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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 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 {
359	my $runtime = cf::localdir . "/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
		403	my $guard = cf::lock_acquire "write_runtime";
360		404
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
362	or return;	406	or return;
363		407
364	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
370		414
371	# always fsync - this file is important	415	# always fsync - this file is important
372	aio_fsync $fh	416	aio_fsync $fh
373	and return;	417	and return;
374		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
375	close $fh	422	close $fh
376	or return;	423	or return;
377		424
378	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
379	and return;	426	and return;
380		427
		428	warn "runtime file written.\n";
		429
381	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	442	}
383		443
384	=back	444	=back
385		445
386	=cut	446	=cut
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
567		627
568	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		632
573	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	634	my $pkg = shift @arg;
575		635
576	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
617	if (ref $_[0]) {	677	if (ref $_[0]) {
618	_object_attach @_;	678	_object_attach @_;
619	} else {	679	} else {
620	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
621	}	681	}
		682	_recalc_want;
622	};	683	};
623		684
624	# all those should be optimised	685	# all those should be optimised
625	sub cf::attachable::detach {	686	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
630	reattach ($obj);	691	reattach ($obj);
631	} else {	692	} else {
632	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
633	}	694	}
		695	_recalc_want;
634	};	696	};
635		697
636	sub cf::attachable::attached {	698	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
638		700
…		…
785	}	847	}
786	} else {	848	} else {
787	aio_unlink $filename;	849	aio_unlink $filename;
788	aio_unlink "$filename.pst";	850	aio_unlink "$filename.pst";
789	}	851	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	852	}
797	}	853	}
798		854
799	sub object_freezer_as_string {	855	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	856	my ($rdata, $objs) = @_;
…		…
806		862
807	sub object_thawer_load {	863	sub object_thawer_load {
808	my ($filename) = @_;	864	my ($filename) = @_;
809		865
810	my ($data, $av);	866	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		867
815	(aio_load $filename, $data) >= 0	868	(aio_load $filename, $data) >= 0
816	or return;	869	or return;
817		870
818	unless (aio_stat "$filename.pst") {	871	unless (aio_stat "$filename.pst") {
…		…
820	or return;	873	or return;
821	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
822	}	875	}
823		876
824	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
826	return ($data, $av);	879	return ($data, $av);
827	}	880	}
828		881
829	#############################################################################	882	#############################################################################
830	# command handling &c	883	# command handling &c
…		…
890		943
891	cf::override;	944	cf::override;
892	},	945	},
893	);	946	);
894		947
895	sub load_extension {
896	my ($path) = @_;
897
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
899	my $base = $1;
900	my $pkg = $1;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}
923	die $@;
924	}
925
926	push @EXTS, $pkg;
927	}
928
929	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
930	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	953	next unless -r $path;
932	eval {	954
933	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	$progress = 1;
934	1	1012	}
935	} or warn "$ext not loaded: $@";	1013
		1014	skip:
		1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1016	unless $progress;
		1017	}
936	}	1018	};
937	}	1019	}
938		1020
939	#############################################################################	1021	#############################################################################
940		1022
941	=head2 CORE EXTENSIONS	1023	=head2 CORE EXTENSIONS
…		…
957	Returns the given player object, loading it if necessary (might block).	1039	Returns the given player object, loading it if necessary (might block).
958		1040
959	=cut	1041	=cut
960		1042
961	sub playerdir($) {	1043	sub playerdir($) {
962	cf::localdir	1044	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1045	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1046	}
968		1047
969	sub path($) {	1048	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1049	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1050
972	(playerdir $login) . "/$login.pl"	1051	(playerdir $login) . "/playerdata"
973	}	1052	}
974		1053
975	sub find_active($) {	1054	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1055	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1056	and $cf::PLAYER{$_[0]}->active
…		…
990	my $login = $_[0];	1069	my $login = $_[0];
991		1070
992	my $guard = cf::lock_acquire "user_find:$login";	1071	my $guard = cf::lock_acquire "user_find:$login";
993		1072
994	$cf::PLAYER{$_[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
995	my $pl = load_pl path $login	1081	my $pl = load_pl path $login
996	or return;	1082	or return;
997	$cf::PLAYER{$login} = $pl	1083	$cf::PLAYER{$login} = $pl
998	}	1084	}
999	}	1085	}
…		…
1036		1122
1037	=cut	1123	=cut
1038		1124
1039	sub quit_character {	1125	sub quit_character {
1040	my ($pl) = @_;	1126	my ($pl) = @_;
		1127
		1128	my $name = $pl->ob->name;
1041		1129
1042	$pl->{deny_save} = 1;	1130	$pl->{deny_save} = 1;
1043	$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
1044		1132
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1050	my $path = playerdir $pl;	1138	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1139	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1140	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1141	delete $cf::PLAYER{$pl->ob->name};
1054	$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
1055	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;
1056	}	1164	}
1057		1165
1058	=item cf::player::list_logins	1166	=item cf::player::list_logins
1059		1167
1060	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
1061	while and may block, so not sync_job-capable, ever.	1169	while and may block, so not sync_job-capable, ever.
1062		1170
1063	=cut	1171	=cut
1064		1172
1065	sub list_logins {	1173	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1174	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1175	or return [];
1068		1176
1069	my @logins;	1177	my @logins;
1070		1178
1071	for my $login (@$dirs) {	1179	for my $login (@$dirs) {
…		…
1106	}	1214	}
1107		1215
1108	\@paths	1216	\@paths
1109	}	1217	}
1110		1218
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1219	=item $player->ext_reply ($msgid, %msg)
1112		1220
1113	Sends an ext reply to the player.	1221	Sends an ext reply to the player.
1114		1222
1115	=cut	1223	=cut
1116		1224
1117	sub ext_reply($$$%) {	1225	sub ext_reply($$%) {
1118	my ($self, $id, %msg) = @_;	1226	my ($self, $id, %msg) = @_;
1119		1227
1120	$msg{msgid} = $id;	1228	$msg{msgid} = $id;
1121		1229
1122	$self->send ("ext " . cf::to_json \%msg);	1230	$self->send ("ext " . cf::to_json \%msg);
1123	}	1231	}
1124		1232
1125	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	}
1126		1273
1127	=back	1274	=back
1128
1129		1275
1130	=head3 cf::map	1276	=head3 cf::map
1131		1277
1132	=over 4	1278	=over 4
1133		1279
…		…
1188	my ($self, $merge) = @_;	1334	my ($self, $merge) = @_;
1189		1335
1190	# we have to keep some variables in memory intact	1336	# we have to keep some variables in memory intact
1191	local $self->{path};	1337	local $self->{path};
1192	local $self->{load_path};	1338	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1339
1196	$self->SUPER::thawer_merge ($merge);	1340	$self->SUPER::thawer_merge ($merge);
1197	}	1341	}
1198		1342
1199	sub normalise {	1343	sub normalise {
…		…
1271		1415
1272	# the original (read-only) location	1416	# the original (read-only) location
1273	sub load_path {	1417	sub load_path {
1274	my ($self) = @_;	1418	my ($self) = @_;
1275		1419
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1420	"$MAPDIR/$self->{path}.map"
1277	}	1421	}
1278		1422
1279	# the temporary/swap location	1423	# the temporary/swap location
1280	sub save_path {	1424	sub save_path {
1281	my ($self) = @_;	1425	my ($self) = @_;
1282		1426
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1428	"$TMPDIR/$path.map"
1285	}	1429	}
1286		1430
1287	# the unique path, undef == no special unique path	1431	# the unique path, undef == no special unique path
1288	sub uniq_path {	1432	sub uniq_path {
1289	my ($self) = @_;	1433	my ($self) = @_;
1290		1434
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1436	"$UNIQUEDIR/$path"
1293	}	1437	}
1294		1438
1295	# and all this just because we cannot iterate over	1439	# and all this just because we cannot iterate over
1296	# all maps in C++...	1440	# all maps in C++...
1297	sub change_all_map_light {	1441	sub change_all_map_light {
…		…
1299		1443
1300	$_->change_map_light ($change)	1444	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1445	for grep $_->outdoor, values %cf::MAP;
1302	}	1446	}
1303		1447
		1448	sub decay_objects {
		1449	my ($self) = @_;
		1450
		1451	return if $self->{deny_reset};
		1452
		1453	$self->do_decay_objects;
		1454	}
		1455
1304	sub unlink_save {	1456	sub unlink_save {
1305	my ($self) = @_;	1457	my ($self) = @_;
1306		1458
1307	utf8::encode (my $save = $self->save_path);	1459	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1461	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1462	}
1316		1463
1317	sub load_header_from($) {	1464	sub load_header_from($) {
1318	my ($self, $path) = @_;	1465	my ($self, $path) = @_;
1319		1466
…		…
1369	$self->load_header_orig	1516	$self->load_header_orig
1370	or return;	1517	or return;
1371	$self->prepare_orig;	1518	$self->prepare_orig;
1372	}	1519	}
1373		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
1374	1	1527	1
1375	}	1528	}
1376		1529
1377	sub find;	1530	sub find;
1378	sub find {	1531	sub find {
…		…
1390	$map->{last_save} = $cf::RUNTIME;	1543	$map->{last_save} = $cf::RUNTIME;
1391		1544
1392	$map->load_header	1545	$map->load_header
1393	or return;	1546	or return;
1394		1547
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1549	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1550	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1551	$map->reset;
1399	undef $guard;	1552	undef $guard;
1400	return find $path;	1553	return find $path;
…		…
1411	my ($self) = @_;	1564	my ($self) = @_;
1412		1565
1413	local $self->{deny_reset} = 1; # loading can take a long time	1566	local $self->{deny_reset} = 1; # loading can take a long time
1414		1567
1415	my $path = $self->{path};	1568	my $path = $self->{path};
		1569
		1570	{
1416	my $guard = cf::lock_acquire "map_load:$path";	1571	my $guard = cf::lock_acquire "map_load:$path";
1417		1572
1418	return if $self->in_memory != cf::MAP_SWAPPED;	1573	return if $self->in_memory != cf::MAP_SWAPPED;
1419		1574
1420	$self->in_memory (cf::MAP_LOADING);	1575	$self->in_memory (cf::MAP_LOADING);
1421		1576
1422	$self->alloc;	1577	$self->alloc;
1423		1578
1424	$self->pre_load;	1579	$self->pre_load;
1425
1426	$self->_load_objects ($self->{load_path}, 1)
1427	or return;
1428
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430	if delete $self->{load_original};
1431
1432	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {
1435	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);
1437	}
1438	}
1439
1440	Coro::cede;
1441
1442	# now do the right thing for maps
1443	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;	1580	Coro::cede;
1450	$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;
1451	$self->difficulty ($self->estimate_difficulty)	1599	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	1600	unless $self->difficulty;
1453	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;
1454	$self->activate;	1610	$self->activate;
		1611	}
		1612
		1613	$self->in_memory (cf::MAP_IN_MEMORY);
1455	}	1614	}
1456		1615
1457	$self->post_load;	1616	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	1617	}
1461		1618
1462	sub customise_for {	1619	sub customise_for {
1463	my ($self, $ob) = @_;	1620	my ($self, $ob) = @_;
1464		1621
1465	return find "~" . $ob->name . "/" . $self->{path}	1622	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	1623	if $self->per_player;
		1624
		1625	# return find "?party/" . $ob->name . "/" . $self->{path}
		1626	# if $self->per_party;
1467		1627
1468	$self	1628	$self
1469	}	1629	}
1470		1630
1471	# 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
…		…
1582		1742
1583	sub reset_at {	1743	sub reset_at {
1584	my ($self) = @_;	1744	my ($self) = @_;
1585		1745
1586	# TODO: safety, remove and allow resettable per-player maps	1746	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	1747	return 1e99 if $self->{deny_reset};
1589		1748
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1749	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	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;
1592		1751
…		…
1603	my ($self) = @_;	1762	my ($self) = @_;
1604		1763
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	1764	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1765
1607	return if $self->players;	1766	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		1767
1610	warn "resetting map ", $self->path;#d#	1768	warn "resetting map ", $self->path;
1611		1769
1612	$self->in_memory (cf::MAP_SWAPPED);	1770	$self->in_memory (cf::MAP_SWAPPED);
1613		1771
1614	# need to save uniques path	1772	# need to save uniques path
1615	unless ($self->{deny_save}) {	1773	unless ($self->{deny_save}) {
…		…
1647	$cf::MAP{$self->path} = $self;	1805	$cf::MAP{$self->path} = $self;
1648		1806
1649	$self->reset; # polite request, might not happen	1807	$self->reset; # polite request, might not happen
1650	}	1808	}
1651		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
1652	=item cf::map::unique_maps	1846	=item cf::map::unique_maps
1653		1847
1654	Returns an arrayref of paths of all shared maps that have	1848	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	1849	instantiated unique items. May block.
1656		1850
1657	=cut	1851	=cut
1658		1852
1659	sub unique_maps() {	1853	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1854	[
1661	or return;	1855	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	1856	utf8::decode $_;
1667	next if /\.pst$/;	1857	/\.map$/
1668	next unless /^$PATH_SEP/o;	1858	? normalise $_
1669		1859	: ()
1670	push @paths, cf::map::normalise $_;	1860	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	1861	]
1672
1673	\@paths
1674	}	1862	}
1675		1863
1676	package cf;	1864	package cf;
1677		1865
1678	=back	1866	=back
…		…
1784	$self->deactivate_recursive;	1972	$self->deactivate_recursive;
1785		1973
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	1974	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		1975
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	1977	if $self->map && $self->map->{path} ne "{link}";
1790		1978
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	1980	}
1793		1981
1794	sub cf::object::player::leave_link {	1982	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	1983	my ($self, $map, $x, $y) = @_;
		1984
		1985	return unless $self->contr->active;
1796		1986
1797	my $link_pos = delete $self->{_link_pos};	1987	my $link_pos = delete $self->{_link_pos};
1798		1988
1799	unless ($map) {	1989	unless ($map) {
1800	# restore original map position	1990	# restore original map position
…		…
1818	$map->load;	2008	$map->load;
1819	$map->load_diag;	2009	$map->load_diag;
1820		2010
1821	return unless $self->contr->active;	2011	return unless $self->contr->active;
1822	$self->activate_recursive;	2012	$self->activate_recursive;
		2013
		2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1823	$self->enter_map ($map, $x, $y);	2015	$self->enter_map ($map, $x, $y);
1824	}	2016	}
1825		2017
1826	cf::player->attach (
1827	on_logout => sub {
1828	my ($pl) = @_;
1829
1830	# abort map switching before logout
1831	if ($pl->ob->{_link_pos}) {
1832	cf::sync_job {
1833	$pl->ob->leave_link
1834	};
1835	}
1836	},
1837	on_login => sub {
1838	my ($pl) = @_;
1839
1840	# try to abort aborted map switching on player login :)
1841	# should happen only on crashes
1842	if ($pl->ob->{_link_pos}) {
1843	$pl->ob->enter_link;
1844	(async {
1845	# we need this sleep as the login has a concurrent enter_exit running
1846	# and this sleep increases chances of the player not ending up in scorn
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	Coro::Timer::sleep 1;
1852	$pl->ob->leave_link;
1853	})->prio (2);
1854	}
1855	},
1856	);
1857
1858	=item $player_object->goto ($path, $x, $y)	2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1859		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
1860	=cut	2025	=cut
		2026
		2027	our $GOTOGEN;
1861		2028
1862	sub cf::object::player::goto {	2029	sub cf::object::player::goto {
1863	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;
1864		2034
1865	$self->enter_link;	2035	$self->enter_link;
1866		2036
1867	(async {	2037	(async {
1868	my $map = eval {	2038	my $map = eval {
1869	my $map = cf::map::find $path;	2039	my $map = cf::map::find $path;
		2040
		2041	if ($map) {
1870	$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
1871	$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 $@;
1872	} or	2054	}
1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874		2055
		2056	if ($gen == $self->{_goto_generation}) {
		2057	delete $self->{_goto_generation};
1875	$self->leave_link ($map, $x, $y);	2058	$self->leave_link ($map, $x, $y);
		2059	}
1876	})->prio (1);	2060	})->prio (1);
1877	}	2061	}
1878		2062
1879	=item $player_object->enter_exit ($exit_object)	2063	=item $player_object->enter_exit ($exit_object)
1880		2064
…		…
1919		2103
1920	$rmp->{random_seed} ||= $exit->random_seed;	2104	$rmp->{random_seed} ||= $exit->random_seed;
1921		2105
1922	my $data = cf::to_json $rmp;	2106	my $data = cf::to_json $rmp;
1923	my $md5 = Digest::MD5::md5_hex $data;	2107	my $md5 = Digest::MD5::md5_hex $data;
1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2108	my $meta = "$RANDOMDIR/$md5.meta";
1925		2109
1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927	aio_write $fh, 0, (length $data), $data, 0;	2111	aio_write $fh, 0, (length $data), $data, 0;
1928	undef $fh;	2112	undef $fh;
1929	aio_rename "$meta~", $meta;	2113	aio_rename "$meta~", $meta;
…		…
1938		2122
1939	return unless $self->type == cf::PLAYER;	2123	return unless $self->type == cf::PLAYER;
1940		2124
1941	if ($exit->slaying eq "/!") {	2125	if ($exit->slaying eq "/!") {
1942	#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
1943	cf::sync_job { prepare_random_map $exit };	2129	cf::sync_job { prepare_random_map $exit };
1944	}	2130	}
1945		2131
1946	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;
1947	my $hp = $exit->stats->hp;	2133	my $hp = $exit->stats->hp;
…		…
1955	$self->goto ($slaying, $hp, $sp);	2141	$self->goto ($slaying, $hp, $sp);
1956		2142
1957	1;	2143	1;
1958	}) {	2144	}) {
1959	$self->message ("Something went wrong deep within the crossfire server. "	2145	$self->message ("Something went wrong deep within the crossfire server. "
1960	. "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. "
1961	. "Please report this to the dungeon master!",	2147	. "Please report this to the dungeon master!",
1962	cf::NDI_UNIQUE | cf::NDI_RED);	2148	cf::NDI_UNIQUE | cf::NDI_RED);
1963		2149
1964	warn "ERROR in enter_exit: $@";	2150	warn "ERROR in enter_exit: $@";
1965	$self->leave_link;	2151	$self->leave_link;
1966	}	2152	}
1967	})->prio (1);	2153	})->prio (1);
…		…
1980		2166
1981	sub cf::client::send_drawinfo {	2167	sub cf::client::send_drawinfo {
1982	my ($self, $text, $flags) = @_;	2168	my ($self, $text, $flags) = @_;
1983		2169
1984	utf8::encode $text;	2170	utf8::encode $text;
1985	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986	}	2172	}
1987		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	}
1988		2186
1989	=item $success = $client->query ($flags, "text", \&cb)	2187	=item $success = $client->query ($flags, "text", \&cb)
1990		2188
1991	Queues a query to the client, calling the given callback with	2189	Queues a query to the client, calling the given callback with
1992	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>,
…		…
2089		2287
2090	# here we export the classes and methods available to script code	2288	# here we export the classes and methods available to script code
2091		2289
2092	=pod	2290	=pod
2093		2291
2094	The following fucntions and emthods are available within a safe environment:	2292	The following functions and methods are available within a safe environment:
2095		2293
2096	cf::object contr pay_amount pay_player map	2294	cf::object contr pay_amount pay_player map
2097	cf::object::player player	2295	cf::object::player player
2098	cf::player peaceful	2296	cf::player peaceful
2099	cf::map trigger	2297	cf::map trigger
…		…
2184	#############################################################################	2382	#############################################################################
2185		2383
2186	=head2 EXTENSION DATABASE SUPPORT	2384	=head2 EXTENSION DATABASE SUPPORT
2187		2385
2188	Crossfire maintains a very simple database for extension use. It can	2386	Crossfire maintains a very simple database for extension use. It can
2189	currently store anything that can be serialised using Storable, which	2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2190	excludes objects.	2388	convert to/from binary).
2191		2389
2192	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
2193	using it, it should be unique.	2391	using it, it should be unique.
2194		2392
2195	=over 4	2393	=over 4
…		…
2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219	cf::cleanup "db_open(db): $!" if $!;	2417	cf::cleanup "db_open(db): $!" if $!;
2220	};	2418	};
2221	cf::cleanup "db_open(db): $@" if $@;	2419	cf::cleanup "db_open(db): $@" if $@;
2222	};	2420	};
2223
2224	my $path = cf::localdir . "/database.pst";
2225	if (stat $path) {
2226	cf::sync_job {
2227	my $pst = Storable::retrieve $path;
2228
2229	cf::db_put (board => data => $pst->{board});
2230	cf::db_put (guildrules => data => $pst->{guildrules});
2231	cf::db_put (rent => balance => $pst->{rent}{balance});
2232	BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234	unlink $path;
2235	};
2236	}
2237	}	2421	}
2238	}	2422	}
2239		2423
2240	sub db_get($$) {	2424	sub db_get($$) {
2241	my $key = "$_[0]/$_[1]";	2425	my $key = "$_[0]/$_[1]";
2242		2426
2243	cf::sync_job {	2427	cf::sync_job {
2244	BDB::db_get $DB, undef, $key, my $data;	2428	BDB::db_get $DB, undef, $key, my $data;
2245		2429
2246	$! ? ()	2430	$! ? ()
2247	: Compress::LZF::sthaw $data	2431	: $data
2248	}	2432	}
2249	}	2433	}
2250		2434
2251	sub db_put($$$) {	2435	sub db_put($$$) {
2252	BDB::dbreq_pri 4;	2436	BDB::dbreq_pri 4;
2253	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	}
2254	}	2552	}
2255		2553
2256	#############################################################################	2554	#############################################################################
2257	# the server's init and main functions	2555	# the server's init and main functions
2258		2556
2259	sub load_resources {	2557	sub load_facedata($) {
2260	load_regions 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"
2261	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;
2262	}	2643	}
2263		2644
2264	sub cfg_load {	2645	sub cfg_load {
2265	open my $fh, "<:utf8", cf::confdir . "/config"	2646	open my $fh, "<:utf8", "$CONFDIR/config"
2266	or return;	2647	or return;
2267		2648
2268	local $/;	2649	local $/;
2269	*CFG = YAML::Syck::Load <$fh>;	2650	*CFG = YAML::Syck::Load <$fh>;
2270		2651
…		…
2278	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2659	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2279	and die "WARNING: m(un)lockall failed: $!\n";	2660	and die "WARNING: m(un)lockall failed: $!\n";
2280	};	2661	};
2281	warn $@ if $@;	2662	warn $@ if $@;
2282	}	2663	}
2283	}
2284
2285	sub init {
2286	load_resources;
2287	}	2664	}
2288		2665
2289	sub main {	2666	sub main {
2290	# we must not ever block the main coroutine	2667	# we must not ever block the main coroutine
2291	local $Coro::idle = sub {	2668	local $Coro::idle = sub {
…		…
2359		2736
2360	warn Carp::longmess "post_cleanup backtrace"	2737	warn Carp::longmess "post_cleanup backtrace"
2361	if $make_core;	2738	if $make_core;
2362	}	2739	}
2363		2740
2364	sub reload() {	2741	sub do_reload_perl() {
2365	# can/must only be called in main	2742	# can/must only be called in main
2366	if ($Coro::current != $Coro::main) {	2743	if ($Coro::current != $Coro::main) {
2367	warn "can only reload from main coroutine";	2744	warn "can only reload from main coroutine";
2368	return;	2745	return;
2369	}	2746	}
…		…
2394	Coro::cede;	2771	Coro::cede;
2395	last unless IO::AIO::nreqs || BDB::nreqs;	2772	last unless IO::AIO::nreqs || BDB::nreqs;
2396	warn "iterate...";	2773	warn "iterate...";
2397	}	2774	}
2398		2775
		2776	++$RELOAD;
		2777
2399	warn "cancelling all extension coros";	2778	warn "cancelling all extension coros";
2400	$_->cancel for values %EXT_CORO;	2779	$_->cancel for values %EXT_CORO;
2401	%EXT_CORO = ();	2780	%EXT_CORO = ();
2402		2781
2403	warn "removing commands";	2782	warn "removing commands";
…		…
2442	Symbol::delete_package "safe::$_"	2821	Symbol::delete_package "safe::$_"
2443	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);
2444		2823
2445	warn "unloading cf.pm \"a bit\"";	2824	warn "unloading cf.pm \"a bit\"";
2446	delete $INC{"cf.pm"};	2825	delete $INC{"cf.pm"};
		2826	delete $INC{"cf/pod.pm"};
2447		2827
2448	# don't, removes xs symbols, too,	2828	# don't, removes xs symbols, too,
2449	# and global variables created in xs	2829	# and global variables created in xs
2450	#Symbol::delete_package __PACKAGE__;	2830	#Symbol::delete_package __PACKAGE__;
2451		2831
…		…
2460		2840
2461	warn "loading extensions";	2841	warn "loading extensions";
2462	cf::load_extensions;	2842	cf::load_extensions;
2463		2843
2464	warn "reattaching attachments to objects/players";	2844	warn "reattaching attachments to objects/players";
2465	_global_reattach;	2845	_global_reattach; # objects, sockets
2466	warn "reattaching attachments to maps";	2846	warn "reattaching attachments to maps";
2467	reattach $_ for values %MAP;	2847	reattach $_ for values %MAP;
2468		2848	warn "reattaching attachments to players";
2469	warn "loading reloadable resources";	2849	reattach $_ for values %PLAYER;
2470	load_resources;
2471		2850
2472	warn "leaving sync_job";	2851	warn "leaving sync_job";
2473		2852
2474	1	2853	1
2475	} or do {	2854	} or do {
…		…
2481	warn "reloaded";	2860	warn "reloaded";
2482	};	2861	};
2483		2862
2484	our $RELOAD_WATCHER; # used only during reload	2863	our $RELOAD_WATCHER; # used only during reload
2485		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
2486	register_command "reload" => sub {	2880	register_command "reload" => sub {
2487	my ($who, $arg) = @_;	2881	my ($who, $arg) = @_;
2488		2882
2489	if ($who->flag (FLAG_WIZ)) {	2883	if ($who->flag (FLAG_WIZ)) {
2490	$who->message ("reloading server.");	2884	$who->message ("reloading server.");
2491		2885	async { reload_perl };
2492	# doing reload synchronously and two reloads happen back-to-back,
2493	# coro crashes during coro_state_free->destroy here.
2494
2495	$RELOAD_WATCHER ||= Event->timer (
2496	reentrant => 0,
2497	after => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => sub {
2500	reload;
2501	undef $RELOAD_WATCHER;
2502	},
2503	);
2504	}	2886	}
2505	};	2887	};
2506		2888
2507	unshift @INC, $LIBDIR;	2889	unshift @INC, $LIBDIR;
2508		2890
2509	my $bug_warning = 0;	2891	my $bug_warning = 0;
2510		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;
2511	$TICK_WATCHER = Event->timer (	2916	$TICK_WATCHER = Event->timer (
2512	reentrant => 0,	2917	reentrant => 0,
2513	parked => 1,	2918	parked => 1,
2514	prio => 0,	2919	prio => 0,
2515	at => $NEXT_TICK || $TICK,	2920	at => $NEXT_TICK || $TICK,
…		…
2519	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"
2520	unless ++$bug_warning > 10;	2925	unless ++$bug_warning > 10;
2521	return;	2926	return;
2522	}	2927	}
2523		2928
2524	$NOW = Event::time;	2929	$NOW = $tick_start = Event::time;
2525		2930
2526	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
2527	$RUNTIME += $TICK;	2956	$RUNTIME += $TICK;
2528	$NEXT_TICK += $TICK;	2957	$NEXT_TICK += $TICK;
2529		2958
2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531	$NEXT_RUNTIME_WRITE = $NOW + 10;	2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2533	write_runtime	2962	write_runtime
2534	or warn "ERROR: unable to write runtime file: $!";	2963	or warn "ERROR: unable to write runtime file: $!";
2535	};	2964	};
2536	}	2965	}
2537		2966
2538
2539	$WAIT_FOR_TICK->broadcast;
2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541
2542	# my $AFTER = Event::time;	2967	# my $AFTER = Event::time;
2543	# warn $AFTER - $NOW;#d#	2968	# warn $AFTER - $NOW;#d#
2544		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
2545	# 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
2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2547		2981
2548	$TICK_WATCHER->at ($NEXT_TICK);	2982	$TICK_WATCHER->at ($NEXT_TICK);
2549	$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
2550	},	2991	},
2551	);	2992	);
2552		2993
2553	{	2994	{
2554	BDB::max_poll_time $TICK * 0.1;	2995	BDB::max_poll_time $TICK * 0.1;
…		…
2582		3023
2583	cf::sync_job {	3024	cf::sync_job {
2584	eval {	3025	eval {
2585	BDB::db_env_open	3026	BDB::db_env_open
2586	$DB_ENV,	3027	$DB_ENV,
2587	$BDB_ENV_DIR,	3028	$BDBDIR,
2588	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
2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590	0666;	3031	0666;
2591		3032
2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593		3034
2594	$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);
2595	$DB_ENV->set_lk_detect;	3036	$DB_ENV->set_lk_detect;
2596	};	3037	};
2597		3038
…		…
2613	prio => 6,	3054	prio => 6,
2614	cb => \&IO::AIO::poll_cb,	3055	cb => \&IO::AIO::poll_cb,
2615	);	3056	);
2616	}	3057	}
2617		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
2618	END { cf::emergency_save }	3100	END { cf::emergency_save }
2619		3101
2620	1	3102	1
2621		3103

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