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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.279 by root, Mon Jun 11 22:16:53 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
20	use BDB ();	25	use BDB ();
21	use Data::Dumper;	26	use Data::Dumper;
22	use Digest::MD5;	27	use Digest::MD5;
23	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
24	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	31	use Time::HiRes;
27	use Compress::LZF;	32	use Compress::LZF;
28		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	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
30		39
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		41
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
37		44
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
39		48
40	our %COMMAND = ();	49	our %COMMAND = ();
41	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
42		51
43	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	53	our %EXTCMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
47		56
		57	our $RELOAD; # number of reloads so far
48	our @EVENT;	58	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		59
51	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(!)
52	our $TICK_WATCHER;	73	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	76	our $NEXT_TICK;
56	our $NOW;	77	our $NOW;
…		…
65	our $RUNTIME;	86	our $RUNTIME;
66		87
67	our %PLAYER; # all users	88	our %PLAYER; # all users
68	our %MAP; # all maps	89	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		91
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		98
79	binmode STDOUT;	99	binmode STDOUT;
80	binmode STDERR;	100	binmode STDERR;
81		101
82	# read virtual server time, if available	102	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
87	}	107	}
88		108
89	mkdir cf::localdir;	109	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		111
96	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
97		113
98	sub cf::map::normalise;	114	sub cf::map::normalise;
99		115
…		…
110	=item $cf::RUNTIME	126	=item $cf::RUNTIME
111		127
112	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
113	every server tick.	129	every server tick.
114		130
115	=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
116		134
117	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		139
120	=item $cf::NOW	140	=item $cf::NOW
121		141
122	The time of the last (current) server tick.	142	The time of the last (current) server tick.
123		143
124	=item $cf::TICK	144	=item $cf::TICK
125		145
126	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.
127		157
128	=item %cf::CFG	158	=item %cf::CFG
129		159
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	161	from wherever your confdir points to.
132		162
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		164
135	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
136	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
137	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.
138	window of cpu time available, or simply to synchronise to the server tick.
139		168
140	=back	169	=back
141		170
142	=cut	171	=cut
143		172
144	BEGIN {	173	BEGIN {
145	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	175	my $msg = join "", @_;
147	utf8::encode $msg;
148		176
149	$msg .= "\n"	177	$msg .= "\n"
150	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
151		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
152	LOG llevError, $msg;	183	LOG llevError, $msg;
153	};	184	};
154	}	185	}
155		186
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		194
163	# 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
164	# within the Safe compartment.	196	# within the Safe compartment.
165	for my $pkg (qw(	197	for my $pkg (qw(
166	cf::global cf::attachable	198	cf::global cf::attachable
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	235	$d
204	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
205	}	237	}
206		238
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208		240
209	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
210		242
211	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
212		244
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
221		246
222	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
223
224	=cut
225
226	sub to_json($) {
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228	JSON::Syck::Dump $_[0]
229	}
230		248
231	=item cf::lock_wait $string	249	=item cf::lock_wait $string
232		250
233	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
234		252
…		…
240	returned.	258	returned.
241		259
242	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
244		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
245	=cut	267	=cut
246		268
247	our %LOCK;	269	our %LOCK;
248		270
249	sub lock_wait($) {	271	sub lock_wait($) {
…		…
266		288
267	Coro::guard {	289	Coro::guard {
268	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
270	}	292	}
		293	}
		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
271	}	299	}
272		300
273	sub freeze_mainloop {	301	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
275		303
…		…
305		333
306	sub sync_job(&) {	334	sub sync_job(&) {
307	my ($job) = @_;	335	my ($job) = @_;
308		336
309	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
310	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
312		342
313	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
325		355
326	while ($busy) {	356	while ($busy) {
327	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
328	}	358	}
329		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
330	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
331	} else {	368	} else {
332	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
333		370
334	$job->()	371	$job->()
…		…
354		391
355	$coro	392	$coro
356	}	393	}
357		394
358	sub write_runtime {	395	sub write_runtime {
		396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
359	my $guard = cf::lock_acquire "write_runtime";	403	my $guard = cf::lock_acquire "write_runtime";
360
361	my $runtime = cf::localdir . "/runtime";
362		404
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364	or return;	406	or return;
365		407
366	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
372		414
373	# always fsync - this file is important	415	# always fsync - this file is important
374	aio_fsync $fh	416	aio_fsync $fh
375	and return;	417	and return;
376		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
377	close $fh	422	close $fh
378	or return;	423	or return;
379		424
380	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
381	and return;	426	and return;
382		427
		428	warn "runtime file written.\n";
		429
383	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	442	}
385		443
386	=back	444	=back
387		445
388	=cut	446	=cut
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
569		627
570	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		632
575	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	634	my $pkg = shift @arg;
577		635
578	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
619	if (ref $_[0]) {	677	if (ref $_[0]) {
620	_object_attach @_;	678	_object_attach @_;
621	} else {	679	} else {
622	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
623	}	681	}
		682	_recalc_want;
624	};	683	};
625		684
626	# all those should be optimised	685	# all those should be optimised
627	sub cf::attachable::detach {	686	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
632	reattach ($obj);	691	reattach ($obj);
633	} else {	692	} else {
634	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
635	}	694	}
		695	_recalc_want;
636	};	696	};
637		697
638	sub cf::attachable::attached {	698	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
640		700
…		…
813	or return;	873	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
815	}	875	}
816		876
817	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	879	return ($data, $av);
820	}	880	}
821		881
822	#############################################################################	882	#############################################################################
823	# command handling &c	883	# command handling &c
…		…
883		943
884	cf::override;	944	cf::override;
885	},	945	},
886	);	946	);
887		947
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
923	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	953	next unless -r $path;
925	eval {	954
926	load_extension $ext;	955	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		956	my $base = $1;
		957	my $pkg = $1;
		958	$pkg =~ s/[^[:word:]]/_/g;
		959	$pkg = "ext::$pkg";
		960
		961	open my $fh, "<:utf8", $path
		962	or die "$path: $!";
		963
		964	my $source = do { local $/; <$fh> };
		965
		966	my %ext = (
		967	path => $path,
		968	base => $base,
		969	pkg => $pkg,
		970	);
		971
		972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		974
		975	$ext{source} =
		976	"package $pkg; use strict; use utf8;\n"
		977	. "#line 1 \"$path\"\n{\n"
		978	. $source
		979	. "\n};\n1";
		980
		981	$todo{$base} = \%ext;
		982	}
		983
		984	my %done;
		985	while (%todo) {
		986	my $progress;
		987
		988	while (my ($k, $v) = each %todo) {
		989	for (split /,\s*/, $v->{meta}{depends}) {
		990	goto skip
		991	unless exists $done{$_};
		992	}
		993
		994	warn "... loading '$k' into '$v->{pkg}'\n";
		995
		996	unless (eval $v->{source}) {
		997	my $msg = $@ ? "$v->{path}: $@\n"
		998	: "$v->{base}: extension inactive.\n";
		999
		1000	if (exists $v->{meta}{mandatory}) {
		1001	warn $msg;
		1002	warn "mandatory extension failed to load, exiting.\n";
		1003	exit 1;
		1004	}
		1005
		1006	warn $msg;
		1007	}
		1008
		1009	$done{$k} = delete $todo{$k};
		1010	push @EXTS, $v->{pkg};
		1011	$progress = 1;
927	1	1012	}
928	} or warn "$ext not loaded: $@";	1013
		1014	skip:
		1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1016	unless $progress;
		1017	}
929	}	1018	};
930	}	1019	}
931		1020
932	#############################################################################	1021	#############################################################################
933		1022
934	=head2 CORE EXTENSIONS	1023	=head2 CORE EXTENSIONS
…		…
950	Returns the given player object, loading it if necessary (might block).	1039	Returns the given player object, loading it if necessary (might block).
951		1040
952	=cut	1041	=cut
953		1042
954	sub playerdir($) {	1043	sub playerdir($) {
955	cf::localdir	1044	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1045	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1046	}
961		1047
962	sub path($) {	1048	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1049	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1050
965	(playerdir $login) . "/$login.pl"	1051	(playerdir $login) . "/playerdata"
966	}	1052	}
967		1053
968	sub find_active($) {	1054	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1055	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1056	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1069	my $login = $_[0];
984		1070
985	my $guard = cf::lock_acquire "user_find:$login";	1071	my $guard = cf::lock_acquire "user_find:$login";
986		1072
987	$cf::PLAYER{$_[0]} || do {	1073	$cf::PLAYER{$_[0]} || do {
		1074	# rename old playerfiles to new ones
		1075	#TODO: remove when no longer required
		1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1079	aio_unlink +(playerdir $login) . "/$login.pl";
		1080
988	my $pl = load_pl path $login	1081	my $pl = load_pl path $login
989	or return;	1082	or return;
990	$cf::PLAYER{$login} = $pl	1083	$cf::PLAYER{$login} = $pl
991	}	1084	}
992	}	1085	}
…		…
1029		1122
1030	=cut	1123	=cut
1031		1124
1032	sub quit_character {	1125	sub quit_character {
1033	my ($pl) = @_;	1126	my ($pl) = @_;
		1127
		1128	my $name = $pl->ob->name;
1034		1129
1035	$pl->{deny_save} = 1;	1130	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1131	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1132
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1138	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1139	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1140	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1141	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1142	$pl->destroy;
		1143
		1144	my $prefix = qr<^~\Q$name\E/>;
		1145
		1146	# nuke player maps
		1147	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1148
1048	IO::AIO::aio_rmtree $temp;	1149	IO::AIO::aio_rmtree $temp;
		1150	}
		1151
		1152	=item $pl->kick
		1153
		1154	Kicks a player out of the game. This destroys the connection.
		1155
		1156	=cut
		1157
		1158	sub kick {
		1159	my ($pl, $kicker) = @_;
		1160
		1161	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1162	$pl->killer ("kicked");
		1163	$pl->ns->destroy;
1049	}	1164	}
1050		1165
1051	=item cf::player::list_logins	1166	=item cf::player::list_logins
1052		1167
1053	Returns am arrayref of all valid playernames in the system, can take a	1168	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1169	while and may block, so not sync_job-capable, ever.
1055		1170
1056	=cut	1171	=cut
1057		1172
1058	sub list_logins {	1173	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1174	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1175	or return [];
1061		1176
1062	my @logins;	1177	my @logins;
1063		1178
1064	for my $login (@$dirs) {	1179	for my $login (@$dirs) {
…		…
1099	}	1214	}
1100		1215
1101	\@paths	1216	\@paths
1102	}	1217	}
1103		1218
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1219	=item $player->ext_reply ($msgid, %msg)
1105		1220
1106	Sends an ext reply to the player.	1221	Sends an ext reply to the player.
1107		1222
1108	=cut	1223	=cut
1109		1224
1110	sub ext_reply($$$%) {	1225	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1226	my ($self, $id, %msg) = @_;
1112		1227
1113	$msg{msgid} = $id;	1228	$msg{msgid} = $id;
1114		1229
1115	$self->send ("ext " . cf::to_json \%msg);	1230	$self->send ("ext " . cf::to_json \%msg);
1116	}	1231	}
1117		1232
1118	package cf;	1233	=item $player->ext_event ($type, %msg)
		1234
		1235	Sends an ext event to the client.
		1236
		1237	=cut
		1238
		1239	sub ext_event($$%) {
		1240	my ($self, $type, %msg) = @_;
		1241
		1242	$self->ns->ext_event ($type, %msg);
		1243	}
		1244
		1245	=head3 cf::region
		1246
		1247	=over 4
		1248
		1249	=cut
		1250
		1251	package cf::region;
		1252
		1253	=item cf::region::find_by_path $path
		1254
		1255	Tries to decuce the probable region for a map knowing only its path.
		1256
		1257	=cut
		1258
		1259	sub find_by_path($) {
		1260	my ($path) = @_;
		1261
		1262	my ($match, $specificity);
		1263
		1264	for my $region (list) {
		1265	if ($region->match && $path =~ $region->match) {
		1266	($match, $specificity) = ($region, $region->specificity)
		1267	if $region->specificity > $specificity;
		1268	}
		1269	}
		1270
		1271	$match
		1272	}
1119		1273
1120	=back	1274	=back
1121
1122		1275
1123	=head3 cf::map	1276	=head3 cf::map
1124		1277
1125	=over 4	1278	=over 4
1126		1279
…		…
1181	my ($self, $merge) = @_;	1334	my ($self, $merge) = @_;
1182		1335
1183	# we have to keep some variables in memory intact	1336	# we have to keep some variables in memory intact
1184	local $self->{path};	1337	local $self->{path};
1185	local $self->{load_path};	1338	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1339
1189	$self->SUPER::thawer_merge ($merge);	1340	$self->SUPER::thawer_merge ($merge);
1190	}	1341	}
1191		1342
1192	sub normalise {	1343	sub normalise {
…		…
1264		1415
1265	# the original (read-only) location	1416	# the original (read-only) location
1266	sub load_path {	1417	sub load_path {
1267	my ($self) = @_;	1418	my ($self) = @_;
1268		1419
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1420	"$MAPDIR/$self->{path}.map"
1270	}	1421	}
1271		1422
1272	# the temporary/swap location	1423	# the temporary/swap location
1273	sub save_path {	1424	sub save_path {
1274	my ($self) = @_;	1425	my ($self) = @_;
1275		1426
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1428	"$TMPDIR/$path.map"
1278	}	1429	}
1279		1430
1280	# the unique path, undef == no special unique path	1431	# the unique path, undef == no special unique path
1281	sub uniq_path {	1432	sub uniq_path {
1282	my ($self) = @_;	1433	my ($self) = @_;
1283		1434
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1436	"$UNIQUEDIR/$path"
1286	}	1437	}
1287		1438
1288	# and all this just because we cannot iterate over	1439	# and all this just because we cannot iterate over
1289	# all maps in C++...	1440	# all maps in C++...
1290	sub change_all_map_light {	1441	sub change_all_map_light {
1291	my ($change) = @_;	1442	my ($change) = @_;
1292		1443
1293	$_->change_map_light ($change)	1444	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1445	for grep $_->outdoor, values %cf::MAP;
		1446	}
		1447
		1448	sub decay_objects {
		1449	my ($self) = @_;
		1450
		1451	return if $self->{deny_reset};
		1452
		1453	$self->do_decay_objects;
1295	}	1454	}
1296		1455
1297	sub unlink_save {	1456	sub unlink_save {
1298	my ($self) = @_;	1457	my ($self) = @_;
1299		1458
…		…
1357	$self->load_header_orig	1516	$self->load_header_orig
1358	or return;	1517	or return;
1359	$self->prepare_orig;	1518	$self->prepare_orig;
1360	}	1519	}
1361		1520
		1521	$self->{deny_reset} = 1
		1522	if $self->no_reset;
		1523
		1524	$self->default_region (cf::region::find_by_path $self->{path})
		1525	unless $self->default_region;
		1526
1362	1	1527	1
1363	}	1528	}
1364		1529
1365	sub find;	1530	sub find;
1366	sub find {	1531	sub find {
…		…
1378	$map->{last_save} = $cf::RUNTIME;	1543	$map->{last_save} = $cf::RUNTIME;
1379		1544
1380	$map->load_header	1545	$map->load_header
1381	or return;	1546	or return;
1382		1547
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1549	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1550	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1551	$map->reset;
1387	undef $guard;	1552	undef $guard;
1388	return find $path;	1553	return find $path;
…		…
1399	my ($self) = @_;	1564	my ($self) = @_;
1400		1565
1401	local $self->{deny_reset} = 1; # loading can take a long time	1566	local $self->{deny_reset} = 1; # loading can take a long time
1402		1567
1403	my $path = $self->{path};	1568	my $path = $self->{path};
		1569
		1570	{
1404	my $guard = cf::lock_acquire "map_load:$path";	1571	my $guard = cf::lock_acquire "map_load:$path";
1405		1572
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1573	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1574
1408	$self->in_memory (cf::MAP_LOADING);	1575	$self->in_memory (cf::MAP_LOADING);
1409		1576
1410	$self->alloc;	1577	$self->alloc;
1411		1578
1412	$self->pre_load;	1579	$self->pre_load;
1413
1414	$self->_load_objects ($self->{load_path}, 1)
1415	or return;
1416
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418	if delete $self->{load_original};
1419
1420	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {
1423	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);
1425	}
1426	}
1427
1428	Coro::cede;
1429
1430	# now do the right thing for maps
1431	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;	1580	Coro::cede;
1438	$self->set_darkness_map;	1581
		1582	$self->_load_objects ($self->{load_path}, 1)
		1583	or return;
		1584
		1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1586	if delete $self->{load_original};
		1587
		1588	if (my $uniq = $self->uniq_path) {
		1589	utf8::encode $uniq;
		1590	if (aio_open $uniq, O_RDONLY, 0) {
		1591	$self->clear_unique_items;
		1592	$self->_load_objects ($uniq, 0);
		1593	}
		1594	}
		1595
		1596	Coro::cede;
		1597	# now do the right thing for maps
		1598	$self->link_multipart_objects;
1439	$self->difficulty ($self->estimate_difficulty)	1599	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	1600	unless $self->difficulty;
1441	Coro::cede;	1601	Coro::cede;
		1602
		1603	unless ($self->{deny_activate}) {
		1604	$self->decay_objects;
		1605	$self->fix_auto_apply;
		1606	$self->update_buttons;
		1607	Coro::cede;
		1608	$self->set_darkness_map;
		1609	Coro::cede;
1442	$self->activate;	1610	$self->activate;
		1611	}
		1612
		1613	$self->in_memory (cf::MAP_IN_MEMORY);
1443	}	1614	}
1444		1615
1445	$self->post_load;	1616	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1617	}
1449		1618
1450	sub customise_for {	1619	sub customise_for {
1451	my ($self, $ob) = @_;	1620	my ($self, $ob) = @_;
1452		1621
1453	return find "~" . $ob->name . "/" . $self->{path}	1622	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	1623	if $self->per_player;
		1624
		1625	# return find "?party/" . $ob->name . "/" . $self->{path}
		1626	# if $self->per_party;
1455		1627
1456	$self	1628	$self
1457	}	1629	}
1458		1630
1459	# find and load all maps in the 3x3 area around a map	1631	# find and load all maps in the 3x3 area around a map
…		…
1570		1742
1571	sub reset_at {	1743	sub reset_at {
1572	my ($self) = @_;	1744	my ($self) = @_;
1573		1745
1574	# TODO: safety, remove and allow resettable per-player maps	1746	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	1747	return 1e99 if $self->{deny_reset};
1577		1748
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1749	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1750	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		1751
…		…
1591	my ($self) = @_;	1762	my ($self) = @_;
1592		1763
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	1764	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		1765
1595	return if $self->players;	1766	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		1767
1598	warn "resetting map ", $self->path;#d#	1768	warn "resetting map ", $self->path;
1599		1769
1600	$self->in_memory (cf::MAP_SWAPPED);	1770	$self->in_memory (cf::MAP_SWAPPED);
1601		1771
1602	# need to save uniques path	1772	# need to save uniques path
1603	unless ($self->{deny_save}) {	1773	unless ($self->{deny_save}) {
…		…
1635	$cf::MAP{$self->path} = $self;	1805	$cf::MAP{$self->path} = $self;
1636		1806
1637	$self->reset; # polite request, might not happen	1807	$self->reset; # polite request, might not happen
1638	}	1808	}
1639		1809
		1810	=item $maps = cf::map::tmp_maps
		1811
		1812	Returns an arrayref with all map paths of currently instantiated and saved
		1813	maps. May block.
		1814
		1815	=cut
		1816
		1817	sub tmp_maps() {
		1818	[
		1819	map {
		1820	utf8::decode $_;
		1821	/\.map$/
		1822	? normalise $_
		1823	: ()
		1824	} @{ aio_readdir $TMPDIR or [] }
		1825	]
		1826	}
		1827
		1828	=item $maps = cf::map::random_maps
		1829
		1830	Returns an arrayref with all map paths of currently instantiated and saved
		1831	random maps. May block.
		1832
		1833	=cut
		1834
		1835	sub random_maps() {
		1836	[
		1837	map {
		1838	utf8::decode $_;
		1839	/\.map$/
		1840	? normalise "?random/$_"
		1841	: ()
		1842	} @{ aio_readdir $RANDOMDIR or [] }
		1843	]
		1844	}
		1845
1640	=item cf::map::unique_maps	1846	=item cf::map::unique_maps
1641		1847
1642	Returns an arrayref of paths of all shared maps that have	1848	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	1849	instantiated unique items. May block.
1644		1850
1645	=cut	1851	=cut
1646		1852
1647	sub unique_maps() {	1853	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1854	[
1649	or return;	1855	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	1856	utf8::decode $_;
1655	next if /\.pst$/;	1857	/\.map$/
1656	next unless /^$PATH_SEP/o;	1858	? normalise $_
1657		1859	: ()
1658	push @paths, cf::map::normalise $_;	1860	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	1861	]
1660
1661	\@paths
1662	}	1862	}
1663		1863
1664	package cf;	1864	package cf;
1665		1865
1666	=back	1866	=back
…		…
1772	$self->deactivate_recursive;	1972	$self->deactivate_recursive;
1773		1973
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	1974	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		1975
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	1977	if $self->map && $self->map->{path} ne "{link}";
1778		1978
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	1980	}
1781		1981
1782	sub cf::object::player::leave_link {	1982	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	1983	my ($self, $map, $x, $y) = @_;
		1984
		1985	return unless $self->contr->active;
1784		1986
1785	my $link_pos = delete $self->{_link_pos};	1987	my $link_pos = delete $self->{_link_pos};
1786		1988
1787	unless ($map) {	1989	unless ($map) {
1788	# restore original map position	1990	# restore original map position
…		…
1811		2013
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2015	$self->enter_map ($map, $x, $y);
1814	}	2016	}
1815		2017
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)	2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1849		2019
		2020	Moves the player to the given map-path and coordinates by first freezing
		2021	her, loading and preparing them map, calling the provided $check callback
		2022	that has to return the map if sucecssful, and then unfreezes the player on
		2023	the new (success) or old (failed) map position.
		2024
1850	=cut	2025	=cut
		2026
		2027	our $GOTOGEN;
1851		2028
1852	sub cf::object::player::goto {	2029	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2030	my ($self, $path, $x, $y, $check) = @_;
		2031
		2032	# do generation counting so two concurrent goto's will be executed in-order
		2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2034
1855	$self->enter_link;	2035	$self->enter_link;
1856		2036
1857	(async {	2037	(async {
1858	my $map = eval {	2038	my $map = eval {
1859	my $map = cf::map::find $path;	2039	my $map = cf::map::find $path;
		2040
		2041	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2042	$map = $map->customise_for ($self);
		2043	$map = $check->($map) if $check && $map;
		2044	} else {
		2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2046	}
		2047
1861	$map	2048	$map
		2049	};
		2050
		2051	if ($@) {
		2052	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2053	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2054	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2055
		2056	if ($gen == $self->{_goto_generation}) {
		2057	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2058	$self->leave_link ($map, $x, $y);
		2059	}
1866	})->prio (1);	2060	})->prio (1);
1867	}	2061	}
1868		2062
1869	=item $player_object->enter_exit ($exit_object)	2063	=item $player_object->enter_exit ($exit_object)
1870		2064
…		…
1909		2103
1910	$rmp->{random_seed} ||= $exit->random_seed;	2104	$rmp->{random_seed} ||= $exit->random_seed;
1911		2105
1912	my $data = cf::to_json $rmp;	2106	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2107	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2108	my $meta = "$RANDOMDIR/$md5.meta";
1915		2109
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2111	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2112	undef $fh;
1919	aio_rename "$meta~", $meta;	2113	aio_rename "$meta~", $meta;
…		…
1928		2122
1929	return unless $self->type == cf::PLAYER;	2123	return unless $self->type == cf::PLAYER;
1930		2124
1931	if ($exit->slaying eq "/!") {	2125	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2127	# the problem is that $exit might not survive long enough
		2128	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2129	cf::sync_job { prepare_random_map $exit };
1934	}	2130	}
1935		2131
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2133	my $hp = $exit->stats->hp;
…		…
1945	$self->goto ($slaying, $hp, $sp);	2141	$self->goto ($slaying, $hp, $sp);
1946		2142
1947	1;	2143	1;
1948	}) {	2144	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2145	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2146	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2147	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2148	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2149
1954	warn "ERROR in enter_exit: $@";	2150	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2151	$self->leave_link;
1956	}	2152	}
1957	})->prio (1);	2153	})->prio (1);
…		…
1970		2166
1971	sub cf::client::send_drawinfo {	2167	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2168	my ($self, $text, $flags) = @_;
1973		2169
1974	utf8::encode $text;	2170	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2172	}
1977		2173
		2174	=item $client->ext_event ($type, %msg)
		2175
		2176	Sends an exti event to the client.
		2177
		2178	=cut
		2179
		2180	sub cf::client::ext_event($$%) {
		2181	my ($self, $type, %msg) = @_;
		2182
		2183	$msg{msgtype} = "event_$type";
		2184	$self->send_packet ("ext " . cf::to_json \%msg);
		2185	}
1978		2186
1979	=item $success = $client->query ($flags, "text", \&cb)	2187	=item $success = $client->query ($flags, "text", \&cb)
1980		2188
1981	Queues a query to the client, calling the given callback with	2189	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2079		2287
2080	# here we export the classes and methods available to script code	2288	# here we export the classes and methods available to script code
2081		2289
2082	=pod	2290	=pod
2083		2291
2084	The following fucntions and emthods are available within a safe environment:	2292	The following functions and methods are available within a safe environment:
2085		2293
2086	cf::object contr pay_amount pay_player map	2294	cf::object contr pay_amount pay_player map
2087	cf::object::player player	2295	cf::object::player player
2088	cf::player peaceful	2296	cf::player peaceful
2089	cf::map trigger	2297	cf::map trigger
…		…
2174	#############################################################################	2382	#############################################################################
2175		2383
2176	=head2 EXTENSION DATABASE SUPPORT	2384	=head2 EXTENSION DATABASE SUPPORT
2177		2385
2178	Crossfire maintains a very simple database for extension use. It can	2386	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which	2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2180	excludes objects.	2388	convert to/from binary).
2181		2389
2182	The parameter C<$family> should best start with the name of the extension	2390	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.	2391	using it, it should be unique.
2184		2392
2185	=over 4	2393	=over 4
…		…
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;	2417	cf::cleanup "db_open(db): $!" if $!;
2210	};	2418	};
2211	cf::cleanup "db_open(db): $@" if $@;	2419	cf::cleanup "db_open(db): $@" if $@;
2212	};	2420	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}	2421	}
2228	}	2422	}
2229		2423
2230	sub db_get($$) {	2424	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";	2425	my $key = "$_[0]/$_[1]";
2232		2426
2233	cf::sync_job {	2427	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;	2428	BDB::db_get $DB, undef, $key, my $data;
2235		2429
2236	$! ? ()	2430	$! ? ()
2237	: Compress::LZF::sthaw $data	2431	: $data
2238	}	2432	}
2239	}	2433	}
2240		2434
2241	sub db_put($$$) {	2435	sub db_put($$$) {
2242	BDB::dbreq_pri 4;	2436	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		2438	}
		2439
		2440	=item cf::cache $id => [$paths...], $processversion => $process
		2441
		2442	Generic caching function that returns the value of the resource $id,
		2443	caching and regenerating as required.
		2444
		2445	This function can block.
		2446
		2447	=cut
		2448
		2449	sub cache {
		2450	my ($id, $src, $processversion, $process) = @_;
		2451
		2452	my $meta =
		2453	join "\x00",
		2454	$processversion,
		2455	map {
		2456	aio_stat $_
		2457	and Carp::croak "$_: $!";
		2458
		2459	($_, (stat _)[7,9])
		2460	} @$src;
		2461
		2462	my $dbmeta = db_get cache => "$id/meta";
		2463	if ($dbmeta ne $meta) {
		2464	# changed, we may need to process
		2465
		2466	my @data;
		2467	my $md5;
		2468
		2469	for (0 .. $#$src) {
		2470	0 <= aio_load $src->[$_], $data[$_]
		2471	or Carp::croak "$src->[$_]: $!";
		2472	}
		2473
		2474	# if processing is expensive, check
		2475	# checksum first
		2476	if (1) {
		2477	$md5 =
		2478	join "\x00",
		2479	$processversion,
		2480	map {
		2481	Coro::cede;
		2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2483	} 0.. $#$src;
		2484
		2485
		2486	my $dbmd5 = db_get cache => "$id/md5";
		2487	if ($dbmd5 eq $md5) {
		2488	db_put cache => "$id/meta", $meta;
		2489
		2490	return db_get cache => "$id/data";
		2491	}
		2492	}
		2493
		2494	my $t1 = Time::HiRes::time;
		2495	my $data = $process->(\@data);
		2496	my $t2 = Time::HiRes::time;
		2497
		2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2499
		2500	db_put cache => "$id/data", $data;
		2501	db_put cache => "$id/md5" , $md5;
		2502	db_put cache => "$id/meta", $meta;
		2503
		2504	return $data;
		2505	}
		2506
		2507	db_get cache => "$id/data"
		2508	}
		2509
		2510	=item fork_call { }, $args
		2511
		2512	Executes the given code block with the given arguments in a seperate
		2513	process, returning the results. Everything must be serialisable with
		2514	Coro::Storable. May, of course, block. Note that the executed sub may
		2515	never block itself or use any form of Event handling.
		2516
		2517	=cut
		2518
		2519	sub fork_call(&@) {
		2520	my ($cb, @args) = @_;
		2521
		2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2523	# or die "socketpair: $!";
		2524	pipe my $fh1, my $fh2
		2525	or die "pipe: $!";
		2526
		2527	if (my $pid = fork) {
		2528	close $fh2;
		2529
		2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2531	$res = Coro::Storable::thaw $res;
		2532
		2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2534
		2535	die $$res unless "ARRAY" eq ref $res;
		2536
		2537	return wantarray ? @$res : $res->[-1];
		2538	} else {
		2539	reset_signals;
		2540	local $SIG{__WARN__};
		2541	local $SIG{__DIE__};
		2542	eval {
		2543	close $fh1;
		2544
		2545	my @res = eval { $cb->(@args) };
		2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2547	};
		2548
		2549	warn $@ if $@;
		2550	_exit 0;
		2551	}
2244	}	2552	}
2245		2553
2246	#############################################################################	2554	#############################################################################
2247	# the server's init and main functions	2555	# the server's init and main functions
2248		2556
2249	sub init_resources {	2557	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2558	my ($path) = @_;
		2559
		2560	warn "loading facedata from $path\n";
		2561
		2562	my $facedata;
		2563	0 < aio_load $path, $facedata
		2564	or die "$path: $!";
		2565
		2566	$facedata = Coro::Storable::thaw $facedata;
		2567
		2568	$facedata->{version} == 2
		2569	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2570
		2571	{
		2572	my $faces = $facedata->{faceinfo};
		2573
		2574	while (my ($face, $info) = each %$faces) {
		2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2579	Coro::cede;
		2580	}
		2581
		2582	while (my ($face, $info) = each %$faces) {
		2583	next unless $info->{smooth};
		2584	my $idx = cf::face::find $face
		2585	or next;
		2586	if (my $smooth = cf::face::find $info->{smooth}) {
		2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2588	} else {
		2589	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2590	}
		2591	Coro::cede;
		2592	}
		2593	}
		2594
		2595	{
		2596	my $anims = $facedata->{animinfo};
		2597
		2598	while (my ($anim, $info) = each %$anims) {
		2599	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2600	Coro::cede;
		2601	}
		2602
		2603	cf::anim::invalidate_all; # d'oh
		2604	}
		2605
		2606	1
		2607	}
		2608
		2609	sub reload_regions {
		2610	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	2611	or die "unable to load regions file\n";
		2612	}
		2613
		2614	sub reload_facedata {
		2615	load_facedata "$DATADIR/facedata"
		2616	or die "unable to load facedata\n";
		2617	}
		2618
		2619	sub reload_archetypes {
		2620	load_resource_file "$DATADIR/archetypes"
		2621	or die "unable to load archetypes\n";
		2622	}
		2623
		2624	sub reload_treasures {
		2625	load_resource_file "$DATADIR/treasures"
		2626	or die "unable to load treasurelists\n";
		2627	}
		2628
		2629	sub reload_resources {
		2630	warn "reloading resource files...\n";
		2631
		2632	reload_regions;
		2633	reload_facedata;
		2634	#reload_archetypes;#d#
		2635	reload_archetypes;
		2636	reload_treasures;
		2637
		2638	warn "finished reloading resource files\n";
		2639	}
		2640
		2641	sub init {
		2642	reload_resources;
2252	}	2643	}
2253		2644
2254	sub cfg_load {	2645	sub cfg_load {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	2646	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	2647	or return;
2257		2648
2258	local $/;	2649	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	2650	*CFG = YAML::Syck::Load <$fh>;
2260		2651
…		…
2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2659	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2269	and die "WARNING: m(un)lockall failed: $!\n";	2660	and die "WARNING: m(un)lockall failed: $!\n";
2270	};	2661	};
2271	warn $@ if $@;	2662	warn $@ if $@;
2272	}	2663	}
2273	}
2274
2275	sub init {
2276	init_resources;
2277	}	2664	}
2278		2665
2279	sub main {	2666	sub main {
2280	# we must not ever block the main coroutine	2667	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	2668	local $Coro::idle = sub {
…		…
2349		2736
2350	warn Carp::longmess "post_cleanup backtrace"	2737	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	2738	if $make_core;
2352	}	2739	}
2353		2740
2354	sub reload() {	2741	sub do_reload_perl() {
2355	# can/must only be called in main	2742	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	2743	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	2744	warn "can only reload from main coroutine";
2358	return;	2745	return;
2359	}	2746	}
…		…
2384	Coro::cede;	2771	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	2772	last unless IO::AIO::nreqs || BDB::nreqs;
2386	warn "iterate...";	2773	warn "iterate...";
2387	}	2774	}
2388		2775
		2776	++$RELOAD;
		2777
2389	warn "cancelling all extension coros";	2778	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;	2779	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();	2780	%EXT_CORO = ();
2392		2781
2393	warn "removing commands";	2782	warn "removing commands";
…		…
2432	Symbol::delete_package "safe::$_"	2821	Symbol::delete_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		2823
2435	warn "unloading cf.pm \"a bit\"";	2824	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	2825	delete $INC{"cf.pm"};
		2826	delete $INC{"cf/pod.pm"};
2437		2827
2438	# don't, removes xs symbols, too,	2828	# don't, removes xs symbols, too,
2439	# and global variables created in xs	2829	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	2830	#Symbol::delete_package __PACKAGE__;
2441		2831
…		…
2450		2840
2451	warn "loading extensions";	2841	warn "loading extensions";
2452	cf::load_extensions;	2842	cf::load_extensions;
2453		2843
2454	warn "reattaching attachments to objects/players";	2844	warn "reattaching attachments to objects/players";
2455	_global_reattach;	2845	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	2846	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	2847	reattach $_ for values %MAP;
2458		2848	warn "reattaching attachments to players";
2459	warn "loading reloadable resources";	2849	reattach $_ for values %PLAYER;
2460	init_resources;
2461		2850
2462	warn "leaving sync_job";	2851	warn "leaving sync_job";
2463		2852
2464	1	2853	1
2465	} or do {	2854	} or do {
…		…
2471	warn "reloaded";	2860	warn "reloaded";
2472	};	2861	};
2473		2862
2474	our $RELOAD_WATCHER; # used only during reload	2863	our $RELOAD_WATCHER; # used only during reload
2475		2864
		2865	sub reload_perl() {
		2866	# doing reload synchronously and two reloads happen back-to-back,
		2867	# coro crashes during coro_state_free->destroy here.
		2868
		2869	$RELOAD_WATCHER ||= Event->timer (
		2870	reentrant => 0,
		2871	after => 0,
		2872	data => WF_AUTOCANCEL,
		2873	cb => sub {
		2874	do_reload_perl;
		2875	undef $RELOAD_WATCHER;
		2876	},
		2877	);
		2878	}
		2879
2476	register_command "reload" => sub {	2880	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	2881	my ($who, $arg) = @_;
2478		2882
2479	if ($who->flag (FLAG_WIZ)) {	2883	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	2884	$who->message ("reloading server.");
2481		2885	async { reload_perl };
2482	# doing reload synchronously and two reloads happen back-to-back,
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);
2494	}	2886	}
2495	};	2887	};
2496		2888
2497	unshift @INC, $LIBDIR;	2889	unshift @INC, $LIBDIR;
2498		2890
2499	my $bug_warning = 0;	2891	my $bug_warning = 0;
2500		2892
		2893	our @WAIT_FOR_TICK;
		2894	our @WAIT_FOR_TICK_BEGIN;
		2895
		2896	sub wait_for_tick {
		2897	return unless $TICK_WATCHER->is_active;
		2898	return if $Coro::current == $Coro::main;
		2899
		2900	my $signal = new Coro::Signal;
		2901	push @WAIT_FOR_TICK, $signal;
		2902	$signal->wait;
		2903	}
		2904
		2905	sub wait_for_tick_begin {
		2906	return unless $TICK_WATCHER->is_active;
		2907	return if $Coro::current == $Coro::main;
		2908
		2909	my $signal = new Coro::Signal;
		2910	push @WAIT_FOR_TICK_BEGIN, $signal;
		2911	$signal->wait;
		2912	}
		2913
		2914	my $min = 1e6;#d#
		2915	my $avg = 10;
2501	$TICK_WATCHER = Event->timer (	2916	$TICK_WATCHER = Event->timer (
2502	reentrant => 0,	2917	reentrant => 0,
2503	parked => 1,	2918	parked => 1,
2504	prio => 0,	2919	prio => 0,
2505	at => $NEXT_TICK || $TICK,	2920	at => $NEXT_TICK || $TICK,
…		…
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	2925	unless ++$bug_warning > 10;
2511	return;	2926	return;
2512	}	2927	}
2513		2928
2514	$NOW = Event::time;	2929	$NOW = $tick_start = Event::time;
2515		2930
2516	cf::server_tick; # one server iteration	2931	cf::server_tick; # one server iteration
		2932
		2933	0 && sync_job {#d#
		2934	for(1..10) {
		2935	my $t = Event::time;
		2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2937	or die;
		2938
		2939	$map->width (50);
		2940	$map->height (50);
		2941	$map->alloc;
		2942	$map->_load_objects ("/tmp/x.map", 1);
		2943	my $t = Event::time - $t;
		2944
		2945	#next unless $t < 0.0013;#d#
		2946	if ($t < $min) {
		2947	$min = $t;
		2948	}
		2949	$avg = $avg * 0.99 + $t * 0.01;
		2950	}
		2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2952	exit 0;
		2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2954	};
		2955
2517	$RUNTIME += $TICK;	2956	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;	2957	$NEXT_TICK += $TICK;
2519		2958
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2523	write_runtime	2962	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	2963	or warn "ERROR: unable to write runtime file: $!";
2525	};	2964	};
2526	}	2965	}
2527		2966
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;	2967	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#	2968	# warn $AFTER - $NOW;#d#
2533		2969
		2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2971	$sig->send;
		2972	}
		2973	while (my $sig = shift @WAIT_FOR_TICK) {
		2974	$sig->send;
		2975	}
		2976
		2977	$NOW = Event::time;
		2978
2534	# if we are delayed by four ticks or more, skip them all	2979	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		2981
2537	$TICK_WATCHER->at ($NEXT_TICK);	2982	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;	2983	$TICK_WATCHER->start;
		2984
		2985	$LOAD = ($NOW - $tick_start) / $TICK;
		2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2987
		2988	_post_tick;
		2989
		2990
2539	},	2991	},
2540	);	2992	);
2541		2993
2542	{	2994	{
2543	BDB::max_poll_time $TICK * 0.1;	2995	BDB::max_poll_time $TICK * 0.1;
…		…
2571		3023
2572	cf::sync_job {	3024	cf::sync_job {
2573	eval {	3025	eval {
2574	BDB::db_env_open	3026	BDB::db_env_open
2575	$DB_ENV,	3027	$DB_ENV,
2576	$BDB_ENV_DIR,	3028	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3031	0666;
2580		3032
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582		3034
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;	3036	$DB_ENV->set_lk_detect;
2585	};	3037	};
2586		3038
…		…
2602	prio => 6,	3054	prio => 6,
2603	cb => \&IO::AIO::poll_cb,	3055	cb => \&IO::AIO::poll_cb,
2604	);	3056	);
2605	}	3057	}
2606		3058
		3059	my $_log_backtrace;
		3060
		3061	sub _log_backtrace {
		3062	my ($msg, @addr) = @_;
		3063
		3064	$msg =~ s/\n//;
		3065
		3066	# limit the # of concurrent backtraces
		3067	if ($_log_backtrace < 2) {
		3068	++$_log_backtrace;
		3069	async {
		3070	my @bt = fork_call {
		3071	@addr = map { sprintf "%x", $_ } @addr;
		3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3074	or die "addr2line: $!";
		3075
		3076	my @funcs;
		3077	my @res = <$fh>;
		3078	chomp for @res;
		3079	while (@res) {
		3080	my ($func, $line) = splice @res, 0, 2, ();
		3081	push @funcs, "[$func] $line";
		3082	}
		3083
		3084	@funcs
		3085	};
		3086
		3087	LOG llevInfo, "[ABT] $msg\n";
		3088	LOG llevInfo, "[ABT] $_\n" for @bt;
		3089	--$_log_backtrace;
		3090	};
		3091	} else {
		3092	LOG llevInfo, "[ABT] $msg\n";
		3093	LOG llevInfo, "[ABT] [suppressed]\n";
		3094	}
		3095	}
		3096
		3097	# load additional modules
		3098	use cf::pod;
		3099
2607	END { cf::emergency_save }	3100	END { cf::emergency_save }
2608		3101
2609	1	3102	1
2610		3103

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