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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.306 by root, Sat Jul 14 14:33:30 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 3.5 ();	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 JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		41
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;	80	our $NOW;
…		…
65	our $RUNTIME;	89	our $RUNTIME;
66		90
67	our %PLAYER; # all users	91	our %PLAYER; # all users
68	our %MAP; # all maps	92	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		94
76	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
79	binmode STDOUT;	102	binmode STDOUT;
80	binmode STDERR;	103	binmode STDERR;
81		104
82	# read virtual server time, if available	105	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
87	}	110	}
88		111
89	mkdir cf::localdir;	112	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		114
96	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
97		116
98	sub cf::map::normalise;	117	sub cf::map::normalise;
99		118
…		…
110	=item $cf::RUNTIME	129	=item $cf::RUNTIME
111		130
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	132	every server tick.
114		133
115	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		137
117	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
119		142
120	=item $cf::NOW	143	=item $cf::NOW
121		144
122	The time of the last (current) server tick.	145	The time of the last (current) server tick.
123		146
124	=item $cf::TICK	147	=item $cf::TICK
125		148
126	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
127		160
128	=item %cf::CFG	161	=item %cf::CFG
129		162
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	164	from wherever your confdir points to.
132		165
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		167
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.
139		171
140	=back	172	=back
141		173
142	=cut	174	=cut
143		175
144	BEGIN {	176	BEGIN {
145	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	178	my $msg = join "", @_;
147	utf8::encode $msg;
148		179
149	$msg .= "\n"	180	$msg .= "\n"
150	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
151		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
152	LOG llevError, $msg;	186	LOG llevError, $msg;
153	};	187	};
154	}	188	}
155		189
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		197
163	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	199	# within the Safe compartment.
165	for my $pkg (qw(	200	for my $pkg (qw(
166	cf::global cf::attachable	201	cf::global cf::attachable
…		…
174	}	209	}
175		210
176	$Event::DIED = sub {	211	$Event::DIED = sub {
177	warn "error in event callback: @_";	212	warn "error in event callback: @_";
178	};	213	};
		214
		215	#############################################################################
179		216
180	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
181		218
182	=over 4	219	=over 4
183		220
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	240	$d
204	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
205	}	242	}
206		243
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
210		245
211	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
212		247
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
221		249
222	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
223		251
224	=cut	252	=cut
225		253
226	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
228	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
230		258
231	=item cf::lock_wait $string	259	=item cf::lock_wait $string
232		260
233	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
234		262
…		…
240	returned.	268	returned.
241		269
242	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
244		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
245	=cut	277	=cut
246		278
247	our %LOCK;	279	our %LOCK;
248		280
249	sub lock_wait($) {	281	sub lock_wait($) {
…		…
266		298
267	Coro::guard {	299	Coro::guard {
268	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
270	}	302	}
		303	}
		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
271	}	309	}
272		310
273	sub freeze_mainloop {	311	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
275		313
…		…
290		328
291	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
292		330
293	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
294		332
295	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
298		337
299	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
302	fast or be very important.	341	fast or be very important.
…		…
305		344
306	sub sync_job(&) {	345	sub sync_job(&) {
307	my ($job) = @_;	346	my ($job) = @_;
308		347
309	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
310	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
312		353
313	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
325		366
326	while ($busy) {	367	while ($busy) {
327	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
328	}	369	}
329		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
330	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
331	} else {	379	} else {
332	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
333		381
334	$job->()	382	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
354		402
355	$coro	403	$coro
356	}	404	}
357		405
358	sub write_runtime {	406	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		407
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
362	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
363		412
364	my $value = $cf::RUNTIME + 90 + 10;	413	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		414
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	415	sub _store_scalar {
369	and return;	416	open my $fh, ">", \my $buf
370		417	or die "fork_call: cannot open fh-to-buf in child : $!";
371	# always fsync - this file is important	418	Storable::store_fd $_[0], $fh;
372	aio_fsync $fh
373	and return;
374
375	close $fh	419	close $fh;
376	or return;
377		420
378	aio_rename "$runtime~", $runtime	421	$buf
379	and return;	422	}
380		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
381	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
		582	}
		583
		584	=item cf::datalog type => key => value, ...
		585
		586	Log a datalog packet of the given type with the given key-value pairs.
		587
		588	=cut
		589
		590	sub datalog($@) {
		591	my ($type, %kv) = @_;
		592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	593	}
383		594
384	=back	595	=back
385		596
386	=cut	597	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
395		606
396	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	609	Crossfire TRT).
399		610
400	=over 4	611	=over 4
401		612
402	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
403		614
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
567		778
568	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		783
573	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	785	my $pkg = shift @arg;
575		786
576	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
606	}	817	}
607		818
608	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
609	} else {	820	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	822	}
612		823
613	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
614	}	825	}
615		826
…		…
617	if (ref $_[0]) {	828	if (ref $_[0]) {
618	_object_attach @_;	829	_object_attach @_;
619	} else {	830	} else {
620	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
621	}	832	}
		833	_recalc_want;
622	};	834	};
623		835
624	# all those should be optimised	836	# all those should be optimised
625	sub cf::attachable::detach {	837	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
630	reattach ($obj);	842	reattach ($obj);
631	} else {	843	} else {
632	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
633	}	845	}
		846	_recalc_want;
634	};	847	};
635		848
636	sub cf::attachable::attached {	849	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
638		851
…		…
785	}	998	}
786	} else {	999	} else {
787	aio_unlink $filename;	1000	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1001	aio_unlink "$filename.pst";
789	}	1002	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1003	}
797	}	1004	}
798		1005
799	sub object_freezer_as_string {	1006	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1007	my ($rdata, $objs) = @_;
…		…
806		1013
807	sub object_thawer_load {	1014	sub object_thawer_load {
808	my ($filename) = @_;	1015	my ($filename) = @_;
809		1016
810	my ($data, $av);	1017	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1018
815	(aio_load $filename, $data) >= 0	1019	(aio_load $filename, $data) >= 0
816	or return;	1020	or return;
817		1021
818	unless (aio_stat "$filename.pst") {	1022	unless (aio_stat "$filename.pst") {
…		…
820	or return;	1024	or return;
821	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
822	}	1026	}
823		1027
824	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
826	return ($data, $av);	1030	return ($data, $av);
827	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
828		1038
829	#############################################################################	1039	#############################################################################
830	# command handling &c	1040	# command handling &c
831		1041
832	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1056	}
847		1057
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1059
850	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
851		1065
852	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
853	called.	1067	called.
854		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
855	=cut	1080	=cut
856		1081
857	sub register_extcmd {	1082	sub register_extcmd {
858	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
859		1084
860	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
861	}	1092	}
862		1093
863	cf::player->attach (	1094	cf::player->attach (
864	on_command => sub {	1095	on_command => sub {
865	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
874	cf::override;	1105	cf::override;
875	},	1106	},
876	on_extcmd => sub {	1107	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
878		1109
879	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1111
881	if (ref $msg) {	1112	if (ref $msg) {
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
883	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
884	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
890		1121
891	cf::override;	1122	cf::override;
892	},	1123	},
893	);	1124	);
894		1125
895	sub load_extension {
896	my ($path) = @_;
897
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
899	my $base = $1;
900	my $pkg = $1;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}
923	die $@;
924	}
925
926	push @EXTS, $pkg;
927	}
928
929	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
930	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1131	next unless -r $path;
932	eval {	1132
933	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
934	1	1190	}
935	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
936	}	1196	};
937	}	1197	}
938		1198
939	#############################################################################	1199	#############################################################################
940		1200
		1201	=back
		1202
941	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
942		1204
943	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
944		1206
945	=cut	1207	=cut
…		…
957	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
958		1220
959	=cut	1221	=cut
960		1222
961	sub playerdir($) {	1223	sub playerdir($) {
962	cf::localdir	1224	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1226	}
968		1227
969	sub path($) {	1228	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1230
972	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
973	}	1232	}
974		1233
975	sub find_active($) {	1234	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
990	my $login = $_[0];	1249	my $login = $_[0];
991		1250
992	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
993		1252
994	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
995	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
996	or return;	1262	or return;
997	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
998	}	1264	}
999	}	1265	}
…		…
1036		1302
1037	=cut	1303	=cut
1038		1304
1039	sub quit_character {	1305	sub quit_character {
1040	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1041		1309
1042	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
1044		1312
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1050	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1322	$pl->destroy;
		1323
		1324	my $prefix = qr<^~\Q$name\E/>;
		1325
		1326	# nuke player maps
		1327	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1328
1055	IO::AIO::aio_rmtree $temp;	1329	IO::AIO::aio_rmtree $temp;
		1330	}
		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
1056	}	1344	}
1057		1345
1058	=item cf::player::list_logins	1346	=item cf::player::list_logins
1059		1347
1060	Returns am arrayref of all valid playernames in the system, can take a	1348	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1062		1350
1063	=cut	1351	=cut
1064		1352
1065	sub list_logins {	1353	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1355	or return [];
1068		1356
1069	my @logins;	1357	my @logins;
1070		1358
1071	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1106	}	1394	}
1107		1395
1108	\@paths	1396	\@paths
1109	}	1397	}
1110		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1112		1450
1113	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1114		1452
1115	=cut	1453	=cut
1116		1454
1117	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1118	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1119		1457
1120	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1121		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1460	}
1124		1461
1125	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->{match} && $path =~ $region->{match}) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1126		1502
1127	=back	1503	=back
1128
1129		1504
1130	=head3 cf::map	1505	=head3 cf::map
1131		1506
1132	=over 4	1507	=over 4
1133		1508
…		…
1188	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1189		1564
1190	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1191	local $self->{path};	1566	local $self->{path};
1192	local $self->{load_path};	1567	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1568
1196	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1197	}	1570	}
1198		1571
1199	sub normalise {	1572	sub normalise {
…		…
1271		1644
1272	# the original (read-only) location	1645	# the original (read-only) location
1273	sub load_path {	1646	sub load_path {
1274	my ($self) = @_;	1647	my ($self) = @_;
1275		1648
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1277	}	1650	}
1278		1651
1279	# the temporary/swap location	1652	# the temporary/swap location
1280	sub save_path {	1653	sub save_path {
1281	my ($self) = @_;	1654	my ($self) = @_;
1282		1655
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1285	}	1658	}
1286		1659
1287	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1288	sub uniq_path {	1661	sub uniq_path {
1289	my ($self) = @_;	1662	my ($self) = @_;
1290		1663
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1293	}	1666	}
1294		1667
1295	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1296	# all maps in C++...	1669	# all maps in C++...
1297	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1299		1672
1300	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1302	}	1675	}
1303		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1304	sub unlink_save {	1685	sub unlink_save {
1305	my ($self) = @_;	1686	my ($self) = @_;
1306		1687
1307	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1691	}
1316		1692
1317	sub load_header_from($) {	1693	sub load_header_from($) {
1318	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1319		1695
…		…
1369	$self->load_header_orig	1745	$self->load_header_orig
1370	or return;	1746	or return;
1371	$self->prepare_orig;	1747	$self->prepare_orig;
1372	}	1748	}
1373		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
		1755
1374	1	1756	1
1375	}	1757	}
1376		1758
1377	sub find;	1759	sub find;
1378	sub find {	1760	sub find {
…		…
1390	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1391		1773
1392	$map->load_header	1774	$map->load_header
1393	or return;	1775	or return;
1394		1776
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1780	$map->reset;
1399	undef $guard;	1781	undef $guard;
1400	return find $path;	1782	return find $path;
…		…
1411	my ($self) = @_;	1793	my ($self) = @_;
1412		1794
1413	local $self->{deny_reset} = 1; # loading can take a long time	1795	local $self->{deny_reset} = 1; # loading can take a long time
1414		1796
1415	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1416	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1417		1801
1418	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1419		1803
1420	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1421		1805
1422	$self->alloc;	1806	$self->alloc;
1423		1807
1424	$self->pre_load;	1808	$self->pre_load;
1425
1426	$self->_load_objects ($self->{load_path}, 1)
1427	or return;
1428
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430	if delete $self->{load_original};
1431
1432	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {
1435	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);
1437	}
1438	}
1439
1440	Coro::cede;
1441
1442	# now do the right thing for maps
1443	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;	1809	Coro::cede;
1450	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1451	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	1829	unless $self->difficulty;
1453	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1454	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1455	}	1843	}
1456		1844
1457	$self->post_load;	1845	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	1846	}
1461		1847
1462	sub customise_for {	1848	sub customise_for {
1463	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1464		1850
1465	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1467		1856
1468	$self	1857	$self
1469	}	1858	}
1470		1859
1471	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1582		1971
1583	sub reset_at {	1972	sub reset_at {
1584	my ($self) = @_;	1973	my ($self) = @_;
1585		1974
1586	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1589		1977
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		1980
…		…
1603	my ($self) = @_;	1991	my ($self) = @_;
1604		1992
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1994
1607	return if $self->players;	1995	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		1996
1610	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
1611		1998
1612	$self->in_memory (cf::MAP_SWAPPED);	1999	$self->in_memory (cf::MAP_SWAPPED);
1613		2000
1614	# need to save uniques path	2001	# need to save uniques path
1615	unless ($self->{deny_save}) {	2002	unless ($self->{deny_save}) {
…		…
1647	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1648		2035
1649	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1650	}	2037	}
1651		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1652	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1653		2076
1654	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2078	instantiated unique items. May block.
1656		2079
1657	=cut	2080	=cut
1658		2081
1659	sub unique_maps() {	2082	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1661	or return;	2084	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2085	utf8::decode $_;
1667	next if /\.pst$/;	2086	/\.map$/
1668	next unless /^$PATH_SEP/o;	2087	? normalise $_
1669		2088	: ()
1670	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2090	]
1672
1673	\@paths
1674	}	2091	}
1675		2092
1676	package cf;	2093	package cf;
1677		2094
1678	=back	2095	=back
…		…
1724		2141
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2143
1727	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1729	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1732	}	2163	}
1733	}	2164	}
1734		2165
1735	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1736		2167
…		…
1784	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1785		2216
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2218
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1790		2221
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2223	}
1793		2224
1794	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1796		2229
1797	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1798		2231
1799	unless ($map) {	2232	unless ($map) {
1800	# restore original map position	2233	# restore original map position
…		…
1823		2256
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1826	}	2259	}
1827		2260
1828	cf::player->attach (	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2262
1832	# abort map switching before logout	2263	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2264	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2265	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2266	the new (success) or old (failed) map position. In either case, $done will
1836	};	2267	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2268
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2269	=cut
		2270
		2271	our $GOTOGEN;
1863		2272
1864	sub cf::object::player::goto {	2273	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2274	my ($self, $path, $x, $y, $check, $done) = @_;
		2275
		2276	# do generation counting so two concurrent goto's will be executed in-order
		2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2278
1867	$self->enter_link;	2279	$self->enter_link;
1868		2280
1869	(async {	2281	(async {
1870	my $map = eval {	2282	my $map = eval {
1871	my $map = cf::map::find $path;	2283	my $map = cf::map::find $path;
		2284
		2285	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2286	$map = $map->customise_for ($self);
		2287	$map = $check->($map) if $check && $map;
		2288	} else {
		2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	}
		2291
1873	$map	2292	$map
		2293	};
		2294
		2295	if ($@) {
		2296	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2297	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2298	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2299
		2300	if ($gen == $self->{_goto_generation}) {
		2301	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2302	$self->leave_link ($map, $x, $y);
		2303	}
		2304
		2305	$done->() if $done;
1878	})->prio (1);	2306	})->prio (1);
1879	}	2307	}
1880		2308
1881	=item $player_object->enter_exit ($exit_object)	2309	=item $player_object->enter_exit ($exit_object)
1882		2310
…		…
1921		2349
1922	$rmp->{random_seed} ||= $exit->random_seed;	2350	$rmp->{random_seed} ||= $exit->random_seed;
1923		2351
1924	my $data = cf::to_json $rmp;	2352	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2353	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2354	my $meta = "$RANDOMDIR/$md5.meta";
1927		2355
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2357	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2358	undef $fh;
1931	aio_rename "$meta~", $meta;	2359	aio_rename "$meta~", $meta;
…		…
1940		2368
1941	return unless $self->type == cf::PLAYER;	2369	return unless $self->type == cf::PLAYER;
1942		2370
1943	if ($exit->slaying eq "/!") {	2371	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2373	# the problem is that $exit might not survive long enough
		2374	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2375	cf::sync_job { prepare_random_map $exit };
1946	}	2376	}
1947		2377
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2379	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2380	my $sp = $exit->stats->sp;
1951		2381
1952	$self->enter_link;	2382	$self->enter_link;
		2383
		2384	# if exit is damned, update players death & WoR home-position
		2385	$self->contr->savebed ($slaying, $hp, $sp)
		2386	if $exit->flag (FLAG_DAMNED);
1953		2387
1954	(async {	2388	(async {
1955	$self->deactivate_recursive; # just to be sure	2389	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2390	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2391	$self->goto ($slaying, $hp, $sp);
1958		2392
1959	1;	2393	1;
1960	}) {	2394	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2395	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2396	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2397	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2398	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2399
1966	warn "ERROR in enter_exit: $@";	2400	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2401	$self->leave_link;
1968	}	2402	}
1969	})->prio (1);	2403	})->prio (1);
…		…
1982		2416
1983	sub cf::client::send_drawinfo {	2417	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2418	my ($self, $text, $flags) = @_;
1985		2419
1986	utf8::encode $text;	2420	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2422	}
1989		2423
		2424	=item $client->send_msg ($color, $type, $msg, [extra...])
		2425
		2426	Send a drawinfo or msg packet to the client, formatting the msg for the
		2427	client if neccessary. C<$type> should be a string identifying the type of
		2428	the message, with C<log> being the default. If C<$color> is negative, suppress
		2429	the message unless the client supports the msg packet.
		2430
		2431	=cut
		2432
		2433	sub cf::client::send_msg {
		2434	my ($self, $color, $type, $msg, @extra) = @_;
		2435
		2436	$msg = $self->pl->expand_cfpod ($msg);
		2437
		2438	return unless @extra || length $msg;
		2439
		2440	if ($self->can_msg) {
		2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2442	} else {
		2443	# replace some tags by gcfclient-compatible ones
		2444	for ($msg) {
		2445	1 while
		2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2451	}
		2452
		2453	if ($color >= 0) {
		2454	if (0 && $msg =~ /\[/) {
		2455	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2456	} else {
		2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2458	$self->send_packet ("drawinfo $color $msg")
		2459	}
		2460	}
		2461	}
		2462	}
		2463
		2464	=item $client->ext_event ($type, %msg)
		2465
		2466	Sends an ext event to the client.
		2467
		2468	=cut
		2469
		2470	sub cf::client::ext_event($$%) {
		2471	my ($self, $type, %msg) = @_;
		2472
		2473	return unless $self->extcmd;
		2474
		2475	$msg{msgtype} = "event_$type";
		2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2477	}
1990		2478
1991	=item $success = $client->query ($flags, "text", \&cb)	2479	=item $success = $client->query ($flags, "text", \&cb)
1992		2480
1993	Queues a query to the client, calling the given callback with	2481	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2482	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2483	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2484
1997	Queries can fail, so check the return code. Or don't, as queries will become	2485	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2486	become reliable at some point in the future.
1999		2487
2000	=cut	2488	=cut
2001		2489
2002	sub cf::client::query {	2490	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2491	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2499	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2500	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2501
2014	$self->send_packet ($self->{query_queue}[0][0])	2502	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2503	if @{ $self->{query_queue} } == 1;
		2504
		2505	1
2016	}	2506	}
2017		2507
2018	cf::client->attach (	2508	cf::client->attach (
		2509	on_connect => sub {
		2510	my ($ns) = @_;
		2511
		2512	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2513	},
2019	on_reply => sub {	2514	on_reply => sub {
2020	my ($ns, $msg) = @_;	2515	my ($ns, $msg) = @_;
2021		2516
2022	# this weird shuffling is so that direct followup queries	2517	# this weird shuffling is so that direct followup queries
2023	# get handled first	2518	# get handled first
…		…
2035	} else {	2530	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2531	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2532	}
2038	}	2533	}
2039	},	2534	},
		2535	on_exticmd => sub {
		2536	my ($ns, $buf) = @_;
		2537
		2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2539
		2540	if (ref $msg) {
		2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2542	if (my %reply = $cb->($ns, $msg)) {
		2543	$reply{msgid} = $msg->{msgid};
		2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2545	}
		2546	}
		2547	} else {
		2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2549	}
		2550
		2551	cf::override;
		2552	},
2040	);	2553	);
2041		2554
2042	=item $client->async (\&cb)	2555	=item $client->async (\&cb)
2043		2556
2044	Create a new coroutine, running the specified callback. The coroutine will	2557	Create a new coroutine, running the specified callback. The coroutine will
…		…
2091		2604
2092	# here we export the classes and methods available to script code	2605	# here we export the classes and methods available to script code
2093		2606
2094	=pod	2607	=pod
2095		2608
2096	The following fucntions and emthods are available within a safe environment:	2609	The following functions and methods are available within a safe environment:
2097		2610
2098	cf::object contr pay_amount pay_player map	2611	cf::object
		2612	contr pay_amount pay_player map x y force_find force_add
		2613	insert remove
		2614
2099	cf::object::player player	2615	cf::object::player
2100	cf::player peaceful	2616	player
2101	cf::map trigger	2617
		2618	cf::player
		2619	peaceful
		2620
		2621	cf::map
		2622	trigger
2102		2623
2103	=cut	2624	=cut
2104		2625
2105	for (	2626	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2628	insert remove)],
2107	["cf::object::player" => qw(player)],	2629	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2630	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2631	["cf::map" => qw(trigger)],
2110	) {	2632	) {
2111	no strict 'refs';	2633	no strict 'refs';
…		…
2182	=back	2704	=back
2183		2705
2184	=cut	2706	=cut
2185		2707
2186	#############################################################################	2708	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2709	# the server's init and main functions
2260		2710
2261	sub load_resources {	2711	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2712	my ($path) = @_;
		2713
		2714	warn "loading facedata from $path\n";
		2715
		2716	my $facedata;
		2717	0 < aio_load $path, $facedata
		2718	or die "$path: $!";
		2719
		2720	$facedata = Coro::Storable::thaw $facedata;
		2721
		2722	$facedata->{version} == 2
		2723	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2724
		2725	{
		2726	my $faces = $facedata->{faceinfo};
		2727
		2728	while (my ($face, $info) = each %$faces) {
		2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2730	cf::face::set_visibility $idx, $info->{visibility};
		2731	cf::face::set_magicmap $idx, $info->{magicmap};
		2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2734
		2735	cf::cede_to_tick;
		2736	}
		2737
		2738	while (my ($face, $info) = each %$faces) {
		2739	next unless $info->{smooth};
		2740	my $idx = cf::face::find $face
		2741	or next;
		2742	if (my $smooth = cf::face::find $info->{smooth}) {
		2743	cf::face::set_smooth $idx, $smooth;
		2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2745	} else {
		2746	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2747	}
		2748
		2749	cf::cede_to_tick;
		2750	}
		2751	}
		2752
		2753	{
		2754	my $anims = $facedata->{animinfo};
		2755
		2756	while (my ($anim, $info) = each %$anims) {
		2757	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2758	cf::cede_to_tick;
		2759	}
		2760
		2761	cf::anim::invalidate_all; # d'oh
		2762	}
		2763
		2764	{
		2765	# TODO: for gcfclient pleasure, we should give resources
		2766	# that gcfclient doesn't grok a >10000 face index.
		2767	my $res = $facedata->{resource};
		2768	my $enc = JSON::XS->new->utf8->canonical;
		2769
		2770	while (my ($name, $info) = each %$res) {
		2771	my $meta = $enc->encode ({
		2772	name => $name,
		2773	type => $info->{type},
		2774	copyright => $info->{copyright}, #TODO#
		2775	});
		2776	my $data = pack "(w/a*)*", $meta, $info->{data};
		2777	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2778
		2779	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2780	cf::face::set_type $idx, 1;
		2781	cf::face::set_data $idx, 0, $data, $chk;
		2782
		2783	cf::cede_to_tick;
		2784	}
		2785	}
		2786
		2787	1
		2788	}
		2789
		2790	sub reload_regions {
		2791	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	2792	or die "unable to load regions file\n";
		2793
		2794	for (cf::region::list) {
		2795	$_->{match} = qr/$_->{match}/
		2796	if exists $_->{match};
		2797	}
		2798	}
		2799
		2800	sub reload_facedata {
		2801	load_facedata "$DATADIR/facedata"
		2802	or die "unable to load facedata\n";
		2803	}
		2804
		2805	sub reload_archetypes {
		2806	load_resource_file "$DATADIR/archetypes"
		2807	or die "unable to load archetypes\n";
		2808	#d# NEED to laod twice to resolve forward references
		2809	# this really needs to be done in an extra post-pass
		2810	# (which needs to be synchronous, so solve it differently)
		2811	load_resource_file "$DATADIR/archetypes"
		2812	or die "unable to load archetypes\n";
		2813	}
		2814
		2815	sub reload_treasures {
		2816	load_resource_file "$DATADIR/treasures"
		2817	or die "unable to load treasurelists\n";
		2818	}
		2819
		2820	sub reload_resources {
		2821	warn "reloading resource files...\n";
		2822
		2823	reload_regions;
		2824	reload_facedata;
		2825	#reload_archetypes;#d#
		2826	reload_archetypes;
		2827	reload_treasures;
		2828
		2829	warn "finished reloading resource files\n";
		2830	}
		2831
		2832	sub init {
		2833	reload_resources;
2264	}	2834	}
2265		2835
2266	sub cfg_load {	2836	sub cfg_load {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	2837	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	2838	or return;
2269		2839
2270	local $/;	2840	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	2841	*CFG = YAML::Syck::Load <$fh>;
2272		2842
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2850	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	2851	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	2852	};
2283	warn $@ if $@;	2853	warn $@ if $@;
2284	}	2854	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	2855	}
2290		2856
2291	sub main {	2857	sub main {
2292	# we must not ever block the main coroutine	2858	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	2859	local $Coro::idle = sub {
…		…
2321	},	2887	},
2322	);	2888	);
2323	}	2889	}
2324	}	2890	}
2325		2891
		2892	sub write_runtime {
		2893	my $runtime = "$LOCALDIR/runtime";
		2894
		2895	# first touch the runtime file to show we are still running:
		2896	# the fsync below can take a very very long time.
		2897
		2898	IO::AIO::aio_utime $runtime, undef, undef;
		2899
		2900	my $guard = cf::lock_acquire "write_runtime";
		2901
		2902	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2903	or return;
		2904
		2905	my $value = $cf::RUNTIME + 90 + 10;
		2906	# 10 is the runtime save interval, for a monotonic clock
		2907	# 60 allows for the watchdog to kill the server.
		2908
		2909	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2910	and return;
		2911
		2912	# always fsync - this file is important
		2913	aio_fsync $fh
		2914	and return;
		2915
		2916	# touch it again to show we are up-to-date
		2917	aio_utime $fh, undef, undef;
		2918
		2919	close $fh
		2920	or return;
		2921
		2922	aio_rename "$runtime~", $runtime
		2923	and return;
		2924
		2925	warn "runtime file written.\n";
		2926
		2927	1
		2928	}
		2929
2326	sub emergency_save() {	2930	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	2931	my $freeze_guard = cf::freeze_mainloop;
2328		2932
2329	warn "enter emergency perl save\n";	2933	warn "enter emergency perl save\n";
2330		2934
…		…
2361		2965
2362	warn Carp::longmess "post_cleanup backtrace"	2966	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	2967	if $make_core;
2364	}	2968	}
2365		2969
2366	sub reload() {	2970	sub do_reload_perl() {
2367	# can/must only be called in main	2971	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	2972	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	2973	warn "can only reload from main coroutine";
2370	return;	2974	return;
2371	}	2975	}
…		…
2396	Coro::cede;	3000	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3001	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	3002	warn "iterate...";
2399	}	3003	}
2400		3004
		3005	++$RELOAD;
		3006
2401	warn "cancelling all extension coros";	3007	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3008	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3009	%EXT_CORO = ();
2404		3010
2405	warn "removing commands";	3011	warn "removing commands";
2406	%COMMAND = ();	3012	%COMMAND = ();
2407		3013
2408	warn "removing ext commands";	3014	warn "removing ext/exti commands";
2409	%EXTCMD = ();	3015	%EXTCMD = ();
		3016	%EXTICMD = ();
2410		3017
2411	warn "unloading/nuking all extensions";	3018	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3019	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3020	warn "... unloading $pkg";
2414		3021
…		…
2444	Symbol::delete_package "safe::$_"	3051	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3052	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3053
2447	warn "unloading cf.pm \"a bit\"";	3054	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3055	delete $INC{"cf.pm"};
		3056	delete $INC{"cf/pod.pm"};
2449		3057
2450	# don't, removes xs symbols, too,	3058	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3059	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3060	#Symbol::delete_package __PACKAGE__;
2453		3061
…		…
2462		3070
2463	warn "loading extensions";	3071	warn "loading extensions";
2464	cf::load_extensions;	3072	cf::load_extensions;
2465		3073
2466	warn "reattaching attachments to objects/players";	3074	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3075	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3076	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3077	reattach $_ for values %MAP;
2470		3078	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	3079	reattach $_ for values %PLAYER;
2472	load_resources;
2473		3080
2474	warn "leaving sync_job";	3081	warn "leaving sync_job";
2475		3082
2476	1	3083	1
2477	} or do {	3084	} or do {
…		…
2483	warn "reloaded";	3090	warn "reloaded";
2484	};	3091	};
2485		3092
2486	our $RELOAD_WATCHER; # used only during reload	3093	our $RELOAD_WATCHER; # used only during reload
2487		3094
		3095	sub reload_perl() {
		3096	# doing reload synchronously and two reloads happen back-to-back,
		3097	# coro crashes during coro_state_free->destroy here.
		3098
		3099	$RELOAD_WATCHER ||= Event->timer (
		3100	reentrant => 0,
		3101	after => 0,
		3102	data => WF_AUTOCANCEL,
		3103	cb => sub {
		3104	do_reload_perl;
		3105	undef $RELOAD_WATCHER;
		3106	},
		3107	);
		3108	}
		3109
2488	register_command "reload" => sub {	3110	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3111	my ($who, $arg) = @_;
2490		3112
2491	if ($who->flag (FLAG_WIZ)) {	3113	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3114	$who->message ("reloading server.");
2493		3115	async { reload_perl };
2494	# doing reload synchronously and two reloads happen back-to-back,
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);
2506	}	3116	}
2507	};	3117	};
2508		3118
2509	unshift @INC, $LIBDIR;	3119	unshift @INC, $LIBDIR;
2510		3120
2511	my $bug_warning = 0;	3121	my $bug_warning = 0;
2512		3122
		3123	our @WAIT_FOR_TICK;
		3124	our @WAIT_FOR_TICK_BEGIN;
		3125
		3126	sub wait_for_tick {
		3127	return unless $TICK_WATCHER->is_active;
		3128	return if $Coro::current == $Coro::main;
		3129
		3130	my $signal = new Coro::Signal;
		3131	push @WAIT_FOR_TICK, $signal;
		3132	$signal->wait;
		3133	}
		3134
		3135	sub wait_for_tick_begin {
		3136	return unless $TICK_WATCHER->is_active;
		3137	return if $Coro::current == $Coro::main;
		3138
		3139	my $signal = new Coro::Signal;
		3140	push @WAIT_FOR_TICK_BEGIN, $signal;
		3141	$signal->wait;
		3142	}
		3143
		3144	my $min = 1e6;#d#
		3145	my $avg = 10;
2513	$TICK_WATCHER = Event->timer (	3146	$TICK_WATCHER = Event->timer (
2514	reentrant => 0,	3147	reentrant => 0,
2515	parked => 1,	3148	parked => 1,
2516	prio => 0,	3149	prio => 0,
2517	at => $NEXT_TICK || $TICK,	3150	at => $NEXT_TICK || $TICK,
…		…
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3154	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3155	unless ++$bug_warning > 10;
2523	return;	3156	return;
2524	}	3157	}
2525		3158
2526	$NOW = Event::time;	3159	$NOW = $tick_start = Event::time;
2527		3160
2528	cf::server_tick; # one server iteration	3161	cf::server_tick; # one server iteration
		3162
		3163	0 && sync_job {#d#
		3164	for(1..10) {
		3165	my $t = Event::time;
		3166	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3167	or die;
		3168
		3169	$map->width (50);
		3170	$map->height (50);
		3171	$map->alloc;
		3172	$map->_load_objects ("/tmp/x.map", 1);
		3173	my $t = Event::time - $t;
		3174
		3175	#next unless $t < 0.0013;#d#
		3176	if ($t < $min) {
		3177	$min = $t;
		3178	}
		3179	$avg = $avg * 0.99 + $t * 0.01;
		3180	}
		3181	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3182	exit 0;
		3183	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3184	};
		3185
2529	$RUNTIME += $TICK;	3186	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;	3187	$NEXT_TICK += $TICK;
2531		3188
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3189	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	3190	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2535	write_runtime	3192	write_runtime
2536	or warn "ERROR: unable to write runtime file: $!";	3193	or warn "ERROR: unable to write runtime file: $!";
2537	};	3194	};
2538	}	3195	}
2539		3196
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;	3197	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#	3198	# warn $AFTER - $NOW;#d#
2546		3199
		3200	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3201	$sig->send;
		3202	}
		3203	while (my $sig = shift @WAIT_FOR_TICK) {
		3204	$sig->send;
		3205	}
		3206
		3207	$NOW = Event::time;
		3208
2547	# if we are delayed by four ticks or more, skip them all	3209	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3210	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2549		3211
2550	$TICK_WATCHER->at ($NEXT_TICK);	3212	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;	3213	$TICK_WATCHER->start;
		3214
		3215	$LOAD = ($NOW - $tick_start) / $TICK;
		3216	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3217
		3218	_post_tick;
		3219
		3220
2552	},	3221	},
2553	);	3222	);
2554		3223
2555	{	3224	{
2556	BDB::max_poll_time $TICK * 0.1;	3225	BDB::max_poll_time $TICK * 0.1;
…		…
2584		3253
2585	cf::sync_job {	3254	cf::sync_job {
2586	eval {	3255	eval {
2587	BDB::db_env_open	3256	BDB::db_env_open
2588	$DB_ENV,	3257	$DB_ENV,
2589	$BDB_ENV_DIR,	3258	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3259	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3260	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	3261	0666;
2593		3262
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3263	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595		3264
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3265	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;	3266	$DB_ENV->set_lk_detect;
2598	};	3267	};
2599		3268
…		…
2615	prio => 6,	3284	prio => 6,
2616	cb => \&IO::AIO::poll_cb,	3285	cb => \&IO::AIO::poll_cb,
2617	);	3286	);
2618	}	3287	}
2619		3288
		3289	my $_log_backtrace;
		3290
		3291	sub _log_backtrace {
		3292	my ($msg, @addr) = @_;
		3293
		3294	$msg =~ s/\n//;
		3295
		3296	# limit the # of concurrent backtraces
		3297	if ($_log_backtrace < 2) {
		3298	++$_log_backtrace;
		3299	async {
		3300	my @bt = fork_call {
		3301	@addr = map { sprintf "%x", $_ } @addr;
		3302	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3303	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3304	or die "addr2line: $!";
		3305
		3306	my @funcs;
		3307	my @res = <$fh>;
		3308	chomp for @res;
		3309	while (@res) {
		3310	my ($func, $line) = splice @res, 0, 2, ();
		3311	push @funcs, "[$func] $line";
		3312	}
		3313
		3314	@funcs
		3315	};
		3316
		3317	LOG llevInfo, "[ABT] $msg\n";
		3318	LOG llevInfo, "[ABT] $_\n" for @bt;
		3319	--$_log_backtrace;
		3320	};
		3321	} else {
		3322	LOG llevInfo, "[ABT] $msg\n";
		3323	LOG llevInfo, "[ABT] [suppressed]\n";
		3324	}
		3325	}
		3326
		3327	# load additional modules
		3328	use cf::pod;
		3329
2620	END { cf::emergency_save }	3330	END { cf::emergency_save }
2621		3331
2622	1	3332	1
2623		3333

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