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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC

…		…
49	our %COMMAND = ();	49	our %COMMAND = ();
50	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
51		51
52	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	55	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	56	our %EXT_MAP = (); # pluggable maps
56		57
57	our $RELOAD; # number of reloads so far	58	our $RELOAD; # number of reloads so far
58	our @EVENT;	59	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	60
		61	our $CONFDIR = confdir;
		62	our $DATADIR = datadir;
		63	our $LIBDIR = "$DATADIR/ext";
		64	our $PODDIR = "$DATADIR/pod";
		65	our $MAPDIR = "$DATADIR/" . mapdir;
		66	our $LOCALDIR = localdir;
		67	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		70	our $RANDOMDIR = "$LOCALDIR/random";
		71	our $BDBDIR = "$LOCALDIR/db";
60		72
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;	74	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
…		…
75	our $RUNTIME;	87	our $RUNTIME;
76		88
77	our %PLAYER; # all users	89	our %PLAYER; # all users
78	our %MAP; # all maps	90	our %MAP; # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	91	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		92
83	# used to convert map paths into valid unix filenames by replacing / by ∕	93	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		95
		96	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		97	our $LOADAVG; # same thing, but with alpha-smoothing
		98	our $tick_start; # for load detecting purposes
		99
86	binmode STDOUT;	100	binmode STDOUT;
87	binmode STDERR;	101	binmode STDERR;
88		102
89	# read virtual server time, if available	103	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	105	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	106	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	107	$RUNTIME = <$fh> + 0.;
94	}	108	}
95		109
96	mkdir cf::localdir;	110	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		112
103	our $EMERGENCY_POSITION;	113	our $EMERGENCY_POSITION;
104		114
105	sub cf::map::normalise;	115	sub cf::map::normalise;
106		116
…		…
117	=item $cf::RUNTIME	127	=item $cf::RUNTIME
118		128
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	129	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	130	every server tick.
121		131
122	=item $cf::LIBDIR	132	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		133	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		134	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		135
124	The perl library directory, where extensions and cf-specific modules can	136	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	137	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		138	unique-items directory, player file directory, random maps directory and
		139	database environment.
126		140
127	=item $cf::NOW	141	=item $cf::NOW
128		142
129	The time of the last (current) server tick.	143	The time of the last (current) server tick.
130		144
131	=item $cf::TICK	145	=item $cf::TICK
132		146
133	The interval between server ticks, in seconds.	147	The interval between server ticks, in seconds.
		148
		149	=item $cf::LOADAVG
		150
		151	The current CPU load on the server (alpha-smoothed), as a value between 0
		152	(none) and 1 (overloaded), indicating how much time is spent on processing
		153	objects per tick. Healthy values are < 0.5.
		154
		155	=item $cf::LOAD
		156
		157	The raw value load value from the last tick.
134		158
135	=item %cf::CFG	159	=item %cf::CFG
136		160
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	161	Configuration for the server, loaded from C</etc/crossfire/config>, or
138	from wherever your confdir points to.	162	from wherever your confdir points to.
…		…
152	my $msg = join "", @_;	176	my $msg = join "", @_;
153		177
154	$msg .= "\n"	178	$msg .= "\n"
155	unless $msg =~ /\n$/;	179	unless $msg =~ /\n$/;
156		180
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	181	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		182
159	utf8::encode $msg;	183	utf8::encode $msg;
160	LOG llevError, $msg;	184	LOG llevError, $msg;
161	};	185	};
162	}	186	}
…		…
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	192	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		193	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	194	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		195
171	# we bless all objects into (empty) derived classes to force a method lookup	196	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	197	# within the Safe compartment.
173	for my $pkg (qw(	198	for my $pkg (qw(
174	cf::global cf::attachable	199	cf::global cf::attachable
…		…
182	}	207	}
183		208
184	$Event::DIED = sub {	209	$Event::DIED = sub {
185	warn "error in event callback: @_";	210	warn "error in event callback: @_";
186	};	211	};
		212
		213	#############################################################################
187		214
188	=head2 UTILITY FUNCTIONS	215	=head2 UTILITY FUNCTIONS
189		216
190	=over 4	217	=over 4
191		218
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	237	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	238	$d
212	} || "[unable to dump $_[0]: '$@']";	239	} || "[unable to dump $_[0]: '$@']";
213	}	240	}
214		241
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	242	use JSON::XS ();
216		243
217	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
218		245
219	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
220		247
221	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
222		249
223	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
		251
		252	=cut
		253
		254	our $json_coder = JSON::XS->new->convert_blessed->utf8;
		255
		256	sub to_json ($) { $json_coder->encode ($_[0]) }
		257	sub from_json ($) { $json_coder->decode ($_[0]) }
224		258
225	=item cf::lock_wait $string	259	=item cf::lock_wait $string
226		260
227	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
228		262
…		…
234	returned.	268	returned.
235		269
236	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
237	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
238		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
239	=cut	277	=cut
240		278
241	our %LOCK;	279	our %LOCK;
242		280
243	sub lock_wait($) {	281	sub lock_wait($) {
…		…
260		298
261	Coro::guard {	299	Coro::guard {
262	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
264	}	302	}
		303	}
		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
265	}	309	}
266		310
267	sub freeze_mainloop {	311	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
269		313
…		…
284		328
285	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
286		330
287	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
288		332
289	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
292		337
293	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
296	fast or be very important.	341	fast or be very important.
…		…
299		344
300	sub sync_job(&) {	345	sub sync_job(&) {
301	my ($job) = @_;	346	my ($job) = @_;
302		347
303	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
304	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
306		353
307	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
319		366
320	while ($busy) {	367	while ($busy) {
321	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
322	}	369	}
323		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
324	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
325	} else {	379	} else {
326	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
327		381
328	$job->()	382	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
348		402
349	$coro	403	$coro
350	}	404	}
351		405
352	sub write_runtime {	406	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		407
355	my $runtime = cf::localdir . "/runtime";	408	Executes the given code block with the given arguments in a seperate
		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.
356		412
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	413	=cut
358	or return;
359		414
360	my $value = $cf::RUNTIME + 90 + 10;	415	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	416	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		417
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	418	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
365	and return;	419	# or die "socketpair: $!";
		420	pipe my $fh1, my $fh2
		421	or die "pipe: $!";
366		422
367	# always fsync - this file is important	423	if (my $pid = fork) {
368	aio_fsync $fh
369	and return;
370
371	close $fh	424	close $fh2;
372	or return;
373		425
374	aio_rename "$runtime~", $runtime	426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
375	and return;	427	$res = Coro::Storable::thaw $res;
376		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	die $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	eval {
		439	close $fh1;
		440
		441	my @res = eval { $cb->(@args) };
		442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		443	};
		444
		445	warn $@ if $@;
		446	_exit 0;
377	1	447	}
		448	}
		449
		450	=item $value = cf::db_get $family => $key
		451
		452	Returns a single value from the environment database.
		453
		454	=item cf::db_put $family => $key => $value
		455
		456	Stores the given C<$value> in the family. It can currently store binary
		457	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		458
		459	=cut
		460
		461	our $DB;
		462
		463	sub db_init {
		464	unless ($DB) {
		465	$DB = BDB::db_create $DB_ENV;
		466
		467	cf::sync_job {
		468	eval {
		469	$DB->set_flags (BDB::CHKSUM);
		470
		471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		473	cf::cleanup "db_open(db): $!" if $!;
		474	};
		475	cf::cleanup "db_open(db): $@" if $@;
		476	};
		477	}
		478	}
		479
		480	sub db_get($$) {
		481	my $key = "$_[0]/$_[1]";
		482
		483	cf::sync_job {
		484	BDB::db_get $DB, undef, $key, my $data;
		485
		486	$! ? ()
		487	: $data
		488	}
		489	}
		490
		491	sub db_put($$$) {
		492	BDB::dbreq_pri 4;
		493	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		494	}
		495
		496	=item cf::cache $id => [$paths...], $processversion => $process
		497
		498	Generic caching function that returns the value of the resource $id,
		499	caching and regenerating as required.
		500
		501	This function can block.
		502
		503	=cut
		504
		505	sub cache {
		506	my ($id, $src, $processversion, $process) = @_;
		507
		508	my $meta =
		509	join "\x00",
		510	$processversion,
		511	map {
		512	aio_stat $_
		513	and Carp::croak "$_: $!";
		514
		515	($_, (stat _)[7,9])
		516	} @$src;
		517
		518	my $dbmeta = db_get cache => "$id/meta";
		519	if ($dbmeta ne $meta) {
		520	# changed, we may need to process
		521
		522	my @data;
		523	my $md5;
		524
		525	for (0 .. $#$src) {
		526	0 <= aio_load $src->[$_], $data[$_]
		527	or Carp::croak "$src->[$_]: $!";
		528	}
		529
		530	# if processing is expensive, check
		531	# checksum first
		532	if (1) {
		533	$md5 =
		534	join "\x00",
		535	$processversion,
		536	map {
		537	Coro::cede;
		538	($src->[$_], Digest::MD5::md5_hex $data[$_])
		539	} 0.. $#$src;
		540
		541
		542	my $dbmd5 = db_get cache => "$id/md5";
		543	if ($dbmd5 eq $md5) {
		544	db_put cache => "$id/meta", $meta;
		545
		546	return db_get cache => "$id/data";
		547	}
		548	}
		549
		550	my $t1 = Time::HiRes::time;
		551	my $data = $process->(\@data);
		552	my $t2 = Time::HiRes::time;
		553
		554	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		555
		556	db_put cache => "$id/data", $data;
		557	db_put cache => "$id/md5" , $md5;
		558	db_put cache => "$id/meta", $meta;
		559
		560	return $data;
		561	}
		562
		563	db_get cache => "$id/data"
378	}	564	}
379		565
380	=item cf::datalog type => key => value, ...	566	=item cf::datalog type => key => value, ...
381		567
382	Log a datalog packet of the given type with the given key-value pairs.	568	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	586	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	587	to it. All such attachable objects support the following methods.
402		588
403	In the following description, CLASS can be any of C<global>, C<object>	589	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	590	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	591	Crossfire TRT).
406		592
407	=over 4	593	=over 4
408		594
409	=item $attachable->attach ($attachment, key => $value...)	595	=item $attachable->attach ($attachment, key => $value...)
410		596
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	759	$registry = $CB_TYPE[$object_type] ||= [];
574		760
575	} elsif ($type eq "subtype") {	761	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	762	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	763	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	764	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		765
580	} elsif ($type eq "package") {	766	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	767	my $pkg = shift @arg;
582		768
583	while (my ($name, $id) = each %cb_id) {	769	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	798	_attach $registry, $klass, @attach;
613	}	799	}
614		800
615	$obj->{$name} = \%arg;	801	$obj->{$name} = \%arg;
616	} else {	802	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	803	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	804	}
619		805
620	$obj->{_attachment}{$name} = undef;	806	$obj->{_attachment}{$name} = undef;
621	}	807	}
622		808
…		…
624	if (ref $_[0]) {	810	if (ref $_[0]) {
625	_object_attach @_;	811	_object_attach @_;
626	} else {	812	} else {
627	_attach shift->_attach_registry, @_;	813	_attach shift->_attach_registry, @_;
628	}	814	}
		815	_recalc_want;
629	};	816	};
630		817
631	# all those should be optimised	818	# all those should be optimised
632	sub cf::attachable::detach {	819	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	820	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	823	delete $obj->{_attachment}{$name};
637	reattach ($obj);	824	reattach ($obj);
638	} else {	825	} else {
639	Carp::croak "cannot, currently, detach class attachments";	826	Carp::croak "cannot, currently, detach class attachments";
640	}	827	}
		828	_recalc_want;
641	};	829	};
642		830
643	sub cf::attachable::attached {	831	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
645		833
…		…
818	or return;	1006	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1007	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1008	}
821		1009
822	warn sprintf "loading %s (%d)\n",	1010	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1011	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1012	return ($data, $av);
825	}	1013	}
		1014
		1015	=head2 COMMAND CALLBACKS
		1016
		1017	=over 4
		1018
		1019	=cut
826		1020
827	#############################################################################	1021	#############################################################################
828	# command handling &c	1022	# command handling &c
829		1023
830	=item cf::register_command $name => \&callback($ob,$args);	1024	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1037	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1038	}
845		1039
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1040	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1041
848	Register a callbackf ro execution when the client sends an extcmd packet.	1042	Register a callback for execution when the client sends an (synchronous)
		1043	extcmd packet. Ext commands will be processed in the order they are
		1044	received by the server, like other user commands. The first argument is
		1045	the logged-in player. Ext commands can only be processed after a player
		1046	has logged in successfully.
849		1047
850	If the callback returns something, it is sent back as if reply was being	1048	If the callback returns something, it is sent back as if reply was being
851	called.	1049	called.
852		1050
		1051	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1052
		1053	Register a callback for execution when the client sends an (asynchronous)
		1054	exticmd packet. Exti commands are processed by the server as soon as they
		1055	are received, i.e. out of order w.r.t. other commands. The first argument
		1056	is a client socket. Exti commands can be received anytime, even before
		1057	log-in.
		1058
		1059	If the callback returns something, it is sent back as if reply was being
		1060	called.
		1061
853	=cut	1062	=cut
854		1063
855	sub register_extcmd {	1064	sub register_extcmd {
856	my ($name, $cb) = @_;	1065	my ($name, $cb) = @_;
857		1066
858	$EXTCMD{$name} = $cb;	1067	$EXTCMD{$name} = $cb;
		1068	}
		1069
		1070	sub register_exticmd {
		1071	my ($name, $cb) = @_;
		1072
		1073	$EXTICMD{$name} = $cb;
859	}	1074	}
860		1075
861	cf::player->attach (	1076	cf::player->attach (
862	on_command => sub {	1077	on_command => sub {
863	my ($pl, $name, $params) = @_;	1078	my ($pl, $name, $params) = @_;
…		…
888		1103
889	cf::override;	1104	cf::override;
890	},	1105	},
891	);	1106	);
892		1107
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1108	sub load_extensions {
		1109	cf::sync_job {
		1110	my %todo;
		1111
928	for my $ext (<$LIBDIR/*.ext>) {	1112	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1113	next unless -r $path;
930	eval {	1114
931	load_extension $ext;	1115	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1116	my $base = $1;
		1117	my $pkg = $1;
		1118	$pkg =~ s/[^[:word:]]/_/g;
		1119	$pkg = "ext::$pkg";
		1120
		1121	open my $fh, "<:utf8", $path
		1122	or die "$path: $!";
		1123
		1124	my $source = do { local $/; <$fh> };
		1125
		1126	my %ext = (
		1127	path => $path,
		1128	base => $base,
		1129	pkg => $pkg,
		1130	);
		1131
		1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1134
		1135	$ext{source} =
		1136	"package $pkg; use strict; use utf8;\n"
		1137	. "#line 1 \"$path\"\n{\n"
		1138	. $source
		1139	. "\n};\n1";
		1140
		1141	$todo{$base} = \%ext;
		1142	}
		1143
		1144	my %done;
		1145	while (%todo) {
		1146	my $progress;
		1147
		1148	while (my ($k, $v) = each %todo) {
		1149	for (split /,\s*/, $v->{meta}{depends}) {
		1150	goto skip
		1151	unless exists $done{$_};
		1152	}
		1153
		1154	warn "... loading '$k' into '$v->{pkg}'\n";
		1155
		1156	unless (eval $v->{source}) {
		1157	my $msg = $@ ? "$v->{path}: $@\n"
		1158	: "$v->{base}: extension inactive.\n";
		1159
		1160	if (exists $v->{meta}{mandatory}) {
		1161	warn $msg;
		1162	warn "mandatory extension failed to load, exiting.\n";
		1163	exit 1;
		1164	}
		1165
		1166	warn $msg;
		1167	}
		1168
		1169	$done{$k} = delete $todo{$k};
		1170	push @EXTS, $v->{pkg};
		1171	$progress = 1;
932	1	1172	}
933	} or warn "$ext not loaded: $@";	1173
		1174	skip:
		1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1176	unless $progress;
		1177	}
934	}	1178	};
935	}	1179	}
936		1180
937	#############################################################################	1181	#############################################################################
938		1182
		1183	=back
		1184
939	=head2 CORE EXTENSIONS	1185	=head2 CORE EXTENSIONS
940		1186
941	Functions and methods that extend core crossfire objects.	1187	Functions and methods that extend core crossfire objects.
942		1188
943	=cut	1189	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1201	Returns the given player object, loading it if necessary (might block).
956		1202
957	=cut	1203	=cut
958		1204
959	sub playerdir($) {	1205	sub playerdir($) {
960	cf::localdir	1206	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1207	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1208	}
966		1209
967	sub path($) {	1210	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1211	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1088	while and may block, so not sync_job-capable, ever.	1331	while and may block, so not sync_job-capable, ever.
1089		1332
1090	=cut	1333	=cut
1091		1334
1092	sub list_logins {	1335	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1336	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1337	or return [];
1095		1338
1096	my @logins;	1339	my @logins;
1097		1340
1098	for my $login (@$dirs) {	1341	for my $login (@$dirs) {
…		…
1133	}	1376	}
1134		1377
1135	\@paths	1378	\@paths
1136	}	1379	}
1137		1380
		1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1382
		1383	Expand crossfire pod fragments into protocol xml.
		1384
		1385	=cut
		1386
		1387	sub expand_cfpod {
		1388	((my $self), (local $_)) = @_;
		1389
		1390	# escape & and <
		1391	s/&/&amp;/g;
		1392	s/(?<![BIUGH])</&lt;/g;
		1393
		1394	# this is buggy, it needs to properly take care of nested <'s
		1395
		1396	1 while
		1397	# replace B<>, I<>, U<> etc.
		1398	s/B<([^\>]*)>/<b>$1<\/b>/
		1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1401	# replace G<male|female> tags
		1402	|| s{G<([^>|]*)\|([^>]*)>}{
		1403	$self->gender ? $2 : $1
		1404	}ge
		1405	# replace H<hint text>
		1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1407
		1408	# create single paragraphs (very hackish)
		1409	s/(?<=\S)\n(?=\w)/ /g;
		1410
		1411	$_
		1412	}
		1413
1138	=item $player->ext_reply ($msgid, %msg)	1414	=item $player->ext_reply ($msgid, %msg)
1139		1415
1140	Sends an ext reply to the player.	1416	Sends an ext reply to the player.
1141		1417
1142	=cut	1418	=cut
1143		1419
1144	sub ext_reply($$%) {	1420	sub ext_reply($$%) {
1145	my ($self, $id, %msg) = @_;	1421	my ($self, $id, %msg) = @_;
1146		1422
1147	$msg{msgid} = $id;	1423	$msg{msgid} = $id;
1148
1149	$self->send ("ext " . cf::to_json \%msg);	1424	$self->send ("ext " . cf::to_json \%msg);
1150	}	1425	}
1151		1426
1152	=item $player->ext_event ($type, %msg)	1427	=item $player->ext_event ($type, %msg)
1153		1428
…		…
1169		1444
1170	package cf::region;	1445	package cf::region;
1171		1446
1172	=item cf::region::find_by_path $path	1447	=item cf::region::find_by_path $path
1173		1448
1174	Tries to decuce the probable region for a map knowing only its path.	1449	Tries to decuce the likely region for a map knowing only its path.
1175		1450
1176	=cut	1451	=cut
1177		1452
1178	sub find_by_path($) {	1453	sub find_by_path($) {
1179	my ($path) = @_;	1454	my ($path) = @_;
…		…
1253	my ($self, $merge) = @_;	1528	my ($self, $merge) = @_;
1254		1529
1255	# we have to keep some variables in memory intact	1530	# we have to keep some variables in memory intact
1256	local $self->{path};	1531	local $self->{path};
1257	local $self->{load_path};	1532	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1533
1261	$self->SUPER::thawer_merge ($merge);	1534	$self->SUPER::thawer_merge ($merge);
1262	}	1535	}
1263		1536
1264	sub normalise {	1537	sub normalise {
…		…
1336		1609
1337	# the original (read-only) location	1610	# the original (read-only) location
1338	sub load_path {	1611	sub load_path {
1339	my ($self) = @_;	1612	my ($self) = @_;
1340		1613
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1614	"$MAPDIR/$self->{path}.map"
1342	}	1615	}
1343		1616
1344	# the temporary/swap location	1617	# the temporary/swap location
1345	sub save_path {	1618	sub save_path {
1346	my ($self) = @_;	1619	my ($self) = @_;
1347		1620
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1622	"$TMPDIR/$path.map"
1350	}	1623	}
1351		1624
1352	# the unique path, undef == no special unique path	1625	# the unique path, undef == no special unique path
1353	sub uniq_path {	1626	sub uniq_path {
1354	my ($self) = @_;	1627	my ($self) = @_;
1355		1628
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1630	"$UNIQUEDIR/$path"
1358	}	1631	}
1359		1632
1360	# and all this just because we cannot iterate over	1633	# and all this just because we cannot iterate over
1361	# all maps in C++...	1634	# all maps in C++...
1362	sub change_all_map_light {	1635	sub change_all_map_light {
1363	my ($change) = @_;	1636	my ($change) = @_;
1364		1637
1365	$_->change_map_light ($change)	1638	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1639	for grep $_->outdoor, values %cf::MAP;
		1640	}
		1641
		1642	sub decay_objects {
		1643	my ($self) = @_;
		1644
		1645	return if $self->{deny_reset};
		1646
		1647	$self->do_decay_objects;
1367	}	1648	}
1368		1649
1369	sub unlink_save {	1650	sub unlink_save {
1370	my ($self) = @_;	1651	my ($self) = @_;
1371		1652
…		…
1429	$self->load_header_orig	1710	$self->load_header_orig
1430	or return;	1711	or return;
1431	$self->prepare_orig;	1712	$self->prepare_orig;
1432	}	1713	}
1433		1714
		1715	$self->{deny_reset} = 1
		1716	if $self->no_reset;
		1717
1434	$self->default_region (cf::region::find_by_path $self->{path})	1718	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1719	unless $self->default_region;
1436		1720
1437	1	1721	1
1438	}	1722	}
…		…
1453	$map->{last_save} = $cf::RUNTIME;	1737	$map->{last_save} = $cf::RUNTIME;
1454		1738
1455	$map->load_header	1739	$map->load_header
1456	or return;	1740	or return;
1457		1741
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1743	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1744	#$cf::WAIT_FOR_TICK->wait;
1461	$map->reset;	1745	$map->reset;
1462	undef $guard;	1746	undef $guard;
1463	return find $path;	1747	return find $path;
…		…
1474	my ($self) = @_;	1758	my ($self) = @_;
1475		1759
1476	local $self->{deny_reset} = 1; # loading can take a long time	1760	local $self->{deny_reset} = 1; # loading can take a long time
1477		1761
1478	my $path = $self->{path};	1762	my $path = $self->{path};
		1763
		1764	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1765	my $guard = cf::lock_acquire "map_load:$path";
1480		1766
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1767	return if $self->in_memory != cf::MAP_SWAPPED;
1482		1768
1483	$self->in_memory (cf::MAP_LOADING);	1769	$self->in_memory (cf::MAP_LOADING);
1484		1770
1485	$self->alloc;	1771	$self->alloc;
1486		1772
1487	$self->pre_load;	1773	$self->pre_load;
1488	Coro::cede;
1489
1490	$self->_load_objects ($self->{load_path}, 1)
1491	or return;
1492
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};
1495
1496	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {
1499	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);
1501	}
1502	}
1503
1504	Coro::cede;
1505	# now do the right thing for maps
1506	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;	1774	Coro::cede;
1514	$self->set_darkness_map;	1775
		1776	$self->_load_objects ($self->{load_path}, 1)
		1777	or return;
		1778
		1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1780	if delete $self->{load_original};
		1781
		1782	if (my $uniq = $self->uniq_path) {
		1783	utf8::encode $uniq;
		1784	if (aio_open $uniq, O_RDONLY, 0) {
		1785	$self->clear_unique_items;
		1786	$self->_load_objects ($uniq, 0);
		1787	}
		1788	}
		1789
		1790	Coro::cede;
		1791	# now do the right thing for maps
		1792	$self->link_multipart_objects;
1515	$self->difficulty ($self->estimate_difficulty)	1793	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	1794	unless $self->difficulty;
1517	Coro::cede;	1795	Coro::cede;
		1796
		1797	unless ($self->{deny_activate}) {
		1798	$self->decay_objects;
		1799	$self->fix_auto_apply;
		1800	$self->update_buttons;
		1801	Coro::cede;
		1802	$self->set_darkness_map;
		1803	Coro::cede;
1518	$self->activate;	1804	$self->activate;
1519	Coro::cede;	1805	}
		1806
		1807	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	1808	}
1521		1809
1522	$self->post_load;	1810	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	1811	}
1527		1812
1528	sub customise_for {	1813	sub customise_for {
1529	my ($self, $ob) = @_;	1814	my ($self, $ob) = @_;
1530		1815
1531	return find "~" . $ob->name . "/" . $self->{path}	1816	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	1817	if $self->per_player;
		1818
		1819	# return find "?party/" . $ob->name . "/" . $self->{path}
		1820	# if $self->per_party;
1533		1821
1534	$self	1822	$self
1535	}	1823	}
1536		1824
1537	# find and load all maps in the 3x3 area around a map	1825	# find and load all maps in the 3x3 area around a map
…		…
1648		1936
1649	sub reset_at {	1937	sub reset_at {
1650	my ($self) = @_;	1938	my ($self) = @_;
1651		1939
1652	# TODO: safety, remove and allow resettable per-player maps	1940	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	1941	return 1e99 if $self->{deny_reset};
1655		1942
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1943	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1944	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		1945
…		…
1669	my ($self) = @_;	1956	my ($self) = @_;
1670		1957
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	1958	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		1959
1673	return if $self->players;	1960	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		1961
1676	warn "resetting map ", $self->path;#d#	1962	warn "resetting map ", $self->path;
1677		1963
1678	$self->in_memory (cf::MAP_SWAPPED);	1964	$self->in_memory (cf::MAP_SWAPPED);
1679		1965
1680	# need to save uniques path	1966	# need to save uniques path
1681	unless ($self->{deny_save}) {	1967	unless ($self->{deny_save}) {
…		…
1713	$cf::MAP{$self->path} = $self;	1999	$cf::MAP{$self->path} = $self;
1714		2000
1715	$self->reset; # polite request, might not happen	2001	$self->reset; # polite request, might not happen
1716	}	2002	}
1717		2003
		2004	=item $maps = cf::map::tmp_maps
		2005
		2006	Returns an arrayref with all map paths of currently instantiated and saved
		2007	maps. May block.
		2008
		2009	=cut
		2010
		2011	sub tmp_maps() {
		2012	[
		2013	map {
		2014	utf8::decode $_;
		2015	/\.map$/
		2016	? normalise $_
		2017	: ()
		2018	} @{ aio_readdir $TMPDIR or [] }
		2019	]
		2020	}
		2021
		2022	=item $maps = cf::map::random_maps
		2023
		2024	Returns an arrayref with all map paths of currently instantiated and saved
		2025	random maps. May block.
		2026
		2027	=cut
		2028
		2029	sub random_maps() {
		2030	[
		2031	map {
		2032	utf8::decode $_;
		2033	/\.map$/
		2034	? normalise "?random/$_"
		2035	: ()
		2036	} @{ aio_readdir $RANDOMDIR or [] }
		2037	]
		2038	}
		2039
1718	=item cf::map::unique_maps	2040	=item cf::map::unique_maps
1719		2041
1720	Returns an arrayref of paths of all shared maps that have	2042	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2043	instantiated unique items. May block.
1722		2044
1723	=cut	2045	=cut
1724		2046
1725	sub unique_maps() {	2047	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2048	[
1727	or return;	2049	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2050	utf8::decode $_;
1733	next if /\.pst$/;	2051	/\.map$/
1734	next unless /^$PATH_SEP/o;	2052	? normalise $_
1735		2053	: ()
1736	push @paths, cf::map::normalise $_;	2054	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2055	]
1738
1739	\@paths
1740	}	2056	}
1741		2057
1742	package cf;	2058	package cf;
1743		2059
1744	=back	2060	=back
…		…
1790		2106
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2107	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2108
1793	if ($self->{record_replies}) {	2109	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2110	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2111
1795	} else {	2112	} else {
		2113	my $pl = $self->contr;
		2114
		2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2116	my $diag = $pl->{npc_dialog};
		2117	$diag->{pl}->ext_reply (
		2118	$diag->{id},
		2119	msgtype => "reply",
		2120	msg => $diag->{pl}->expand_cfpod ($msg),
		2121	add_topics => []
		2122	);
		2123
		2124	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2125	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2126	$self->message ($msg, $flags);
		2127	}
1798	}	2128	}
1799	}	2129	}
1800		2130
1801	=item $player_object->may ("access")	2131	=item $player_object->may ("access")
1802		2132
…		…
1850	$self->deactivate_recursive;	2180	$self->deactivate_recursive;
1851		2181
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2182	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2183
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2185	if $self->map && $self->map->{path} ne "{link}";
1856		2186
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2188	}
1859		2189
1860	sub cf::object::player::leave_link {	2190	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2191	my ($self, $map, $x, $y) = @_;
		2192
		2193	return unless $self->contr->active;
1862		2194
1863	my $link_pos = delete $self->{_link_pos};	2195	my $link_pos = delete $self->{_link_pos};
1864		2196
1865	unless ($map) {	2197	unless ($map) {
1866	# restore original map position	2198	# restore original map position
…		…
1889		2221
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2223	$self->enter_map ($map, $x, $y);
1892	}	2224	}
1893		2225
1894	cf::player->attach (
1895	on_logout => sub {
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)	2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1927		2227
		2228	Moves the player to the given map-path and coordinates by first freezing
		2229	her, loading and preparing them map, calling the provided $check callback
		2230	that has to return the map if sucecssful, and then unfreezes the player on
		2231	the new (success) or old (failed) map position.
		2232
1928	=cut	2233	=cut
		2234
		2235	our $GOTOGEN;
1929		2236
1930	sub cf::object::player::goto {	2237	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2238	my ($self, $path, $x, $y, $check) = @_;
		2239
		2240	# do generation counting so two concurrent goto's will be executed in-order
		2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2242
1933	$self->enter_link;	2243	$self->enter_link;
1934		2244
1935	(async {	2245	(async {
1936	my $map = eval {	2246	my $map = eval {
1937	my $map = cf::map::find $path;	2247	my $map = cf::map::find $path;
		2248
		2249	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2250	$map = $map->customise_for ($self);
		2251	$map = $check->($map) if $check && $map;
		2252	} else {
		2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2254	}
		2255
1939	$map	2256	$map
		2257	};
		2258
		2259	if ($@) {
		2260	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2261	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2262	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2263
		2264	if ($gen == $self->{_goto_generation}) {
		2265	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2266	$self->leave_link ($map, $x, $y);
		2267	}
1944	})->prio (1);	2268	})->prio (1);
1945	}	2269	}
1946		2270
1947	=item $player_object->enter_exit ($exit_object)	2271	=item $player_object->enter_exit ($exit_object)
1948		2272
…		…
1987		2311
1988	$rmp->{random_seed} ||= $exit->random_seed;	2312	$rmp->{random_seed} ||= $exit->random_seed;
1989		2313
1990	my $data = cf::to_json $rmp;	2314	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2315	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2316	my $meta = "$RANDOMDIR/$md5.meta";
1993		2317
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2319	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2320	undef $fh;
1997	aio_rename "$meta~", $meta;	2321	aio_rename "$meta~", $meta;
…		…
2053		2377
2054	utf8::encode $text;	2378	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2380	}
2057		2381
		2382	=item $client->send_msg ($color, $type, $msg, [extra...])
		2383
		2384	Send a drawinfo or msg packet to the client, formatting the msg for the
		2385	client if neccessary. C<$type> should be a string identifying the type of
		2386	the message, with C<log> being the default. If C<$color> is negative, suppress
		2387	the message unless the client supports the msg packet.
		2388
		2389	=cut
		2390
		2391	sub cf::client::send_msg {
		2392	my ($self, $color, $type, $msg, @extra) = @_;
		2393
		2394	$msg = $self->pl->expand_cfpod ($msg);
		2395
		2396	if ($self->can_msg) {
		2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2398	} else {
		2399	# replace some tags by gcfclient-compatible ones
		2400	for ($msg) {
		2401	1 while
		2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2407	}
		2408
		2409	if ($color >= 0) {
		2410	if (0 && $msg =~ /\[/) {
		2411	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2412	} else {
		2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2414	$self->send_packet ("drawinfo $color $msg")
		2415	}
		2416	}
		2417	}
		2418	}
		2419
2058	=item $client->ext_event ($type, %msg)	2420	=item $client->ext_event ($type, %msg)
2059		2421
2060	Sends an exti event to the client.	2422	Sends an ext event to the client.
2061		2423
2062	=cut	2424	=cut
2063		2425
2064	sub cf::client::ext_event($$%) {	2426	sub cf::client::ext_event($$%) {
2065	my ($self, $type, %msg) = @_;	2427	my ($self, $type, %msg) = @_;
…		…
2072		2434
2073	Queues a query to the client, calling the given callback with	2435	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2436	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2437	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2438
2077	Queries can fail, so check the return code. Or don't, as queries will become	2439	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2440	become reliable at some point in the future.
2079		2441
2080	=cut	2442	=cut
2081		2443
2082	sub cf::client::query {	2444	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2445	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2453	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2454	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2455
2094	$self->send_packet ($self->{query_queue}[0][0])	2456	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2457	if @{ $self->{query_queue} } == 1;
		2458
		2459	1
2096	}	2460	}
2097		2461
2098	cf::client->attach (	2462	cf::client->attach (
2099	on_reply => sub {	2463	on_reply => sub {
2100	my ($ns, $msg) = @_;	2464	my ($ns, $msg) = @_;
…		…
2114	$ns->send_packet ($ns->{query_queue}[0][0]);	2478	$ns->send_packet ($ns->{query_queue}[0][0]);
2115	} else {	2479	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2480	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2481	}
2118	}	2482	}
		2483	},
		2484	on_exticmd => sub {
		2485	my ($ns, $buf) = @_;
		2486
		2487	my $msg = eval { from_json $buf };
		2488
		2489	if (ref $msg) {
		2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2491	if (my %reply = $cb->($ns, $msg)) {
		2492	$reply{msgid} = $msg->{msgid};
		2493	$ns->send ("ext " . cf::to_json \%reply);
		2494	}
		2495	}
		2496	} else {
		2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2498	}
		2499
		2500	cf::override;
2119	},	2501	},
2120	);	2502	);
2121		2503
2122	=item $client->async (\&cb)	2504	=item $client->async (\&cb)
2123		2505
…		…
2262	=back	2644	=back
2263		2645
2264	=cut	2646	=cut
2265		2647
2266	#############################################################################	2648	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433
2434	#############################################################################
2435	# the server's init and main functions	2649	# the server's init and main functions
2436		2650
2437	sub load_facedata($) {	2651	sub load_facedata($) {
2438	my ($path) = @_;	2652	my ($path) = @_;
2439		2653
…		…
2484	}	2698	}
2485		2699
2486	1	2700	1
2487	}	2701	}
2488		2702
		2703	sub reload_regions {
		2704	load_resource_file "$MAPDIR/regions"
		2705	or die "unable to load regions file\n";
		2706	}
		2707
2489	sub reload_facedata {	2708	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	2709	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	2710	or die "unable to load facedata\n";
2492	}	2711	}
2493		2712
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	2713	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	2714	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	2715	or die "unable to load archetypes\n";
2502	}	2716	}
2503		2717
2504	sub reload_treasures {	2718	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	2719	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	2720	or die "unable to load treasurelists\n";
2507	}	2721	}
2508		2722
2509	sub reload_resources {	2723	sub reload_resources {
2510	warn "reloading resource files...\n";	2724	warn "reloading resource files...\n";
2511		2725
2512	reload_regions;	2726	reload_regions;
2513	reload_facedata;	2727	reload_facedata;
		2728	#reload_archetypes;#d#
2514	reload_archetypes;	2729	reload_archetypes;
2515	reload_treasures;	2730	reload_treasures;
2516		2731
2517	warn "finished reloading resource files\n";	2732	warn "finished reloading resource files\n";
2518	}	2733	}
…		…
2520	sub init {	2735	sub init {
2521	reload_resources;	2736	reload_resources;
2522	}	2737	}
2523		2738
2524	sub cfg_load {	2739	sub cfg_load {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	2740	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	2741	or return;
2527		2742
2528	local $/;	2743	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	2744	*CFG = YAML::Syck::Load <$fh>;
2530		2745
…		…
2575	},	2790	},
2576	);	2791	);
2577	}	2792	}
2578	}	2793	}
2579		2794
		2795	sub write_runtime {
		2796	my $runtime = "$LOCALDIR/runtime";
		2797
		2798	# first touch the runtime file to show we are still running:
		2799	# the fsync below can take a very very long time.
		2800
		2801	IO::AIO::aio_utime $runtime, undef, undef;
		2802
		2803	my $guard = cf::lock_acquire "write_runtime";
		2804
		2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2806	or return;
		2807
		2808	my $value = $cf::RUNTIME + 90 + 10;
		2809	# 10 is the runtime save interval, for a monotonic clock
		2810	# 60 allows for the watchdog to kill the server.
		2811
		2812	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2813	and return;
		2814
		2815	# always fsync - this file is important
		2816	aio_fsync $fh
		2817	and return;
		2818
		2819	# touch it again to show we are up-to-date
		2820	aio_utime $fh, undef, undef;
		2821
		2822	close $fh
		2823	or return;
		2824
		2825	aio_rename "$runtime~", $runtime
		2826	and return;
		2827
		2828	warn "runtime file written.\n";
		2829
		2830	1
		2831	}
		2832
2580	sub emergency_save() {	2833	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	2834	my $freeze_guard = cf::freeze_mainloop;
2582		2835
2583	warn "enter emergency perl save\n";	2836	warn "enter emergency perl save\n";
2584		2837
…		…
2659	%EXT_CORO = ();	2912	%EXT_CORO = ();
2660		2913
2661	warn "removing commands";	2914	warn "removing commands";
2662	%COMMAND = ();	2915	%COMMAND = ();
2663		2916
2664	warn "removing ext commands";	2917	warn "removing ext/exti commands";
2665	%EXTCMD = ();	2918	%EXTCMD = ();
		2919	%EXTICMD = ();
2666		2920
2667	warn "unloading/nuking all extensions";	2921	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {	2922	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";	2923	warn "... unloading $pkg";
2670		2924
…		…
2700	Symbol::delete_package "safe::$_"	2954	Symbol::delete_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		2956
2703	warn "unloading cf.pm \"a bit\"";	2957	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	2958	delete $INC{"cf.pm"};
		2959	delete $INC{"cf/pod.pm"};
2705		2960
2706	# don't, removes xs symbols, too,	2961	# don't, removes xs symbols, too,
2707	# and global variables created in xs	2962	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	2963	#Symbol::delete_package __PACKAGE__;
2709		2964
…		…
2787	my $signal = new Coro::Signal;	3042	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	3043	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	3044	$signal->wait;
2790	}	3045	}
2791		3046
		3047	my $min = 1e6;#d#
		3048	my $avg = 10;
2792	$TICK_WATCHER = Event->timer (	3049	$TICK_WATCHER = Event->timer (
2793	reentrant => 0,	3050	reentrant => 0,
2794	parked => 1,	3051	parked => 1,
2795	prio => 0,	3052	prio => 0,
2796	at => $NEXT_TICK || $TICK,	3053	at => $NEXT_TICK || $TICK,
…		…
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	3058	unless ++$bug_warning > 10;
2802	return;	3059	return;
2803	}	3060	}
2804		3061
2805	$NOW = Event::time;	3062	$NOW = $tick_start = Event::time;
2806		3063
2807	cf::server_tick; # one server iteration	3064	cf::server_tick; # one server iteration
		3065
		3066	0 && sync_job {#d#
		3067	for(1..10) {
		3068	my $t = Event::time;
		3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3070	or die;
		3071
		3072	$map->width (50);
		3073	$map->height (50);
		3074	$map->alloc;
		3075	$map->_load_objects ("/tmp/x.map", 1);
		3076	my $t = Event::time - $t;
		3077
		3078	#next unless $t < 0.0013;#d#
		3079	if ($t < $min) {
		3080	$min = $t;
		3081	}
		3082	$avg = $avg * 0.99 + $t * 0.01;
		3083	}
		3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3085	exit 0;
		3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3087	};
2808		3088
2809	$RUNTIME += $TICK;	3089	$RUNTIME += $TICK;
2810	$NEXT_TICK += $TICK;	3090	$NEXT_TICK += $TICK;
2811		3091
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2818	}	3098	}
2819		3099
2820	# my $AFTER = Event::time;	3100	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#	3101	# warn $AFTER - $NOW;#d#
2822		3102
		3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3104	$sig->send;
		3105	}
		3106	while (my $sig = shift @WAIT_FOR_TICK) {
		3107	$sig->send;
		3108	}
		3109
		3110	$NOW = Event::time;
		3111
2823	# if we are delayed by four ticks or more, skip them all	3112	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2825		3114
2826	$TICK_WATCHER->at ($NEXT_TICK);	3115	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;	3116	$TICK_WATCHER->start;
2828		3117
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3118	$LOAD = ($NOW - $tick_start) / $TICK;
2830	$sig->send;	3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2831	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;
2834	}
2835		3120
2836	_post_tick;	3121	_post_tick;
		3122
		3123
2837	},	3124	},
2838	);	3125	);
2839		3126
2840	{	3127	{
2841	BDB::max_poll_time $TICK * 0.1;	3128	BDB::max_poll_time $TICK * 0.1;
…		…
2869		3156
2870	cf::sync_job {	3157	cf::sync_job {
2871	eval {	3158	eval {
2872	BDB::db_env_open	3159	BDB::db_env_open
2873	$DB_ENV,	3160	$DB_ENV,
2874	$BDB_ENV_DIR,	3161	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	3164	0666;
2878		3165
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880		3167
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;	3169	$DB_ENV->set_lk_detect;
2883	};	3170	};
2884		3171
…		…
2900	prio => 6,	3187	prio => 6,
2901	cb => \&IO::AIO::poll_cb,	3188	cb => \&IO::AIO::poll_cb,
2902	);	3189	);
2903	}	3190	}
2904		3191
		3192	my $_log_backtrace;
		3193
		3194	sub _log_backtrace {
		3195	my ($msg, @addr) = @_;
		3196
		3197	$msg =~ s/\n//;
		3198
		3199	# limit the # of concurrent backtraces
		3200	if ($_log_backtrace < 2) {
		3201	++$_log_backtrace;
		3202	async {
		3203	my @bt = fork_call {
		3204	@addr = map { sprintf "%x", $_ } @addr;
		3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3207	or die "addr2line: $!";
		3208
		3209	my @funcs;
		3210	my @res = <$fh>;
		3211	chomp for @res;
		3212	while (@res) {
		3213	my ($func, $line) = splice @res, 0, 2, ();
		3214	push @funcs, "[$func] $line";
		3215	}
		3216
		3217	@funcs
		3218	};
		3219
		3220	LOG llevInfo, "[ABT] $msg\n";
		3221	LOG llevInfo, "[ABT] $_\n" for @bt;
		3222	--$_log_backtrace;
		3223	};
		3224	} else {
		3225	LOG llevInfo, "[ABT] $msg\n";
		3226	LOG llevInfo, "[ABT] [suppressed]\n";
		3227	}
		3228	}
		3229
2905	# load additional modules	3230	# load additional modules
2906	use cf::pod;	3231	use cf::pod;
2907		3232
2908	END { cf::emergency_save }	3233	END { cf::emergency_save }
2909		3234

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