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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.282 by elmex, Tue Jun 19 18:15:34 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
21		24
22	use BDB ();	25	use BDB ();
23	use Data::Dumper;	26	use Data::Dumper;
24	use Digest::MD5;	27	use Digest::MD5;
25	use Fcntl;	28	use Fcntl;
…		…
28	use Time::HiRes;	31	use Time::HiRes;
29	use Compress::LZF;	32	use Compress::LZF;
30		33
31	# configure various modules to our taste	34	# configure various modules to our taste
32	#	35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		39
36	$Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
37		41
…		…
50	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
52		56
53	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
54	our @EVENT;	58	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		59
57	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	73	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	76	our $NEXT_TICK;
62	our $NOW;	77	our $NOW;
…		…
71	our $RUNTIME;	86	our $RUNTIME;
72		87
73	our %PLAYER; # all users	88	our %PLAYER; # all users
74	our %MAP; # all maps	89	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		91
82	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
85	binmode STDOUT;	99	binmode STDOUT;
86	binmode STDERR;	100	binmode STDERR;
87		101
88	# read virtual server time, if available	102	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
93	}	107	}
94		108
95	mkdir cf::localdir;	109	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		111
102	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
103		113
104	sub cf::map::normalise;	114	sub cf::map::normalise;
105		115
…		…
116	=item $cf::RUNTIME	126	=item $cf::RUNTIME
117		127
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	129	every server tick.
120		130
121	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		134
123	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
125		139
126	=item $cf::NOW	140	=item $cf::NOW
127		141
128	The time of the last (current) server tick.	142	The time of the last (current) server tick.
129		143
130	=item $cf::TICK	144	=item $cf::TICK
131		145
132	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
133		157
134	=item %cf::CFG	158	=item %cf::CFG
135		159
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	161	from wherever your confdir points to.
138		162
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		164
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.
145		168
146	=back	169	=back
147		170
148	=cut	171	=cut
149		172
150	BEGIN {	173	BEGIN {
151	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	175	my $msg = join "", @_;
153	utf8::encode $msg;
154		176
155	$msg .= "\n"	177	$msg .= "\n"
156	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
157		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
158	LOG llevError, $msg;	183	LOG llevError, $msg;
159	};	184	};
160	}	185	}
161		186
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		194
169	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	196	# within the Safe compartment.
171	for my $pkg (qw(	197	for my $pkg (qw(
172	cf::global cf::attachable	198	cf::global cf::attachable
…		…
180	}	206	}
181		207
182	$Event::DIED = sub {	208	$Event::DIED = sub {
183	warn "error in event callback: @_";	209	warn "error in event callback: @_";
184	};	210	};
		211
		212	#############################################################################
185		213
186	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
187		215
188	=over 4	216	=over 4
189		217
…		…
232	returned.	260	returned.
233		261
234	Lock names should begin with a unique identifier (for example, cf::map::find	262	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
236		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
237	=cut	269	=cut
238		270
239	our %LOCK;	271	our %LOCK;
240		272
241	sub lock_wait($) {	273	sub lock_wait($) {
…		…
258		290
259	Coro::guard {	291	Coro::guard {
260	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
262	}	294	}
		295	}
		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
263	}	301	}
264		302
265	sub freeze_mainloop {	303	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
267		305
…		…
282		320
283	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
284		322
285	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
286		324
287	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
290		329
291	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
294	fast or be very important.	333	fast or be very important.
…		…
297		336
298	sub sync_job(&) {	337	sub sync_job(&) {
299	my ($job) = @_;	338	my ($job) = @_;
300		339
301	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
302	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
304		345
305	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
317		358
318	while ($busy) {	359	while ($busy) {
319	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
320	}	361	}
321		362
		363	$time = Event::time - $time;
		364
		365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		367
		368	$tick_start += $time; # do not account sync jobs to server load
		369
322	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
323	} else {	371	} else {
324	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
325		373
326	$job->()	374	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
346		394
347	$coro	395	$coro
348	}	396	}
349		397
350	sub write_runtime {	398	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		399
353	my $runtime = cf::localdir . "/runtime";	400	Executes the given code block with the given arguments in a seperate
		401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
354		404
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	=cut
356	or return;
357		406
358	my $value = $cf::RUNTIME + 90 + 10;	407	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	408	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		409
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
363	and return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
364		414
365	# always fsync - this file is important	415	if (my $pid = fork) {
366	aio_fsync $fh
367	and return;
368
369	close $fh	416	close $fh2;
370	or return;
371		417
372	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
373	and return;	419	$res = Coro::Storable::thaw $res;
374		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
375	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
376	}	556	}
377		557
378	=item cf::datalog type => key => value, ...	558	=item cf::datalog type => key => value, ...
379		559
380	Log a datalog packet of the given type with the given key-value pairs.	560	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
400		580
401	In the following description, CLASS can be any of C<global>, C<object>	581	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	583	Crossfire TRT).
404		584
405	=over 4	585	=over 4
406		586
407	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
408		588
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
572		752
573	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		757
578	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	759	my $pkg = shift @arg;
580		760
581	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
611	}	791	}
612		792
613	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
614	} else {	794	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	796	}
617		797
618	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
619	}	799	}
620		800
…		…
622	if (ref $_[0]) {	802	if (ref $_[0]) {
623	_object_attach @_;	803	_object_attach @_;
624	} else {	804	} else {
625	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
626	}	806	}
		807	_recalc_want;
627	};	808	};
628		809
629	# all those should be optimised	810	# all those should be optimised
630	sub cf::attachable::detach {	811	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
635	reattach ($obj);	816	reattach ($obj);
636	} else {	817	} else {
637	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
638	}	819	}
		820	_recalc_want;
639	};	821	};
640		822
641	sub cf::attachable::attached {	823	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
643		825
…		…
816	or return;	998	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1000	}
819		1001
820	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1004	return ($data, $av);
823	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
824		1012
825	#############################################################################	1013	#############################################################################
826	# command handling &c	1014	# command handling &c
827		1015
828	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1030	}
843		1031
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1033
846	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
847		1035
848	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
849	called.	1037	called.
850		1038
851	=cut	1039	=cut
…		…
886		1074
887	cf::override;	1075	cf::override;
888	},	1076	},
889	);	1077	);
890		1078
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
926	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1084	next unless -r $path;
928	eval {	1085
929	load_extension $ext;	1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
930	1	1143	}
931	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
932	}	1149	};
933	}	1150	}
934		1151
935	#############################################################################	1152	#############################################################################
936		1153
		1154	=back
		1155
937	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
938		1157
939	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
940		1159
941	=cut	1160	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
954		1173
955	=cut	1174	=cut
956		1175
957	sub playerdir($) {	1176	sub playerdir($) {
958	cf::localdir	1177	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1179	}
964		1180
965	sub path($) {	1181	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1183
968	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
969	}	1185	}
970		1186
971	sub find_active($) {	1187	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1202	my $login = $_[0];
987		1203
988	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
989		1205
990	$cf::PLAYER{$_[0]} || do {	1206	$cf::PLAYER{$_[0]} || do {
		1207	# rename old playerfiles to new ones
		1208	#TODO: remove when no longer required
		1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1212	aio_unlink +(playerdir $login) . "/$login.pl";
		1213
991	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
992	or return;	1215	or return;
993	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
994	}	1217	}
995	}	1218	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1080		1303
1081	=cut	1304	=cut
1082		1305
1083	sub list_logins {	1306	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1308	or return [];
1086		1309
1087	my @logins;	1310	my @logins;
1088		1311
1089	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1147	=cut	1370	=cut
1148		1371
1149	sub ext_event($$%) {	1372	sub ext_event($$%) {
1150	my ($self, $type, %msg) = @_;	1373	my ($self, $type, %msg) = @_;
1151		1374
1152	delete $msg{msgid};	1375	$self->ns->ext_event ($type, %msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1376	}
1158		1377
1159	package cf;	1378	=head3 cf::region
		1379
		1380	=over 4
		1381
		1382	=cut
		1383
		1384	package cf::region;
		1385
		1386	=item cf::region::find_by_path $path
		1387
		1388	Tries to decuce the likely region for a map knowing only its path.
		1389
		1390	=cut
		1391
		1392	sub find_by_path($) {
		1393	my ($path) = @_;
		1394
		1395	my ($match, $specificity);
		1396
		1397	for my $region (list) {
		1398	if ($region->match && $path =~ $region->match) {
		1399	($match, $specificity) = ($region, $region->specificity)
		1400	if $region->specificity > $specificity;
		1401	}
		1402	}
		1403
		1404	$match
		1405	}
1160		1406
1161	=back	1407	=back
1162
1163		1408
1164	=head3 cf::map	1409	=head3 cf::map
1165		1410
1166	=over 4	1411	=over 4
1167		1412
…		…
1222	my ($self, $merge) = @_;	1467	my ($self, $merge) = @_;
1223		1468
1224	# we have to keep some variables in memory intact	1469	# we have to keep some variables in memory intact
1225	local $self->{path};	1470	local $self->{path};
1226	local $self->{load_path};	1471	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1472
1230	$self->SUPER::thawer_merge ($merge);	1473	$self->SUPER::thawer_merge ($merge);
1231	}	1474	}
1232		1475
1233	sub normalise {	1476	sub normalise {
…		…
1305		1548
1306	# the original (read-only) location	1549	# the original (read-only) location
1307	sub load_path {	1550	sub load_path {
1308	my ($self) = @_;	1551	my ($self) = @_;
1309		1552
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1553	"$MAPDIR/$self->{path}.map"
1311	}	1554	}
1312		1555
1313	# the temporary/swap location	1556	# the temporary/swap location
1314	sub save_path {	1557	sub save_path {
1315	my ($self) = @_;	1558	my ($self) = @_;
1316		1559
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1561	"$TMPDIR/$path.map"
1319	}	1562	}
1320		1563
1321	# the unique path, undef == no special unique path	1564	# the unique path, undef == no special unique path
1322	sub uniq_path {	1565	sub uniq_path {
1323	my ($self) = @_;	1566	my ($self) = @_;
1324		1567
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1569	"$UNIQUEDIR/$path"
1327	}	1570	}
1328		1571
1329	# and all this just because we cannot iterate over	1572	# and all this just because we cannot iterate over
1330	# all maps in C++...	1573	# all maps in C++...
1331	sub change_all_map_light {	1574	sub change_all_map_light {
1332	my ($change) = @_;	1575	my ($change) = @_;
1333		1576
1334	$_->change_map_light ($change)	1577	$_->change_map_light ($change)
1335	for grep $_->outdoor, values %cf::MAP;	1578	for grep $_->outdoor, values %cf::MAP;
		1579	}
		1580
		1581	sub decay_objects {
		1582	my ($self) = @_;
		1583
		1584	return if $self->{deny_reset};
		1585
		1586	$self->do_decay_objects;
1336	}	1587	}
1337		1588
1338	sub unlink_save {	1589	sub unlink_save {
1339	my ($self) = @_;	1590	my ($self) = @_;
1340		1591
…		…
1398	$self->load_header_orig	1649	$self->load_header_orig
1399	or return;	1650	or return;
1400	$self->prepare_orig;	1651	$self->prepare_orig;
1401	}	1652	}
1402		1653
		1654	$self->{deny_reset} = 1
		1655	if $self->no_reset;
		1656
		1657	$self->default_region (cf::region::find_by_path $self->{path})
		1658	unless $self->default_region;
		1659
1403	1	1660	1
1404	}	1661	}
1405		1662
1406	sub find;	1663	sub find;
1407	sub find {	1664	sub find {
…		…
1419	$map->{last_save} = $cf::RUNTIME;	1676	$map->{last_save} = $cf::RUNTIME;
1420		1677
1421	$map->load_header	1678	$map->load_header
1422	or return;	1679	or return;
1423		1680
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	1682	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	1683	#$cf::WAIT_FOR_TICK->wait;
1427	$map->reset;	1684	$map->reset;
1428	undef $guard;	1685	undef $guard;
1429	return find $path;	1686	return find $path;
…		…
1440	my ($self) = @_;	1697	my ($self) = @_;
1441		1698
1442	local $self->{deny_reset} = 1; # loading can take a long time	1699	local $self->{deny_reset} = 1; # loading can take a long time
1443		1700
1444	my $path = $self->{path};	1701	my $path = $self->{path};
		1702
		1703	{
1445	my $guard = cf::lock_acquire "map_load:$path";	1704	my $guard = cf::lock_acquire "map_load:$path";
1446		1705
1447	return if $self->in_memory != cf::MAP_SWAPPED;	1706	return if $self->in_memory != cf::MAP_SWAPPED;
1448		1707
1449	$self->in_memory (cf::MAP_LOADING);	1708	$self->in_memory (cf::MAP_LOADING);
1450		1709
1451	$self->alloc;	1710	$self->alloc;
1452		1711
1453	$self->pre_load;	1712	$self->pre_load;
1454
1455	$self->_load_objects ($self->{load_path}, 1)
1456	or return;
1457
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1459	if delete $self->{load_original};
1460
1461	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {
1464	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);
1466	}
1467	}
1468
1469	Coro::cede;
1470
1471	# now do the right thing for maps
1472	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;	1713	Coro::cede;
1479	$self->set_darkness_map;	1714
		1715	$self->_load_objects ($self->{load_path}, 1)
		1716	or return;
		1717
		1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1719	if delete $self->{load_original};
		1720
		1721	if (my $uniq = $self->uniq_path) {
		1722	utf8::encode $uniq;
		1723	if (aio_open $uniq, O_RDONLY, 0) {
		1724	$self->clear_unique_items;
		1725	$self->_load_objects ($uniq, 0);
		1726	}
		1727	}
		1728
		1729	Coro::cede;
		1730	# now do the right thing for maps
		1731	$self->link_multipart_objects;
1480	$self->difficulty ($self->estimate_difficulty)	1732	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	1733	unless $self->difficulty;
1482	Coro::cede;	1734	Coro::cede;
		1735
		1736	unless ($self->{deny_activate}) {
		1737	$self->decay_objects;
		1738	$self->fix_auto_apply;
		1739	$self->update_buttons;
		1740	Coro::cede;
		1741	$self->set_darkness_map;
		1742	Coro::cede;
1483	$self->activate;	1743	$self->activate;
		1744	}
		1745
		1746	$self->in_memory (cf::MAP_IN_MEMORY);
1484	}	1747	}
1485		1748
1486	$self->post_load;	1749	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1750	}
1490		1751
1491	sub customise_for {	1752	sub customise_for {
1492	my ($self, $ob) = @_;	1753	my ($self, $ob) = @_;
1493		1754
1494	return find "~" . $ob->name . "/" . $self->{path}	1755	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	1756	if $self->per_player;
		1757
		1758	# return find "?party/" . $ob->name . "/" . $self->{path}
		1759	# if $self->per_party;
1496		1760
1497	$self	1761	$self
1498	}	1762	}
1499		1763
1500	# find and load all maps in the 3x3 area around a map	1764	# find and load all maps in the 3x3 area around a map
…		…
1611		1875
1612	sub reset_at {	1876	sub reset_at {
1613	my ($self) = @_;	1877	my ($self) = @_;
1614		1878
1615	# TODO: safety, remove and allow resettable per-player maps	1879	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	1880	return 1e99 if $self->{deny_reset};
1618		1881
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1882	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1883	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		1884
…		…
1632	my ($self) = @_;	1895	my ($self) = @_;
1633		1896
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	1897	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		1898
1636	return if $self->players;	1899	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		1900
1639	warn "resetting map ", $self->path;#d#	1901	warn "resetting map ", $self->path;
1640		1902
1641	$self->in_memory (cf::MAP_SWAPPED);	1903	$self->in_memory (cf::MAP_SWAPPED);
1642		1904
1643	# need to save uniques path	1905	# need to save uniques path
1644	unless ($self->{deny_save}) {	1906	unless ($self->{deny_save}) {
…		…
1676	$cf::MAP{$self->path} = $self;	1938	$cf::MAP{$self->path} = $self;
1677		1939
1678	$self->reset; # polite request, might not happen	1940	$self->reset; # polite request, might not happen
1679	}	1941	}
1680		1942
		1943	=item $maps = cf::map::tmp_maps
		1944
		1945	Returns an arrayref with all map paths of currently instantiated and saved
		1946	maps. May block.
		1947
		1948	=cut
		1949
		1950	sub tmp_maps() {
		1951	[
		1952	map {
		1953	utf8::decode $_;
		1954	/\.map$/
		1955	? normalise $_
		1956	: ()
		1957	} @{ aio_readdir $TMPDIR or [] }
		1958	]
		1959	}
		1960
		1961	=item $maps = cf::map::random_maps
		1962
		1963	Returns an arrayref with all map paths of currently instantiated and saved
		1964	random maps. May block.
		1965
		1966	=cut
		1967
		1968	sub random_maps() {
		1969	[
		1970	map {
		1971	utf8::decode $_;
		1972	/\.map$/
		1973	? normalise "?random/$_"
		1974	: ()
		1975	} @{ aio_readdir $RANDOMDIR or [] }
		1976	]
		1977	}
		1978
1681	=item cf::map::unique_maps	1979	=item cf::map::unique_maps
1682		1980
1683	Returns an arrayref of paths of all shared maps that have	1981	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	1982	instantiated unique items. May block.
1685		1983
1686	=cut	1984	=cut
1687		1985
1688	sub unique_maps() {	1986	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1987	[
1690	or return;	1988	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	1989	utf8::decode $_;
1696	next if /\.pst$/;	1990	/\.map$/
1697	next unless /^$PATH_SEP/o;	1991	? normalise $_
1698		1992	: ()
1699	push @paths, cf::map::normalise $_;	1993	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	1994	]
1701
1702	\@paths
1703	}	1995	}
1704		1996
1705	package cf;	1997	package cf;
1706		1998
1707	=back	1999	=back
…		…
1753		2045
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2047
1756	if ($self->{record_replies}) {	2048	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2050
1758	} else {	2051	} else {
		2052	my $pl = $self->contr;
		2053
		2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2055	my $diag = $pl->{npc_dialog};
		2056	$diag->{pl}->ext_reply (
		2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
		2058	);
		2059
		2060	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2061	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2062	$self->message ($msg, $flags);
		2063	}
1761	}	2064	}
1762	}	2065	}
1763		2066
1764	=item $player_object->may ("access")	2067	=item $player_object->may ("access")
1765		2068
…		…
1813	$self->deactivate_recursive;	2116	$self->deactivate_recursive;
1814		2117
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2118	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2119
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2121	if $self->map && $self->map->{path} ne "{link}";
1819		2122
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2124	}
1822		2125
1823	sub cf::object::player::leave_link {	2126	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2127	my ($self, $map, $x, $y) = @_;
		2128
		2129	return unless $self->contr->active;
1825		2130
1826	my $link_pos = delete $self->{_link_pos};	2131	my $link_pos = delete $self->{_link_pos};
1827		2132
1828	unless ($map) {	2133	unless ($map) {
1829	# restore original map position	2134	# restore original map position
…		…
1852		2157
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2159	$self->enter_map ($map, $x, $y);
1855	}	2160	}
1856		2161
1857	cf::player->attach (
1858	on_logout => sub {
1859	my ($pl) = @_;
1860
1861	# abort map switching before logout
1862	if ($pl->ob->{_link_pos}) {
1863	cf::sync_job {
1864	$pl->ob->leave_link
1865	};
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870
1871	# try to abort aborted map switching on player login :)
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888
1889	=item $player_object->goto ($path, $x, $y)	2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1890		2163
		2164	Moves the player to the given map-path and coordinates by first freezing
		2165	her, loading and preparing them map, calling the provided $check callback
		2166	that has to return the map if sucecssful, and then unfreezes the player on
		2167	the new (success) or old (failed) map position.
		2168
1891	=cut	2169	=cut
		2170
		2171	our $GOTOGEN;
1892		2172
1893	sub cf::object::player::goto {	2173	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2174	my ($self, $path, $x, $y, $check) = @_;
		2175
		2176	# do generation counting so two concurrent goto's will be executed in-order
		2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2178
1896	$self->enter_link;	2179	$self->enter_link;
1897		2180
1898	(async {	2181	(async {
1899	my $map = eval {	2182	my $map = eval {
1900	my $map = cf::map::find $path;	2183	my $map = cf::map::find $path;
		2184
		2185	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2186	$map = $map->customise_for ($self);
		2187	$map = $check->($map) if $check && $map;
		2188	} else {
		2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2190	}
		2191
1902	$map	2192	$map
		2193	};
		2194
		2195	if ($@) {
		2196	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2197	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2198	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2199
		2200	if ($gen == $self->{_goto_generation}) {
		2201	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2202	$self->leave_link ($map, $x, $y);
		2203	}
1907	})->prio (1);	2204	})->prio (1);
1908	}	2205	}
1909		2206
1910	=item $player_object->enter_exit ($exit_object)	2207	=item $player_object->enter_exit ($exit_object)
1911		2208
…		…
1950		2247
1951	$rmp->{random_seed} ||= $exit->random_seed;	2248	$rmp->{random_seed} ||= $exit->random_seed;
1952		2249
1953	my $data = cf::to_json $rmp;	2250	my $data = cf::to_json $rmp;
1954	my $md5 = Digest::MD5::md5_hex $data;	2251	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2252	my $meta = "$RANDOMDIR/$md5.meta";
1956		2253
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2255	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2256	undef $fh;
1960	aio_rename "$meta~", $meta;	2257	aio_rename "$meta~", $meta;
…		…
1969		2266
1970	return unless $self->type == cf::PLAYER;	2267	return unless $self->type == cf::PLAYER;
1971		2268
1972	if ($exit->slaying eq "/!") {	2269	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job	2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2271	# the problem is that $exit might not survive long enough
		2272	# so it needs to be done right now, right here
1974	cf::sync_job { prepare_random_map $exit };	2273	cf::sync_job { prepare_random_map $exit };
1975	}	2274	}
1976		2275
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;	2277	my $hp = $exit->stats->hp;
…		…
1986	$self->goto ($slaying, $hp, $sp);	2285	$self->goto ($slaying, $hp, $sp);
1987		2286
1988	1;	2287	1;
1989	}) {	2288	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2289	$self->message ("Something went wrong deep within the crossfire server. "
1991	. "I'll try to bring you back to the map you were before. "	2290	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2291	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2292	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2293
1995	warn "ERROR in enter_exit: $@";	2294	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2295	$self->leave_link;
1997	}	2296	}
1998	})->prio (1);	2297	})->prio (1);
…		…
2014		2313
2015	utf8::encode $text;	2314	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2316	}
2018		2317
		2318	=item $client->ext_event ($type, %msg)
		2319
		2320	Sends an exti event to the client.
		2321
		2322	=cut
		2323
		2324	sub cf::client::ext_event($$%) {
		2325	my ($self, $type, %msg) = @_;
		2326
		2327	$msg{msgtype} = "event_$type";
		2328	$self->send_packet ("ext " . cf::to_json \%msg);
		2329	}
2019		2330
2020	=item $success = $client->query ($flags, "text", \&cb)	2331	=item $success = $client->query ($flags, "text", \&cb)
2021		2332
2022	Queues a query to the client, calling the given callback with	2333	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2211	=back	2522	=back
2212		2523
2213	=cut	2524	=cut
2214		2525
2215	#############################################################################	2526	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	2527	# the server's init and main functions
2289		2528
2290	sub load_facedata {	2529	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	2530	my ($path) = @_;
2292		2531
2293	warn "loading facedata from $path\n";	2532	warn "loading facedata from $path\n";
2294		2533
2295	my $faces;	2534	my $facedata;
2296	0 < aio_load $path, $faces	2535	0 < aio_load $path, $facedata
2297	or die "$path: $!";	2536	or die "$path: $!";
2298		2537
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	2538	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		2539
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	2540	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	2541	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		2542
		2543	{
		2544	my $faces = $facedata->{faceinfo};
		2545
2307	while (my ($face, $info) = each %$faces) {	2546	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2312	Coro::cede;	2551	Coro::cede;
2313	}	2552	}
2314		2553
2315	while (my ($face, $info) = each %$faces) {	2554	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	2555	next unless $info->{smooth};
2317	my $idx = cf::face::find $face	2556	my $idx = cf::face::find $face
2318	or next;	2557	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {	2558	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2321	} else {	2560	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	2561	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	2562	}
2324	Coro::cede;	2563	Coro::cede;
		2564	}
		2565	}
		2566
		2567	{
		2568	my $anims = $facedata->{animinfo};
		2569
		2570	while (my ($anim, $info) = each %$anims) {
		2571	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2572	Coro::cede;
		2573	}
		2574
		2575	cf::anim::invalidate_all; # d'oh
2325	}	2576	}
2326		2577
2327	1	2578	1
2328	}	2579	}
2329		2580
		2581	sub reload_regions {
		2582	load_resource_file "$MAPDIR/regions"
		2583	or die "unable to load regions file\n";
		2584	}
		2585
		2586	sub reload_facedata {
		2587	load_facedata "$DATADIR/facedata"
		2588	or die "unable to load facedata\n";
		2589	}
		2590
		2591	sub reload_archetypes {
		2592	load_resource_file "$DATADIR/archetypes"
		2593	or die "unable to load archetypes\n";
		2594	}
		2595
		2596	sub reload_treasures {
		2597	load_resource_file "$DATADIR/treasures"
		2598	or die "unable to load treasurelists\n";
		2599	}
		2600
2330	sub reload_resources {	2601	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2602	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	2603
		2604	reload_regions;
2333	load_facedata	2605	reload_facedata;
2334	or die "unable to load facedata\n";#d#	2606	#reload_archetypes;#d#
		2607	reload_archetypes;
		2608	reload_treasures;
		2609
		2610	warn "finished reloading resource files\n";
2335	}	2611	}
2336		2612
2337	sub init {	2613	sub init {
2338	reload_resources;	2614	reload_resources;
2339	}	2615	}
2340		2616
2341	sub cfg_load {	2617	sub cfg_load {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	2618	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	2619	or return;
2344		2620
2345	local $/;	2621	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	2622	*CFG = YAML::Syck::Load <$fh>;
2347		2623
…		…
2392	},	2668	},
2393	);	2669	);
2394	}	2670	}
2395	}	2671	}
2396		2672
		2673	sub write_runtime {
		2674	my $runtime = "$LOCALDIR/runtime";
		2675
		2676	# first touch the runtime file to show we are still running:
		2677	# the fsync below can take a very very long time.
		2678
		2679	IO::AIO::aio_utime $runtime, undef, undef;
		2680
		2681	my $guard = cf::lock_acquire "write_runtime";
		2682
		2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2684	or return;
		2685
		2686	my $value = $cf::RUNTIME + 90 + 10;
		2687	# 10 is the runtime save interval, for a monotonic clock
		2688	# 60 allows for the watchdog to kill the server.
		2689
		2690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2691	and return;
		2692
		2693	# always fsync - this file is important
		2694	aio_fsync $fh
		2695	and return;
		2696
		2697	# touch it again to show we are up-to-date
		2698	aio_utime $fh, undef, undef;
		2699
		2700	close $fh
		2701	or return;
		2702
		2703	aio_rename "$runtime~", $runtime
		2704	and return;
		2705
		2706	warn "runtime file written.\n";
		2707
		2708	1
		2709	}
		2710
2397	sub emergency_save() {	2711	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	2712	my $freeze_guard = cf::freeze_mainloop;
2399		2713
2400	warn "enter emergency perl save\n";	2714	warn "enter emergency perl save\n";
2401		2715
…		…
2432		2746
2433	warn Carp::longmess "post_cleanup backtrace"	2747	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	2748	if $make_core;
2435	}	2749	}
2436		2750
2437	sub reload() {	2751	sub do_reload_perl() {
2438	# can/must only be called in main	2752	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	2753	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	2754	warn "can only reload from main coroutine";
2441	return;	2755	return;
2442	}	2756	}
…		…
2517	Symbol::delete_package "safe::$_"	2831	Symbol::delete_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		2833
2520	warn "unloading cf.pm \"a bit\"";	2834	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	2835	delete $INC{"cf.pm"};
		2836	delete $INC{"cf/pod.pm"};
2522		2837
2523	# don't, removes xs symbols, too,	2838	# don't, removes xs symbols, too,
2524	# and global variables created in xs	2839	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	2840	#Symbol::delete_package __PACKAGE__;
2526		2841
…		…
2541	warn "reattaching attachments to maps";	2856	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	2857	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	2858	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	2859	reattach $_ for values %PLAYER;
2545		2860
2546	warn "loading reloadable resources";
2547	reload_resources;
2548
2549	warn "leaving sync_job";	2861	warn "leaving sync_job";
2550		2862
2551	1	2863	1
2552	} or do {	2864	} or do {
2553	warn $@;	2865	warn $@;
…		…
2558	warn "reloaded";	2870	warn "reloaded";
2559	};	2871	};
2560		2872
2561	our $RELOAD_WATCHER; # used only during reload	2873	our $RELOAD_WATCHER; # used only during reload
2562		2874
		2875	sub reload_perl() {
		2876	# doing reload synchronously and two reloads happen back-to-back,
		2877	# coro crashes during coro_state_free->destroy here.
		2878
		2879	$RELOAD_WATCHER ||= Event->timer (
		2880	reentrant => 0,
		2881	after => 0,
		2882	data => WF_AUTOCANCEL,
		2883	cb => sub {
		2884	do_reload_perl;
		2885	undef $RELOAD_WATCHER;
		2886	},
		2887	);
		2888	}
		2889
2563	register_command "reload" => sub {	2890	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	2891	my ($who, $arg) = @_;
2565		2892
2566	if ($who->flag (FLAG_WIZ)) {	2893	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	2894	$who->message ("reloading server.");
2568		2895	async { reload_perl };
2569	# doing reload synchronously and two reloads happen back-to-back,
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);
2581	}	2896	}
2582	};	2897	};
2583		2898
2584	unshift @INC, $LIBDIR;	2899	unshift @INC, $LIBDIR;
2585		2900
2586	my $bug_warning = 0;	2901	my $bug_warning = 0;
2587		2902
		2903	our @WAIT_FOR_TICK;
		2904	our @WAIT_FOR_TICK_BEGIN;
		2905
		2906	sub wait_for_tick {
		2907	return unless $TICK_WATCHER->is_active;
		2908	return if $Coro::current == $Coro::main;
		2909
		2910	my $signal = new Coro::Signal;
		2911	push @WAIT_FOR_TICK, $signal;
		2912	$signal->wait;
		2913	}
		2914
		2915	sub wait_for_tick_begin {
		2916	return unless $TICK_WATCHER->is_active;
		2917	return if $Coro::current == $Coro::main;
		2918
		2919	my $signal = new Coro::Signal;
		2920	push @WAIT_FOR_TICK_BEGIN, $signal;
		2921	$signal->wait;
		2922	}
		2923
		2924	my $min = 1e6;#d#
		2925	my $avg = 10;
2588	$TICK_WATCHER = Event->timer (	2926	$TICK_WATCHER = Event->timer (
2589	reentrant => 0,	2927	reentrant => 0,
2590	parked => 1,	2928	parked => 1,
2591	prio => 0,	2929	prio => 0,
2592	at => $NEXT_TICK || $TICK,	2930	at => $NEXT_TICK || $TICK,
…		…
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	2935	unless ++$bug_warning > 10;
2598	return;	2936	return;
2599	}	2937	}
2600		2938
2601	$NOW = Event::time;	2939	$NOW = $tick_start = Event::time;
2602		2940
2603	cf::server_tick; # one server iteration	2941	cf::server_tick; # one server iteration
		2942
		2943	0 && sync_job {#d#
		2944	for(1..10) {
		2945	my $t = Event::time;
		2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2947	or die;
		2948
		2949	$map->width (50);
		2950	$map->height (50);
		2951	$map->alloc;
		2952	$map->_load_objects ("/tmp/x.map", 1);
		2953	my $t = Event::time - $t;
		2954
		2955	#next unless $t < 0.0013;#d#
		2956	if ($t < $min) {
		2957	$min = $t;
		2958	}
		2959	$avg = $avg * 0.99 + $t * 0.01;
		2960	}
		2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2962	exit 0;
		2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2964	};
		2965
2604	$RUNTIME += $TICK;	2966	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;	2967	$NEXT_TICK += $TICK;
2606		2968
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2610	write_runtime	2972	write_runtime
2611	or warn "ERROR: unable to write runtime file: $!";	2973	or warn "ERROR: unable to write runtime file: $!";
2612	};	2974	};
2613	}	2975	}
2614		2976
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;	2977	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#	2978	# warn $AFTER - $NOW;#d#
2620		2979
		2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2981	$sig->send;
		2982	}
		2983	while (my $sig = shift @WAIT_FOR_TICK) {
		2984	$sig->send;
		2985	}
		2986
		2987	$NOW = Event::time;
		2988
2621	# if we are delayed by four ticks or more, skip them all	2989	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2623		2991
2624	$TICK_WATCHER->at ($NEXT_TICK);	2992	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;	2993	$TICK_WATCHER->start;
		2994
		2995	$LOAD = ($NOW - $tick_start) / $TICK;
		2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2997
		2998	_post_tick;
		2999
		3000
2626	},	3001	},
2627	);	3002	);
2628		3003
2629	{	3004	{
2630	BDB::max_poll_time $TICK * 0.1;	3005	BDB::max_poll_time $TICK * 0.1;
…		…
2658		3033
2659	cf::sync_job {	3034	cf::sync_job {
2660	eval {	3035	eval {
2661	BDB::db_env_open	3036	BDB::db_env_open
2662	$DB_ENV,	3037	$DB_ENV,
2663	$BDB_ENV_DIR,	3038	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3041	0666;
2667		3042
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669		3044
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;	3046	$DB_ENV->set_lk_detect;
2672	};	3047	};
2673		3048
…		…
2689	prio => 6,	3064	prio => 6,
2690	cb => \&IO::AIO::poll_cb,	3065	cb => \&IO::AIO::poll_cb,
2691	);	3066	);
2692	}	3067	}
2693		3068
		3069	my $_log_backtrace;
		3070
		3071	sub _log_backtrace {
		3072	my ($msg, @addr) = @_;
		3073
		3074	$msg =~ s/\n//;
		3075
		3076	# limit the # of concurrent backtraces
		3077	if ($_log_backtrace < 2) {
		3078	++$_log_backtrace;
		3079	async {
		3080	my @bt = fork_call {
		3081	@addr = map { sprintf "%x", $_ } @addr;
		3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3084	or die "addr2line: $!";
		3085
		3086	my @funcs;
		3087	my @res = <$fh>;
		3088	chomp for @res;
		3089	while (@res) {
		3090	my ($func, $line) = splice @res, 0, 2, ();
		3091	push @funcs, "[$func] $line";
		3092	}
		3093
		3094	@funcs
		3095	};
		3096
		3097	LOG llevInfo, "[ABT] $msg\n";
		3098	LOG llevInfo, "[ABT] $_\n" for @bt;
		3099	--$_log_backtrace;
		3100	};
		3101	} else {
		3102	LOG llevInfo, "[ABT] $msg\n";
		3103	LOG llevInfo, "[ABT] [suppressed]\n";
		3104	}
		3105	}
		3106
		3107	# load additional modules
		3108	use cf::pod;
		3109
2694	END { cf::emergency_save }	3110	END { cf::emergency_save }
2695		3111
2696	1	3112	1
2697		3113

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