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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28		41
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
31		44
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		46
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		59
43	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	76	our $NEXT_TICK;
46	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
47		82
48	our %CFG;	83	our %CFG;
49		84
50	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	86	our $RUNTIME;
52		87
53	our %PLAYER; # all users	88	our %PLAYER; # all users
54	our %MAP; # all maps	89	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	91
57	our %EXT_CORO; # coroutines bound to extensions	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
58		98
59	binmode STDOUT;	99	binmode STDOUT;
60	binmode STDERR;	100	binmode STDERR;
61		101
62	# read virtual server time, if available	102	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
67	}	107	}
68		108
69	mkdir cf::localdir;	109	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		111
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
78		115
79	#############################################################################	116	#############################################################################
80		117
81	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
82		119
…		…
89	=item $cf::RUNTIME	126	=item $cf::RUNTIME
90		127
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	129	every server tick.
93		130
94	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		134
96	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
98		139
99	=item $cf::NOW	140	=item $cf::NOW
100		141
101	The time of the last (current) server tick.	142	The time of the last (current) server tick.
102		143
103	=item $cf::TICK	144	=item $cf::TICK
104		145
105	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
106		157
107	=item %cf::CFG	158	=item %cf::CFG
108		159
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	161	from wherever your confdir points to.
		162
		163	=item cf::wait_for_tick, cf::wait_for_tick_begin
		164
		165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		166	returns directly I<after> the tick processing (and consequently, can only wake one process
		167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		168
112	=back	169	=back
113		170
114	=cut	171	=cut
115		172
116	BEGIN {	173	BEGIN {
117	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	175	my $msg = join "", @_;
119	utf8::encode $msg;
120		176
121	$msg .= "\n"	177	$msg .= "\n"
122	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
123		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
124	LOG llevError, $msg;	183	LOG llevError, $msg;
125	};	184	};
126	}	185	}
127		186
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		194
135	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	196	# within the Safe compartment.
137	for my $pkg (qw(	197	for my $pkg (qw(
138	cf::global cf::attachable	198	cf::global cf::attachable
…		…
147		207
148	$Event::DIED = sub {	208	$Event::DIED = sub {
149	warn "error in event callback: @_";	209	warn "error in event callback: @_";
150	};	210	};
151		211
152	my %ext_pkg;	212	#############################################################################
153	my @exts;
154	my @hook;
155		213
156	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
157		215
158	=over 4	216	=over 4
159		217
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	237	$d
180	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
181	}	239	}
182		240
183	use JSON::Syck (); # TODO# replace by JSON::PC once working	241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
184		242
185	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
186		244
187	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
188		246
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
197		248
198	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
199
200	=cut
201
202	sub to_json($) {
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
204	JSON::Syck::Dump $_[0]
205	}
206		250
207	=item cf::lock_wait $string	251	=item cf::lock_wait $string
208		252
209	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
210		254
…		…
216	returned.	260	returned.
217		261
218	Lock names should begin with a unique identifier (for example, cf::map::find	262	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
220		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
221	=cut	269	=cut
222		270
223	our %LOCK;	271	our %LOCK;
224		272
225	sub lock_wait($) {	273	sub lock_wait($) {
…		…
244	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
246	}	294	}
247	}	295	}
248		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
249	sub freeze_mainloop {	303	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
251		305
252	my $guard = Coro::guard { $TICK_WATCHER->start };	306	my $guard = Coro::guard {
		307	$TICK_WATCHER->start;
		308	};
253	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
254	$guard	310	$guard
255	}	311	}
256		312
257	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
264		320
265	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
266		322
267	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
268		324
269	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
272		329
273	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
276	fast or be very important.	333	fast or be very important.
…		…
279		336
280	sub sync_job(&) {	337	sub sync_job(&) {
281	my ($job) = @_;	338	my ($job) = @_;
282		339
283	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
284	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
286		345
287	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
288	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
299		358
300	while ($busy) {	359	while ($busy) {
301	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
302	}	361	}
303		362
		363	$time = Event::time - $time;
		364
		365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		367
		368	$tick_start += $time; # do not account sync jobs to server load
		369
304	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
305	} else {	371	} else {
306	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
307		373
308	$job->()	374	$job->()
309	}	375	}
310	}	376	}
311		377
312	=item $coro = cf::async_ext { BLOCK }	378	=item $coro = cf::async_ext { BLOCK }
313		379
314	Like async, but this coro is automcatially being canceled when the	380	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	381	extension calling this is being unloaded.
316		382
317	=cut	383	=cut
318		384
319	sub async_ext(&) {	385	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
328		394
329	$coro	395	$coro
330	}	396	}
331		397
332	sub write_runtime {	398	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		399
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
336	or return;	401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
337		404
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	405	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		406
342	aio_fsync $fh	407	sub fork_call(&@) {
343	and return;	408	my ($cb, @args) = @_;
344		409
		410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
		414
		415	if (my $pid = fork) {
345	close $fh	416	close $fh2;
346	or return;
347		417
348	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
349	and return;	419	$res = Coro::Storable::thaw $res;
350		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
351	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
		556	}
		557
		558	=item cf::datalog type => key => value, ...
		559
		560	Log a datalog packet of the given type with the given key-value pairs.
		561
		562	=cut
		563
		564	sub datalog($@) {
		565	my ($type, %kv) = @_;
		566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	567	}
353		568
354	=back	569	=back
355		570
356	=cut	571	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		572
480	#############################################################################	573	#############################################################################
481		574
482	=head2 ATTACHABLE OBJECTS	575	=head2 ATTACHABLE OBJECTS
483		576
…		…
485	attach callbacks/event handlers (a collection of which is called an "attachment")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
486	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
487		580
488	In the following description, CLASS can be any of C<global>, C<object>	581	In the following description, CLASS can be any of C<global>, C<object>
489	C<player>, C<client> or C<map> (i.e. the attachable objects in	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
490	crossfire+).	583	Crossfire TRT).
491		584
492	=over 4	585	=over 4
493		586
494	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
495		588
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	703	our @CB_MAP = ();
611		704
612	my %attachment;	705	my %attachment;
613		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
614	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
616		715
617	use sort 'stable';	716	use sort 'stable';
618		717
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
653		752
654	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		757
659	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	759	my $pkg = shift @arg;
661		760
662	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
692	}	791	}
693		792
694	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
695	} else {	794	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	796	}
698		797
699	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
700	}	799	}
701		800
…		…
703	if (ref $_[0]) {	802	if (ref $_[0]) {
704	_object_attach @_;	803	_object_attach @_;
705	} else {	804	} else {
706	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
707	}	806	}
		807	_recalc_want;
708	};	808	};
709		809
710	# all those should be optimised	810	# all those should be optimised
711	sub cf::attachable::detach {	811	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
716	reattach ($obj);	816	reattach ($obj);
717	} else {	817	} else {
718	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
719	}	819	}
		820	_recalc_want;
720	};	821	};
721		822
722	sub cf::attachable::attached {	823	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
724		825
…		…
789	# object support	890	# object support
790		891
791	sub reattach {	892	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		897
795	my $registry = $obj->registry;	898	my $registry = $obj->registry;
796		899
797	@$registry = ();	900	@$registry = ();
798		901
…		…
845	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
846		949
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	954	close $fh;
852		955
853	if (@$objs) {	956	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	962	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
861	}	964	}
862	} else {	965	} else {
863	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
895	or return;	998	or return;
896	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
897	}	1000	}
898		1001
899	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
901	return ($data, $av);	1004	return ($data, $av);
902	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
903		1012
904	#############################################################################	1013	#############################################################################
905	# command handling &c	1014	# command handling &c
906		1015
907	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1030	}
922		1031
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1033
925	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
926		1035
927	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
928	called.	1037	called.
929		1038
930	=cut	1039	=cut
931		1040
932	sub register_extcmd {	1041	sub register_extcmd {
933	my ($name, $cb) = @_;	1042	my ($name, $cb) = @_;
934		1043
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1044	$EXTCMD{$name} = $cb;
939	}	1045	}
940		1046
941	cf::player->attach (	1047	cf::player->attach (
942	on_command => sub {	1048	on_command => sub {
943	my ($pl, $name, $params) = @_;	1049	my ($pl, $name, $params) = @_;
…		…
956		1062
957	my $msg = eval { from_json $buf };	1063	my $msg = eval { from_json $buf };
958		1064
959	if (ref $msg) {	1065	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1067	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	1068	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	1069	}
964	}	1070	}
965	} else {	1071	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		1074
969	cf::override;	1075	cf::override;
970	},	1076	},
971	);	1077	);
972		1078
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {
980	my ($path) = @_;
981
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;
984	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}
1048
1049	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
1050	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1084	next unless -r $path;
1052	eval {	1085
1053	load_extension $ext;	1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
1054	1	1143	}
1055	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
1056	}	1149	};
1057	}	1150	}
1058		1151
1059	#############################################################################	1152	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1153
1062	*cf::mapsupport::on_clean = sub {	1154	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1155
1097	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
1098		1157
1099	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
1100		1159
…		…
1113	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
1114		1173
1115	=cut	1174	=cut
1116		1175
1117	sub playerdir($) {	1176	sub playerdir($) {
1118	cf::localdir	1177	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1179	}
1124		1180
1125	sub path($) {	1181	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1183
1128	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
1129	}	1185	}
1130		1186
1131	sub find_active($) {	1187	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
1136		1192
1137	sub exists($) {	1193	sub exists($) {
1138	my ($login) = @_;	1194	my ($login) = @_;
1139		1195
1140	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
1142	}	1198	}
1143		1199
1144	sub find($) {	1200	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1202	my $login = $_[0];
1147		1203
1148	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
1149		1205
1150	$cf::PLAYER{$_[0]} || do {	1206	$cf::PLAYER{$_[0]} || do {
		1207	# rename old playerfiles to new ones
		1208	#TODO: remove when no longer required
		1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1212	aio_unlink +(playerdir $login) . "/$login.pl";
		1213
1151	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
1152	or return;	1215	or return;
1153	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
1154	}	1217	}
1155	}	1218	}
…		…
1192		1255
1193	=cut	1256	=cut
1194		1257
1195	sub quit_character {	1258	sub quit_character {
1196	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1197		1262
1198	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1264	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1265
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1275	$pl->destroy;
		1276
		1277	my $prefix = qr<^~\Q$name\E/>;
		1278
		1279	# nuke player maps
		1280	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1281
1211	IO::AIO::aio_rmtree $temp;	1282	IO::AIO::aio_rmtree $temp;
		1283	}
		1284
		1285	=item $pl->kick
		1286
		1287	Kicks a player out of the game. This destroys the connection.
		1288
		1289	=cut
		1290
		1291	sub kick {
		1292	my ($pl, $kicker) = @_;
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1295	$pl->killer ("kicked");
		1296	$pl->ns->destroy;
1212	}	1297	}
1213		1298
1214	=item cf::player::list_logins	1299	=item cf::player::list_logins
1215		1300
1216	Returns am arrayref of all valid playernames in the system, can take a	1301	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1218		1303
1219	=cut	1304	=cut
1220		1305
1221	sub list_logins {	1306	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1308	or return [];
1224		1309
1225	my @logins;	1310	my @logins;
1226		1311
1227	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1314	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1315	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1316
1232	utf8::decode $login;	1317	utf8::decode $login;
1233	push @logins, $login;	1318	push @logins, $login;
1234	}	1319	}
1235		1320
1236	\@logins	1321	\@logins
1237	}	1322	}
1238		1323
1239	=item $player->maps	1324	=item $player->maps
1240		1325
1241	Returns an arrayref of cf::path's of all maps that are private for this	1326	Returns an arrayref of map paths that are private for this
1242	player. May block.	1327	player. May block.
1243		1328
1244	=cut	1329	=cut
1245		1330
1246	sub maps($) {	1331	sub maps($) {
1247	my ($pl) = @_;	1332	my ($pl) = @_;
		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1335
1249	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1250	or return;	1337	or return;
1251		1338
1252	my @paths;	1339	my @paths;
1253		1340
1254	for (@$files) {	1341	for (@$files) {
1255	utf8::decode $_;	1342	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1344	next unless /^$PATH_SEP/o;
1258		1345
1259	s/$PATH_SEP/\//g;	1346	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1347	}
1262		1348
1263	\@paths	1349	\@paths
1264	}	1350	}
1265		1351
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1352	=item $player->ext_reply ($msgid, %msg)
1267		1353
1268	Sends an ext reply to the player.	1354	Sends an ext reply to the player.
1269		1355
1270	=cut	1356	=cut
1271		1357
1272	sub ext_reply($$$%) {	1358	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1359	my ($self, $id, %msg) = @_;
1274		1360
1275	$msg{msgid} = $id;	1361	$msg{msgid} = $id;
1276		1362
1277	$self->send ("ext " . cf::to_json \%msg);	1363	$self->send ("ext " . cf::to_json \%msg);
1278	}	1364	}
1279		1365
1280	package cf;	1366	=item $player->ext_event ($type, %msg)
		1367
		1368	Sends an ext event to the client.
		1369
		1370	=cut
		1371
		1372	sub ext_event($$%) {
		1373	my ($self, $type, %msg) = @_;
		1374
		1375	$self->ns->ext_event ($type, %msg);
		1376	}
		1377
		1378	=head3 cf::region
		1379
		1380	=over 4
		1381
		1382	=cut
		1383
		1384	package cf::region;
		1385
		1386	=item cf::region::find_by_path $path
		1387
		1388	Tries to decuce the likely region for a map knowing only its path.
		1389
		1390	=cut
		1391
		1392	sub find_by_path($) {
		1393	my ($path) = @_;
		1394
		1395	my ($match, $specificity);
		1396
		1397	for my $region (list) {
		1398	if ($region->match && $path =~ $region->match) {
		1399	($match, $specificity) = ($region, $region->specificity)
		1400	if $region->specificity > $specificity;
		1401	}
		1402	}
		1403
		1404	$match
		1405	}
1281		1406
1282	=back	1407	=back
1283
1284		1408
1285	=head3 cf::map	1409	=head3 cf::map
1286		1410
1287	=over 4	1411	=over 4
1288		1412
…		…
1291	package cf::map;	1415	package cf::map;
1292		1416
1293	use Fcntl;	1417	use Fcntl;
1294	use Coro::AIO;	1418	use Coro::AIO;
1295		1419
		1420	use overload
		1421	'""' => \&as_string,
		1422	fallback => 1;
		1423
1296	our $MAX_RESET = 3600;	1424	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1425	our $DEFAULT_RESET = 3000;
1298		1426
1299	sub generate_random_map {	1427	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1428	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1429	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1430	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1434	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1435	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1441	(cf::region::find $rmp->{region}), $rmp->{custom}
		1442	)
		1443	}
		1444
		1445	=item cf::map->register ($regex, $prio)
		1446
		1447	Register a handler for the map path matching the given regex at the
		1448	givne priority (higher is better, built-in handlers have priority 0, the
		1449	default).
		1450
		1451	=cut
		1452
		1453	sub register {
		1454	my (undef, $regex, $prio) = @_;
		1455	my $pkg = caller;
		1456
		1457	no strict;
		1458	push @{"$pkg\::ISA"}, __PACKAGE__;
		1459
		1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1461	}
		1462
		1463	# also paths starting with '/'
		1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1465
		1466	sub thawer_merge {
		1467	my ($self, $merge) = @_;
		1468
		1469	# we have to keep some variables in memory intact
		1470	local $self->{path};
		1471	local $self->{load_path};
		1472
		1473	$self->SUPER::thawer_merge ($merge);
		1474	}
		1475
		1476	sub normalise {
		1477	my ($path, $base) = @_;
		1478
		1479	$path = "$path"; # make sure its a string
		1480
		1481	$path =~ s/\.map$//;
		1482
		1483	# map plan:
		1484	#
		1485	# /! non-realised random map exit (special hack!)
		1486	# {... are special paths that are not being touched
		1487	# ?xxx/... are special absolute paths
		1488	# ?random/... random maps
		1489	# /... normal maps
		1490	# ~user/... per-player map of a specific user
		1491
		1492	$path =~ s/$PATH_SEP/\//go;
		1493
		1494	# treat it as relative path if it starts with
		1495	# something that looks reasonable
		1496	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1497	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1498
		1499	$base =~ s{[^/]+/?$}{};
		1500	$path = "$base/$path";
		1501	}
		1502
		1503	for ($path) {
		1504	redo if s{//}{/};
		1505	redo if s{/\.?/}{/};
		1506	redo if s{/[^/]+/\.\./}{/};
		1507	}
		1508
		1509	$path
		1510	}
		1511
		1512	sub new_from_path {
		1513	my (undef, $path, $base) = @_;
		1514
		1515	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1516
		1517	$path = normalise $path, $base;
		1518
		1519	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1520	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1521	my $self = bless cf::map::new, $pkg;
		1522	$self->{path} = $path; $self->path ($path);
		1523	$self->init; # pass $1 etc.
		1524	return $self;
		1525	}
		1526	}
		1527
		1528	Carp::carp "unable to resolve path '$path' (base '$base').";
		1529	()
		1530	}
		1531
		1532	sub init {
		1533	my ($self) = @_;
		1534
		1535	$self
		1536	}
		1537
		1538	sub as_string {
		1539	my ($self) = @_;
		1540
		1541	"$self->{path}"
		1542	}
		1543
		1544	# the displayed name, this is a one way mapping
		1545	sub visible_name {
		1546	&as_string
		1547	}
		1548
		1549	# the original (read-only) location
		1550	sub load_path {
		1551	my ($self) = @_;
		1552
		1553	"$MAPDIR/$self->{path}.map"
		1554	}
		1555
		1556	# the temporary/swap location
		1557	sub save_path {
		1558	my ($self) = @_;
		1559
		1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1561	"$TMPDIR/$path.map"
		1562	}
		1563
		1564	# the unique path, undef == no special unique path
		1565	sub uniq_path {
		1566	my ($self) = @_;
		1567
		1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1569	"$UNIQUEDIR/$path"
1316	}	1570	}
1317		1571
1318	# and all this just because we cannot iterate over	1572	# and all this just because we cannot iterate over
1319	# all maps in C++...	1573	# all maps in C++...
1320	sub change_all_map_light {	1574	sub change_all_map_light {
…		…
1322		1576
1323	$_->change_map_light ($change)	1577	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1578	for grep $_->outdoor, values %cf::MAP;
1325	}	1579	}
1326		1580
		1581	sub decay_objects {
		1582	my ($self) = @_;
		1583
		1584	return if $self->{deny_reset};
		1585
		1586	$self->do_decay_objects;
		1587	}
		1588
		1589	sub unlink_save {
		1590	my ($self) = @_;
		1591
		1592	utf8::encode (my $save = $self->save_path);
		1593	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1594	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1595	}
		1596
1327	sub try_load_header($) {	1597	sub load_header_from($) {
1328	my ($path) = @_;	1598	my ($self, $path) = @_;
1329		1599
1330	utf8::encode $path;	1600	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1601	#aio_open $path, O_RDONLY, 0
		1602	# or return;
		1603
		1604	$self->_load_header ($path)
1332	or return;	1605	or return;
1333		1606
1334	my $map = cf::map::new	1607	$self->{load_path} = $path;
		1608
		1609	1
		1610	}
		1611
		1612	sub load_header_orig {
		1613	my ($self) = @_;
		1614
		1615	$self->load_header_from ($self->load_path)
		1616	}
		1617
		1618	sub load_header_temp {
		1619	my ($self) = @_;
		1620
		1621	$self->load_header_from ($self->save_path)
		1622	}
		1623
		1624	sub prepare_temp {
		1625	my ($self) = @_;
		1626
		1627	$self->last_access ((delete $self->{last_access})
		1628	|| $cf::RUNTIME); #d#
		1629	# safety
		1630	$self->{instantiate_time} = $cf::RUNTIME
		1631	if $self->{instantiate_time} > $cf::RUNTIME;
		1632	}
		1633
		1634	sub prepare_orig {
		1635	my ($self) = @_;
		1636
		1637	$self->{load_original} = 1;
		1638	$self->{instantiate_time} = $cf::RUNTIME;
		1639	$self->last_access ($cf::RUNTIME);
		1640	$self->instantiate;
		1641	}
		1642
		1643	sub load_header {
		1644	my ($self) = @_;
		1645
		1646	if ($self->load_header_temp) {
		1647	$self->prepare_temp;
		1648	} else {
		1649	$self->load_header_orig
1335	or return;	1650	or return;
		1651	$self->prepare_orig;
		1652	}
1336		1653
1337	# for better error messages only, will be overwritten	1654	$self->{deny_reset} = 1
1338	$map->path ($path);	1655	if $self->no_reset;
1339		1656
1340	$map->load_header ($path)	1657	$self->default_region (cf::region::find_by_path $self->{path})
1341	or return;	1658	unless $self->default_region;
1342		1659
1343	$map->{load_path} = $path;	1660	1
1344
1345	$map
1346	}	1661	}
1347		1662
1348	sub find;	1663	sub find;
1349	sub find {	1664	sub find {
1350	my ($path, $origin) = @_;	1665	my ($path, $origin) = @_;
1351		1666
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1667	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1668
1357	cf::lock_wait "map_find:$key";	1669	cf::lock_wait "map_find:$path";
1358		1670
1359	$cf::MAP{$key} || do {	1671	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1672	my $guard = cf::lock_acquire "map_find:$path";
1361		1673	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1674	or return;
1381		1675
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1676	$map->{last_save} = $cf::RUNTIME;
1394		1677
1395	Coro::cede;	1678	$map->load_header
		1679	or return;
1396		1680
1397	if ($map->should_reset) {	1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1682	# doing this can freeze the server in a sync job, obviously
		1683	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1684	$map->reset;
1399	undef $guard;	1685	undef $guard;
1400	$map = find $path	1686	return find $path;
1401	or return;
1402	}	1687	}
1403		1688
1404	$cf::MAP{$key} = $map	1689	$cf::MAP{$path} = $map
1405	}	1690	}
1406	}	1691	}
		1692
		1693	sub pre_load { }
		1694	sub post_load { }
1407		1695
1408	sub load {	1696	sub load {
1409	my ($self) = @_;	1697	my ($self) = @_;
1410		1698
		1699	local $self->{deny_reset} = 1; # loading can take a long time
		1700
1411	my $path = $self->{path};	1701	my $path = $self->{path};
		1702
		1703	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1704	my $guard = cf::lock_acquire "map_load:$path";
1413		1705
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1706	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1707
1416	$self->in_memory (cf::MAP_LOADING);	1708	$self->in_memory (cf::MAP_LOADING);
1417		1709
1418	$self->alloc;	1710	$self->alloc;
		1711
		1712	$self->pre_load;
		1713	Coro::cede;
		1714
1419	$self->load_objects ($self->{load_path}, 1)	1715	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1716	or return;
1421		1717
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1719	if delete $self->{load_original};
1424		1720
1425	if (my $uniq = $path->uniq_path) {	1721	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1722	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1723	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1724	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1725	$self->_load_objects ($uniq, 0);
1430	}	1726	}
1431	}	1727	}
1432		1728
1433	Coro::cede;	1729	Coro::cede;
1434
1435	# now do the right thing for maps	1730	# now do the right thing for maps
1436	$self->link_multipart_objects;	1731	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1732	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1733	unless $self->difficulty;
		1734	Coro::cede;
		1735
		1736	unless ($self->{deny_activate}) {
		1737	$self->decay_objects;
		1738	$self->fix_auto_apply;
		1739	$self->update_buttons;
		1740	Coro::cede;
		1741	$self->set_darkness_map;
		1742	Coro::cede;
1448	$self->activate;	1743	$self->activate;
1449	}	1744	}
1450		1745
1451	Coro::cede;
1452
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1746	$self->in_memory (cf::MAP_IN_MEMORY);
		1747	}
		1748
		1749	$self->post_load;
		1750	}
		1751
		1752	sub customise_for {
		1753	my ($self, $ob) = @_;
		1754
		1755	return find "~" . $ob->name . "/" . $self->{path}
		1756	if $self->per_player;
		1757
		1758	# return find "?party/" . $ob->name . "/" . $self->{path}
		1759	# if $self->per_party;
		1760
		1761	$self
		1762	}
		1763
		1764	# find and load all maps in the 3x3 area around a map
		1765	sub load_diag {
		1766	my ($map) = @_;
		1767
		1768	my @diag; # diagonal neighbours
		1769
		1770	for (0 .. 3) {
		1771	my $neigh = $map->tile_path ($_)
		1772	or next;
		1773	$neigh = find $neigh, $map
		1774	or next;
		1775	$neigh->load;
		1776
		1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1779	}
		1780
		1781	for (@diag) {
		1782	my $neigh = find @$_
		1783	or next;
		1784	$neigh->load;
		1785	}
1454	}	1786	}
1455		1787
1456	sub find_sync {	1788	sub find_sync {
1457	my ($path, $origin) = @_;	1789	my ($path, $origin) = @_;
1458		1790
1459	cf::sync_job { cf::map::find $path, $origin }	1791	cf::sync_job { find $path, $origin }
1460	}	1792	}
1461		1793
1462	sub do_load_sync {	1794	sub do_load_sync {
1463	my ($map) = @_;	1795	my ($map) = @_;
1464		1796
1465	cf::sync_job { $map->load };	1797	cf::sync_job { $map->load };
1466	}	1798	}
1467		1799
		1800	our %MAP_PREFETCH;
		1801	our $MAP_PREFETCHER = undef;
		1802
		1803	sub find_async {
		1804	my ($path, $origin) = @_;
		1805
		1806	$path = normalise $path, $origin && $origin->{path};
		1807
		1808	if (my $map = $cf::MAP{$path}) {
		1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1810	}
		1811
		1812	undef $MAP_PREFETCH{$path};
		1813	$MAP_PREFETCHER ||= cf::async {
		1814	while (%MAP_PREFETCH) {
		1815	for my $path (keys %MAP_PREFETCH) {
		1816	my $map = find $path
		1817	or next;
		1818	$map->load;
		1819
		1820	delete $MAP_PREFETCH{$path};
		1821	}
		1822	}
		1823	undef $MAP_PREFETCHER;
		1824	};
		1825	$MAP_PREFETCHER->prio (6);
		1826
		1827	()
		1828	}
		1829
1468	sub save {	1830	sub save {
1469	my ($self) = @_;	1831	my ($self) = @_;
1470		1832
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1834
1473	$self->{last_save} = $cf::RUNTIME;	1835	$self->{last_save} = $cf::RUNTIME;
1474		1836
1475	return unless $self->dirty;	1837	return unless $self->dirty;
1476		1838
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1839	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1840	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1841
1480	$self->{load_path} = $save;	1842	$self->{load_path} = $save;
1481		1843
1482	return if $self->{deny_save};	1844	return if $self->{deny_save};
1483		1845
…		…
1486	cf::async {	1848	cf::async {
1487	$_->contr->save for $self->players;	1849	$_->contr->save for $self->players;
1488	};	1850	};
1489		1851
1490	if ($uniq) {	1852	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1855	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1857	}
1496	}	1858	}
1497		1859
1498	sub swap_out {	1860	sub swap_out {
1499	my ($self) = @_;	1861	my ($self) = @_;
…		…
1513		1875
1514	sub reset_at {	1876	sub reset_at {
1515	my ($self) = @_;	1877	my ($self) = @_;
1516		1878
1517	# TODO: safety, remove and allow resettable per-player maps	1879	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	1880	return 1e99 if $self->{deny_reset};
1520		1881
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1882	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1883	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1884
…		…
1528	my ($self) = @_;	1889	my ($self) = @_;
1529		1890
1530	$self->reset_at <= $cf::RUNTIME	1891	$self->reset_at <= $cf::RUNTIME
1531	}	1892	}
1532		1893
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1894	sub reset {
1555	my ($self) = @_;	1895	my ($self) = @_;
1556		1896
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1897	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1898
1559	return if $self->players;	1899	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		1900
1562	warn "resetting map ", $self->path;#d#	1901	warn "resetting map ", $self->path;
		1902
		1903	$self->in_memory (cf::MAP_SWAPPED);
		1904
		1905	# need to save uniques path
		1906	unless ($self->{deny_save}) {
		1907	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1908
		1909	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1910	if $uniq;
		1911	}
1563		1912
1564	delete $cf::MAP{$self->path};	1913	delete $cf::MAP{$self->path};
		1914
		1915	$self->clear;
1565		1916
1566	$_->clear_links_to ($self) for values %cf::MAP;	1917	$_->clear_links_to ($self) for values %cf::MAP;
1567		1918
1568	$self->unlink_save;	1919	$self->unlink_save;
1569	$self->destroy;	1920	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1923	my $nuke_counter = "aaaa";
1573		1924
1574	sub nuke {	1925	sub nuke {
1575	my ($self) = @_;	1926	my ($self) = @_;
1576		1927
		1928	delete $cf::MAP{$self->path};
		1929
		1930	$self->unlink_save;
		1931
		1932	bless $self, "cf::map";
		1933	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1934	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1935	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1937
		1938	$cf::MAP{$self->path} = $self;
		1939
1580	$self->reset; # polite request, might not happen	1940	$self->reset; # polite request, might not happen
1581	}	1941	}
1582		1942
1583	sub customise_for {	1943	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		1944
1586	if ($map->per_player) {	1945	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1946	maps. May block.
		1947
		1948	=cut
		1949
		1950	sub tmp_maps() {
1588	}	1951	[
1589		1952	map {
1590	$map	1953	utf8::decode $_;
		1954	/\.map$/
		1955	? normalise $_
		1956	: ()
		1957	} @{ aio_readdir $TMPDIR or [] }
		1958	]
1591	}	1959	}
1592		1960
1593	sub emergency_save {	1961	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		1962
1596	warn "enter emergency perl save\n";	1963	Returns an arrayref with all map paths of currently instantiated and saved
		1964	random maps. May block.
1597		1965
1598	cf::sync_job {	1966	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		1967
1603	warn "begin emergency map save\n";	1968	sub random_maps() {
1604	$_->save for values %cf::MAP;	1969	[
1605	warn "end emergency map save\n";	1970	map {
1606	};	1971	utf8::decode $_;
		1972	/\.map$/
		1973	? normalise "?random/$_"
		1974	: ()
		1975	} @{ aio_readdir $RANDOMDIR or [] }
		1976	]
		1977	}
1607		1978
1608	warn "leave emergency perl save\n";	1979	=item cf::map::unique_maps
		1980
		1981	Returns an arrayref of paths of all shared maps that have
		1982	instantiated unique items. May block.
		1983
		1984	=cut
		1985
		1986	sub unique_maps() {
		1987	[
		1988	map {
		1989	utf8::decode $_;
		1990	/\.map$/
		1991	? normalise $_
		1992	: ()
		1993	} @{ aio_readdir $UNIQUEDIR or [] }
		1994	]
1609	}	1995	}
1610		1996
1611	package cf;	1997	package cf;
1612		1998
1613	=back	1999	=back
1614		2000
		2001	=head3 cf::object
		2002
		2003	=cut
		2004
		2005	package cf::object;
		2006
		2007	=over 4
		2008
		2009	=item $ob->inv_recursive
		2010
		2011	Returns the inventory of the object _and_ their inventories, recursively.
		2012
		2013	=cut
		2014
		2015	sub inv_recursive_;
		2016	sub inv_recursive_ {
		2017	map { $_, inv_recursive_ $_->inv } @_
		2018	}
		2019
		2020	sub inv_recursive {
		2021	inv_recursive_ inv $_[0]
		2022	}
		2023
		2024	package cf;
		2025
		2026	=back
1615		2027
1616	=head3 cf::object::player	2028	=head3 cf::object::player
1617		2029
1618	=over 4	2030	=over 4
1619		2031
…		…
1659		2071
1660	=item $player_object->enter_link	2072	=item $player_object->enter_link
1661		2073
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2074	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2075
1664	The player should be reaosnably safe there for short amounts of time. You	2076	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	2077	I<MUST> call C<leave_link> as soon as possible, though.
1666		2078
		2079	Will never block.
		2080
1667	=item $player_object->leave_link ($map, $x, $y)	2081	=item $player_object->leave_link ($map, $x, $y)
1668		2082
1669	Moves the player out of the specila link map onto the given map. If the	2083	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2084	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2085	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2086	fails, to the emergency map position.
1673		2087
1674	Might block.	2088	Might block.
1675		2089
1676	=cut	2090	=cut
		2091
		2092	sub link_map {
		2093	unless ($LINK_MAP) {
		2094	$LINK_MAP = cf::map::find "{link}"
		2095	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2096	$LINK_MAP->load;
		2097	}
		2098
		2099	$LINK_MAP
		2100	}
1677		2101
1678	sub cf::object::player::enter_link {	2102	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2103	my ($self) = @_;
1680		2104
1681	$self->deactivate_recursive;	2105	$self->deactivate_recursive;
1682		2106
1683	return if $self->map == $LINK_MAP;	2107	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2108
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2109	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2110	if $self->map && $self->map->{path} ne "{link}";
1687		2111
1688	$self->enter_map ($LINK_MAP, 20, 20);	2112	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2113	}
1690		2114
1691	sub cf::object::player::leave_link {	2115	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2116	my ($self, $map, $x, $y) = @_;
		2117
		2118	return unless $self->contr->active;
1693		2119
1694	my $link_pos = delete $self->{_link_pos};	2120	my $link_pos = delete $self->{_link_pos};
1695		2121
1696	unless ($map) {	2122	unless ($map) {
1697	# restore original map position	2123	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2137	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2138	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2139	if $x <=0 && $y <= 0;
1714		2140
1715	$map->load;	2141	$map->load;
		2142	$map->load_diag;
1716		2143
1717	return unless $self->contr->active;	2144	return unless $self->contr->active;
1718	$self->activate_recursive;	2145	$self->activate_recursive;
		2146
		2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2148	$self->enter_map ($map, $x, $y);
1720	}	2149	}
1721		2150
1722	cf::player->attach (
1723	on_logout => sub {
1724	my ($pl) = @_;
1725
1726	# abort map switching before logout
1727	if ($pl->ob->{_link_pos}) {
1728	cf::sync_job {
1729	$pl->ob->leave_link
1730	};
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735
1736	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753
1754	=item $player_object->goto ($path, $x, $y)	2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1755		2152
		2153	Moves the player to the given map-path and coordinates by first freezing
		2154	her, loading and preparing them map, calling the provided $check callback
		2155	that has to return the map if sucecssful, and then unfreezes the player on
		2156	the new (success) or old (failed) map position.
		2157
1756	=cut	2158	=cut
		2159
		2160	our $GOTOGEN;
1757		2161
1758	sub cf::object::player::goto {	2162	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2163	my ($self, $path, $x, $y, $check) = @_;
1760		2164
1761	$path = new cf::path $path;	2165	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2167
1764	$self->enter_link;	2168	$self->enter_link;
1765		2169
1766	(async {	2170	(async {
		2171	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	2172	my $map = cf::map::find $path;
		2173
		2174	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2175	$map = $map->customise_for ($self);
1769		2176	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2177	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2179	}
1774		2180
		2181	$map
		2182	};
		2183
		2184	if ($@) {
		2185	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2186	LOG llevError | logBacktrace, Carp::longmess $@;
		2187	}
		2188
		2189	if ($gen == $self->{_goto_generation}) {
		2190	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2191	$self->leave_link ($map, $x, $y);
		2192	}
1776	})->prio (1);	2193	})->prio (1);
1777	}	2194	}
1778		2195
1779	=item $player_object->enter_exit ($exit_object)	2196	=item $player_object->enter_exit ($exit_object)
1780		2197
…		…
1782		2199
1783	sub parse_random_map_params {	2200	sub parse_random_map_params {
1784	my ($spec) = @_;	2201	my ($spec) = @_;
1785		2202
1786	my $rmp = { # defaults	2203	my $rmp = { # defaults
1787	xsize => 10,	2204	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2205	ysize => (cf::rndm 15, 40),
		2206	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2207	#layout => string,
1789	};	2208	};
1790		2209
1791	for (split /\n/, $spec) {	2210	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2211	my ($k, $v) = split /\s+/, $_, 2;
1793		2212
…		…
1797	$rmp	2216	$rmp
1798	}	2217	}
1799		2218
1800	sub prepare_random_map {	2219	sub prepare_random_map {
1801	my ($exit) = @_;	2220	my ($exit) = @_;
		2221
		2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2223
1803	# all this does is basically replace the /! path by	2224	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2225	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2226	# that depends on the exit object
1806		2227
1807	my $rmp = parse_random_map_params $exit->msg;	2228	my $rmp = parse_random_map_params $exit->msg;
1808		2229
1809	if ($exit->map) {	2230	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2231	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2232	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2233	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2234	$rmp->{origin_y} = $exit->y;
1814	}	2235	}
1815		2236
1816	$rmp->{random_seed} ||= $exit->random_seed;	2237	$rmp->{random_seed} ||= $exit->random_seed;
1817		2238
1818	my $data = cf::to_json $rmp;	2239	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2240	my $md5 = Digest::MD5::md5_hex $data;
		2241	my $meta = "$RANDOMDIR/$md5.meta";
1820		2242
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2244	aio_write $fh, 0, (length $data), $data, 0;
		2245	undef $fh;
		2246	aio_rename "$meta~", $meta;
1823		2247
1824	$exit->slaying ("?random/$md5");	2248	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2249	$exit->msg (undef);
1826	}	2250	}
1827	}	2251	}
1828		2252
1829	sub cf::object::player::enter_exit {	2253	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2254	my ($self, $exit) = @_;
1831		2255
1832	return unless $self->type == cf::PLAYER;	2256	return unless $self->type == cf::PLAYER;
		2257
		2258	if ($exit->slaying eq "/!") {
		2259	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2260	# the problem is that $exit might not survive long enough
		2261	# so it needs to be done right now, right here
		2262	cf::sync_job { prepare_random_map $exit };
		2263	}
		2264
		2265	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2266	my $hp = $exit->stats->hp;
		2267	my $sp = $exit->stats->sp;
1833		2268
1834	$self->enter_link;	2269	$self->enter_link;
1835		2270
1836	(async {	2271	(async {
1837	$self->deactivate_recursive; # just to be sure	2272	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2273	unless (eval {
1839	prepare_random_map $exit	2274	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2275
1845	1;	2276	1;
1846	}) {	2277	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2278	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2279	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2280	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2281	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2282
1852	warn "ERROR in enter_exit: $@";	2283	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2284	$self->leave_link;
1854	}	2285	}
1855	})->prio (1);	2286	})->prio (1);
…		…
1868		2299
1869	sub cf::client::send_drawinfo {	2300	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2301	my ($self, $text, $flags) = @_;
1871		2302
1872	utf8::encode $text;	2303	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2305	}
1875		2306
		2307	=item $client->ext_event ($type, %msg)
		2308
		2309	Sends an exti event to the client.
		2310
		2311	=cut
		2312
		2313	sub cf::client::ext_event($$%) {
		2314	my ($self, $type, %msg) = @_;
		2315
		2316	$msg{msgtype} = "event_$type";
		2317	$self->send_packet ("ext " . cf::to_json \%msg);
		2318	}
1876		2319
1877	=item $success = $client->query ($flags, "text", \&cb)	2320	=item $success = $client->query ($flags, "text", \&cb)
1878		2321
1879	Queues a query to the client, calling the given callback with	2322	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1909	# get handled first	2352	# get handled first
1910	my $queue = delete $ns->{query_queue}	2353	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2354	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2355
1913	(shift @$queue)->[1]->($msg);	2356	(shift @$queue)->[1]->($msg);
		2357	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2358
1915	push @{ $ns->{query_queue} }, @$queue;	2359	push @{ $ns->{query_queue} }, @$queue;
1916		2360
1917	if (@{ $ns->{query_queue} } == @$queue) {	2361	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2362	if (@$queue) {
…		…
1976		2420
1977	# here we export the classes and methods available to script code	2421	# here we export the classes and methods available to script code
1978		2422
1979	=pod	2423	=pod
1980		2424
1981	The following fucntions and emthods are available within a safe environment:	2425	The following functions and methods are available within a safe environment:
1982		2426
1983	cf::object contr pay_amount pay_player map	2427	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2428	cf::object::player player
1985	cf::player peaceful	2429	cf::player peaceful
1986	cf::map trigger	2430	cf::map trigger
…		…
2067	=back	2511	=back
2068		2512
2069	=cut	2513	=cut
2070		2514
2071	#############################################################################	2515	#############################################################################
		2516	# the server's init and main functions
2072		2517
2073	=head2 EXTENSION DATABASE SUPPORT	2518	sub load_facedata($) {
		2519	my ($path) = @_;
2074		2520
2075	Crossfire maintains a very simple database for extension use. It can	2521	warn "loading facedata from $path\n";
2076	currently store anything that can be serialised using Storable, which
2077	excludes objects.
2078		2522
2079	The parameter C<$family> should best start with the name of the extension	2523	my $facedata;
2080	using it, it should be unique.	2524	0 < aio_load $path, $facedata
		2525	or die "$path: $!";
2081		2526
2082	=over 4	2527	$facedata = Coro::Storable::thaw $facedata;
2083		2528
2084	=item $hashref = cf::db_get $family	2529	$facedata->{version} == 2
		2530	or cf::cleanup "$path: version mismatch, cannot proceed.";
2085		2531
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key
2091
2092	Returns a single value from the database
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}	2532	{
		2533	my $faces = $facedata->{faceinfo};
2122		2534
2123	my $pid;	2535	while (my ($face, $info) = each %$faces) {
2124		2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2125	sub db_save() {	2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2126	waitpid $pid, 0 if $pid;	2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2127	if (0 == ($pid = fork)) {	2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2128	$DB->{_meta}{version} = 1;	2540	Coro::cede;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2541	}
2171	);
2172	}
2173		2542
2174	#############################################################################	2543	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	2544	next unless $info->{smooth};
		2545	my $idx = cf::face::find $face
		2546	or next;
		2547	if (my $smooth = cf::face::find $info->{smooth}) {
		2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2549	} else {
		2550	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2551	}
		2552	Coro::cede;
		2553	}
		2554	}
		2555
		2556	{
		2557	my $anims = $facedata->{animinfo};
		2558
		2559	while (my ($anim, $info) = each %$anims) {
		2560	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2561	Coro::cede;
		2562	}
		2563
		2564	cf::anim::invalidate_all; # d'oh
		2565	}
		2566
		2567	1
		2568	}
		2569
		2570	sub reload_regions {
		2571	load_resource_file "$MAPDIR/regions"
		2572	or die "unable to load regions file\n";
		2573	}
		2574
		2575	sub reload_facedata {
		2576	load_facedata "$DATADIR/facedata"
		2577	or die "unable to load facedata\n";
		2578	}
		2579
		2580	sub reload_archetypes {
		2581	load_resource_file "$DATADIR/archetypes"
		2582	or die "unable to load archetypes\n";
		2583	}
		2584
		2585	sub reload_treasures {
		2586	load_resource_file "$DATADIR/treasures"
		2587	or die "unable to load treasurelists\n";
		2588	}
		2589
		2590	sub reload_resources {
		2591	warn "reloading resource files...\n";
		2592
		2593	reload_regions;
		2594	reload_facedata;
		2595	#reload_archetypes;#d#
		2596	reload_archetypes;
		2597	reload_treasures;
		2598
		2599	warn "finished reloading resource files\n";
		2600	}
		2601
		2602	sub init {
		2603	reload_resources;
		2604	}
2176		2605
2177	sub cfg_load {	2606	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2607	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2608	or return;
2180		2609
2181	local $/;	2610	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2611	*CFG = YAML::Syck::Load <$fh>;
2183		2612
…		…
2197		2626
2198	sub main {	2627	sub main {
2199	# we must not ever block the main coroutine	2628	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2629	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2631	(async {
2202	async { Event::one_event };	2632	Event::one_event;
		2633	})->prio (Coro::PRIO_MAX);
2203	};	2634	};
2204		2635
2205	cfg_load;	2636	cfg_load;
2206	db_load;	2637	db_init;
2207	load_extensions;	2638	load_extensions;
		2639
		2640	$TICK_WATCHER->start;
2208	Event::loop;	2641	Event::loop;
2209	}	2642	}
2210		2643
2211	#############################################################################	2644	#############################################################################
2212	# initialisation	2645	# initialisation and cleanup
2213		2646
		2647	# install some emergency cleanup handlers
		2648	BEGIN {
		2649	for my $signal (qw(INT HUP TERM)) {
		2650	Event->signal (
		2651	reentrant => 0,
		2652	data => WF_AUTOCANCEL,
		2653	signal => $signal,
		2654	prio => 0,
		2655	cb => sub {
		2656	cf::cleanup "SIG$signal";
		2657	},
		2658	);
		2659	}
		2660	}
		2661
		2662	sub write_runtime {
		2663	my $runtime = "$LOCALDIR/runtime";
		2664
		2665	# first touch the runtime file to show we are still running:
		2666	# the fsync below can take a very very long time.
		2667
		2668	IO::AIO::aio_utime $runtime, undef, undef;
		2669
		2670	my $guard = cf::lock_acquire "write_runtime";
		2671
		2672	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2673	or return;
		2674
		2675	my $value = $cf::RUNTIME + 90 + 10;
		2676	# 10 is the runtime save interval, for a monotonic clock
		2677	# 60 allows for the watchdog to kill the server.
		2678
		2679	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2680	and return;
		2681
		2682	# always fsync - this file is important
		2683	aio_fsync $fh
		2684	and return;
		2685
		2686	# touch it again to show we are up-to-date
		2687	aio_utime $fh, undef, undef;
		2688
		2689	close $fh
		2690	or return;
		2691
		2692	aio_rename "$runtime~", $runtime
		2693	and return;
		2694
		2695	warn "runtime file written.\n";
		2696
		2697	1
		2698	}
		2699
		2700	sub emergency_save() {
		2701	my $freeze_guard = cf::freeze_mainloop;
		2702
		2703	warn "enter emergency perl save\n";
		2704
		2705	cf::sync_job {
		2706	# use a peculiar iteration method to avoid tripping on perl
		2707	# refcount bugs in for. also avoids problems with players
		2708	# and maps saved/destroyed asynchronously.
		2709	warn "begin emergency player save\n";
		2710	for my $login (keys %cf::PLAYER) {
		2711	my $pl = $cf::PLAYER{$login} or next;
		2712	$pl->valid or next;
		2713	$pl->save;
		2714	}
		2715	warn "end emergency player save\n";
		2716
		2717	warn "begin emergency map save\n";
		2718	for my $path (keys %cf::MAP) {
		2719	my $map = $cf::MAP{$path} or next;
		2720	$map->valid or next;
		2721	$map->save;
		2722	}
		2723	warn "end emergency map save\n";
		2724
		2725	warn "begin emergency database checkpoint\n";
		2726	BDB::db_env_txn_checkpoint $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
		2728	};
		2729
		2730	warn "leave emergency perl save\n";
		2731	}
		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2214	sub reload() {	2740	sub do_reload_perl() {
2215	# can/must only be called in main	2741	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2743	warn "can only reload from main coroutine";
2218	return;	2744	return;
2219	}	2745	}
2220		2746
2221	warn "reloading...";	2747	warn "reloading...";
2222		2748
2223	my $guard = freeze_mainloop;	2749	warn "entering sync_job";
		2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2225		2755
2226	eval {	2756	warn "syncing database to disk";
		2757	BDB::db_env_txn_checkpoint $DB_ENV;
		2758
2227	# if anything goes wrong in here, we should simply crash as we already saved	2759	# if anything goes wrong in here, we should simply crash as we already saved
2228		2760
2229	# cancel all watchers	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2764	}
2233		2765
		2766	warn "flushing outstanding aio requests";
		2767	for (;;) {
		2768	BDB::flush;
		2769	IO::AIO::flush;
		2770	Coro::cede;
		2771	last unless IO::AIO::nreqs || BDB::nreqs;
		2772	warn "iterate...";
		2773	}
		2774
		2775	++$RELOAD;
		2776
2234	# cancel all extension coros	2777	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2779	%EXT_CORO = ();
2237		2780
2238	# unload all extensions	2781	warn "removing commands";
2239	for (@exts) {	2782	%COMMAND = ();
		2783
		2784	warn "removing ext commands";
		2785	%EXTCMD = ();
		2786
		2787	warn "unloading/nuking all extensions";
		2788	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2789	warn "... unloading $pkg";
2241	unload_extension $_;	2790
		2791	if (my $cb = $pkg->can ("unload")) {
		2792	eval {
		2793	$cb->($pkg);
		2794	1
		2795	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2796	}
2243		2797
		2798	warn "... nuking $pkg";
		2799	Symbol::delete_package $pkg;
		2800	}
		2801
2244	# unload all modules loaded from $LIBDIR	2802	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2803	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2805
2248	warn "removing <$k>";	2806	warn "... unloading $k";
2249	delete $INC{$k};	2807	delete $INC{$k};
2250		2808
2251	$k =~ s/\.pm$//;	2809	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2810	$k =~ s/\//::/g;
2253		2811
…		…
2256	}	2814	}
2257		2815
2258	Symbol::delete_package $k;	2816	Symbol::delete_package $k;
2259	}	2817	}
2260		2818
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2819	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2822
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2823	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2274		2826
2275	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2828	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2278		2830
2279	# reload cf.pm	2831	warn "unload completed, starting to reload now";
		2832
2280	warn "reloading cf.pm";	2833	warn "reloading cf.pm";
2281	require cf;	2834	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2836
2284	# load config and database again	2837	warn "loading config and database again";
2285	cf::cfg_load;	2838	cf::cfg_load;
2286	cf::db_load;
2287		2839
2288	# load extensions
2289	warn "load extensions";	2840	warn "loading extensions";
2290	cf::load_extensions;	2841	cf::load_extensions;
2291		2842
2292	# reattach attachments to objects	2843	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2844	_global_reattach; # objects, sockets
2294	_global_reattach;	2845	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
2296	};	2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2297		2849
2298	if ($@) {	2850	warn "leaving sync_job";
		2851
		2852	1
		2853	} or do {
2299	warn $@;	2854	warn $@;
2300	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2301	exit 1;	2856	exit 1;
2302	}	2857	};
2303		2858
2304	warn "reloaded successfully";	2859	warn "reloaded";
2305	};	2860	};
2306		2861
2307	#############################################################################	2862	our $RELOAD_WATCHER; # used only during reload
2308		2863
2309	unless ($LINK_MAP) {	2864	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	2865	# doing reload synchronously and two reloads happen back-to-back,
		2866	# coro crashes during coro_state_free->destroy here.
2311		2867
2312	$LINK_MAP->width (41);	2868	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	2869	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	2870	after => 0,
		2871	data => WF_AUTOCANCEL,
2322	cb => sub {	2872	cb => sub {
2323	$_[0]->w->cancel;	2873	do_reload_perl;
2324		2874	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	2875	},
2343		2876	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	2877	}
2349
2350	register "<global>", __PACKAGE__;
2351		2878
2352	register_command "reload" => sub {	2879	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2354		2881
2355	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	2883	$who->message ("reloading server.");
		2884	async { reload_perl };
2359	}	2885	}
2360	};	2886	};
2361		2887
2362	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2363		2889
		2890	my $bug_warning = 0;
		2891
		2892	our @WAIT_FOR_TICK;
		2893	our @WAIT_FOR_TICK_BEGIN;
		2894
		2895	sub wait_for_tick {
		2896	return unless $TICK_WATCHER->is_active;
		2897	return if $Coro::current == $Coro::main;
		2898
		2899	my $signal = new Coro::Signal;
		2900	push @WAIT_FOR_TICK, $signal;
		2901	$signal->wait;
		2902	}
		2903
		2904	sub wait_for_tick_begin {
		2905	return unless $TICK_WATCHER->is_active;
		2906	return if $Coro::current == $Coro::main;
		2907
		2908	my $signal = new Coro::Signal;
		2909	push @WAIT_FOR_TICK_BEGIN, $signal;
		2910	$signal->wait;
		2911	}
		2912
		2913	my $min = 1e6;#d#
		2914	my $avg = 10;
2364	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2916	reentrant => 0,
		2917	parked => 1,
2366	prio => 0,	2918	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2920	data => WF_AUTOCANCEL,
2369	cb => sub {	2921	cb => sub {
		2922	if ($Coro::current != $Coro::main) {
		2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2924	unless ++$bug_warning > 10;
		2925	return;
		2926	}
		2927
		2928	$NOW = $tick_start = Event::time;
		2929
2370	cf::server_tick; # one server iteration	2930	cf::server_tick; # one server iteration
		2931
		2932	0 && sync_job {#d#
		2933	for(1..10) {
		2934	my $t = Event::time;
		2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2936	or die;
		2937
		2938	$map->width (50);
		2939	$map->height (50);
		2940	$map->alloc;
		2941	$map->_load_objects ("/tmp/x.map", 1);
		2942	my $t = Event::time - $t;
		2943
		2944	#next unless $t < 0.0013;#d#
		2945	if ($t < $min) {
		2946	$min = $t;
		2947	}
		2948	$avg = $avg * 0.99 + $t * 0.01;
		2949	}
		2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2951	exit 0;
		2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2953	};
		2954
2371	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2373		2957
		2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2960	Coro::async_pool {
		2961	write_runtime
		2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
		2964	}
		2965
		2966	# my $AFTER = Event::time;
		2967	# warn $AFTER - $NOW;#d#
		2968
		2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2970	$sig->send;
		2971	}
		2972	while (my $sig = shift @WAIT_FOR_TICK) {
		2973	$sig->send;
		2974	}
		2975
		2976	$NOW = Event::time;
		2977
2374	# if we are delayed by four ticks or more, skip them all	2978	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		2980
2377	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2982	$TICK_WATCHER->start;
		2983
		2984	$LOAD = ($NOW - $tick_start) / $TICK;
		2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2986
		2987	_post_tick;
		2988
		2989
2379	},	2990	},
2380	);	2991	);
2381		2992
		2993	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2994	BDB::max_poll_time $TICK * 0.1;
2383		2995	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2996	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2997	fd => BDB::poll_fileno,
2386	poll => 'r',	2998	poll => 'r',
2387	prio => 5,	2999	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3000	data => WF_AUTOCANCEL,
2394	after => 0,	3001	cb => \&BDB::poll_cb,
2395	interval => 10,	3002	);
2396	cb => sub {	3003	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	3004
2398	write_runtime	3005	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	3006	my $status;
		3007	my $current = $Coro::current;
		3008	(
		3009	sub {
		3010	$status = $!;
		3011	$current->ready; undef $current;
		3012	},
		3013	sub {
		3014	Coro::schedule while defined $current;
		3015	$! = $status;
		3016	},
		3017	)
		3018	};
		3019
		3020	unless ($DB_ENV) {
		3021	$DB_ENV = BDB::db_env_create;
		3022
		3023	cf::sync_job {
		3024	eval {
		3025	BDB::db_env_open
		3026	$DB_ENV,
		3027	$BDBDIR,
		3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3030	0666;
		3031
		3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3033
		3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3035	$DB_ENV->set_lk_detect;
		3036	};
		3037
		3038	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	3039	};
2401	},	3040	}
2402	);	3041	}
		3042
		3043	{
		3044	IO::AIO::min_parallel 8;
		3045
		3046	undef $Coro::AIO::WATCHER;
		3047	IO::AIO::max_poll_time $TICK * 0.1;
		3048	$AIO_POLL_WATCHER = Event->io (
		3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
		3051	fd => IO::AIO::poll_fileno,
		3052	poll => 'r',
		3053	prio => 6,
		3054	cb => \&IO::AIO::poll_cb,
		3055	);
		3056	}
		3057
		3058	my $_log_backtrace;
		3059
		3060	sub _log_backtrace {
		3061	my ($msg, @addr) = @_;
		3062
		3063	$msg =~ s/\n//;
		3064
		3065	# limit the # of concurrent backtraces
		3066	if ($_log_backtrace < 2) {
		3067	++$_log_backtrace;
		3068	async {
		3069	my @bt = fork_call {
		3070	@addr = map { sprintf "%x", $_ } @addr;
		3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3073	or die "addr2line: $!";
		3074
		3075	my @funcs;
		3076	my @res = <$fh>;
		3077	chomp for @res;
		3078	while (@res) {
		3079	my ($func, $line) = splice @res, 0, 2, ();
		3080	push @funcs, "[$func] $line";
		3081	}
		3082
		3083	@funcs
		3084	};
		3085
		3086	LOG llevInfo, "[ABT] $msg\n";
		3087	LOG llevInfo, "[ABT] $_\n" for @bt;
		3088	--$_log_backtrace;
		3089	};
		3090	} else {
		3091	LOG llevInfo, "[ABT] $msg\n";
		3092	LOG llevInfo, "[ABT] [suppressed]\n";
		3093	}
		3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2403		3098
2404	END { cf::emergency_save }	3099	END { cf::emergency_save }
2405		3100
2406	1	3101	1
2407		3102

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