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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.189 by root, Sun Jan 21 21:28:27 2007 UTC vs.
Revision 1.283 by root, Sun Jun 24 04:09:29 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 3.4 ();	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
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$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
		46
		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 = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	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(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	76	our $NEXT_TICK;
52	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;
53		82
54	our %CFG;	83	our %CFG;
55		84
56	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	86	our $RUNTIME;
58		87
59	our %PLAYER; # all users	88	our %PLAYER; # all users
60	our %MAP; # all maps	89	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		91
67	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		98
70	binmode STDOUT;	99	binmode STDOUT;
71	binmode STDERR;	100	binmode STDERR;
72		101
73	# read virtual server time, if available	102	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
78	}	107	}
79		108
80	mkdir cf::localdir;	109	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		111
86	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
87		115
88	#############################################################################	116	#############################################################################
89		117
90	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
91		119
…		…
98	=item $cf::RUNTIME	126	=item $cf::RUNTIME
99		127
100	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
101	every server tick.	129	every server tick.
102		130
103	=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
104		134
105	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		139
108	=item $cf::NOW	140	=item $cf::NOW
109		141
110	The time of the last (current) server tick.	142	The time of the last (current) server tick.
111		143
112	=item $cf::TICK	144	=item $cf::TICK
113		145
114	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.
115		157
116	=item %cf::CFG	158	=item %cf::CFG
117		159
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	161	from wherever your confdir points to.
120		162
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		164
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.
127		168
128	=back	169	=back
129		170
130	=cut	171	=cut
131		172
132	BEGIN {	173	BEGIN {
133	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	175	my $msg = join "", @_;
135	utf8::encode $msg;
136		176
137	$msg .= "\n"	177	$msg .= "\n"
138	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
139		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
140	LOG llevError, $msg;	183	LOG llevError, $msg;
141	};	184	};
142	}	185	}
143		186
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		194
151	# 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
152	# within the Safe compartment.	196	# within the Safe compartment.
153	for my $pkg (qw(	197	for my $pkg (qw(
154	cf::global cf::attachable	198	cf::global cf::attachable
…		…
162	}	206	}
163		207
164	$Event::DIED = sub {	208	$Event::DIED = sub {
165	warn "error in event callback: @_";	209	warn "error in event callback: @_";
166	};	210	};
		211
		212	#############################################################################
167		213
168	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
169		215
170	=over 4	216	=over 4
171		217
…		…
190	$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;
191	$d	237	$d
192	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
193	}	239	}
194		240
195	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
196		242
197	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
198		244
199	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
200		246
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
209		248
210	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		250
219	=item cf::lock_wait $string	251	=item cf::lock_wait $string
220		252
221	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
222		254
…		…
228	returned.	260	returned.
229		261
230	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
231	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
232		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
233	=cut	269	=cut
234		270
235	our %LOCK;	271	our %LOCK;
236		272
237	sub lock_wait($) {	273	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
258	}	294	}
259	}	295	}
260		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
261	sub freeze_mainloop {	303	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
263		305
264	my $guard = Coro::guard {	306	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	307	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	308	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
270	$guard	310	$guard
271	}	311	}
272		312
273	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
280		320
281	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
282		322
283	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
284		324
285	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
288		329
289	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
292	fast or be very important.	333	fast or be very important.
…		…
295		336
296	sub sync_job(&) {	337	sub sync_job(&) {
297	my ($job) = @_;	338	my ($job) = @_;
298		339
299	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
300	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
302		345
303	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
315		358
316	while ($busy) {	359	while ($busy) {
317	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
318	}	361	}
319		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
320	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
321	} else {	371	} else {
322	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
323		373
324	$job->()	374	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
344		394
345	$coro	395	$coro
346	}	396	}
347		397
348	sub write_runtime {	398	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		399
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
352	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.
353		404
354	my $value = $cf::RUNTIME + 90 + 10;	405	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		406
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	407	sub fork_call(&@) {
359	and return;	408	my ($cb, @args) = @_;
360		409
361	aio_fsync $fh	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
362	and return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
363		414
		415	if (my $pid = fork) {
364	close $fh	416	close $fh2;
365	or return;
366		417
367	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
368	and return;	419	$res = Coro::Storable::thaw $res;
369		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
370	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
371	}	567	}
372		568
373	=back	569	=back
374		570
375	=cut	571	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
384		580
385	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>
386	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
387	crossfire+).	583	Crossfire TRT).
388		584
389	=over 4	585	=over 4
390		586
391	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
392		588
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
556		752
557	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		757
562	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	759	my $pkg = shift @arg;
564		760
565	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
595	}	791	}
596		792
597	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
598	} else {	794	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	796	}
601		797
602	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
603	}	799	}
604		800
…		…
606	if (ref $_[0]) {	802	if (ref $_[0]) {
607	_object_attach @_;	803	_object_attach @_;
608	} else {	804	} else {
609	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
610	}	806	}
		807	_recalc_want;
611	};	808	};
612		809
613	# all those should be optimised	810	# all those should be optimised
614	sub cf::attachable::detach {	811	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
619	reattach ($obj);	816	reattach ($obj);
620	} else {	817	} else {
621	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
622	}	819	}
		820	_recalc_want;
623	};	821	};
624		822
625	sub cf::attachable::attached {	823	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
627		825
…		…
750	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
751		949
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	954	close $fh;
757		955
758	if (@$objs) {	956	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	962	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
766	}	964	}
767	} else {	965	} else {
768	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
800	or return;	998	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1000	}
803		1001
804	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1004	return ($data, $av);
807	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
808		1012
809	#############################################################################	1013	#############################################################################
810	# command handling &c	1014	# command handling &c
811		1015
812	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1030	}
827		1031
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1033
830	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.
831		1035
832	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
833	called.	1037	called.
834		1038
835	=cut	1039	=cut
…		…
870		1074
871	cf::override;	1075	cf::override;
872	},	1076	},
873	);	1077	);
874		1078
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
910	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1084	next unless -r $path;
912	eval {	1085
913	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;
914	1	1143	}
915	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
916	}	1149	};
917	}	1150	}
918		1151
919	#############################################################################	1152	#############################################################################
920		1153
		1154	=back
		1155
921	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
922		1157
923	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
924		1159
925	=cut	1160	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
938		1173
939	=cut	1174	=cut
940		1175
941	sub playerdir($) {	1176	sub playerdir($) {
942	cf::localdir	1177	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1179	}
948		1180
949	sub path($) {	1181	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1183
952	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
953	}	1185	}
954		1186
955	sub find_active($) {	1187	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1202	my $login = $_[0];
971		1203
972	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
973		1205
974	$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
975	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
976	or return;	1215	or return;
977	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
978	}	1217	}
979	}	1218	}
…		…
1016		1255
1017	=cut	1256	=cut
1018		1257
1019	sub quit_character {	1258	sub quit_character {
1020	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1021		1262
1022	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1023	$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
1024		1265
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1297	}
1037		1298
1038	=item cf::player::list_logins	1299	=item cf::player::list_logins
1039		1300
1040	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
1041	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1042		1303
1043	=cut	1304	=cut
1044		1305
1045	sub list_logins {	1306	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1308	or return [];
1048		1309
1049	my @logins;	1310	my @logins;
1050		1311
1051	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1068	=cut	1329	=cut
1069		1330
1070	sub maps($) {	1331	sub maps($) {
1071	my ($pl) = @_;	1332	my ($pl) = @_;
1072		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
1073	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1074	or return;	1337	or return;
1075		1338
1076	my @paths;	1339	my @paths;
1077		1340
1078	for (@$files) {	1341	for (@$files) {
1079	utf8::decode $_;	1342	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1344	next unless /^$PATH_SEP/o;
1082		1345
1083	s/\.map$//;	1346	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1347	}
1086		1348
1087	\@paths	1349	\@paths
1088	}	1350	}
1089		1351
		1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1353
		1354	Expand crossfire pod fragments into protocol xml.
		1355
		1356	=cut
		1357
		1358	sub expand_cfpod {
		1359	((my $self), (local $_)) = @_;
		1360
		1361	# escape & and <
		1362	s/&/&amp;/g;
		1363	s/(?<![BIUGH])</&lt;/g;
		1364
		1365	# this is buggy, it needs to properly take care of nested <'s
		1366
		1367	1 while
		1368	# replace B<>, I<>, U<> etc.
		1369	s/B<([^\>]*)>/<b>$1<\/b>/
		1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1372	# replace G<male|female> tags
		1373	|| s{G<([^>|]*)\|([^>]*)>}{
		1374	$self->gender ? $2 : $1
		1375	}ge
		1376	# replace H<hint text>
		1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1378
		1379	# create single paragraphs (very hackish)
		1380	s/(?<=\S)\n(?=\w)/ /g;
		1381
		1382	$_
		1383	}
		1384
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1091		1386
1092	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1093		1388
1094	=cut	1389	=cut
1095		1390
1096	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1098		1393
1099	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1100		1395
1101	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1102	}	1397	}
1103		1398
1104	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		1406	my ($self, $type, %msg) = @_;
		1407
		1408	$self->ns->ext_event ($type, %msg);
		1409	}
		1410
		1411	=head3 cf::region
		1412
		1413	=over 4
		1414
		1415	=cut
		1416
		1417	package cf::region;
		1418
		1419	=item cf::region::find_by_path $path
		1420
		1421	Tries to decuce the likely region for a map knowing only its path.
		1422
		1423	=cut
		1424
		1425	sub find_by_path($) {
		1426	my ($path) = @_;
		1427
		1428	my ($match, $specificity);
		1429
		1430	for my $region (list) {
		1431	if ($region->match && $path =~ $region->match) {
		1432	($match, $specificity) = ($region, $region->specificity)
		1433	if $region->specificity > $specificity;
		1434	}
		1435	}
		1436
		1437	$match
		1438	}
1105		1439
1106	=back	1440	=back
1107
1108		1441
1109	=head3 cf::map	1442	=head3 cf::map
1110		1443
1111	=over 4	1444	=over 4
1112		1445
…		…
1167	my ($self, $merge) = @_;	1500	my ($self, $merge) = @_;
1168		1501
1169	# we have to keep some variables in memory intact	1502	# we have to keep some variables in memory intact
1170	local $self->{path};	1503	local $self->{path};
1171	local $self->{load_path};	1504	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1505
1175	$self->SUPER::thawer_merge ($merge);	1506	$self->SUPER::thawer_merge ($merge);
1176	}	1507	}
1177		1508
1178	sub normalise {	1509	sub normalise {
1179	my ($path, $base) = @_;	1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
1180		1515
1181	# map plan:	1516	# map plan:
1182	#	1517	#
1183	# /! non-realised random map exit (special hack!)	1518	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1519	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1556	$self->init; # pass $1 etc.
1222	return $self;	1557	return $self;
1223	}	1558	}
1224	}	1559	}
1225		1560
1226	Carp::carp "unable to resolve path '$path'.";	1561	Carp::carp "unable to resolve path '$path' (base '$base').";
1227	()	1562	()
1228	}	1563	}
1229		1564
1230	sub init {	1565	sub init {
1231	my ($self) = @_;	1566	my ($self) = @_;
…		…
1246		1581
1247	# the original (read-only) location	1582	# the original (read-only) location
1248	sub load_path {	1583	sub load_path {
1249	my ($self) = @_;	1584	my ($self) = @_;
1250		1585
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1586	"$MAPDIR/$self->{path}.map"
1252	}	1587	}
1253		1588
1254	# the temporary/swap location	1589	# the temporary/swap location
1255	sub save_path {	1590	sub save_path {
1256	my ($self) = @_;	1591	my ($self) = @_;
1257		1592
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1594	"$TMPDIR/$path.map"
1260	}	1595	}
1261		1596
1262	# the unique path, undef == no special unique path	1597	# the unique path, undef == no special unique path
1263	sub uniq_path {	1598	sub uniq_path {
1264	my ($self) = @_;	1599	my ($self) = @_;
1265		1600
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1602	"$UNIQUEDIR/$path"
1268	}	1603	}
1269		1604
1270	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1271	# all maps in C++...	1606	# all maps in C++...
1272	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1274		1609
1275	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1277	}	1612	}
1278		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
1279	sub unlink_save {	1622	sub unlink_save {
1280	my ($self) = @_;	1623	my ($self) = @_;
1281		1624
1282	utf8::encode (my $save = $self->save_path);	1625	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1629
1287	sub load_header_from($) {	1630	sub load_header_from($) {
1288	my ($self, $path) = @_;	1631	my ($self, $path) = @_;
1289		1632
1290	utf8::encode $path;	1633	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
1292	or return;	1635	# or return;
1293		1636
1294	$self->_load_header ($path)	1637	$self->_load_header ($path)
1295	or return;	1638	or return;
1296		1639
1297	$self->{load_path} = $path;	1640	$self->{load_path} = $path;
…		…
1339	$self->load_header_orig	1682	$self->load_header_orig
1340	or return;	1683	or return;
1341	$self->prepare_orig;	1684	$self->prepare_orig;
1342	}	1685	}
1343		1686
		1687	$self->{deny_reset} = 1
		1688	if $self->no_reset;
		1689
		1690	$self->default_region (cf::region::find_by_path $self->{path})
		1691	unless $self->default_region;
		1692
1344	1	1693	1
1345	}	1694	}
1346		1695
1347	sub find;	1696	sub find;
1348	sub find {	1697	sub find {
…		…
1360	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1361		1710
1362	$map->load_header	1711	$map->load_header
1363	or return;	1712	or return;
1364		1713
1365	if ($map->should_reset) {	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	1715	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	1716	#$cf::WAIT_FOR_TICK->wait;
1368	$map->reset;	1717	$map->reset;
1369	undef $guard;	1718	undef $guard;
1370	$map = find $path	1719	return find $path;
1371	or return;
1372	}	1720	}
1373		1721
1374	$cf::MAP{$path} = $map	1722	$cf::MAP{$path} = $map
1375	}	1723	}
1376	}	1724	}
…		…
1379	sub post_load { }	1727	sub post_load { }
1380		1728
1381	sub load {	1729	sub load {
1382	my ($self) = @_;	1730	my ($self) = @_;
1383		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1384	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1385	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1386		1738
1387	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1388		1740
1389	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1390		1742
1391	$self->alloc;	1743	$self->alloc;
1392		1744
1393	$self->pre_load;	1745	$self->pre_load;
1394
1395	$self->_load_objects ($self->{load_path}, 1)
1396	or return;
1397
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1399	if delete $self->{load_original};
1400
1401	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {
1404	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);
1406	}
1407	}
1408
1409	Coro::cede;
1410
1411	# now do the right thing for maps
1412	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;	1746	Coro::cede;
1419	$self->set_darkness_map;	1747
		1748	$self->_load_objects ($self->{load_path}, 1)
		1749	or return;
		1750
		1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1752	if delete $self->{load_original};
		1753
		1754	if (my $uniq = $self->uniq_path) {
		1755	utf8::encode $uniq;
		1756	if (aio_open $uniq, O_RDONLY, 0) {
		1757	$self->clear_unique_items;
		1758	$self->_load_objects ($uniq, 0);
		1759	}
		1760	}
		1761
		1762	Coro::cede;
		1763	# now do the right thing for maps
		1764	$self->link_multipart_objects;
1420	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	1766	unless $self->difficulty;
1422	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($self->{deny_activate}) {
		1770	$self->decay_objects;
		1771	$self->fix_auto_apply;
		1772	$self->update_buttons;
		1773	Coro::cede;
		1774	$self->set_darkness_map;
		1775	Coro::cede;
1423	$self->activate;	1776	$self->activate;
		1777	}
		1778
		1779	$self->in_memory (cf::MAP_IN_MEMORY);
1424	}	1780	}
1425		1781
1426	$self->post_load;	1782	$self->post_load;
1427
1428	$self->in_memory (cf::MAP_IN_MEMORY);
1429	}	1783	}
1430		1784
1431	sub customise_for {	1785	sub customise_for {
1432	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1433		1787
1434	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1435	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1436		1793
1437	$self	1794	$self
1438	}	1795	}
1439		1796
1440	# find and load all maps in the 3x3 area around a map	1797	# find and load all maps in the 3x3 area around a map
…		…
1551		1908
1552	sub reset_at {	1909	sub reset_at {
1553	my ($self) = @_;	1910	my ($self) = @_;
1554		1911
1555	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1557	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1558		1914
1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1561		1917
…		…
1572	my ($self) = @_;	1928	my ($self) = @_;
1573		1929
1574	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		1931
1576	return if $self->players;	1932	return if $self->players;
1577	return if $self->isa ("ext::map_per_player");#d#
1578		1933
1579	warn "resetting map ", $self->path;#d#	1934	warn "resetting map ", $self->path;
		1935
		1936	$self->in_memory (cf::MAP_SWAPPED);
		1937
		1938	# need to save uniques path
		1939	unless ($self->{deny_save}) {
		1940	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1941
		1942	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1943	if $uniq;
		1944	}
1580		1945
1581	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
1582		1947
1583	$self->in_memory (cf::MAP_SWAPPED);
1584	$self->clear;	1948	$self->clear;
1585		1949
1586	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1587		1951
1588	$self->unlink_save;	1952	$self->unlink_save;
…		…
1607	$cf::MAP{$self->path} = $self;	1971	$cf::MAP{$self->path} = $self;
1608		1972
1609	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1610	}	1974	}
1611		1975
		1976	=item $maps = cf::map::tmp_maps
		1977
		1978	Returns an arrayref with all map paths of currently instantiated and saved
		1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
		1984	[
		1985	map {
		1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
		1992	}
		1993
		1994	=item $maps = cf::map::random_maps
		1995
		1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
		1998
		1999	=cut
		2000
		2001	sub random_maps() {
		2002	[
		2003	map {
		2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
		2010	}
		2011
1612	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1613		2013
1614	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1615	instantiated unique items. May block.	2015	instantiated unique items. May block.
1616		2016
1617	=cut	2017	=cut
1618		2018
1619	sub unique_maps() {	2019	sub unique_maps() {
1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1621	or return;	2021	map {
1622
1623	my @paths;
1624
1625	for (@$files) {
1626	utf8::decode $_;	2022	utf8::decode $_;
1627	next if /\.pst$/;
1628	next unless /^$PATH_SEP/o;
1629
1630	s/\.map$//;	2023	/\.map$/
1631	push @paths, $_;	2024	? normalise $_
		2025	: ()
		2026	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2027	]
1633
1634	\@paths
1635	}	2028	}
1636		2029
1637	package cf;	2030	package cf;
1638		2031
1639	=back	2032	=back
…		…
1685		2078
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2080
1688	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1690	} else {	2084	} else {
		2085	my $pl = $self->contr;
		2086
		2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2088	my $diag = $pl->{npc_dialog};
		2089	$diag->{pl}->ext_reply (
		2090	$diag->{id},
		2091	msgtype => "reply",
		2092	msg => $diag->{pl}->expand_cfpod ($msg),
		2093	add_topics => []
		2094	);
		2095
		2096	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1693	}	2100	}
1694	}	2101	}
1695		2102
1696	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1697		2104
…		…
1730	=cut	2137	=cut
1731		2138
1732	sub link_map {	2139	sub link_map {
1733	unless ($LINK_MAP) {	2140	unless ($LINK_MAP) {
1734	$LINK_MAP = cf::map::find "{link}"	2141	$LINK_MAP = cf::map::find "{link}"
1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736	$LINK_MAP->load;	2143	$LINK_MAP->load;
1737	}	2144	}
1738		2145
1739	$LINK_MAP	2146	$LINK_MAP
1740	}	2147	}
…		…
1745	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1746		2153
1747	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1748		2155
1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1751		2158
1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1753	}	2160	}
1754		2161
1755	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1756	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1757		2166
1758	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1759		2168
1760	unless ($map) {	2169	unless ($map) {
1761	# restore original map position	2170	# restore original map position
…		…
1779	$map->load;	2188	$map->load;
1780	$map->load_diag;	2189	$map->load_diag;
1781		2190
1782	return unless $self->contr->active;	2191	return unless $self->contr->active;
1783	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1784	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1785	}	2196	}
1786		2197
1787	cf::player->attach (
1788	on_logout => sub {
1789	my ($pl) = @_;
1790
1791	# abort map switching before logout
1792	if ($pl->ob->{_link_pos}) {
1793	cf::sync_job {
1794	$pl->ob->leave_link
1795	};
1796	}
1797	},
1798	on_login => sub {
1799	my ($pl) = @_;
1800
1801	# try to abort aborted map switching on player login :)
1802	# should happen only on crashes
1803	if ($pl->ob->{_link_pos}) {
1804	$pl->ob->enter_link;
1805	(async {
1806	# we need this sleep as the login has a concurrent enter_exit running
1807	# and this sleep increases chances of the player not ending up in scorn
1808	$pl->ob->reply (undef,
1809	"There was an internal problem at your last logout, "
1810	. "the server will try to bring you to your intended destination in a second.",
1811	cf::NDI_RED);
1812	Coro::Timer::sleep 1;
1813	$pl->ob->leave_link;
1814	})->prio (2);
1815	}
1816	},
1817	);
1818
1819	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1820		2199
		2200	Moves the player to the given map-path and coordinates by first freezing
		2201	her, loading and preparing them map, calling the provided $check callback
		2202	that has to return the map if sucecssful, and then unfreezes the player on
		2203	the new (success) or old (failed) map position.
		2204
1821	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1822		2208
1823	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1824	my ($self, $path, $x, $y) = @_;	2210	my ($self, $path, $x, $y, $check) = @_;
		2211
		2212	# do generation counting so two concurrent goto's will be executed in-order
		2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1825		2214
1826	$self->enter_link;	2215	$self->enter_link;
1827		2216
1828	(async {	2217	(async {
		2218	my $map = eval {
1829	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1830	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1831		2223	$map = $check->($map) if $check && $map;
1832	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1833	# if $map;
1834
1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2226	}
1836		2227
		2228	$map
		2229	};
		2230
		2231	if ($@) {
		2232	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2233	LOG llevError | logBacktrace, Carp::longmess $@;
		2234	}
		2235
		2236	if ($gen == $self->{_goto_generation}) {
		2237	delete $self->{_goto_generation};
1837	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1838	})->prio (1);	2240	})->prio (1);
1839	}	2241	}
1840		2242
1841	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1842		2244
…		…
1871	# that depends on the exit object	2273	# that depends on the exit object
1872		2274
1873	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1874		2276
1875	if ($exit->map) {	2277	if ($exit->map) {
1876	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1877	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1878	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1879	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1880	}	2282	}
1881		2283
1882	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1883		2285
1884	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1885	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2288	my $meta = "$RANDOMDIR/$md5.meta";
1887		2289
1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1889	aio_write $fh, 0, (length $data), $data, 0;	2291	aio_write $fh, 0, (length $data), $data, 0;
1890	undef $fh;	2292	undef $fh;
1891	aio_rename "$meta~", $meta;	2293	aio_rename "$meta~", $meta;
…		…
1898	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1899	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1900		2302
1901	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
1902		2304
		2305	if ($exit->slaying eq "/!") {
		2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2307	# the problem is that $exit might not survive long enough
		2308	# so it needs to be done right now, right here
		2309	cf::sync_job { prepare_random_map $exit };
		2310	}
		2311
		2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2313	my $hp = $exit->stats->hp;
		2314	my $sp = $exit->stats->sp;
		2315
1903	$self->enter_link;	2316	$self->enter_link;
1904		2317
1905	(async {	2318	(async {
1906	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1907	unless (eval {	2320	unless (eval {
1908	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1909	if $exit->slaying eq "/!";
1910
1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1913		2322
1914	1;	2323	1;
1915	}) {	2324	}) {
1916	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1917	. "I'll try to bring you back to the map you were before. "	2326	. "I'll try to bring you back to the map you were before. "
1918	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1919	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1920		2329
1921	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1922	$self->leave_link;	2331	$self->leave_link;
1923	}	2332	}
1924	})->prio (1);	2333	})->prio (1);
…		…
1937		2346
1938	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1939	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1940		2349
1941	utf8::encode $text;	2350	utf8::encode $text;
1942	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1943	}	2352	}
1944		2353
		2354	=item $client->send_msg ($color, $type, $msg, [extra...])
		2355
		2356	Send a drawinfo or msg packet to the client, formatting the msg for the
		2357	client if neccessary. C<$type> should be a string identifying the type of
		2358	the message, with C<log> being the default. If C<$color> is negative, suppress
		2359	the message unless the client supports the msg packet.
		2360
		2361	=cut
		2362
		2363	sub cf::client::send_msg {
		2364	my ($self, $color, $type, $msg, @extra) = @_;
		2365
		2366	$msg = $self->pl->expand_cfpod ($msg);
		2367
		2368	if ($self->can_msg) {
		2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2370	} else {
		2371	# replace some tags by gcfclient-compatible ones
		2372	for ($msg) {
		2373	1 while
		2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if ($msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	$self->send_packet ("drawinfo $color $msg")
		2386	}
		2387	}
		2388	}
		2389	}
		2390
		2391	=item $client->ext_event ($type, %msg)
		2392
		2393	Sends an exti event to the client.
		2394
		2395	=cut
		2396
		2397	sub cf::client::ext_event($$%) {
		2398	my ($self, $type, %msg) = @_;
		2399
		2400	$msg{msgtype} = "event_$type";
		2401	$self->send_packet ("ext " . cf::to_json \%msg);
		2402	}
1945		2403
1946	=item $success = $client->query ($flags, "text", \&cb)	2404	=item $success = $client->query ($flags, "text", \&cb)
1947		2405
1948	Queues a query to the client, calling the given callback with	2406	Queues a query to the client, calling the given callback with
1949	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2407	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1978	# get handled first	2436	# get handled first
1979	my $queue = delete $ns->{query_queue}	2437	my $queue = delete $ns->{query_queue}
1980	or return; # be conservative, not sure how that can happen, but we saw a crash here	2438	or return; # be conservative, not sure how that can happen, but we saw a crash here
1981		2439
1982	(shift @$queue)->[1]->($msg);	2440	(shift @$queue)->[1]->($msg);
		2441	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983		2442
1984	push @{ $ns->{query_queue} }, @$queue;	2443	push @{ $ns->{query_queue} }, @$queue;
1985		2444
1986	if (@{ $ns->{query_queue} } == @$queue) {	2445	if (@{ $ns->{query_queue} } == @$queue) {
1987	if (@$queue) {	2446	if (@$queue) {
…		…
2045		2504
2046	# here we export the classes and methods available to script code	2505	# here we export the classes and methods available to script code
2047		2506
2048	=pod	2507	=pod
2049		2508
2050	The following fucntions and emthods are available within a safe environment:	2509	The following functions and methods are available within a safe environment:
2051		2510
2052	cf::object contr pay_amount pay_player map	2511	cf::object contr pay_amount pay_player map
2053	cf::object::player player	2512	cf::object::player player
2054	cf::player peaceful	2513	cf::player peaceful
2055	cf::map trigger	2514	cf::map trigger
…		…
2136	=back	2595	=back
2137		2596
2138	=cut	2597	=cut
2139		2598
2140	#############################################################################	2599	#############################################################################
		2600	# the server's init and main functions
2141		2601
2142	=head2 EXTENSION DATABASE SUPPORT	2602	sub load_facedata($) {
		2603	my ($path) = @_;
2143		2604
2144	Crossfire maintains a very simple database for extension use. It can	2605	warn "loading facedata from $path\n";
2145	currently store anything that can be serialised using Storable, which
2146	excludes objects.
2147		2606
2148	The parameter C<$family> should best start with the name of the extension	2607	my $facedata;
2149	using it, it should be unique.	2608	0 < aio_load $path, $facedata
		2609	or die "$path: $!";
2150		2610
2151	=over 4	2611	$facedata = Coro::Storable::thaw $facedata;
2152		2612
2153	=item $hashref = cf::db_get $family	2613	$facedata->{version} == 2
		2614	or cf::cleanup "$path: version mismatch, cannot proceed.";
2154		2615
2155	Return a hashref for use by the extension C<$family>, which can be
2156	modified. After modifications, you have to call C<cf::db_dirty> or
2157	C<cf::db_sync>.
2158
2159	=item $value = cf::db_get $family => $key
2160
2161	Returns a single value from the database
2162
2163	=item cf::db_put $family => $hashref
2164
2165	Stores the given family hashref into the database. Updates are delayed, if
2166	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2167
2168	=item cf::db_put $family => $key => $value
2169
2170	Stores the given C<$value> in the family hash. Updates are delayed, if you
2171	want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173	=item cf::db_dirty
2174
2175	Marks the database as dirty, to be updated at a later time.
2176
2177	=item cf::db_sync
2178
2179	Immediately write the database to disk I<if it is dirty>.
2180
2181	=cut
2182
2183	our $DB;
2184
2185	{
2186	my $path = cf::localdir . "/database.pst";
2187
2188	sub db_load() {
2189	$DB = stat $path ? Storable::retrieve $path : { };
2190	}	2616	{
		2617	my $faces = $facedata->{faceinfo};
2191		2618
2192	my $pid;	2619	while (my ($face, $info) = each %$faces) {
2193		2620	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	sub db_save() {	2621	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2195	waitpid $pid, 0 if $pid;	2622	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2196	if (0 == ($pid = fork)) {	2623	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2197	$DB->{_meta}{version} = 1;	2624	Coro::cede;
2198	Storable::nstore $DB, "$path~";
2199	rename "$path~", $path;
2200	cf::_exit 0 if defined $pid;
2201	}
2202	}
2203
2204	my $dirty;
2205
2206	sub db_sync() {
2207	db_save if $dirty;
2208	undef $dirty;
2209	}
2210
2211	my $idle = Event->idle (
2212	reentrant => 0,
2213	min => 10,
2214	max => 20,
2215	repeat => 0,
2216	data => WF_AUTOCANCEL,
2217	cb => \&db_sync,
2218	);
2219
2220	sub db_dirty() {
2221	$dirty = 1;
2222	$idle->start;
2223	}
2224
2225	sub db_get($;$) {
2226	@_ >= 2
2227	? $DB->{$_[0]}{$_[1]}
2228	: ($DB->{$_[0]} ||= { })
2229	}
2230
2231	sub db_put($$;$) {
2232	if (@_ >= 3) {
2233	$DB->{$_[0]}{$_[1]} = $_[2];
2234	} else {
2235	$DB->{$_[0]} = $_[1];
2236	}
2237	db_dirty;
2238	}
2239
2240	cf::global->attach (
2241	prio => 10000,
2242	on_cleanup => sub {
2243	db_sync;
2244	},	2625	}
2245	);
2246	}
2247		2626
2248	#############################################################################	2627	while (my ($face, $info) = each %$faces) {
2249	# the server's main()	2628	next unless $info->{smooth};
		2629	my $idx = cf::face::find $face
		2630	or next;
		2631	if (my $smooth = cf::face::find $info->{smooth}) {
		2632	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2633	} else {
		2634	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2635	}
		2636	Coro::cede;
		2637	}
		2638	}
		2639
		2640	{
		2641	my $anims = $facedata->{animinfo};
		2642
		2643	while (my ($anim, $info) = each %$anims) {
		2644	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2645	Coro::cede;
		2646	}
		2647
		2648	cf::anim::invalidate_all; # d'oh
		2649	}
		2650
		2651	1
		2652	}
		2653
		2654	sub reload_regions {
		2655	load_resource_file "$MAPDIR/regions"
		2656	or die "unable to load regions file\n";
		2657	}
		2658
		2659	sub reload_facedata {
		2660	load_facedata "$DATADIR/facedata"
		2661	or die "unable to load facedata\n";
		2662	}
		2663
		2664	sub reload_archetypes {
		2665	load_resource_file "$DATADIR/archetypes"
		2666	or die "unable to load archetypes\n";
		2667	}
		2668
		2669	sub reload_treasures {
		2670	load_resource_file "$DATADIR/treasures"
		2671	or die "unable to load treasurelists\n";
		2672	}
		2673
		2674	sub reload_resources {
		2675	warn "reloading resource files...\n";
		2676
		2677	reload_regions;
		2678	reload_facedata;
		2679	#reload_archetypes;#d#
		2680	reload_archetypes;
		2681	reload_treasures;
		2682
		2683	warn "finished reloading resource files\n";
		2684	}
		2685
		2686	sub init {
		2687	reload_resources;
		2688	}
2250		2689
2251	sub cfg_load {	2690	sub cfg_load {
2252	open my $fh, "<:utf8", cf::confdir . "/config"	2691	open my $fh, "<:utf8", "$CONFDIR/config"
2253	or return;	2692	or return;
2254		2693
2255	local $/;	2694	local $/;
2256	*CFG = YAML::Syck::Load <$fh>;	2695	*CFG = YAML::Syck::Load <$fh>;
2257		2696
…		…
2277	Event::one_event;	2716	Event::one_event;
2278	})->prio (Coro::PRIO_MAX);	2717	})->prio (Coro::PRIO_MAX);
2279	};	2718	};
2280		2719
2281	cfg_load;	2720	cfg_load;
2282	db_load;	2721	db_init;
2283	load_extensions;	2722	load_extensions;
2284		2723
2285	$TICK_WATCHER->start;	2724	$TICK_WATCHER->start;
2286	Event::loop;	2725	Event::loop;
2287	}	2726	}
…		…
2294	for my $signal (qw(INT HUP TERM)) {	2733	for my $signal (qw(INT HUP TERM)) {
2295	Event->signal (	2734	Event->signal (
2296	reentrant => 0,	2735	reentrant => 0,
2297	data => WF_AUTOCANCEL,	2736	data => WF_AUTOCANCEL,
2298	signal => $signal,	2737	signal => $signal,
		2738	prio => 0,
2299	cb => sub {	2739	cb => sub {
2300	cf::cleanup "SIG$signal";	2740	cf::cleanup "SIG$signal";
2301	},	2741	},
2302	);	2742	);
2303	}	2743	}
		2744	}
		2745
		2746	sub write_runtime {
		2747	my $runtime = "$LOCALDIR/runtime";
		2748
		2749	# first touch the runtime file to show we are still running:
		2750	# the fsync below can take a very very long time.
		2751
		2752	IO::AIO::aio_utime $runtime, undef, undef;
		2753
		2754	my $guard = cf::lock_acquire "write_runtime";
		2755
		2756	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2757	or return;
		2758
		2759	my $value = $cf::RUNTIME + 90 + 10;
		2760	# 10 is the runtime save interval, for a monotonic clock
		2761	# 60 allows for the watchdog to kill the server.
		2762
		2763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2764	and return;
		2765
		2766	# always fsync - this file is important
		2767	aio_fsync $fh
		2768	and return;
		2769
		2770	# touch it again to show we are up-to-date
		2771	aio_utime $fh, undef, undef;
		2772
		2773	close $fh
		2774	or return;
		2775
		2776	aio_rename "$runtime~", $runtime
		2777	and return;
		2778
		2779	warn "runtime file written.\n";
		2780
		2781	1
2304	}	2782	}
2305		2783
2306	sub emergency_save() {	2784	sub emergency_save() {
2307	my $freeze_guard = cf::freeze_mainloop;	2785	my $freeze_guard = cf::freeze_mainloop;
2308		2786
…		…
2325	my $map = $cf::MAP{$path} or next;	2803	my $map = $cf::MAP{$path} or next;
2326	$map->valid or next;	2804	$map->valid or next;
2327	$map->save;	2805	$map->save;
2328	}	2806	}
2329	warn "end emergency map save\n";	2807	warn "end emergency map save\n";
		2808
		2809	warn "begin emergency database checkpoint\n";
		2810	BDB::db_env_txn_checkpoint $DB_ENV;
		2811	warn "end emergency database checkpoint\n";
2330	};	2812	};
2331		2813
2332	warn "leave emergency perl save\n";	2814	warn "leave emergency perl save\n";
2333	}	2815	}
2334		2816
		2817	sub post_cleanup {
		2818	my ($make_core) = @_;
		2819
		2820	warn Carp::longmess "post_cleanup backtrace"
		2821	if $make_core;
		2822	}
		2823
2335	sub reload() {	2824	sub do_reload_perl() {
2336	# can/must only be called in main	2825	# can/must only be called in main
2337	if ($Coro::current != $Coro::main) {	2826	if ($Coro::current != $Coro::main) {
2338	warn "can only reload from main coroutine";	2827	warn "can only reload from main coroutine";
2339	return;	2828	return;
2340	}	2829	}
2341		2830
2342	warn "reloading...";	2831	warn "reloading...";
2343		2832
2344	warn "cancelling server ticker";	2833	warn "entering sync_job";
2345	$TICK_WATCHER->cancel;
2346		2834
		2835	cf::sync_job {
		2836	cf::write_runtime; # external watchdog should not bark
2347	cf::emergency_save;	2837	cf::emergency_save;
		2838	cf::write_runtime; # external watchdog should not bark
2348		2839
2349	eval {	2840	warn "syncing database to disk";
		2841	BDB::db_env_txn_checkpoint $DB_ENV;
		2842
2350	# if anything goes wrong in here, we should simply crash as we already saved	2843	# if anything goes wrong in here, we should simply crash as we already saved
2351
2352	warn "syncing database to disk";
2353	cf::db_sync;
2354		2844
2355	warn "cancelling all WF_AUTOCANCEL watchers";	2845	warn "cancelling all WF_AUTOCANCEL watchers";
2356	for (Event::all_watchers) {	2846	for (Event::all_watchers) {
2357	$_->cancel if $_->data & WF_AUTOCANCEL;	2847	$_->cancel if $_->data & WF_AUTOCANCEL;
2358	}	2848	}
2359		2849
2360	warn "flushing outstanding aio requests";	2850	warn "flushing outstanding aio requests";
2361	for (;;) {	2851	for (;;) {
		2852	BDB::flush;
2362	IO::AIO::flush;	2853	IO::AIO::flush;
2363	Coro::cede;	2854	Coro::cede;
2364	last unless IO::AIO::nreqs;	2855	last unless IO::AIO::nreqs || BDB::nreqs;
2365	warn "iterate...";	2856	warn "iterate...";
2366	}	2857	}
		2858
		2859	++$RELOAD;
2367		2860
2368	warn "cancelling all extension coros";	2861	warn "cancelling all extension coros";
2369	$_->cancel for values %EXT_CORO;	2862	$_->cancel for values %EXT_CORO;
2370	%EXT_CORO = ();	2863	%EXT_CORO = ();
2371		2864
…		…
2411	Symbol::delete_package "safe::$_"	2904	Symbol::delete_package "safe::$_"
2412	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2905	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2413		2906
2414	warn "unloading cf.pm \"a bit\"";	2907	warn "unloading cf.pm \"a bit\"";
2415	delete $INC{"cf.pm"};	2908	delete $INC{"cf.pm"};
		2909	delete $INC{"cf/pod.pm"};
2416		2910
2417	# don't, removes xs symbols, too,	2911	# don't, removes xs symbols, too,
2418	# and global variables created in xs	2912	# and global variables created in xs
2419	#Symbol::delete_package __PACKAGE__;	2913	#Symbol::delete_package __PACKAGE__;
2420		2914
…		…
2424	require cf;	2918	require cf;
2425	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2426		2920
2427	warn "loading config and database again";	2921	warn "loading config and database again";
2428	cf::cfg_load;	2922	cf::cfg_load;
2429	cf::db_load;
2430		2923
2431	warn "loading extensions";	2924	warn "loading extensions";
2432	cf::load_extensions;	2925	cf::load_extensions;
2433		2926
2434	warn "reattaching attachments to objects/players";	2927	warn "reattaching attachments to objects/players";
2435	_global_reattach;	2928	_global_reattach; # objects, sockets
2436	warn "reattaching attachments to maps";	2929	warn "reattaching attachments to maps";
2437	reattach $_ for values %MAP;	2930	reattach $_ for values %MAP;
		2931	warn "reattaching attachments to players";
		2932	reattach $_ for values %PLAYER;
2438		2933
2439	warn "restarting server ticker";	2934	warn "leaving sync_job";
2440		2935
2441	$TICK_WATCHER->start;	2936	1
2442	};	2937	} or do {
2443
2444	if ($@) {
2445	warn $@;	2938	warn $@;
2446	warn "error while reloading, exiting.";	2939	warn "error while reloading, exiting.";
2447	exit 1;	2940	exit 1;
2448	}	2941	};
2449		2942
2450	warn "reloaded";	2943	warn "reloaded";
2451	};	2944	};
2452		2945
2453	our $RELOAD_WATCHER; # used only during reload	2946	our $RELOAD_WATCHER; # used only during reload
2454		2947
		2948	sub reload_perl() {
		2949	# doing reload synchronously and two reloads happen back-to-back,
		2950	# coro crashes during coro_state_free->destroy here.
		2951
		2952	$RELOAD_WATCHER ||= Event->timer (
		2953	reentrant => 0,
		2954	after => 0,
		2955	data => WF_AUTOCANCEL,
		2956	cb => sub {
		2957	do_reload_perl;
		2958	undef $RELOAD_WATCHER;
		2959	},
		2960	);
		2961	}
		2962
2455	register_command "reload" => sub {	2963	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2964	my ($who, $arg) = @_;
2457		2965
2458	if ($who->flag (FLAG_WIZ)) {	2966	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("reloading server.");	2967	$who->message ("reloading server.");
2460		2968	async { reload_perl };
2461	# doing reload synchronously and two reloads happen back-to-back,
2462	# coro crashes during coro_state_free->destroy here.
2463
2464	$RELOAD_WATCHER ||= Event->timer (
2465	reentrant => 0,
2466	after => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => sub {
2469	reload;
2470	undef $RELOAD_WATCHER;
2471	},
2472	);
2473	}	2969	}
2474	};	2970	};
2475		2971
2476	unshift @INC, $LIBDIR;	2972	unshift @INC, $LIBDIR;
2477		2973
2478	my $bug_warning = 0;	2974	my $bug_warning = 0;
2479		2975
		2976	our @WAIT_FOR_TICK;
		2977	our @WAIT_FOR_TICK_BEGIN;
		2978
		2979	sub wait_for_tick {
		2980	return unless $TICK_WATCHER->is_active;
		2981	return if $Coro::current == $Coro::main;
		2982
		2983	my $signal = new Coro::Signal;
		2984	push @WAIT_FOR_TICK, $signal;
		2985	$signal->wait;
		2986	}
		2987
		2988	sub wait_for_tick_begin {
		2989	return unless $TICK_WATCHER->is_active;
		2990	return if $Coro::current == $Coro::main;
		2991
		2992	my $signal = new Coro::Signal;
		2993	push @WAIT_FOR_TICK_BEGIN, $signal;
		2994	$signal->wait;
		2995	}
		2996
		2997	my $min = 1e6;#d#
		2998	my $avg = 10;
2480	$TICK_WATCHER = Event->timer (	2999	$TICK_WATCHER = Event->timer (
2481	reentrant => 0,	3000	reentrant => 0,
2482	parked => 1,	3001	parked => 1,
2483	prio => 0,	3002	prio => 0,
2484	at => $NEXT_TICK || $TICK,	3003	at => $NEXT_TICK || $TICK,
…		…
2488	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3007	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2489	unless ++$bug_warning > 10;	3008	unless ++$bug_warning > 10;
2490	return;	3009	return;
2491	}	3010	}
2492		3011
2493	$NOW = Event::time;	3012	$NOW = $tick_start = Event::time;
2494		3013
2495	cf::server_tick; # one server iteration	3014	cf::server_tick; # one server iteration
		3015
		3016	0 && sync_job {#d#
		3017	for(1..10) {
		3018	my $t = Event::time;
		3019	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3020	or die;
		3021
		3022	$map->width (50);
		3023	$map->height (50);
		3024	$map->alloc;
		3025	$map->_load_objects ("/tmp/x.map", 1);
		3026	my $t = Event::time - $t;
		3027
		3028	#next unless $t < 0.0013;#d#
		3029	if ($t < $min) {
		3030	$min = $t;
		3031	}
		3032	$avg = $avg * 0.99 + $t * 0.01;
		3033	}
		3034	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3035	exit 0;
		3036	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3037	};
		3038
2496	$RUNTIME += $TICK;	3039	$RUNTIME += $TICK;
2497	$NEXT_TICK += $TICK;	3040	$NEXT_TICK += $TICK;
2498		3041
2499	$WAIT_FOR_TICK->broadcast;	3042	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3043	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3044	Coro::async_pool {
		3045	write_runtime
		3046	or warn "ERROR: unable to write runtime file: $!";
		3047	};
		3048	}
		3049
		3050	# my $AFTER = Event::time;
		3051	# warn $AFTER - $NOW;#d#
		3052
		3053	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3054	$sig->send;
		3055	}
		3056	while (my $sig = shift @WAIT_FOR_TICK) {
		3057	$sig->send;
		3058	}
		3059
		3060	$NOW = Event::time;
2501		3061
2502	# if we are delayed by four ticks or more, skip them all	3062	# if we are delayed by four ticks or more, skip them all
2503	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3063	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2504		3064
2505	$TICK_WATCHER->at ($NEXT_TICK);	3065	$TICK_WATCHER->at ($NEXT_TICK);
2506	$TICK_WATCHER->start;	3066	$TICK_WATCHER->start;
		3067
		3068	$LOAD = ($NOW - $tick_start) / $TICK;
		3069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3070
		3071	_post_tick;
		3072
		3073
2507	},	3074	},
2508	);	3075	);
2509		3076
		3077	{
2510	IO::AIO::max_poll_time $TICK * 0.2;	3078	BDB::max_poll_time $TICK * 0.1;
		3079	$BDB_POLL_WATCHER = Event->io (
		3080	reentrant => 0,
		3081	fd => BDB::poll_fileno,
		3082	poll => 'r',
		3083	prio => 0,
		3084	data => WF_AUTOCANCEL,
		3085	cb => \&BDB::poll_cb,
		3086	);
		3087	BDB::min_parallel 8;
2511		3088
		3089	BDB::set_sync_prepare {
		3090	my $status;
		3091	my $current = $Coro::current;
		3092	(
		3093	sub {
		3094	$status = $!;
		3095	$current->ready; undef $current;
		3096	},
		3097	sub {
		3098	Coro::schedule while defined $current;
		3099	$! = $status;
		3100	},
		3101	)
		3102	};
		3103
		3104	unless ($DB_ENV) {
		3105	$DB_ENV = BDB::db_env_create;
		3106
		3107	cf::sync_job {
		3108	eval {
		3109	BDB::db_env_open
		3110	$DB_ENV,
		3111	$BDBDIR,
		3112	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3113	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3114	0666;
		3115
		3116	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3117
		3118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3119	$DB_ENV->set_lk_detect;
		3120	};
		3121
		3122	cf::cleanup "db_env_open(db): $@" if $@;
		3123	};
		3124	}
		3125	}
		3126
		3127	{
		3128	IO::AIO::min_parallel 8;
		3129
2512	undef $Coro::AIO::WATCHER;	3130	undef $Coro::AIO::WATCHER;
		3131	IO::AIO::max_poll_time $TICK * 0.1;
2513	$AIO_POLL_WATCHER = Event->io (	3132	$AIO_POLL_WATCHER = Event->io (
2514	reentrant => 0,	3133	reentrant => 0,
		3134	data => WF_AUTOCANCEL,
2515	fd => IO::AIO::poll_fileno,	3135	fd => IO::AIO::poll_fileno,
2516	poll => 'r',	3136	poll => 'r',
2517	prio => 6,	3137	prio => 6,
2518	data => WF_AUTOCANCEL,
2519	cb => \&IO::AIO::poll_cb,	3138	cb => \&IO::AIO::poll_cb,
2520	);	3139	);
		3140	}
2521		3141
2522	$WRITE_RUNTIME_WATCHER = Event->timer (	3142	my $_log_backtrace;
2523	reentrant => 0,	3143
2524	data => WF_AUTOCANCEL,	3144	sub _log_backtrace {
2525	after => 1,	3145	my ($msg, @addr) = @_;
2526	interval => 10,	3146
2527	prio => 6, # keep it lowest so it acts like a watchdog	3147	$msg =~ s/\n//;
2528	cb => Coro::unblock_sub {	3148
2529	write_runtime	3149	# limit the # of concurrent backtraces
2530	or warn "ERROR: unable to write runtime file: $!";	3150	if ($_log_backtrace < 2) {
		3151	++$_log_backtrace;
		3152	async {
		3153	my @bt = fork_call {
		3154	@addr = map { sprintf "%x", $_ } @addr;
		3155	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3156	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3157	or die "addr2line: $!";
		3158
		3159	my @funcs;
		3160	my @res = <$fh>;
		3161	chomp for @res;
		3162	while (@res) {
		3163	my ($func, $line) = splice @res, 0, 2, ();
		3164	push @funcs, "[$func] $line";
		3165	}
		3166
		3167	@funcs
		3168	};
		3169
		3170	LOG llevInfo, "[ABT] $msg\n";
		3171	LOG llevInfo, "[ABT] $_\n" for @bt;
		3172	--$_log_backtrace;
		3173	};
		3174	} else {
		3175	LOG llevInfo, "[ABT] $msg\n";
		3176	LOG llevInfo, "[ABT] [suppressed]\n";
2531	},	3177	}
2532	);	3178	}
		3179
		3180	# load additional modules
		3181	use cf::pod;
2533		3182
2534	END { cf::emergency_save }	3183	END { cf::emergency_save }
2535		3184
2536	1	3185	1
2537		3186

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