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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.276 by root, Sun Jun 10 04:05:47 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 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		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
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$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
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	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(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	76	our $NEXT_TICK;
52	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
53		82
54	our %CFG;	83	our %CFG;
55		84
56	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	86	our $RUNTIME;
58		87
59	our %PLAYER; # all users	88	our %PLAYER; # all users
60	our %MAP; # all maps	89	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		91
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		98
70	binmode STDOUT;	99	binmode STDOUT;
71	binmode STDERR;	100	binmode STDERR;
72		101
73	# read virtual server time, if available	102	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
78	}	107	}
79		108
80	mkdir cf::localdir;	109	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		111
86	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
87		115
88	#############################################################################	116	#############################################################################
89		117
90	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
91		119
…		…
98	=item $cf::RUNTIME	126	=item $cf::RUNTIME
99		127
100	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
101	every server tick.	129	every server tick.
102		130
103	=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
104		134
105	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		139
108	=item $cf::NOW	140	=item $cf::NOW
109		141
110	The time of the last (current) server tick.	142	The time of the last (current) server tick.
111		143
112	=item $cf::TICK	144	=item $cf::TICK
113		145
114	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.
115		157
116	=item %cf::CFG	158	=item %cf::CFG
117		159
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	161	from wherever your confdir points to.
120		162
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		164
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		168
128	=back	169	=back
129		170
130	=cut	171	=cut
131		172
132	BEGIN {	173	BEGIN {
133	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	175	my $msg = join "", @_;
135	utf8::encode $msg;
136		176
137	$msg .= "\n"	177	$msg .= "\n"
138	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
139		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
140	LOG llevError, $msg;	183	LOG llevError, $msg;
141	};	184	};
142	}	185	}
143		186
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		194
151	# 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
152	# within the Safe compartment.	196	# within the Safe compartment.
153	for my $pkg (qw(	197	for my $pkg (qw(
154	cf::global cf::attachable	198	cf::global cf::attachable
…		…
190	$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;
191	$d	235	$d
192	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
193	}	237	}
194		238
195	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
196		240
197	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
198		242
199	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
200		244
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
209		246
210	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		248
219	=item cf::lock_wait $string	249	=item cf::lock_wait $string
220		250
221	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
222		252
…		…
228	returned.	258	returned.
229		259
230	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
231	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
232		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
233	=cut	267	=cut
234		268
235	our %LOCK;	269	our %LOCK;
236		270
237	sub lock_wait($) {	271	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
258	}	292	}
259	}	293	}
260		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
261	sub freeze_mainloop {	301	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
263		303
264	my $guard = Coro::guard {	304	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	306	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
270	$guard	308	$guard
271	}	309	}
272		310
273	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
295		333
296	sub sync_job(&) {	334	sub sync_job(&) {
297	my ($job) = @_;	335	my ($job) = @_;
298		336
299	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
300	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
302		342
303	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
315		355
316	while ($busy) {	356	while ($busy) {
317	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
318	}	358	}
319		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
320	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
321	} else {	368	} else {
322	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
323		370
324	$job->()	371	$job->()
…		…
344		391
345	$coro	392	$coro
346	}	393	}
347		394
348	sub write_runtime {	395	sub write_runtime {
349	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";
350		404
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	406	or return;
353		407
		408	my $value = $cf::RUNTIME + 90 + 10;
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;	413	and return;
357		414
		415	# always fsync - this file is important
358	aio_fsync $fh	416	aio_fsync $fh
359	and return;	417	and return;
360		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
361	close $fh	422	close $fh
362	or return;	423	or return;
363		424
364	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
365	and return;	426	and return;
366		427
		428	warn "runtime file written.\n";
		429
367	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	442	}
369		443
370	=back	444	=back
371		445
372	=cut	446	=cut
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	578	our @CB_MAP = ();
505		579
506	my %attachment;	580	my %attachment;
507		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
508	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
510		590
511	use sort 'stable';	591	use sort 'stable';
512		592
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
547		627
548	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		632
553	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	634	my $pkg = shift @arg;
555		635
556	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
597	if (ref $_[0]) {	677	if (ref $_[0]) {
598	_object_attach @_;	678	_object_attach @_;
599	} else {	679	} else {
600	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
601	}	681	}
		682	_recalc_want;
602	};	683	};
603		684
604	# all those should be optimised	685	# all those should be optimised
605	sub cf::attachable::detach {	686	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
610	reattach ($obj);	691	reattach ($obj);
611	} else {	692	} else {
612	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
613	}	694	}
		695	_recalc_want;
614	};	696	};
615		697
616	sub cf::attachable::attached {	698	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
618		700
…		…
741	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
742		824
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	829	close $fh;
748		830
749	if (@$objs) {	831	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	837	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
757	}	839	}
758	} else {	840	} else {
759	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
791	or return;	873	or return;
792	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
793	}	875	}
794		876
795	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
797	return ($data, $av);	879	return ($data, $av);
798	}	880	}
799		881
800	#############################################################################	882	#############################################################################
801	# command handling &c	883	# command handling &c
…		…
928	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
929		1011
930	=cut	1012	=cut
931		1013
932	sub playerdir($) {	1014	sub playerdir($) {
933	cf::localdir	1015	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1017	}
939		1018
940	sub path($) {	1019	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1021
943	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
944	}	1023	}
945		1024
946	sub find_active($) {	1025	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
951		1030
952	sub exists($) {	1031	sub exists($) {
953	my ($login) = @_;	1032	my ($login) = @_;
954		1033
955	$cf::PLAYER{$login}	1034	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1035	or cf::sync_job { !aio_stat path $login }
957	}	1036	}
958		1037
959	sub find($) {	1038	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1039	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1040	my $login = $_[0];
962		1041
963	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
964		1043
965	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
966	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
967	or return;	1053	or return;
968	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
969	}	1055	}
970	}	1056	}
…		…
1007		1093
1008	=cut	1094	=cut
1009		1095
1010	sub quit_character {	1096	sub quit_character {
1011	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1012		1100
1013	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1103
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
1026	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
1027	}	1135	}
1028		1136
1029	=item cf::player::list_logins	1137	=item cf::player::list_logins
1030		1138
1031	Returns am arrayref of all valid playernames in the system, can take a	1139	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1033		1141
1034	=cut	1142	=cut
1035		1143
1036	sub list_logins {	1144	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1146	or return [];
1039		1147
1040	my @logins;	1148	my @logins;
1041		1149
1042	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1059	=cut	1167	=cut
1060		1168
1061	sub maps($) {	1169	sub maps($) {
1062	my ($pl) = @_;	1170	my ($pl) = @_;
1063		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
		1173
1064	my $files = aio_readdir playerdir $pl	1174	my $files = aio_readdir playerdir $pl
1065	or return;	1175	or return;
1066		1176
1067	my @paths;	1177	my @paths;
1068		1178
1069	for (@$files) {	1179	for (@$files) {
1070	utf8::decode $_;	1180	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1181	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1182	next unless /^$PATH_SEP/o;
1073		1183
1074	s/\.map$//;	1184	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1185	}
1077		1186
1078	\@paths	1187	\@paths
1079	}	1188	}
1080		1189
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1082		1191
1083	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1084		1193
1085	=cut	1194	=cut
1086		1195
1087	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1088	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1089		1198
1090	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1091		1200
1092	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1093	}	1202	}
1094		1203
1095	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1096		1244
1097	=back	1245	=back
1098
1099		1246
1100	=head3 cf::map	1247	=head3 cf::map
1101		1248
1102	=over 4	1249	=over 4
1103		1250
…		…
1107		1254
1108	use Fcntl;	1255	use Fcntl;
1109	use Coro::AIO;	1256	use Coro::AIO;
1110		1257
1111	use overload	1258	use overload
1112	'""' => \&as_string;	1259	'""' => \&as_string,
		1260	fallback => 1;
1113		1261
1114	our $MAX_RESET = 3600;	1262	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1263	our $DEFAULT_RESET = 3000;
1116		1264
1117	sub generate_random_map {	1265	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1266	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1267	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1268	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1280	)
1134	}	1281	}
1135		1282
		1283	=item cf::map->register ($regex, $prio)
		1284
		1285	Register a handler for the map path matching the given regex at the
		1286	givne priority (higher is better, built-in handlers have priority 0, the
		1287	default).
		1288
		1289	=cut
		1290
1136	sub register {	1291	sub register {
1137	my (undef, $regex) = @_;	1292	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1293	my $pkg = caller;
1139		1294
1140	no strict;	1295	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1296	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1297
1143	$EXT_MAP{$pkg} = qr<$regex>;	1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1299	}
1145		1300
1146	# also paths starting with '/'	1301	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1303
		1304	sub thawer_merge {
		1305	my ($self, $merge) = @_;
		1306
		1307	# we have to keep some variables in memory intact
		1308	local $self->{path};
		1309	local $self->{load_path};
		1310
		1311	$self->SUPER::thawer_merge ($merge);
		1312	}
1148		1313
1149	sub normalise {	1314	sub normalise {
1150	my ($path, $base) = @_;	1315	my ($path, $base) = @_;
		1316
		1317	$path = "$path"; # make sure its a string
		1318
		1319	$path =~ s/\.map$//;
1151		1320
1152	# map plan:	1321	# map plan:
1153	#	1322	#
1154	# /! non-realised random map exit (special hack!)	1323	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1324	# {... are special paths that are not being touched
…		…
1183		1352
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1353	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1354
1186	$path = normalise $path, $base;	1355	$path = normalise $path, $base;
1187		1356
1188	for my $pkg (keys %EXT_MAP) {	1357	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1358	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1359	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1360	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1361	$self->init; # pass $1 etc.
1193	return $self;	1362	return $self;
1194	}	1363	}
1195	}	1364	}
1196		1365
1197	Carp::carp "unable to resolve path '$path'.";	1366	Carp::carp "unable to resolve path '$path' (base '$base').";
1198	()	1367	()
1199	}	1368	}
1200		1369
1201	sub init {	1370	sub init {
1202	my ($self) = @_;	1371	my ($self) = @_;
…		…
1217		1386
1218	# the original (read-only) location	1387	# the original (read-only) location
1219	sub load_path {	1388	sub load_path {
1220	my ($self) = @_;	1389	my ($self) = @_;
1221		1390
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1223	}	1392	}
1224		1393
1225	# the temporary/swap location	1394	# the temporary/swap location
1226	sub save_path {	1395	sub save_path {
1227	my ($self) = @_;	1396	my ($self) = @_;
1228		1397
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1231	}	1400	}
1232		1401
1233	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1234	sub uniq_path {	1403	sub uniq_path {
1235	my ($self) = @_;	1404	my ($self) = @_;
1236		1405
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1239	}	1408	}
1240		1409
1241	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1242	# all maps in C++...	1411	# all maps in C++...
1243	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1245		1414
1246	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1248	}	1417	}
1249		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
1250	sub unlink_save {	1427	sub unlink_save {
1251	my ($self) = @_;	1428	my ($self) = @_;
1252		1429
1253	utf8::encode (my $save = $self->save_path);	1430	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1432	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1433	}
1257		1434
1258	sub load_header_from($) {	1435	sub load_header_from($) {
1259	my ($self, $path) = @_;	1436	my ($self, $path) = @_;
1260		1437
1261	utf8::encode $path;	1438	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1439	#aio_open $path, O_RDONLY, 0
1263	or return;	1440	# or return;
1264		1441
1265	$self->_load_header ($path)	1442	$self->_load_header ($path)
1266	or return;	1443	or return;
1267		1444
1268	$self->{load_path} = $path;	1445	$self->{load_path} = $path;
1269		1446
1270	1	1447	1
1271	}	1448	}
1272		1449
1273	sub load_orig {	1450	sub load_header_orig {
1274	my ($self) = @_;	1451	my ($self) = @_;
1275		1452
1276	$self->load_header_from ($self->load_path)	1453	$self->load_header_from ($self->load_path)
1277	}	1454	}
1278		1455
1279	sub load_temp {	1456	sub load_header_temp {
1280	my ($self) = @_;	1457	my ($self) = @_;
1281		1458
1282	$self->load_header_from ($self->save_path)	1459	$self->load_header_from ($self->save_path)
		1460	}
		1461
		1462	sub prepare_temp {
		1463	my ($self) = @_;
		1464
		1465	$self->last_access ((delete $self->{last_access})
		1466	|| $cf::RUNTIME); #d#
		1467	# safety
		1468	$self->{instantiate_time} = $cf::RUNTIME
		1469	if $self->{instantiate_time} > $cf::RUNTIME;
		1470	}
		1471
		1472	sub prepare_orig {
		1473	my ($self) = @_;
		1474
		1475	$self->{load_original} = 1;
		1476	$self->{instantiate_time} = $cf::RUNTIME;
		1477	$self->last_access ($cf::RUNTIME);
		1478	$self->instantiate;
1283	}	1479	}
1284		1480
1285	sub load_header {	1481	sub load_header {
1286	my ($self) = @_;	1482	my ($self) = @_;
1287		1483
1288	if ($self->load_temp) {	1484	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1485	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1486	} else {
1295	$self->load_orig	1487	$self->load_header_orig
1296	or return;	1488	or return;
1297		1489	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1490	}
		1491
		1492	$self->{deny_reset} = 1
		1493	if $self->no_reset;
		1494
		1495	$self->default_region (cf::region::find_by_path $self->{path})
		1496	unless $self->default_region;
1303		1497
1304	1	1498	1
1305	}	1499	}
1306		1500
1307	sub find;	1501	sub find;
…		…
1320	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1321		1515
1322	$map->load_header	1516	$map->load_header
1323	or return;	1517	or return;
1324		1518
1325	if ($map->should_reset) {	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1520	# doing this can freeze the server in a sync job, obviously
		1521	#$cf::WAIT_FOR_TICK->wait;
1326	$map->reset;	1522	$map->reset;
1327	undef $guard;	1523	undef $guard;
1328	$map = find $path	1524	return find $path;
1329	or return;
1330	}	1525	}
1331		1526
1332	$cf::MAP{$path} = $map	1527	$cf::MAP{$path} = $map
1333	}	1528	}
1334	}	1529	}
		1530
		1531	sub pre_load { }
		1532	sub post_load { }
1335		1533
1336	sub load {	1534	sub load {
1337	my ($self) = @_;	1535	my ($self) = @_;
1338		1536
		1537	local $self->{deny_reset} = 1; # loading can take a long time
		1538
1339	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1341		1543
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1343		1545
1344	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1345		1547
1346	$self->alloc;	1548	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)
1348	or return;
1349		1549
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1550	$self->pre_load;
1351	if delete $self->{load_original};
1352
1353	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {
1356	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);
1358	}
1359	}
1360
1361	Coro::cede;
1362
1363	# now do the right thing for maps
1364	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;	1551	Coro::cede;
1371	$self->set_darkness_map;	1552
		1553	$self->_load_objects ($self->{load_path}, 1)
		1554	or return;
		1555
		1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1557	if delete $self->{load_original};
		1558
		1559	if (my $uniq = $self->uniq_path) {
		1560	utf8::encode $uniq;
		1561	if (aio_open $uniq, O_RDONLY, 0) {
		1562	$self->clear_unique_items;
		1563	$self->_load_objects ($uniq, 0);
		1564	}
		1565	}
		1566
		1567	Coro::cede;
		1568	# now do the right thing for maps
		1569	$self->link_multipart_objects;
1372	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1571	unless $self->difficulty;
1374	Coro::cede;	1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
1375	$self->activate;	1581	$self->activate;
1376	}	1582	}
1377		1583
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1584	$self->in_memory (cf::MAP_IN_MEMORY);
		1585	}
		1586
		1587	$self->post_load;
1379	}	1588	}
1380		1589
1381	sub customise_for {	1590	sub customise_for {
1382	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1383		1592
1384	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1386		1598
1387	$self	1599	$self
1388	}	1600	}
1389		1601
1390	# find and load all maps in the 3x3 area around a map	1602	# find and load all maps in the 3x3 area around a map
…		…
1422		1634
1423	cf::sync_job { $map->load };	1635	cf::sync_job { $map->load };
1424	}	1636	}
1425		1637
1426	our %MAP_PREFETCH;	1638	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	1639	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		1640
1440	sub find_async {	1641	sub find_async {
1441	my ($path, $origin) = @_;	1642	my ($path, $origin) = @_;
1442		1643
1443	$path = normalise $path, $origin && $origin->{path};	1644	$path = normalise $path, $origin && $origin->{path};
1444		1645
1445	if (my $map = $cf::MAP{$path}) {	1646	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1447	}	1648	}
1448		1649
1449	$MAP_PREFETCH{$path} = 0;	1650	undef $MAP_PREFETCH{$path};
		1651	$MAP_PREFETCHER ||= cf::async {
		1652	while (%MAP_PREFETCH) {
		1653	for my $path (keys %MAP_PREFETCH) {
		1654	my $map = find $path
		1655	or next;
		1656	$map->load;
		1657
		1658	delete $MAP_PREFETCH{$path};
		1659	}
		1660	}
		1661	undef $MAP_PREFETCHER;
		1662	};
1450	$MAP_PREFETCHER->ready;	1663	$MAP_PREFETCHER->prio (6);
1451		1664
1452	()	1665	()
1453	}	1666	}
1454		1667
1455	sub save {	1668	sub save {
…		…
1500		1713
1501	sub reset_at {	1714	sub reset_at {
1502	my ($self) = @_;	1715	my ($self) = @_;
1503		1716
1504	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1507		1719
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		1722
…		…
1515	my ($self) = @_;	1727	my ($self) = @_;
1516		1728
1517	$self->reset_at <= $cf::RUNTIME	1729	$self->reset_at <= $cf::RUNTIME
1518	}	1730	}
1519		1731
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	1732	sub reset {
1535	my ($self) = @_;	1733	my ($self) = @_;
1536		1734
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		1736
1539	return if $self->players;	1737	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		1738
1542	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
		1740
		1741	$self->in_memory (cf::MAP_SWAPPED);
		1742
		1743	# need to save uniques path
		1744	unless ($self->{deny_save}) {
		1745	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1746
		1747	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1748	if $uniq;
		1749	}
1543		1750
1544	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
1545		1752
1546	$self->in_memory (cf::MAP_SWAPPED);
1547	$self->clear;	1753	$self->clear;
1548		1754
1549	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1550		1756
1551	$self->unlink_save;	1757	$self->unlink_save;
…		…
1555	my $nuke_counter = "aaaa";	1761	my $nuke_counter = "aaaa";
1556		1762
1557	sub nuke {	1763	sub nuke {
1558	my ($self) = @_;	1764	my ($self) = @_;
1559		1765
		1766	delete $cf::MAP{$self->path};
		1767
		1768	$self->unlink_save;
		1769
		1770	bless $self, "cf::map";
		1771	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	1772	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	1773	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1775
		1776	$cf::MAP{$self->path} = $self;
		1777
1563	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
		1779	}
		1780
		1781	=item $maps = cf::map::tmp_maps
		1782
		1783	Returns an arrayref with all map paths of currently instantiated and saved
		1784	maps.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
		1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
1564	}	1797	}
1565		1798
1566	=item cf::map::unique_maps	1799	=item cf::map::unique_maps
1567		1800
1568	Returns an arrayref of paths of all shared maps that have	1801	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	1802	instantiated unique items. May block.
1570		1803
1571	=cut	1804	=cut
1572		1805
1573	sub unique_maps() {	1806	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1807	[
1575	or return;	1808	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	1809	utf8::decode $_;
1581	next if /\.pst$/;	1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1582	next unless /^$PATH_SEP/o;	1811	? normalise $_
1583		1812	: ()
1584	s/\.map$//;	1813	} @{ aio_readdir $UNIQUEDIR or [] }
1585	push @paths, $_;
1586	}	1814	]
1587
1588	\@paths
1589	}	1815	}
1590		1816
1591	package cf;	1817	package cf;
1592		1818
1593	=back	1819	=back
…		…
1684	=cut	1910	=cut
1685		1911
1686	sub link_map {	1912	sub link_map {
1687	unless ($LINK_MAP) {	1913	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	1914	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1915	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	1916	$LINK_MAP->load;
1691	}	1917	}
1692		1918
1693	$LINK_MAP	1919	$LINK_MAP
1694	}	1920	}
…		…
1699	$self->deactivate_recursive;	1925	$self->deactivate_recursive;
1700		1926
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	1927	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		1928
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	1930	if $self->map && $self->map->{path} ne "{link}";
1705		1931
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	1933	}
1708		1934
1709	sub cf::object::player::leave_link {	1935	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	1936	my ($self, $map, $x, $y) = @_;
		1937
		1938	return unless $self->contr->active;
1711		1939
1712	my $link_pos = delete $self->{_link_pos};	1940	my $link_pos = delete $self->{_link_pos};
1713		1941
1714	unless ($map) {	1942	unless ($map) {
1715	# restore original map position	1943	# restore original map position
…		…
1733	$map->load;	1961	$map->load;
1734	$map->load_diag;	1962	$map->load_diag;
1735		1963
1736	return unless $self->contr->active;	1964	return unless $self->contr->active;
1737	$self->activate_recursive;	1965	$self->activate_recursive;
		1966
		1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	1968	$self->enter_map ($map, $x, $y);
1739	}	1969	}
1740		1970
1741	cf::player->attach (
1742	on_logout => sub {
1743	my ($pl) = @_;
1744
1745	# abort map switching before logout
1746	if ($pl->ob->{_link_pos}) {
1747	cf::sync_job {
1748	$pl->ob->leave_link
1749	};
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)	1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1774		1972
		1973	Moves the player to the given map-path and coordinates by first freezing
		1974	her, loading and preparing them map, calling the provided $check callback
		1975	that has to return the map if sucecssful, and then unfreezes the player on
		1976	the new (success) or old (failed) map position.
		1977
1775	=cut	1978	=cut
		1979
		1980	our $GOTOGEN;
1776		1981
1777	sub cf::object::player::goto {	1982	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	1983	my ($self, $path, $x, $y, $check) = @_;
		1984
		1985	# do generation counting so two concurrent goto's will be executed in-order
		1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		1987
1780	$self->enter_link;	1988	$self->enter_link;
1781		1989
1782	(async {	1990	(async {
		1991	my $map = eval {
1783	my $map = cf::map::find $path;	1992	my $map = cf::map::find $path;
		1993
		1994	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	1995	$map = $map->customise_for ($self);
1785		1996	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	1997	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1999	}
1790		2000
		2001	$map
		2002	};
		2003
		2004	if ($@) {
		2005	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2006	LOG llevError | logBacktrace, Carp::longmess $@;
		2007	}
		2008
		2009	if ($gen == $self->{_goto_generation}) {
		2010	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2011	$self->leave_link ($map, $x, $y);
		2012	}
1792	})->prio (1);	2013	})->prio (1);
1793	}	2014	}
1794		2015
1795	=item $player_object->enter_exit ($exit_object)	2016	=item $player_object->enter_exit ($exit_object)
1796		2017
…		…
1798		2019
1799	sub parse_random_map_params {	2020	sub parse_random_map_params {
1800	my ($spec) = @_;	2021	my ($spec) = @_;
1801		2022
1802	my $rmp = { # defaults	2023	my $rmp = { # defaults
1803	xsize => 10,	2024	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2025	ysize => (cf::rndm 15, 40),
		2026	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2027	#layout => string,
1805	};	2028	};
1806		2029
1807	for (split /\n/, $spec) {	2030	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2031	my ($k, $v) = split /\s+/, $_, 2;
1809		2032
…		…
1813	$rmp	2036	$rmp
1814	}	2037	}
1815		2038
1816	sub prepare_random_map {	2039	sub prepare_random_map {
1817	my ($exit) = @_;	2040	my ($exit) = @_;
		2041
		2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2043
1819	# all this does is basically replace the /! path by	2044	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2045	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2046	# that depends on the exit object
1822		2047
1823	my $rmp = parse_random_map_params $exit->msg;	2048	my $rmp = parse_random_map_params $exit->msg;
1824		2049
1825	if ($exit->map) {	2050	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2051	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2052	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2053	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2054	$rmp->{origin_y} = $exit->y;
1830	}	2055	}
1831		2056
1832	$rmp->{random_seed} ||= $exit->random_seed;	2057	$rmp->{random_seed} ||= $exit->random_seed;
1833		2058
1834	my $data = cf::to_json $rmp;	2059	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2060	my $md5 = Digest::MD5::md5_hex $data;
		2061	my $meta = "$RANDOMDIR/$md5.meta";
1836		2062
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2064	aio_write $fh, 0, (length $data), $data, 0;
		2065	undef $fh;
		2066	aio_rename "$meta~", $meta;
1839		2067
1840	$exit->slaying ("?random/$md5");	2068	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2069	$exit->msg (undef);
1842	}	2070	}
1843	}	2071	}
1844		2072
1845	sub cf::object::player::enter_exit {	2073	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2074	my ($self, $exit) = @_;
1847		2075
1848	return unless $self->type == cf::PLAYER;	2076	return unless $self->type == cf::PLAYER;
		2077
		2078	if ($exit->slaying eq "/!") {
		2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2080	# the problem is that $exit might not survive long enough
		2081	# so it needs to be done right now, right here
		2082	cf::sync_job { prepare_random_map $exit };
		2083	}
		2084
		2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2086	my $hp = $exit->stats->hp;
		2087	my $sp = $exit->stats->sp;
1849		2088
1850	$self->enter_link;	2089	$self->enter_link;
1851		2090
1852	(async {	2091	(async {
1853	$self->deactivate_recursive; # just to be sure	2092	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2093	unless (eval {
1855	prepare_random_map $exit	2094	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2095
1861	1;	2096	1;
1862	}) {	2097	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2098	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2099	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2100	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2101	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2102
1868	warn "ERROR in enter_exit: $@";	2103	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2104	$self->leave_link;
1870	}	2105	}
1871	})->prio (1);	2106	})->prio (1);
…		…
1884		2119
1885	sub cf::client::send_drawinfo {	2120	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2121	my ($self, $text, $flags) = @_;
1887		2122
1888	utf8::encode $text;	2123	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2125	}
1891		2126
		2127	=item $client->ext_event ($type, %msg)
		2128
		2129	Sends an exti event to the client.
		2130
		2131	=cut
		2132
		2133	sub cf::client::ext_event($$%) {
		2134	my ($self, $type, %msg) = @_;
		2135
		2136	$msg{msgtype} = "event_$type";
		2137	$self->send_packet ("ext " . cf::to_json \%msg);
		2138	}
1892		2139
1893	=item $success = $client->query ($flags, "text", \&cb)	2140	=item $success = $client->query ($flags, "text", \&cb)
1894		2141
1895	Queues a query to the client, calling the given callback with	2142	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1925	# get handled first	2172	# get handled first
1926	my $queue = delete $ns->{query_queue}	2173	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2174	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2175
1929	(shift @$queue)->[1]->($msg);	2176	(shift @$queue)->[1]->($msg);
		2177	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2178
1931	push @{ $ns->{query_queue} }, @$queue;	2179	push @{ $ns->{query_queue} }, @$queue;
1932		2180
1933	if (@{ $ns->{query_queue} } == @$queue) {	2181	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2182	if (@$queue) {
…		…
1992		2240
1993	# here we export the classes and methods available to script code	2241	# here we export the classes and methods available to script code
1994		2242
1995	=pod	2243	=pod
1996		2244
1997	The following fucntions and emthods are available within a safe environment:	2245	The following functions and methods are available within a safe environment:
1998		2246
1999	cf::object contr pay_amount pay_player map	2247	cf::object contr pay_amount pay_player map
2000	cf::object::player player	2248	cf::object::player player
2001	cf::player peaceful	2249	cf::player peaceful
2002	cf::map trigger	2250	cf::map trigger
…		…
2087	#############################################################################	2335	#############################################################################
2088		2336
2089	=head2 EXTENSION DATABASE SUPPORT	2337	=head2 EXTENSION DATABASE SUPPORT
2090		2338
2091	Crossfire maintains a very simple database for extension use. It can	2339	Crossfire maintains a very simple database for extension use. It can
2092	currently store anything that can be serialised using Storable, which	2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2093	excludes objects.	2341	convert to/from binary).
2094		2342
2095	The parameter C<$family> should best start with the name of the extension	2343	The parameter C<$family> should best start with the name of the extension
2096	using it, it should be unique.	2344	using it, it should be unique.
2097		2345
2098	=over 4	2346	=over 4
2099		2347
2100	=item $hashref = cf::db_get $family
2101
2102	Return a hashref for use by the extension C<$family>, which can be
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105
2106	=item $value = cf::db_get $family => $key	2348	=item $value = cf::db_get $family => $key
2107		2349
2108	Returns a single value from the database	2350	Returns a single value from the database.
2109
2110	=item cf::db_put $family => $hashref
2111
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114		2351
2115	=item cf::db_put $family => $key => $value	2352	=item cf::db_put $family => $key => $value
2116		2353
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you	2354	Stores the given C<$value> in the family.
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127		2355
2128	=cut	2356	=cut
2129		2357
2130	our $DB;	2358	our $DB;
2131		2359
2132	{	2360	sub db_init {
2133	my $path = cf::localdir . "/database.pst";	2361	unless ($DB) {
		2362	$DB = BDB::db_create $DB_ENV;
2134		2363
2135	sub db_load() {	2364	cf::sync_job {
2136	$DB = stat $path ? Storable::retrieve $path : { };	2365	eval {
2137	}	2366	$DB->set_flags (BDB::CHKSUM);
2138		2367
2139	my $pid;	2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2140		2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2141	sub db_save() {	2370	cf::cleanup "db_open(db): $!" if $!;
2142	waitpid $pid, 0 if $pid;	2371	};
2143	if (0 == ($pid = fork)) {	2372	cf::cleanup "db_open(db): $@" if $@;
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}	2373	};
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	2374	}
		2375	}
2161		2376
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}
2166
2167	sub db_get($;$) {	2377	sub db_get($$) {
2168	@_ >= 2	2378	my $key = "$_[0]/$_[1]";
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172		2379
		2380	cf::sync_job {
		2381	BDB::db_get $DB, undef, $key, my $data;
		2382
		2383	$! ? ()
		2384	: $data
		2385	}
		2386	}
		2387
2173	sub db_put($$;$) {	2388	sub db_put($$$) {
2174	if (@_ >= 3) {	2389	BDB::dbreq_pri 4;
2175	$DB->{$_[0]}{$_[1]} = $_[2];	2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2176	} else {	2391	}
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181		2392
2182	cf::global->attach (	2393	=item cf::cache $id => [$paths...], $processversion => $process
2183	prio => 10000,	2394
2184	on_cleanup => sub {	2395	Generic caching function that returns the value of the resource $id,
2185	db_sync;	2396	caching and regenerating as required.
		2397
		2398	This function can block.
		2399
		2400	=cut
		2401
		2402	sub cache {
		2403	my ($id, $src, $processversion, $process) = @_;
		2404
		2405	my $meta =
		2406	join "\x00",
		2407	$processversion,
		2408	map {
		2409	aio_stat $_
		2410	and Carp::croak "$_: $!";
		2411
		2412	($_, (stat _)[7,9])
		2413	} @$src;
		2414
		2415	my $dbmeta = db_get cache => "$id/meta";
		2416	if ($dbmeta ne $meta) {
		2417	# changed, we may need to process
		2418
		2419	my @data;
		2420	my $md5;
		2421
		2422	for (0 .. $#$src) {
		2423	0 <= aio_load $src->[$_], $data[$_]
		2424	or Carp::croak "$src->[$_]: $!";
2186	},	2425	}
2187	);	2426
		2427	# if processing is expensive, check
		2428	# checksum first
		2429	if (1) {
		2430	$md5 =
		2431	join "\x00",
		2432	$processversion,
		2433	map {
		2434	Coro::cede;
		2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2436	} 0.. $#$src;
		2437
		2438
		2439	my $dbmd5 = db_get cache => "$id/md5";
		2440	if ($dbmd5 eq $md5) {
		2441	db_put cache => "$id/meta", $meta;
		2442
		2443	return db_get cache => "$id/data";
		2444	}
		2445	}
		2446
		2447	my $t1 = Time::HiRes::time;
		2448	my $data = $process->(\@data);
		2449	my $t2 = Time::HiRes::time;
		2450
		2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2452
		2453	db_put cache => "$id/data", $data;
		2454	db_put cache => "$id/md5" , $md5;
		2455	db_put cache => "$id/meta", $meta;
		2456
		2457	return $data;
		2458	}
		2459
		2460	db_get cache => "$id/data"
		2461	}
		2462
		2463	=item fork_call { }, $args
		2464
		2465	Executes the given code block with the given arguments in a seperate
		2466	process, returning the results. Everything must be serialisable with
		2467	Coro::Storable. May, of course, block. Note that the executed sub may
		2468	never block itself or use any form of Event handling.
		2469
		2470	=cut
		2471
		2472	sub fork_call(&@) {
		2473	my ($cb, @args) = @_;
		2474
		2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2476	# or die "socketpair: $!";
		2477	pipe my $fh1, my $fh2
		2478	or die "pipe: $!";
		2479
		2480	if (my $pid = fork) {
		2481	close $fh2;
		2482
		2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2484	$res = Coro::Storable::thaw $res;
		2485
		2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2487
		2488	die $$res unless "ARRAY" eq ref $res;
		2489
		2490	return wantarray ? @$res : $res->[-1];
		2491	} else {
		2492	reset_signals;
		2493	local $SIG{__WARN__};
		2494	local $SIG{__DIE__};
		2495	eval {
		2496	close $fh1;
		2497
		2498	my @res = eval { $cb->(@args) };
		2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2500	};
		2501
		2502	warn $@ if $@;
		2503	_exit 0;
		2504	}
2188	}	2505	}
2189		2506
2190	#############################################################################	2507	#############################################################################
2191	# the server's main()	2508	# the server's init and main functions
		2509
		2510	sub load_facedata($) {
		2511	my ($path) = @_;
		2512
		2513	warn "loading facedata from $path\n";
		2514
		2515	my $facedata;
		2516	0 < aio_load $path, $facedata
		2517	or die "$path: $!";
		2518
		2519	$facedata = Coro::Storable::thaw $facedata;
		2520
		2521	$facedata->{version} == 2
		2522	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2523
		2524	{
		2525	my $faces = $facedata->{faceinfo};
		2526
		2527	while (my ($face, $info) = each %$faces) {
		2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2532	Coro::cede;
		2533	}
		2534
		2535	while (my ($face, $info) = each %$faces) {
		2536	next unless $info->{smooth};
		2537	my $idx = cf::face::find $face
		2538	or next;
		2539	if (my $smooth = cf::face::find $info->{smooth}) {
		2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2541	} else {
		2542	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2543	}
		2544	Coro::cede;
		2545	}
		2546	}
		2547
		2548	{
		2549	my $anims = $facedata->{animinfo};
		2550
		2551	while (my ($anim, $info) = each %$anims) {
		2552	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2553	Coro::cede;
		2554	}
		2555
		2556	cf::anim::invalidate_all; # d'oh
		2557	}
		2558
		2559	1
		2560	}
		2561
		2562	sub reload_regions {
		2563	load_resource_file "$MAPDIR/regions"
		2564	or die "unable to load regions file\n";
		2565	}
		2566
		2567	sub reload_facedata {
		2568	load_facedata "$DATADIR/facedata"
		2569	or die "unable to load facedata\n";
		2570	}
		2571
		2572	sub reload_archetypes {
		2573	load_resource_file "$DATADIR/archetypes"
		2574	or die "unable to load archetypes\n";
		2575	}
		2576
		2577	sub reload_treasures {
		2578	load_resource_file "$DATADIR/treasures"
		2579	or die "unable to load treasurelists\n";
		2580	}
		2581
		2582	sub reload_resources {
		2583	warn "reloading resource files...\n";
		2584
		2585	reload_regions;
		2586	reload_facedata;
		2587	#reload_archetypes;#d#
		2588	reload_archetypes;
		2589	reload_treasures;
		2590
		2591	warn "finished reloading resource files\n";
		2592	}
		2593
		2594	sub init {
		2595	reload_resources;
		2596	}
2192		2597
2193	sub cfg_load {	2598	sub cfg_load {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	2599	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	2600	or return;
2196		2601
2197	local $/;	2602	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	2603	*CFG = YAML::Syck::Load <$fh>;
2199		2604
…		…
2213		2618
2214	sub main {	2619	sub main {
2215	# we must not ever block the main coroutine	2620	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	2621	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2623	(async {
2218	async { Event::one_event };	2624	Event::one_event;
		2625	})->prio (Coro::PRIO_MAX);
2219	};	2626	};
2220		2627
2221	cfg_load;	2628	cfg_load;
2222	db_load;	2629	db_init;
2223	load_extensions;	2630	load_extensions;
		2631
		2632	$TICK_WATCHER->start;
2224	Event::loop;	2633	Event::loop;
2225	}	2634	}
2226		2635
2227	#############################################################################	2636	#############################################################################
2228	# initialisation and cleanup	2637	# initialisation and cleanup
2229		2638
2230	# install some emergency cleanup handlers	2639	# install some emergency cleanup handlers
2231	BEGIN {	2640	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	2641	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	2642	Event->signal (
		2643	reentrant => 0,
2234	data => WF_AUTOCANCEL,	2644	data => WF_AUTOCANCEL,
2235	signal => $signal,	2645	signal => $signal,
		2646	prio => 0,
2236	cb => sub {	2647	cb => sub {
2237	cf::cleanup "SIG$signal";	2648	cf::cleanup "SIG$signal";
2238	},	2649	},
2239	);	2650	);
2240	}	2651	}
2241	}	2652	}
…		…
2262	my $map = $cf::MAP{$path} or next;	2673	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	2674	$map->valid or next;
2264	$map->save;	2675	$map->save;
2265	}	2676	}
2266	warn "end emergency map save\n";	2677	warn "end emergency map save\n";
		2678
		2679	warn "begin emergency database checkpoint\n";
		2680	BDB::db_env_txn_checkpoint $DB_ENV;
		2681	warn "end emergency database checkpoint\n";
2267	};	2682	};
2268		2683
2269	warn "leave emergency perl save\n";	2684	warn "leave emergency perl save\n";
2270	}	2685	}
2271		2686
		2687	sub post_cleanup {
		2688	my ($make_core) = @_;
		2689
		2690	warn Carp::longmess "post_cleanup backtrace"
		2691	if $make_core;
		2692	}
		2693
2272	sub reload() {	2694	sub do_reload_perl() {
2273	# can/must only be called in main	2695	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	2696	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	2697	warn "can only reload from main coroutine";
2276	return;	2698	return;
2277	}	2699	}
2278		2700
2279	warn "reloading...";	2701	warn "reloading...";
2280		2702
2281	warn "freezing server";	2703	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	2704
		2705	cf::sync_job {
		2706	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	2707	cf::emergency_save;
		2708	cf::write_runtime; # external watchdog should not bark
2284		2709
2285	warn "sync database to disk";	2710	warn "syncing database to disk";
2286	cf::db_sync;	2711	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		2712
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	2713	# if anything goes wrong in here, we should simply crash as we already saved
2291		2714
2292	warn "cancel all watchers";	2715	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	2716	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	2718	}
2296		2719
		2720	warn "flushing outstanding aio requests";
		2721	for (;;) {
		2722	BDB::flush;
		2723	IO::AIO::flush;
		2724	Coro::cede;
		2725	last unless IO::AIO::nreqs || BDB::nreqs;
		2726	warn "iterate...";
		2727	}
		2728
		2729	++$RELOAD;
		2730
2297	warn "cancel all extension coros";	2731	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	2732	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	2733	%EXT_CORO = ();
2300		2734
2301	warn "remove commands";	2735	warn "removing commands";
2302	%COMMAND = ();	2736	%COMMAND = ();
2303		2737
2304	warn "remove ext commands";	2738	warn "removing ext commands";
2305	%EXTCMD = ();	2739	%EXTCMD = ();
2306		2740
2307	warn "unload/nuke all extensions";	2741	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	2742	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	2743	warn "... unloading $pkg";
2310		2744
2311	if (my $cb = $pkg->can ("unload")) {	2745	if (my $cb = $pkg->can ("unload")) {
2312	eval {	2746	eval {
…		…
2317		2751
2318	warn "... nuking $pkg";	2752	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	2753	Symbol::delete_package $pkg;
2320	}	2754	}
2321		2755
2322	warn "unload all perl modules loaded from $LIBDIR";	2756	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	2757	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		2759
2326	warn "removing <$k>";	2760	warn "... unloading $k";
2327	delete $INC{$k};	2761	delete $INC{$k};
2328		2762
2329	$k =~ s/\.pm$//;	2763	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	2764	$k =~ s/\//::/g;
2331		2765
…		…
2334	}	2768	}
2335		2769
2336	Symbol::delete_package $k;	2770	Symbol::delete_package $k;
2337	}	2771	}
2338		2772
2339	warn "get rid of safe::, as good as possible";	2773	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	2774	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		2776
2343	warn "unload cf.pm \"a bit\"";	2777	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	2778	delete $INC{"cf.pm"};
		2779	delete $INC{"cf/pod.pm"};
2345		2780
2346	# don't, removes xs symbols, too,	2781	# don't, removes xs symbols, too,
2347	# and global variables created in xs	2782	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	2783	#Symbol::delete_package __PACKAGE__;
2349		2784
		2785	warn "unload completed, starting to reload now";
		2786
2350	warn "reloading cf.pm";	2787	warn "reloading cf.pm";
2351	require cf;	2788	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		2790
2354	warn "load config and database again";	2791	warn "loading config and database again";
2355	cf::cfg_load;	2792	cf::cfg_load;
2356	cf::db_load;
2357		2793
2358	warn "load extensions";	2794	warn "loading extensions";
2359	cf::load_extensions;	2795	cf::load_extensions;
2360		2796
2361	warn "reattach attachments to objects/players";	2797	warn "reattaching attachments to objects/players";
2362	_global_reattach;	2798	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	2799	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	2800	reattach $_ for values %MAP;
2365	};	2801	warn "reattaching attachments to players";
		2802	reattach $_ for values %PLAYER;
2366		2803
2367	if ($@) {	2804	warn "leaving sync_job";
		2805
		2806	1
		2807	} or do {
2368	warn $@;	2808	warn $@;
2369	warn "error while reloading, exiting.";	2809	warn "error while reloading, exiting.";
2370	exit 1;	2810	exit 1;
2371	}	2811	};
2372		2812
2373	warn "reloaded";	2813	warn "reloaded";
2374	};	2814	};
2375		2815
		2816	our $RELOAD_WATCHER; # used only during reload
		2817
		2818	sub reload_perl() {
		2819	# doing reload synchronously and two reloads happen back-to-back,
		2820	# coro crashes during coro_state_free->destroy here.
		2821
		2822	$RELOAD_WATCHER ||= Event->timer (
		2823	reentrant => 0,
		2824	after => 0,
		2825	data => WF_AUTOCANCEL,
		2826	cb => sub {
		2827	do_reload_perl;
		2828	undef $RELOAD_WATCHER;
		2829	},
		2830	);
		2831	}
		2832
2376	register_command "reload" => sub {	2833	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	2834	my ($who, $arg) = @_;
2378		2835
2379	if ($who->flag (FLAG_WIZ)) {	2836	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	2837	$who->message ("reloading server.");
		2838	async { reload_perl };
2383	}	2839	}
2384	};	2840	};
2385		2841
2386	unshift @INC, $LIBDIR;	2842	unshift @INC, $LIBDIR;
2387		2843
		2844	my $bug_warning = 0;
		2845
		2846	our @WAIT_FOR_TICK;
		2847	our @WAIT_FOR_TICK_BEGIN;
		2848
		2849	sub wait_for_tick {
		2850	return unless $TICK_WATCHER->is_active;
		2851	return if $Coro::current == $Coro::main;
		2852
		2853	my $signal = new Coro::Signal;
		2854	push @WAIT_FOR_TICK, $signal;
		2855	$signal->wait;
		2856	}
		2857
		2858	sub wait_for_tick_begin {
		2859	return unless $TICK_WATCHER->is_active;
		2860	return if $Coro::current == $Coro::main;
		2861
		2862	my $signal = new Coro::Signal;
		2863	push @WAIT_FOR_TICK_BEGIN, $signal;
		2864	$signal->wait;
		2865	}
		2866
		2867	my $min = 1e6;#d#
		2868	my $avg = 10;
2388	$TICK_WATCHER = Event->timer (	2869	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	2870	reentrant => 0,
		2871	parked => 1,
2390	prio => 0,	2872	prio => 0,
2391	at => $NEXT_TICK || $TICK,	2873	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2393	cb => sub {	2875	cb => sub {
		2876	if ($Coro::current != $Coro::main) {
		2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2878	unless ++$bug_warning > 10;
		2879	return;
		2880	}
		2881
2394	$NOW = Event::time;	2882	$NOW = $tick_start = Event::time;
2395		2883
2396	cf::server_tick; # one server iteration	2884	cf::server_tick; # one server iteration
		2885
		2886	0 && sync_job {#d#
		2887	for(1..10) {
		2888	my $t = Event::time;
		2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2890	or die;
		2891
		2892	$map->width (50);
		2893	$map->height (50);
		2894	$map->alloc;
		2895	$map->_load_objects ("/tmp/x.map", 1);
		2896	my $t = Event::time - $t;
		2897
		2898	#next unless $t < 0.0013;#d#
		2899	if ($t < $min) {
		2900	$min = $t;
		2901	}
		2902	$avg = $avg * 0.99 + $t * 0.01;
		2903	}
		2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2905	exit 0;
		2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2907	};
		2908
2397	$RUNTIME += $TICK;	2909	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	2910	$NEXT_TICK += $TICK;
2399		2911
2400	$WAIT_FOR_TICK->broadcast;	2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2914	Coro::async_pool {
		2915	write_runtime
		2916	or warn "ERROR: unable to write runtime file: $!";
		2917	};
		2918	}
		2919
		2920	# my $AFTER = Event::time;
		2921	# warn $AFTER - $NOW;#d#
		2922
		2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2924	$sig->send;
		2925	}
		2926	while (my $sig = shift @WAIT_FOR_TICK) {
		2927	$sig->send;
		2928	}
		2929
		2930	$NOW = Event::time;
2402		2931
2403	# if we are delayed by four ticks or more, skip them all	2932	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		2934
2406	$TICK_WATCHER->at ($NEXT_TICK);	2935	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	2936	$TICK_WATCHER->start;
		2937
		2938	$LOAD = ($NOW - $tick_start) / $TICK;
		2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2940
		2941	_post_tick;
		2942
		2943
2408	},	2944	},
2409	);	2945	);
2410		2946
		2947	{
		2948	BDB::max_poll_time $TICK * 0.1;
		2949	$BDB_POLL_WATCHER = Event->io (
		2950	reentrant => 0,
		2951	fd => BDB::poll_fileno,
		2952	poll => 'r',
		2953	prio => 0,
		2954	data => WF_AUTOCANCEL,
		2955	cb => \&BDB::poll_cb,
		2956	);
		2957	BDB::min_parallel 8;
		2958
		2959	BDB::set_sync_prepare {
		2960	my $status;
		2961	my $current = $Coro::current;
		2962	(
		2963	sub {
		2964	$status = $!;
		2965	$current->ready; undef $current;
		2966	},
		2967	sub {
		2968	Coro::schedule while defined $current;
		2969	$! = $status;
		2970	},
		2971	)
		2972	};
		2973
		2974	unless ($DB_ENV) {
		2975	$DB_ENV = BDB::db_env_create;
		2976
		2977	cf::sync_job {
		2978	eval {
		2979	BDB::db_env_open
		2980	$DB_ENV,
		2981	$BDBDIR,
		2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2984	0666;
		2985
		2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2987
		2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2989	$DB_ENV->set_lk_detect;
		2990	};
		2991
		2992	cf::cleanup "db_env_open(db): $@" if $@;
		2993	};
		2994	}
		2995	}
		2996
		2997	{
		2998	IO::AIO::min_parallel 8;
		2999
		3000	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3001	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3002	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3003	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3004	data => WF_AUTOCANCEL,
2423	after => 0,	3005	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3006	poll => 'r',
2425	cb => sub {	3007	prio => 6,
2426	(Coro::unblock_sub {	3008	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3009	);
2428	or warn "ERROR: unable to write runtime file: $!";	3010	}
		3011
		3012	my $_log_backtrace;
		3013
		3014	sub _log_backtrace {
		3015	my ($msg, @addr) = @_;
		3016
		3017	$msg =~ s/\n//;
		3018
		3019	# limit the # of concurrent backtraces
		3020	if ($_log_backtrace < 2) {
		3021	++$_log_backtrace;
		3022	async {
		3023	my @bt = fork_call {
		3024	@addr = map { sprintf "%x", $_ } @addr;
		3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3027	or die "addr2line: $!";
		3028
		3029	my @funcs;
		3030	my @res = <$fh>;
		3031	chomp for @res;
		3032	while (@res) {
		3033	my ($func, $line) = splice @res, 0, 2, ();
		3034	push @funcs, "[$func] $line";
		3035	}
		3036
		3037	@funcs
		3038	};
		3039
		3040	LOG llevInfo, "[ABT] $msg\n";
		3041	LOG llevInfo, "[ABT] $_\n" for @bt;
		3042	--$_log_backtrace;
2429	})->();	3043	};
		3044	} else {
		3045	LOG llevInfo, "[ABT] $msg\n";
		3046	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3047	}
2431	);	3048	}
		3049
		3050	# load additional modules
		3051	use cf::pod;
2432		3052
2433	END { cf::emergency_save }	3053	END { cf::emergency_save }
2434		3054
2435	1	3055	1
2436		3056

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