	343	=cut
324		344
325	sub coro(&) {	345	sub async_ext(&) {
326	my $cb = shift;	346	my $cb = shift;
327		347
328	my $coro = &cf::async ($cb);	348	my $coro = &Coro::async ($cb);
329		349
330	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
332	});	352	});
333	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
334		354
335	$coro	355	$coro
336	}	356	}
337		357
338	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
339	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
340		362
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	364	or return;
343		365
		366	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	371	and return;
347		372
		373	# always fsync - this file is important
348	aio_fsync $fh	374	aio_fsync $fh
349	and return;	375	and return;
350		376
351	close $fh	377	close $fh
352	or return;	378	or return;
…		…
358	}	384	}
359		385
360	=back	386	=back
361		387
362	=cut	388	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		389
484	#############################################################################	390	#############################################################################
485		391
486	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
487		393
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	520	our @CB_MAP = ();
615		521
616	my %attachment;	522	my %attachment;
617		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
618	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
620		532
621	use sort 'stable';	533	use sort 'stable';
622		534
…		…
793	# object support	705	# object support
794		706
795	sub reattach {	707	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		712
799	my $registry = $obj->registry;	713	my $registry = $obj->registry;
800		714
801	@$registry = ();	715	@$registry = ();
802		716
…		…
849	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
850		764
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	769	close $fh;
856		770
857	if (@$objs) {	771	if (@$objs) {
858	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) {
859	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	777	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
865	}	779	}
866	} else {	780	} else {
867	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
934	=cut	848	=cut
935		849
936	sub register_extcmd {	850	sub register_extcmd {
937	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
938		852
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
943	}	854	}
944		855
945	cf::player->attach (	856	cf::player->attach (
946	on_command => sub {	857	on_command => sub {
947	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
960		871
961	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
962		873
963	if (ref $msg) {	874	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	878	}
968	}	879	}
969	} else {	880	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		883
973	cf::override;	884	cf::override;
974	},	885	},
975	);	886	);
976		887
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	888	sub load_extension {
984	my ($path) = @_;	889	my ($path) = @_;
985		890
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	892	my $base = $1;
988	my $pkg = $1;	893	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
991		896
992	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
993		898
994	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
995	or die "$path: $!";	900	or die "$path: $!";
996		901
997	my $source =	902	my $source =
998	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
1001	. "\n};\n1";	906	. "\n};\n1";
1002		907
1003	eval $source	908	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	910	: "extension disabled.\n";
1006		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	912	warn $@;
1008	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1009		914	exit 1;
1010	# no strict 'refs';	915	}
1011	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	917	}
1026		918
1027	# remove commands	919	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	920	}
1052		921
1053	sub load_extensions {	922	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	924	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1060	}	929	}
1061	}	930	}
1062		931
1063	#############################################################################	932	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		933
1101	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1102		935
1103	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1104		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1105	=head3 cf::player	944	=head3 cf::player
1106		945
1107	=over 4	946	=over 4
1108		947
1109	=item cf::player::exists $login	948	=item cf::player::find $login
1110		949
1111	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1112		951
1113	=cut	952	=cut
1114		953
1115	sub cf::player::exists($) {	954	sub playerdir($) {
1116	cf::player::find $_[0]	955	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
		1036
		1037	$pl->{deny_save} = 1;
		1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1039
		1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1041	$pl->deactivate;
		1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1043	$pl->ns->destroy if $pl->ns;
		1044
		1045	my $path = playerdir $pl;
		1046	my $temp = "$path~$cf::RUNTIME~deleting~";
		1047	aio_rename $path, $temp;
		1048	delete $cf::PLAYER{$pl->ob->name};
		1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
		1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item cf::player::list_logins
		1060
		1061	Returns am arrayref of all valid playernames in the system, can take a
		1062	while and may block, so not sync_job-capable, ever.
		1063
		1064	=cut
		1065
		1066	sub list_logins {
		1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1068	or return [];
		1069
		1070	my @logins;
		1071
		1072	for my $login (@$dirs) {
		1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1074	aio_read $fh, 0, 512, my $buf, 0 or next;
		1075	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1076
		1077	utf8::decode $login;
		1078	push @logins, $login;
		1079	}
		1080
		1081	\@logins
		1082	}
		1083
		1084	=item $player->maps
		1085
		1086	Returns an arrayref of map paths that are private for this
		1087	player. May block.
		1088
		1089	=cut
		1090
		1091	sub maps($) {
		1092	my ($pl) = @_;
		1093
		1094	$pl = ref $pl ? $pl->ob->name : $pl;
		1095
		1096	my $files = aio_readdir playerdir $pl
		1097	or return;
		1098
		1099	my @paths;
		1100
		1101	for (@$files) {
		1102	utf8::decode $_;
		1103	next if /\.(?:pl|pst)$/;
		1104	next unless /^$PATH_SEP/o;
		1105
		1106	push @paths, cf::map::normalise "~$pl/$_";
		1107	}
		1108
		1109	\@paths
1118	}	1110	}
1119		1111
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1112	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1113
1122	Sends an ext reply to the player.	1114	Sends an ext reply to the player.
1123		1115
1124	=cut	1116	=cut
1125		1117
1126	sub cf::player::ext_reply($$$%) {	1118	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1119	my ($self, $id, %msg) = @_;
1128		1120
1129	$msg{msgid} = $id;	1121	$msg{msgid} = $id;
1130		1122
1131	$self->send ("ext " . to_json \%msg);	1123	$self->send ("ext " . cf::to_json \%msg);
1132	}	1124	}
		1125
		1126	package cf;
1133		1127
1134	=back	1128	=back
1135		1129
1136		1130
1137	=head3 cf::map	1131	=head3 cf::map
…		…
1143	package cf::map;	1137	package cf::map;
1144		1138
1145	use Fcntl;	1139	use Fcntl;
1146	use Coro::AIO;	1140	use Coro::AIO;
1147		1141
		1142	use overload
		1143	'""' => \&as_string,
		1144	fallback => 1;
		1145
1148	our $MAX_RESET = 3600;	1146	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1147	our $DEFAULT_RESET = 3000;
1150		1148
1151	sub generate_random_map {	1149	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1150	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1151	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1152	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1156	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1157	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1160	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1161	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1162	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1163	(cf::region::find $rmp->{region}), $rmp->{custom}
		1164	)
		1165	}
		1166
		1167	=item cf::map->register ($regex, $prio)
		1168
		1169	Register a handler for the map path matching the given regex at the
		1170	givne priority (higher is better, built-in handlers have priority 0, the
		1171	default).
		1172
		1173	=cut
		1174
		1175	sub register {
		1176	my (undef, $regex, $prio) = @_;
		1177	my $pkg = caller;
		1178
		1179	no strict;
		1180	push @{"$pkg\::ISA"}, __PACKAGE__;
		1181
		1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1183	}
		1184
		1185	# also paths starting with '/'
		1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1187
		1188	sub thawer_merge {
		1189	my ($self, $merge) = @_;
		1190
		1191	# we have to keep some variables in memory intact
		1192	local $self->{path};
		1193	local $self->{load_path};
		1194	local $self->{deny_save};
		1195	local $self->{deny_reset};
		1196
		1197	$self->SUPER::thawer_merge ($merge);
		1198	}
		1199
		1200	sub normalise {
		1201	my ($path, $base) = @_;
		1202
		1203	$path = "$path"; # make sure its a string
		1204
		1205	$path =~ s/\.map$//;
		1206
		1207	# map plan:
		1208	#
		1209	# /! non-realised random map exit (special hack!)
		1210	# {... are special paths that are not being touched
		1211	# ?xxx/... are special absolute paths
		1212	# ?random/... random maps
		1213	# /... normal maps
		1214	# ~user/... per-player map of a specific user
		1215
		1216	$path =~ s/$PATH_SEP/\//go;
		1217
		1218	# treat it as relative path if it starts with
		1219	# something that looks reasonable
		1220	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1221	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1222
		1223	$base =~ s{[^/]+/?$}{};
		1224	$path = "$base/$path";
		1225	}
		1226
		1227	for ($path) {
		1228	redo if s{//}{/};
		1229	redo if s{/\.?/}{/};
		1230	redo if s{/[^/]+/\.\./}{/};
		1231	}
		1232
		1233	$path
		1234	}
		1235
		1236	sub new_from_path {
		1237	my (undef, $path, $base) = @_;
		1238
		1239	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1240
		1241	$path = normalise $path, $base;
		1242
		1243	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1244	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1245	my $self = bless cf::map::new, $pkg;
		1246	$self->{path} = $path; $self->path ($path);
		1247	$self->init; # pass $1 etc.
		1248	return $self;
		1249	}
		1250	}
		1251
		1252	Carp::carp "unable to resolve path '$path' (base '$base').";
		1253	()
		1254	}
		1255
		1256	sub init {
		1257	my ($self) = @_;
		1258
		1259	$self
		1260	}
		1261
		1262	sub as_string {
		1263	my ($self) = @_;
		1264
		1265	"$self->{path}"
		1266	}
		1267
		1268	# the displayed name, this is a one way mapping
		1269	sub visible_name {
		1270	&as_string
		1271	}
		1272
		1273	# the original (read-only) location
		1274	sub load_path {
		1275	my ($self) = @_;
		1276
		1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1278	}
		1279
		1280	# the temporary/swap location
		1281	sub save_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1286	}
		1287
		1288	# the unique path, undef == no special unique path
		1289	sub uniq_path {
		1290	my ($self) = @_;
		1291
		1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1294	}
1169		1295
1170	# and all this just because we cannot iterate over	1296	# and all this just because we cannot iterate over
1171	# all maps in C++...	1297	# all maps in C++...
1172	sub change_all_map_light {	1298	sub change_all_map_light {
…		…
1174		1300
1175	$_->change_map_light ($change)	1301	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1302	for grep $_->outdoor, values %cf::MAP;
1177	}	1303	}
1178		1304
		1305	sub unlink_save {
		1306	my ($self) = @_;
		1307
		1308	utf8::encode (my $save = $self->save_path);
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1311	}
		1312
1179	sub try_load_header($) {	1313	sub load_header_from($) {
1180	my ($path) = @_;	1314	my ($self, $path) = @_;
1181		1315
1182	utf8::encode $path;	1316	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1317	#aio_open $path, O_RDONLY, 0
		1318	# or return;
		1319
		1320	$self->_load_header ($path)
1184	or return;	1321	or return;
1185		1322
1186	my $map = cf::map::new	1323	$self->{load_path} = $path;
		1324
		1325	1
		1326	}
		1327
		1328	sub load_header_orig {
		1329	my ($self) = @_;
		1330
		1331	$self->load_header_from ($self->load_path)
		1332	}
		1333
		1334	sub load_header_temp {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->save_path)
		1338	}
		1339
		1340	sub prepare_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->last_access ((delete $self->{last_access})
		1344	|| $cf::RUNTIME); #d#
		1345	# safety
		1346	$self->{instantiate_time} = $cf::RUNTIME
		1347	if $self->{instantiate_time} > $cf::RUNTIME;
		1348	}
		1349
		1350	sub prepare_orig {
		1351	my ($self) = @_;
		1352
		1353	$self->{load_original} = 1;
		1354	$self->{instantiate_time} = $cf::RUNTIME;
		1355	$self->last_access ($cf::RUNTIME);
		1356	$self->instantiate;
		1357	}
		1358
		1359	sub load_header {
		1360	my ($self) = @_;
		1361
		1362	if ($self->load_header_temp) {
		1363	$self->prepare_temp;
		1364	} else {
		1365	$self->load_header_orig
1187	or return;	1366	or return;
		1367	$self->prepare_orig;
		1368	}
1188		1369
1189	$map->load_header ($path)	1370	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1371	}
1196		1372
1197	sub find;	1373	sub find;
1198	sub find {	1374	sub find {
1199	my ($path, $origin) = @_;	1375	my ($path, $origin) = @_;
1200		1376
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1377	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1378
1206	cf::lock_wait "map_find:$key";	1379	cf::lock_wait "map_find:$path";
1207		1380
1208	$cf::MAP{$key} || do {	1381	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1382	my $guard = cf::lock_acquire "map_find:$path";
1210		1383	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1384	or return;
1228		1385
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1386	$map->{last_save} = $cf::RUNTIME;
1241		1387
1242	if ($map->should_reset) {	1388	$map->load_header
		1389	or return;
		1390
		1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1392	# doing this can freeze the server in a sync job, obviously
		1393	#$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1394	$map->reset;
1244	undef $guard;	1395	undef $guard;
1245	$map = find $path	1396	return find $path;
1246	or return;
1247	}	1397	}
1248		1398
1249	$cf::MAP{$key} = $map	1399	$cf::MAP{$path} = $map
1250	}	1400	}
1251	}	1401	}
		1402
		1403	sub pre_load { }
		1404	sub post_load { }
1252		1405
1253	sub load {	1406	sub load {
1254	my ($self) = @_;	1407	my ($self) = @_;
1255		1408
		1409	local $self->{deny_reset} = 1; # loading can take a long time
		1410
1256	my $path = $self->{path};	1411	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1412	my $guard = cf::lock_acquire "map_load:$path";
1258		1413
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1414	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1415
1261	$self->in_memory (cf::MAP_LOADING);	1416	$self->in_memory (cf::MAP_LOADING);
1262		1417
1263	$self->alloc;	1418	$self->alloc;
		1419
		1420	$self->pre_load;
		1421
1264	$self->load_objects ($self->{load_path}, 1)	1422	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1423	or return;
1266		1424
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1426	if delete $self->{load_original};
1269		1427
1270	if (my $uniq = $path->uniq_path) {	1428	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1429	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1430	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1431	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1432	$self->_load_objects ($uniq, 0);
1275	}	1433	}
1276	}	1434	}
		1435
		1436	Coro::cede;
1277		1437
1278	# now do the right thing for maps	1438	# now do the right thing for maps
1279	$self->link_multipart_objects;	1439	$self->link_multipart_objects;
1280		1440
1281	if ($self->{path}->is_style_map) {	1441	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1442	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1443	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1444	$self->update_buttons;
		1445	Coro::cede;
1288	$self->set_darkness_map;	1446	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1447	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1448	unless $self->difficulty;
		1449	Coro::cede;
1291	$self->activate;	1450	$self->activate;
1292	}	1451	}
1293		1452
		1453	$self->post_load;
		1454
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1455	$self->in_memory (cf::MAP_IN_MEMORY);
		1456	}
		1457
		1458	sub customise_for {
		1459	my ($self, $ob) = @_;
		1460
		1461	return find "~" . $ob->name . "/" . $self->{path}
		1462	if $self->per_player;
		1463
		1464	$self
		1465	}
		1466
		1467	# find and load all maps in the 3x3 area around a map
		1468	sub load_diag {
		1469	my ($map) = @_;
		1470
		1471	my @diag; # diagonal neighbours
		1472
		1473	for (0 .. 3) {
		1474	my $neigh = $map->tile_path ($_)
		1475	or next;
		1476	$neigh = find $neigh, $map
		1477	or next;
		1478	$neigh->load;
		1479
		1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1482	}
		1483
		1484	for (@diag) {
		1485	my $neigh = find @$_
		1486	or next;
		1487	$neigh->load;
		1488	}
1295	}	1489	}
1296		1490
1297	sub find_sync {	1491	sub find_sync {
1298	my ($path, $origin) = @_;	1492	my ($path, $origin) = @_;
1299		1493
1300	cf::sync_job { cf::map::find $path, $origin }	1494	cf::sync_job { find $path, $origin }
1301	}	1495	}
1302		1496
1303	sub do_load_sync {	1497	sub do_load_sync {
1304	my ($map) = @_;	1498	my ($map) = @_;
1305		1499
1306	cf::sync_job { $map->load };	1500	cf::sync_job { $map->load };
1307	}	1501	}
1308		1502
		1503	our %MAP_PREFETCH;
		1504	our $MAP_PREFETCHER = undef;
		1505
		1506	sub find_async {
		1507	my ($path, $origin) = @_;
		1508
		1509	$path = normalise $path, $origin && $origin->{path};
		1510
		1511	if (my $map = $cf::MAP{$path}) {
		1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1513	}
		1514
		1515	undef $MAP_PREFETCH{$path};
		1516	$MAP_PREFETCHER ||= cf::async {
		1517	while (%MAP_PREFETCH) {
		1518	for my $path (keys %MAP_PREFETCH) {
		1519	my $map = find $path
		1520	or next;
		1521	$map->load;
		1522
		1523	delete $MAP_PREFETCH{$path};
		1524	}
		1525	}
		1526	undef $MAP_PREFETCHER;
		1527	};
		1528	$MAP_PREFETCHER->prio (6);
		1529
		1530	()
		1531	}
		1532
1309	sub save {	1533	sub save {
1310	my ($self) = @_;	1534	my ($self) = @_;
1311		1535
		1536	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1537
1312	$self->{last_save} = $cf::RUNTIME;	1538	$self->{last_save} = $cf::RUNTIME;
1313		1539
1314	return unless $self->dirty;	1540	return unless $self->dirty;
1315		1541
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1543	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1544
1319	$self->{load_path} = $save;	1545	$self->{load_path} = $save;
1320		1546
1321	return if $self->{deny_save};	1547	return if $self->{deny_save};
1322		1548
1323	local $self->{last_access} = $self->last_access;#d#	1549	local $self->{last_access} = $self->last_access;#d#
1324		1550
		1551	cf::async {
		1552	$_->contr->save for $self->players;
		1553	};
		1554
1325	if ($uniq) {	1555	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1558	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1560	}
1331	}	1561	}
1332		1562
1333	sub swap_out {	1563	sub swap_out {
1334	my ($self) = @_;	1564	my ($self) = @_;
1335		1565
1336	# save first because save cedes	1566	# save first because save cedes
1337	$self->save;	1567	$self->save;
		1568
		1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1570
1339	return if $self->players;	1571	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1572	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1573	return if $self->{deny_save};
1342		1574
…		…
1346		1578
1347	sub reset_at {	1579	sub reset_at {
1348	my ($self) = @_;	1580	my ($self) = @_;
1349		1581
1350	# TODO: safety, remove and allow resettable per-player maps	1582	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1584	return 1e99 if $self->{deny_reset};
1353		1585
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1588
…		…
1361	my ($self) = @_;	1593	my ($self) = @_;
1362		1594
1363	$self->reset_at <= $cf::RUNTIME	1595	$self->reset_at <= $cf::RUNTIME
1364	}	1596	}
1365		1597
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1598	sub reset {
1388	my ($self) = @_;	1599	my ($self) = @_;
1389		1600
		1601	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1602
1390	return if $self->players;	1603	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1604	return if $self->isa ("ext::map_per_player");#d#
1392		1605
1393	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1394		1607
		1608	$self->in_memory (cf::MAP_SWAPPED);
		1609
		1610	# need to save uniques path
		1611	unless ($self->{deny_save}) {
		1612	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1613
		1614	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1615	if $uniq;
		1616	}
		1617
1395	delete $cf::MAP{$self->path};	1618	delete $cf::MAP{$self->path};
		1619
		1620	$self->clear;
1396		1621
1397	$_->clear_links_to ($self) for values %cf::MAP;	1622	$_->clear_links_to ($self) for values %cf::MAP;
1398		1623
1399	$self->unlink_save;	1624	$self->unlink_save;
1400	$self->destroy;	1625	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1628	my $nuke_counter = "aaaa";
1404		1629
1405	sub nuke {	1630	sub nuke {
1406	my ($self) = @_;	1631	my ($self) = @_;
1407		1632
		1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->unlink_save;
		1636
		1637	bless $self, "cf::map";
		1638	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1639	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1640	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1642
		1643	$cf::MAP{$self->path} = $self;
		1644
1411	$self->reset; # polite request, might not happen	1645	$self->reset; # polite request, might not happen
1412	}	1646	}
1413		1647
1414	sub customise_for {	1648	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1649
1417	if ($map->per_player) {	1650	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1651	instantiated unique items. May block.
1419	}
1420		1652
1421	$map	1653	=cut
1422	}
1423		1654
1424	sub emergency_save {	1655	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1657	or return;
1426		1658
1427	warn "enter emergency map save\n";	1659	my @paths;
1428		1660
1429	cf::sync_job {	1661	for (@$files) {
1430	warn "begin emergency map save\n";	1662	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1663	next if /\.pst$/;
		1664	next unless /^$PATH_SEP/o;
		1665
		1666	push @paths, cf::map::normalise $_;
1432	};	1667	}
1433		1668
1434	warn "end emergency map save\n";	1669	\@paths
1435	}	1670	}
1436		1671
1437	package cf;	1672	package cf;
1438		1673
1439	=back	1674	=back
1440		1675
		1676	=head3 cf::object
		1677
		1678	=cut
		1679
		1680	package cf::object;
		1681
		1682	=over 4
		1683
		1684	=item $ob->inv_recursive
		1685
		1686	Returns the inventory of the object _and_ their inventories, recursively.
		1687
		1688	=cut
		1689
		1690	sub inv_recursive_;
		1691	sub inv_recursive_ {
		1692	map { $_, inv_recursive_ $_->inv } @_
		1693	}
		1694
		1695	sub inv_recursive {
		1696	inv_recursive_ inv $_[0]
		1697	}
		1698
		1699	package cf;
		1700
		1701	=back
1441		1702
1442	=head3 cf::object::player	1703	=head3 cf::object::player
1443		1704
1444	=over 4	1705	=over 4
1445		1706
…		…
1485		1746
1486	=item $player_object->enter_link	1747	=item $player_object->enter_link
1487		1748
1488	Freezes the player and moves him/her to a special map (C<{link}>).	1749	Freezes the player and moves him/her to a special map (C<{link}>).
1489		1750
1490	The player should be reaosnably safe there for short amounts of time. You	1751	The player should be reasonably safe there for short amounts of time. You
1491	I<MUST> call C<leave_link> as soon as possible, though.	1752	I<MUST> call C<leave_link> as soon as possible, though.
1492		1753
		1754	Will never block.
		1755
1493	=item $player_object->leave_link ($map, $x, $y)	1756	=item $player_object->leave_link ($map, $x, $y)
1494		1757
1495	Moves the player out of the specila link map onto the given map. If the	1758	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1759	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1760	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1761	fails, to the emergency map position.
1499		1762
1500	Might block.	1763	Might block.
1501		1764
1502	=cut	1765	=cut
		1766
		1767	sub link_map {
		1768	unless ($LINK_MAP) {
		1769	$LINK_MAP = cf::map::find "{link}"
		1770	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1771	$LINK_MAP->load;
		1772	}
		1773
		1774	$LINK_MAP
		1775	}
1503		1776
1504	sub cf::object::player::enter_link {	1777	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1778	my ($self) = @_;
1506		1779
1507	$self->deactivate_recursive;	1780	$self->deactivate_recursive;
1508		1781
1509	return if $self->map == $LINK_MAP;	1782	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1783
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1785	if $self->map;
1513		1786
1514	$self->enter_map ($LINK_MAP, 20, 20);	1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1788	}
1516		1789
1517	sub cf::object::player::leave_link {	1790	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1791	my ($self, $map, $x, $y) = @_;
1519		1792
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1810	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1811	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1812	if $x <=0 && $y <= 0;
1540		1813
1541	$map->load;	1814	$map->load;
		1815	$map->load_diag;
1542		1816
		1817	return unless $self->contr->active;
1543	$self->activate_recursive;	1818	$self->activate_recursive;
		1819
		1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1544	$self->enter_map ($map, $x, $y);	1821	$self->enter_map ($map, $x, $y);
1545	}	1822	}
1546		1823
1547	cf::player->attach (	1824	cf::player->attach (
1548	on_logout => sub {	1825	on_logout => sub {
…		…
1560		1837
1561	# try to abort aborted map switching on player login :)	1838	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1839	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1840	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1841	$pl->ob->enter_link;
1565	cf::async {	1842	(async {
		1843	$pl->ob->reply (undef,
		1844	"There was an internal problem at your last logout, "
		1845	. "the server will try to bring you to your intended destination in a second.",
		1846	cf::NDI_RED);
1566	# we need this sleep as the login has a concurrent enter_exit running	1847	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn	1848	# and this sleep increases chances of the player not ending up in scorn
1568	Coro::Timer::sleep 1;	1849	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1850	$pl->ob->leave_link;
1570	};	1851	})->prio (2);
1571	}	1852	}
1572	},	1853	},
1573	);	1854	);
1574		1855
1575	=item $player_object->goto_map ($path, $x, $y)	1856	=item $player_object->goto ($path, $x, $y)
1576		1857
1577	=cut	1858	=cut
1578		1859
1579	sub cf::object::player::goto_map {	1860	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1861	my ($self, $path, $x, $y) = @_;
1581		1862
1582	$self->enter_link;	1863	$self->enter_link;
1583		1864
1584	(cf::async {	1865	(async {
1585	$path = new cf::path $path;	1866	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1867	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1868	$map = $map->customise_for ($self) if $map;
1589		1869	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1870	} or
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1594		1872
1595	$self->leave_link ($map, $x, $y);	1873	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1874	})->prio (1);
1597	}	1875	}
1598		1876
…		…
1602		1880
1603	sub parse_random_map_params {	1881	sub parse_random_map_params {
1604	my ($spec) = @_;	1882	my ($spec) = @_;
1605		1883
1606	my $rmp = { # defaults	1884	my $rmp = { # defaults
1607	xsize => 10,	1885	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1886	ysize => (cf::rndm 15, 40),
		1887	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1888	#layout => string,
1609	};	1889	};
1610		1890
1611	for (split /\n/, $spec) {	1891	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1892	my ($k, $v) = split /\s+/, $_, 2;
1613		1893
…		…
1617	$rmp	1897	$rmp
1618	}	1898	}
1619		1899
1620	sub prepare_random_map {	1900	sub prepare_random_map {
1621	my ($exit) = @_;	1901	my ($exit) = @_;
		1902
		1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1904
1623	# all this does is basically replace the /! path by	1905	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1906	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1907	# that depends on the exit object
1626		1908
1627	my $rmp = parse_random_map_params $exit->msg;	1909	my $rmp = parse_random_map_params $exit->msg;
1628		1910
1629	if ($exit->map) {	1911	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1912	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1913	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1914	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1915	$rmp->{origin_y} = $exit->y;
1634	}	1916	}
1635		1917
1636	$rmp->{random_seed} ||= $exit->random_seed;	1918	$rmp->{random_seed} ||= $exit->random_seed;
1637		1919
1638	my $data = cf::to_json $rmp;	1920	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1921	my $md5 = Digest::MD5::md5_hex $data;
		1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1923
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	1925	aio_write $fh, 0, (length $data), $data, 0;
		1926	undef $fh;
		1927	aio_rename "$meta~", $meta;
1643		1928
1644	$exit->slaying ("?random/$md5");	1929	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1930	$exit->msg (undef);
1646	}	1931	}
1647	}	1932	}
…		…
1649	sub cf::object::player::enter_exit {	1934	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	1935	my ($self, $exit) = @_;
1651		1936
1652	return unless $self->type == cf::PLAYER;	1937	return unless $self->type == cf::PLAYER;
1653		1938
		1939	if ($exit->slaying eq "/!") {
		1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1941	cf::sync_job { prepare_random_map $exit };
		1942	}
		1943
		1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1945	my $hp = $exit->stats->hp;
		1946	my $sp = $exit->stats->sp;
		1947
1654	$self->enter_link;	1948	$self->enter_link;
1655		1949
1656	(cf::async {	1950	(async {
1657	$self->deactivate_recursive; # just to be sure	1951	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1952	unless (eval {
1659	prepare_random_map $exit	1953	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		1954
1665	1;	1955	1;
1666	}) {	1956	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1957	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	1958	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	1959	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1960	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1961
1672	warn "ERROR in enter_exit: $@";	1962	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1963	$self->leave_link;
1674	}	1964	}
…		…
1729	# get handled first	2019	# get handled first
1730	my $queue = delete $ns->{query_queue}	2020	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2021	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2022
1733	(shift @$queue)->[1]->($msg);	2023	(shift @$queue)->[1]->($msg);
		2024	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2025
1735	push @{ $ns->{query_queue} }, @$queue;	2026	push @{ $ns->{query_queue} }, @$queue;
1736		2027
1737	if (@{ $ns->{query_queue} } == @$queue) {	2028	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2029	if (@$queue) {
…		…
1742	}	2033	}
1743	}	2034	}
1744	},	2035	},
1745	);	2036	);
1746		2037
1747	=item $client->coro (\&cb)	2038	=item $client->async (\&cb)
1748		2039
1749	Create a new coroutine, running the specified callback. The coroutine will	2040	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2041	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2042	or loss of connection).
1752		2043
1753	=cut	2044	=cut
1754		2045
1755	sub cf::client::coro {	2046	sub cf::client::async {
1756	my ($self, $cb) = @_;	2047	my ($self, $cb) = @_;
1757		2048
1758	my $coro = &cf::async ($cb);	2049	my $coro = &Coro::async ($cb);
1759		2050
1760	$coro->on_destroy (sub {	2051	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2052	delete $self->{_coro}{$coro+0};
1762	});	2053	});
1763		2054
…		…
1899	The parameter C<$family> should best start with the name of the extension	2190	The parameter C<$family> should best start with the name of the extension
1900	using it, it should be unique.	2191	using it, it should be unique.
1901		2192
1902	=over 4	2193	=over 4
1903		2194
1904	=item $hashref = cf::db_get $family
1905
1906	Return a hashref for use by the extension C<$family>, which can be
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909
1910	=item $value = cf::db_get $family => $key	2195	=item $value = cf::db_get $family => $key
1911		2196
1912	Returns a single value from the database	2197	Returns a single value from the database.
1913
1914	=item cf::db_put $family => $hashref
1915
1916	Stores the given family hashref into the database. Updates are delayed, if
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1918		2198
1919	=item cf::db_put $family => $key => $value	2199	=item cf::db_put $family => $key => $value
1920		2200
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you	2201	Stores the given C<$value> in the family.
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931		2202
1932	=cut	2203	=cut
1933		2204
1934	our $DB;	2205	our $DB;
1935		2206
1936	{	2207	sub db_init {
		2208	unless ($DB) {
		2209	$DB = BDB::db_create $DB_ENV;
		2210
		2211	cf::sync_job {
		2212	eval {
		2213	$DB->set_flags (BDB::CHKSUM);
		2214
		2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2217	cf::cleanup "db_open(db): $!" if $!;
		2218	};
		2219	cf::cleanup "db_open(db): $@" if $@;
		2220	};
		2221
1937	my $path = cf::localdir . "/database.pst";	2222	my $path = cf::localdir . "/database.pst";
		2223	if (stat $path) {
		2224	cf::sync_job {
		2225	my $pst = Storable::retrieve $path;
1938		2226
1939	sub db_load() {	2227	cf::db_put (board => data => $pst->{board});
1940	$DB = stat $path ? Storable::retrieve $path : { };	2228	cf::db_put (guildrules => data => $pst->{guildrules});
1941	}	2229	cf::db_put (rent => balance => $pst->{rent}{balance});
		2230	BDB::db_env_txn_checkpoint $DB_ENV;
1942		2231
1943	my $pid;	2232	unlink $path;
1944
1945	sub db_save() {
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}	2233	};
1953	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});
1965
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}
1970
1971	sub db_get($;$) {
1972	@_ >= 2
1973	? $DB->{$_[0]}{$_[1]}
1974	: ($DB->{$_[0]} ||= { })
1975	}
1976
1977	sub db_put($$;$) {
1978	if (@_ >= 3) {
1979	$DB->{$_[0]}{$_[1]} = $_[2];
1980	} else {
1981	$DB->{$_[0]} = $_[1];
1982	}
1983	db_dirty;
1984	}
1985
1986	cf::global->attach (
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},	2234	}
1991	);	2235	}
		2236	}
		2237
		2238	sub db_get($$) {
		2239	my $key = "$_[0]/$_[1]";
		2240
		2241	cf::sync_job {
		2242	BDB::db_get $DB, undef, $key, my $data;
		2243
		2244	$! ? ()
		2245	: Compress::LZF::sthaw $data
		2246	}
		2247	}
		2248
		2249	sub db_put($$$) {
		2250	BDB::dbreq_pri 4;
		2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1992	}	2252	}
1993		2253
1994	#############################################################################	2254	#############################################################################
1995	# the server's main()	2255	# the server's init and main functions
		2256
		2257	sub init_resources {
		2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2259	or die "unable to load regions file\n";#d#
		2260	}
1996		2261
1997	sub cfg_load {	2262	sub cfg_load {
1998	open my $fh, "<:utf8", cf::confdir . "/config"	2263	open my $fh, "<:utf8", cf::confdir . "/config"
1999	or return;	2264	or return;
2000		2265
2001	local $/;	2266	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2267	*CFG = YAML::Syck::Load <$fh>;
2003		2268
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2270
		2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2273
2006	if (exists $CFG{mlockall}) {	2274	if (exists $CFG{mlockall}) {
2007	eval {	2275	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2276	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2277	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2278	};
2011	warn $@ if $@;	2279	warn $@ if $@;
2012	}	2280	}
		2281	}
		2282
		2283	sub init {
		2284	init_resources;
2013	}	2285	}
2014		2286
2015	sub main {	2287	sub main {
2016	# we must not ever block the main coroutine	2288	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2289	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2291	(async {
2020	Event::one_event;	2292	Event::one_event;
2021	})->();	2293	})->prio (Coro::PRIO_MAX);
2022	};	2294	};
2023		2295
2024	cfg_load;	2296	cfg_load;
2025	db_load;	2297	db_init;
2026	load_extensions;	2298	load_extensions;
		2299
		2300	$TICK_WATCHER->start;
2027	Event::loop;	2301	Event::loop;
2028	}	2302	}
2029		2303
2030	#############################################################################	2304	#############################################################################
2031	# initialisation	2305	# initialisation and cleanup
		2306
		2307	# install some emergency cleanup handlers
		2308	BEGIN {
		2309	for my $signal (qw(INT HUP TERM)) {
		2310	Event->signal (
		2311	reentrant => 0,
		2312	data => WF_AUTOCANCEL,
		2313	signal => $signal,
		2314	prio => 0,
		2315	cb => sub {
		2316	cf::cleanup "SIG$signal";
		2317	},
		2318	);
		2319	}
		2320	}
		2321
		2322	sub emergency_save() {
		2323	my $freeze_guard = cf::freeze_mainloop;
		2324
		2325	warn "enter emergency perl save\n";
		2326
		2327	cf::sync_job {
		2328	# use a peculiar iteration method to avoid tripping on perl
		2329	# refcount bugs in for. also avoids problems with players
		2330	# and maps saved/destroyed asynchronously.
		2331	warn "begin emergency player save\n";
		2332	for my $login (keys %cf::PLAYER) {
		2333	my $pl = $cf::PLAYER{$login} or next;
		2334	$pl->valid or next;
		2335	$pl->save;
		2336	}
		2337	warn "end emergency player save\n";
		2338
		2339	warn "begin emergency map save\n";
		2340	for my $path (keys %cf::MAP) {
		2341	my $map = $cf::MAP{$path} or next;
		2342	$map->valid or next;
		2343	$map->save;
		2344	}
		2345	warn "end emergency map save\n";
		2346
		2347	warn "begin emergency database checkpoint\n";
		2348	BDB::db_env_txn_checkpoint $DB_ENV;
		2349	warn "end emergency database checkpoint\n";
		2350	};
		2351
		2352	warn "leave emergency perl save\n";
		2353	}
		2354
		2355	sub post_cleanup {
		2356	my ($make_core) = @_;
		2357
		2358	warn Carp::longmess "post_cleanup backtrace"
		2359	if $make_core;
		2360	}
2032		2361
2033	sub reload() {	2362	sub reload() {
2034	# can/must only be called in main	2363	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2037	return;	2366	return;
2038	}	2367	}
2039		2368
2040	warn "reloading...";	2369	warn "reloading...";
2041		2370
2042	my $guard = freeze_mainloop;	2371	warn "entering sync_job";
		2372
		2373	cf::sync_job {
		2374	cf::write_runtime; # external watchdog should not bark
2043	cf::emergency_save;	2375	cf::emergency_save;
		2376	cf::write_runtime; # external watchdog should not bark
2044		2377
2045	eval {	2378	warn "syncing database to disk";
		2379	BDB::db_env_txn_checkpoint $DB_ENV;
		2380
2046	# if anything goes wrong in here, we should simply crash as we already saved	2381	# if anything goes wrong in here, we should simply crash as we already saved
2047		2382
2048	# cancel all watchers	2383	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2384	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2386	}
2052		2387
		2388	warn "flushing outstanding aio requests";
		2389	for (;;) {
		2390	BDB::flush;
		2391	IO::AIO::flush;
		2392	Coro::cede;
		2393	last unless IO::AIO::nreqs || BDB::nreqs;
		2394	warn "iterate...";
		2395	}
		2396
2053	# cancel all extension coros	2397	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2398	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2399	%EXT_CORO = ();
2056		2400
2057	# unload all extensions	2401	warn "removing commands";
2058	for (@exts) {	2402	%COMMAND = ();
		2403
		2404	warn "removing ext commands";
		2405	%EXTCMD = ();
		2406
		2407	warn "unloading/nuking all extensions";
		2408	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2409	warn "... unloading $pkg";
2060	unload_extension $_;	2410
		2411	if (my $cb = $pkg->can ("unload")) {
		2412	eval {
		2413	$cb->($pkg);
		2414	1
		2415	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2416	}
2062		2417
		2418	warn "... nuking $pkg";
		2419	Symbol::delete_package $pkg;
		2420	}
		2421
2063	# unload all modules loaded from $LIBDIR	2422	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2423	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2425
2067	warn "removing <$k>";	2426	warn "... unloading $k";
2068	delete $INC{$k};	2427	delete $INC{$k};
2069		2428
2070	$k =~ s/\.pm$//;	2429	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2430	$k =~ s/\//::/g;
2072		2431
…		…
2075	}	2434	}
2076		2435
2077	Symbol::delete_package $k;	2436	Symbol::delete_package $k;
2078	}	2437	}
2079		2438
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2439	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2440	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2442
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2443	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2444	delete $INC{"cf.pm"};
2093		2445
2094	# don't, removes xs symbols, too,	2446	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2447	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2448	#Symbol::delete_package __PACKAGE__;
2097		2449
2098	# reload cf.pm	2450	warn "unload completed, starting to reload now";
		2451
2099	warn "reloading cf.pm";	2452	warn "reloading cf.pm";
2100	require cf;	2453	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2455
2103	# load config and database again	2456	warn "loading config and database again";
2104	cf::cfg_load;	2457	cf::cfg_load;
2105	cf::db_load;
2106		2458
2107	# load extensions
2108	warn "load extensions";	2459	warn "loading extensions";
2109	cf::load_extensions;	2460	cf::load_extensions;
2110		2461
2111	# reattach attachments to objects	2462	warn "reattaching attachments to objects/players";
2112	warn "reattach";
2113	_global_reattach;	2463	_global_reattach;
2114	};	2464	warn "reattaching attachments to maps";
		2465	reattach $_ for values %MAP;
2115		2466
2116	if ($@) {	2467	warn "loading reloadable resources";
		2468	init_resources;
		2469
		2470	warn "leaving sync_job";
		2471
		2472	1
		2473	} or do {
2117	warn $@;	2474	warn $@;
2118	warn "error while reloading, exiting.";	2475	warn "error while reloading, exiting.";
2119	exit 1;	2476	exit 1;
2120	}	2477	};
2121		2478
2122	warn "reloaded successfully";	2479	warn "reloaded";
2123	};	2480	};
2124		2481
2125	#############################################################################	2482	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2483
2170	register_command "reload" => sub {	2484	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2485	my ($who, $arg) = @_;
2172		2486
2173	if ($who->flag (FLAG_WIZ)) {	2487	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");	2488	$who->message ("reloading server.");
		2489
		2490	# doing reload synchronously and two reloads happen back-to-back,
		2491	# coro crashes during coro_state_free->destroy here.
		2492
		2493	$RELOAD_WATCHER ||= Event->timer (
		2494	reentrant => 0,
		2495	after => 0,
		2496	data => WF_AUTOCANCEL,
		2497	cb => sub {
2175	reload;	2498	reload;
2176	$who->message ("end of reload.");	2499	undef $RELOAD_WATCHER;
		2500	},
		2501	);
2177	}	2502	}
2178	};	2503	};
2179		2504
2180	unshift @INC, $LIBDIR;	2505	unshift @INC, $LIBDIR;
		2506
		2507	my $bug_warning = 0;
2181		2508
2182	$TICK_WATCHER = Event->timer (	2509	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2510	reentrant => 0,
		2511	parked => 1,
2184	prio => 0,	2512	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2513	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2514	data => WF_AUTOCANCEL,
2187	cb => sub {	2515	cb => sub {
		2516	if ($Coro::current != $Coro::main) {
		2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2518	unless ++$bug_warning > 10;
		2519	return;
		2520	}
		2521
		2522	$NOW = Event::time;
		2523
2188	cf::server_tick; # one server iteration	2524	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2525	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2526	$NEXT_TICK += $TICK;
		2527
		2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2529	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2530	Coro::async_pool {
		2531	write_runtime
		2532	or warn "ERROR: unable to write runtime file: $!";
		2533	};
		2534	}
		2535
		2536	$WAIT_FOR_TICK->broadcast;
		2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2538
		2539	# my $AFTER = Event::time;
		2540	# warn $AFTER - $NOW;#d#
2191		2541
2192	# if we are delayed by four ticks or more, skip them all	2542	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2544
2195	$TICK_WATCHER->at ($NEXT_TICK);	2545	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2546	$TICK_WATCHER->start;
2197	},	2547	},
2198	);	2548	);
2199		2549
		2550	{
2200	IO::AIO::max_poll_time $TICK * 0.2;	2551	BDB::max_poll_time $TICK * 0.1;
2201		2552	$BDB_POLL_WATCHER = Event->io (
2202	Event->io (	2553	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2554	fd => BDB::poll_fileno,
2204	poll => 'r',	2555	poll => 'r',
2205	prio => 5,	2556	prio => 0,
2206	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,
2208	);
2209
2210	Event->timer (
2211	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2212	after => 0,	2558	cb => \&BDB::poll_cb,
2213	interval => 10,	2559	);
2214	cb => sub {	2560	BDB::min_parallel 8;
2215	(Coro::unblock_sub {	2561
2216	write_runtime	2562	BDB::set_sync_prepare {
2217	or warn "ERROR: unable to write runtime file: $!";	2563	my $status;
		2564	my $current = $Coro::current;
		2565	(
		2566	sub {
		2567	$status = $!;
		2568	$current->ready; undef $current;
		2569	},
		2570	sub {
		2571	Coro::schedule while defined $current;
		2572	$! = $status;
		2573	},
		2574	)
		2575	};
		2576
		2577	unless ($DB_ENV) {
		2578	$DB_ENV = BDB::db_env_create;
		2579
		2580	cf::sync_job {
		2581	eval {
		2582	BDB::db_env_open
		2583	$DB_ENV,
		2584	$BDB_ENV_DIR,
		2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2587	0666;
		2588
		2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2590
		2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2592	$DB_ENV->set_lk_detect;
		2593	};
		2594
		2595	cf::cleanup "db_env_open(db): $@" if $@;
2218	})->();	2596	};
2219	},	2597	}
2220	);	2598	}
		2599
		2600	{
		2601	IO::AIO::min_parallel 8;
		2602
		2603	undef $Coro::AIO::WATCHER;
		2604	IO::AIO::max_poll_time $TICK * 0.1;
		2605	$AIO_POLL_WATCHER = Event->io (
		2606	reentrant => 0,
		2607	data => WF_AUTOCANCEL,
		2608	fd => IO::AIO::poll_fileno,
		2609	poll => 'r',
		2610	prio => 6,
		2611	cb => \&IO::AIO::poll_cb,
		2612	);
		2613	}
2221		2614
2222	END { cf::emergency_save }	2615	END { cf::emergency_save }
2223		2616
2224	1	2617	1
2225		2618

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