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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC vs.
Revision 1.478 by root, Thu Sep 17 01:57:31 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use EV 1.86;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;	56	use Digest::MD5;
31	use Fcntl;	57	use Fcntl;
32	use YAML ();	58	use YAML ();
33	use IO::AIO 2.51 ();	59	use IO::AIO ();
34	use Time::HiRes;	60	use Time::HiRes;
35	use Compress::LZF;	61	use Compress::LZF;
36	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
37		65
38	# configure various modules to our taste	66	# configure various modules to our taste
39	#	67	#
40	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		76
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45		79
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
47		81
48	our %COMMAND = ();	82	our %COMMAND = ();
49	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
52	our %EXTCMD = ();	86	our %EXTCMD = ();
53	our %EXTICMD = ();	87	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
56		90
57	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	92	our @EVENT;
59		93
60	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	95	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
71	our %RESOURCE;	108	our %RESOURCE;
72		109
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	112	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		114
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	115	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	116	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	118	our $DB_ENV;
85		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
		121
86	our %CFG;	122	our %CFG;
87		123
88	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	125	our $RUNTIME;
90	our $NOW;	126	our $NOW;
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		134
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
102		144
103	binmode STDOUT;	145	binmode STDOUT;
104	binmode STDERR;	146	binmode STDERR;
105		147
106	# read virtual server time, if available	148	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
111	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
112		156
113	mkdir $_	157	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		159
116	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
178		222
179	=back	223	=back
180		224
181	=cut	225	=cut
182		226
183	BEGIN {	227	$Coro::State::WARNHOOK = sub {
184	*CORE::GLOBAL::warn = sub {
185	my $msg = join "", @_;	228	my $msg = join "", @_;
186		229
187	$msg .= "\n"	230	$msg .= "\n"
188	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
189		232
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		234
192	LOG llevError, $msg;	235	LOG llevError, $msg;
193	};	236	};
194	}
195		237
196	$Coro::State::DIEHOOK = sub {	238	$Coro::State::DIEHOOK = sub {
197	return unless $^S eq 0; # "eq", not "=="	239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
198		242
199	if ($Coro::current == $Coro::main) {#d#	243	if ($Coro::current == $Coro::main) {#d#
200	warn "DIEHOOK called in main context, Coro bug?\n";#d#	244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
201	return;#d#	245	return;#d#
202	}#d#	246	}#d#
203		247
204	# kill coroutine otherwise	248	# kill coroutine otherwise
205	warn Carp::longmess $_[0];
206	Coro::terminate	249	Coro::terminate
207	};	250	};
208
209	$SIG{__DIE__} = sub { }; #d#?
210		251
211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
221	for my $pkg (qw(	262	for my $pkg (qw(
222	cf::global cf::attachable	263	cf::global cf::attachable
223	cf::object cf::object::player	264	cf::object cf::object::player
224	cf::client cf::player	265	cf::client cf::player
225	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
226	cf::map cf::party cf::region	268	cf::party cf::region
227	)) {	269	)) {
228	no strict 'refs';
229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
230	}	271	}
231		272
232	$EV::DIED = sub {	273	$EV::DIED = sub {
233	warn "error in event callback: @_";	274	warn "error in event callback: @_";
…		…
275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
276		317
277	sub encode_json($) { $json_coder->encode ($_[0]) }	318	sub encode_json($) { $json_coder->encode ($_[0]) }
278	sub decode_json($) { $json_coder->decode ($_[0]) }	319	sub decode_json($) { $json_coder->decode ($_[0]) }
279		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
		333	}
		334
280	=item cf::lock_wait $string	335	=item cf::lock_wait $string
281		336
282	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
283		338
284	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
285		340
286	Wait until the given lock is available and then acquires it and returns	341	Wait until the given lock is available and then acquires it and returns
287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	342	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
288	for example when the coroutine gets canceled), the lock is automatically	343	for example when the coroutine gets canceled), the lock is automatically
289	returned.	344	returned.
290		345
291	Locks are *not* recursive, locking from the same coro twice results in a	346	Locks are *not* recursive, locking from the same coro twice results in a
292	deadlocked coro.	347	deadlocked coro.
…		…
298		353
299	Return true if the lock is currently active, i.e. somebody has locked it.	354	Return true if the lock is currently active, i.e. somebody has locked it.
300		355
301	=cut	356	=cut
302		357
303	our %LOCK;	358	our $LOCKS = new Coro::SemaphoreSet;
304	our %LOCKER;#d#
305		359
306	sub lock_wait($) {	360	sub lock_wait($) {
307	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
308
309	if ($LOCKER{$key} == $Coro::current) {#d#
310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
311	return;#d#
312	}#d#
313
314	# wait for lock, if any
315	while ($LOCK{$key}) {
316	push @{ $LOCK{$key} }, $Coro::current;
317	Coro::schedule;
318	}
319	}	362	}
320		363
321	sub lock_acquire($) {	364	sub lock_acquire($) {
322	my ($key) = @_;	365	$LOCKS->guard ($_[0])
323
324	# wait, to be sure we are not locked
325	lock_wait $key;
326
327	$LOCK{$key} = [];
328	$LOCKER{$key} = $Coro::current;#d#
329
330	Coro::guard {
331	delete $LOCKER{$key};#d#
332	# wake up all waiters, to be on the safe side
333	$_->ready for @{ delete $LOCK{$key} };
334	}
335	}	366	}
336		367
337	sub lock_active($) {	368	sub lock_active($) {
338	my ($key) = @_;	369	$LOCKS->count ($_[0]) < 1
339
340	! ! $LOCK{$key}
341	}	370	}
342		371
343	sub freeze_mainloop {	372	sub freeze_mainloop {
344	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
345		374
346	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
347	$TICK_WATCHER->start;
348	};
349	$TICK_WATCHER->stop;
350	$guard
351	}	376	}
352		377
353	=item cf::periodic $interval, $cb	378	=item cf::periodic $interval, $cb
354		379
355	Like EV::periodic, but randomly selects a starting point so that the actions	380	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
410	}	435	}
411	}	436	}
412	};	437	};
413		438
414	sub get_slot($;$$) {	439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
415	my ($time, $pri, $name) = @_;	442	my ($time, $pri, $name) = @_;
416		443
417	$time = $TICK * .6 if $time > $TICK * .6;	444	$time = $TICK * .6 if $time > $TICK * .6;
418	my $sig = new Coro::Signal;	445	my $sig = new Coro::Signal;
419		446
…		…
456	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
457	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
458		485
459	LOG llevError, Carp::longmess "sync job";#d#	486	LOG llevError, Carp::longmess "sync job";#d#
460		487
461	# TODO: use suspend/resume instead
462	# (but this is cancel-safe)
463	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
464		489
465	my $busy = 1;	490	my $busy = 1;
466	my @res;	491	my @res;
467		492
…		…
478	} else {	503	} else {
479	EV::loop EV::LOOP_ONESHOT;	504	EV::loop EV::LOOP_ONESHOT;
480	}	505	}
481	}	506	}
482		507
483	$time = EV::time - $time;	508	my $time = EV::time - $time;
484		509
485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
487
488	$tick_start += $time; # do not account sync jobs to server load	510	$TICK_START += $time; # do not account sync jobs to server load
489		511
490	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
491	} else {	513	} else {
492	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
493		515
…		…
535	reset_signals;	557	reset_signals;
536	&$cb	558	&$cb
537	}, @args;	559	}, @args;
538		560
539	wantarray ? @res : $res[-1]	561	wantarray ? @res : $res[-1]
		562	}
		563
		564	=item $coin = coin_from_name $name
		565
		566	=cut
		567
		568	our %coin_alias = (
		569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
540	}	589	}
541		590
542	=item $value = cf::db_get $family => $key	591	=item $value = cf::db_get $family => $key
543		592
544	Returns a single value from the environment database.	593	Returns a single value from the environment database.
…		…
683		732
684	#############################################################################	733	#############################################################################
685		734
686	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
687		736
688	Many objects in crossfire are so-called attachable objects. That means you can	737	Many objects in deliantra are so-called attachable objects. That means you can
689	attach callbacks/event handlers (a collection of which is called an "attachment")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
690	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
691		740
692	In the following description, CLASS can be any of C<global>, C<object>	741	In the following description, CLASS can be any of C<global>, C<object>
693	C<player>, C<client> or C<map> (i.e. the attachable objects in	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
743	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
744		793
745	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
746	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
747		796
748	Some classes such as crossfire maps and objects can specify attachments	797	Some classes such as deliantra maps and objects can specify attachments
749	that are attached at load/instantiate time, thus the need for a name.	798	that are attached at load/instantiate time, thus the need for a name.
750		799
751	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
752		801
753	=over 4	802	=over 4
…		…
1044		1093
1045	sub reattach {	1094	sub reattach {
1046	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
1047	my ($obj) = @_;	1096	my ($obj) = @_;
1048		1097
		1098	# no longer needed after getting rid of delete_package?
1049	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1050		1100
1051	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
1052		1102
1053	@$registry = ();	1103	@$registry = ();
1054		1104
…		…
1100	utf8::decode (my $decname = $filename);	1150	utf8::decode (my $decname = $filename);
1101	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
1102	$decname, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
1103		1153
1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1105	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1107	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1159	aio_fsync $fh;
		1160	}
1108	close $fh;	1161	aio_close $fh;
1109		1162
1110	if (@$objs) {	1163	if (@$objs) {
1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1112	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1114	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
1115	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1170	aio_fsync $fh;
		1171	}
1116	close $fh;	1172	aio_close $fh;
1117	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
1118	}	1174	}
1119	} else {	1175	} else {
1120	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
1121	}	1177	}
1122		1178
1123	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
1124	} else {	1183	} else {
1125	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
1126	}	1185	}
1127	} else {	1186	} else {
1128	aio_unlink $filename;	1187	aio_unlink $filename;
1129	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1130	}	1189	}
…		…
1221	my ($name, $cb) = @_;	1280	my ($name, $cb) = @_;
1222		1281
1223	$EXTICMD{$name} = $cb;	1282	$EXTICMD{$name} = $cb;
1224	}	1283	}
1225		1284
		1285	use File::Glob ();
		1286
1226	cf::player->attach (	1287	cf::player->attach (
1227	on_command => sub {	1288	on_command => sub {
1228	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
1229		1290
1230	my $cb = $COMMAND{$name}	1291	my $cb = $COMMAND{$name}
…		…
1262		1323
1263	cf::override;	1324	cf::override;
1264	},	1325	},
1265	);	1326	);
1266		1327
		1328	# "readahead" all extensions
		1329	sub cache_extensions {
		1330	my $grp = IO::AIO::aio_group;
		1331
		1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1333	for (grep /\.ext$/, @{$_[0]}) {
		1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1335	}
		1336	};
		1337
		1338	$grp
		1339	}
		1340
1267	sub load_extensions {	1341	sub load_extensions {
1268	cf::sync_job {	1342	cf::sync_job {
1269	my %todo;	1343	my %todo;
1270		1344
1271	for my $path (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
…		…
1290		1364
1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1293		1367
1294	$ext{source} =	1368	$ext{source} =
1295	"package $pkg; use strict; use utf8;\n"	1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1296	. "#line 1 \"$path\"\n{\n"	1370	. "#line 1 \"$path\"\n{\n"
1297	. $source	1371	. $source
1298	. "\n};\n1";	1372	. "\n};\n1";
1299		1373
1300	$todo{$base} = \%ext;	1374	$todo{$base} = \%ext;
…		…
1316	my $msg = $@ ? "$v->{path}: $@\n"	1390	my $msg = $@ ? "$v->{path}: $@\n"
1317	: "$v->{base}: extension inactive.\n";	1391	: "$v->{base}: extension inactive.\n";
1318		1392
1319	if (exists $v->{meta}{mandatory}) {	1393	if (exists $v->{meta}{mandatory}) {
1320	warn $msg;	1394	warn $msg;
1321	warn "mandatory extension failed to load, exiting.\n";	1395	cf::cleanup "mandatory extension failed to load, exiting.";
1322	exit 1;
1323	}	1396	}
1324		1397
1325	warn $msg;	1398	warn $msg;
1326	}	1399	}
1327		1400
…		…
1341		1414
1342	=back	1415	=back
1343		1416
1344	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
1345		1418
1346	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
1347		1420
1348	=cut	1421	=cut
1349		1422
1350	package cf::player;	1423	package cf::player;
1351		1424
…		…
1394		1467
1395	sub exists($) {	1468	sub exists($) {
1396	my ($login) = @_;	1469	my ($login) = @_;
1397		1470
1398	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
1399	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
1400	}	1473	}
1401		1474
1402	sub find($) {	1475	sub find($) {
1403	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
1404	my $login = $_[0];	1477	my $login = $_[0];
…		…
1416	my $f = new_from_file cf::object::thawer path $login	1489	my $f = new_from_file cf::object::thawer path $login
1417	or return;	1490	or return;
1418		1491
1419	my $pl = cf::player::load_pl $f	1492	my $pl = cf::player::load_pl $f
1420	or return;	1493	or return;
		1494
1421	local $cf::PLAYER_LOADING{$login} = $pl;	1495	local $cf::PLAYER_LOADING{$login} = $pl;
1422	$f->resolve_delayed_derefs;	1496	$f->resolve_delayed_derefs;
1423	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1424	}	1498	}
1425	}	1499	}
…		…
1435		1509
1436	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1437		1511
1438	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1439	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
		1514
		1515	cf::get_slot 0.01;
1440		1516
1441	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1442	cf::cede_to_tick;	1518	cf::cede_to_tick;
1443	}	1519	}
1444		1520
…		…
1476	my ($pl) = @_;	1552	my ($pl) = @_;
1477		1553
1478	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1479		1555
1480	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1481	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1482		1558
1483	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1484	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1485	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1486	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1487		1565
1488	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1489	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1528		1606
1529	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
1530	my $path = path $login;	1608	my $path = path $login;
1531		1609
1532	# a .pst is a dead give-away for a valid player	1610	# a .pst is a dead give-away for a valid player
1533	unless (-e "$path.pst") {	1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1535	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1536	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
1537	}	1616	}
1538		1617
…		…
1569	}	1648	}
1570		1649
1571	\@paths	1650	\@paths
1572	}	1651	}
1573		1652
1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1575		1654
1576	Expand crossfire pod fragments into protocol xml.	1655	Expand deliantra pod fragments into protocol xml.
1577
1578	=cut
1579
1580	use re 'eval';
1581
1582	my $group;
1583	my $interior; $interior = qr{
1584	# match a pod interior sequence sans C<< >>
1585	(?:
1586	\ (.*?)\ (?{ $group = $^N })
1587	| < (??{$interior}) >
1588	)
1589	}x;
1590
1591	sub expand_cfpod {
1592	my ($self, $pod) = @_;
1593
1594	my $xml;
1595
1596	while () {
1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1598	$group = $1;
1599
1600	$group =~ s/&/&amp;/g;
1601	$group =~ s/</&lt;/g;
1602
1603	$xml .= $group;
1604	} elsif ($pod =~ m%\G
1605	([BCGHITU])
1606	<
1607	(?:
1608	([^<>]*) (?{ $group = $^N })
1609	| < $interior >
1610	)
1611	>
1612	%gcsx
1613	) {
1614	my ($code, $data) = ($1, $group);
1615
1616	if ($code eq "B") {
1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1618	} elsif ($code eq "I") {
1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1620	} elsif ($code eq "U") {
1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1622	} elsif ($code eq "C") {
1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1624	} elsif ($code eq "T") {
1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1626	} elsif ($code eq "G") {
1627	my ($male, $female) = split /\|/, $data;
1628	$data = $self->gender ? $female : $male;
1629	$xml .= expand_cfpod ($self, $data);
1630	} elsif ($code eq "H") {
1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1633	"")
1634	[$self->{hintmode}];
1635	} else {
1636	$xml .= "error processing '$code($data)' directive";
1637	}
1638	} else {
1639	if ($pod =~ /\G(.+)/) {
1640	warn "parse error while expanding $pod (at $1)";
1641	}
1642	last;
1643	}
1644	}
1645
1646	for ($xml) {
1647	# create single paragraphs (very hackish)
1648	s/(?<=\S)\n(?=\w)/ /g;
1649
1650	# compress some whitespace
1651	s/\s+\n/\n/g; # ws line-ends
1652	s/\n\n+/\n/g; # double lines
1653	s/^\n+//; # beginning lines
1654	s/\n+$//; # ending lines
1655	}
1656
1657	$xml
1658	}
1659
1660	no re 'eval';
1661
1662	sub hintmode {
1663	$_[0]{hintmode} = $_[1] if @_ > 1;
1664	$_[0]{hintmode}
1665	}
1666		1656
1667	=item $player->ext_reply ($msgid, @msg)	1657	=item $player->ext_reply ($msgid, @msg)
1668		1658
1669	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1670		1660
…		…
1737	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1738	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1739		1729
1740	sub generate_random_map {	1730	sub generate_random_map {
1741	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1742	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1743	$self->_create_random_map (	1736	$self->_create_random_map (
1744	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1745	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1746	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1868		1861
1869	# the temporary/swap location	1862	# the temporary/swap location
1870	sub save_path {	1863	sub save_path {
1871	my ($self) = @_;	1864	my ($self) = @_;
1872		1865
1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1874	"$TMPDIR/$path.map"	1867	"$TMPDIR/$path.map"
1875	}	1868	}
1876		1869
1877	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1878	sub uniq_path {	1871	sub uniq_path {
1879	my ($self) = @_;	1872	my ($self) = @_;
1880		1873
1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1882	"$UNIQUEDIR/$path"	1875	"$UNIQUEDIR/$path"
1883	}
1884
1885	# and all this just because we cannot iterate over
1886	# all maps in C++...
1887	sub change_all_map_light {
1888	my ($change) = @_;
1889
1890	$_->change_map_light ($change)
1891	for grep $_->outdoor, values %cf::MAP;
1892	}	1876	}
1893		1877
1894	sub decay_objects {	1878	sub decay_objects {
1895	my ($self) = @_;	1879	my ($self) = @_;
1896		1880
…		…
1980	sub find {	1964	sub find {
1981	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1982		1966
1983	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1984		1968
1985	cf::lock_wait "map_data:$path";#d#remove	1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1986	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1987		1971
1988	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1989	my $guard1 = cf::lock_acquire "map_find:$path";
1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1991
1992	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1993	or return;	1974	or return;
1994		1975
1995	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1996		1977
…		…
1998	or return;	1979	or return;
1999		1980
2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2001	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
2002	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
2003	undef $guard1;	1985	undef $guard1;
2004	undef $guard2;
2005	$map->reset;	1986	$map->reset;
2006	return find $path;	1987	return find $path;
2007	}	1988	}
2008		1989
2009	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
…		…
2036	my $f = new_from_file cf::object::thawer $self->{load_path};	2017	my $f = new_from_file cf::object::thawer $self->{load_path};
2037	$f->skip_block;	2018	$f->skip_block;
2038	$self->_load_objects ($f)	2019	$self->_load_objects ($f)
2039	or return;	2020	or return;
2040		2021
2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
2042	if delete $self->{load_original};	2023	if delete $self->{load_original};
2043		2024
2044	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
2045	utf8::encode $uniq;	2026	utf8::encode $uniq;
2046	unless (aio_stat $uniq) {	2027	unless (aio_stat $uniq) {
…		…
2064	unless ($self->{deny_activate}) {	2045	unless ($self->{deny_activate}) {
2065	$self->decay_objects;	2046	$self->decay_objects;
2066	$self->fix_auto_apply;	2047	$self->fix_auto_apply;
2067	$self->update_buttons;	2048	$self->update_buttons;
2068	cf::cede_to_tick;	2049	cf::cede_to_tick;
2069	$self->set_darkness_map;
2070	cf::cede_to_tick;
2071	$self->activate;	2050	$self->activate;
2072	}	2051	}
2073		2052
2074	$self->{last_save} = $cf::RUNTIME;	2053	$self->{last_save} = $cf::RUNTIME;
2075	$self->last_access ($cf::RUNTIME);	2054	$self->last_access ($cf::RUNTIME);
2076		2055
2077	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
2078	}	2057	}
2079		2058
2080	$self->post_load;	2059	$self->post_load;
2081	}	2060	}
2082		2061
…		…
2140	my ($path, $origin, $load) = @_;	2119	my ($path, $origin, $load) = @_;
2141		2120
2142	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
2143		2122
2144	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2146	}	2125	}
2147		2126
2148	$MAP_PREFETCH{$path} |= $load;	2127	$MAP_PREFETCH{$path} |= $load;
2149		2128
2150	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
…		…
2187	cf::async {	2166	cf::async {
2188	$Coro::current->{desc} = "map player save";	2167	$Coro::current->{desc} = "map player save";
2189	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2190	};	2169	};
2191		2170
		2171	cf::get_slot 0.02;
		2172
2192	if ($uniq) {	2173	if ($uniq) {
2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2195	} else {	2176	} else {
2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2204	$self->save;	2185	$self->save;
2205		2186
2206	my $lock = cf::lock_acquire "map_data:$self->{path}";	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2207		2188
2208	return if $self->players;	2189	return if $self->players;
2209	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2210	return if $self->{deny_save};	2191	return if $self->{deny_save};
2211		2192
2212	$self->in_memory (cf::MAP_SWAPPED);	2193	$self->in_memory (cf::MAP_SWAPPED);
2213		2194
2214	$self->deactivate;	2195	$self->deactivate;
…		…
2239		2220
2240	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
2241		2222
2242	return if $self->players;	2223	return if $self->players;
2243		2224
2244	warn "resetting map ", $self->path;	2225	warn "resetting map ", $self->path, "\n";
2245		2226
2246	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
2247		2228
2248	# need to save uniques path	2229	# need to save uniques path
2249	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
2332		2313
2333	sub unique_maps() {	2314	sub unique_maps() {
2334	[	2315	[
2335	map {	2316	map {
2336	utf8::decode $_;	2317	utf8::decode $_;
2337	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2338	? normalise $_	2321	: normalise $_
2339	: ()
2340	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2341	]	2323	]
2342	}	2324	}
2343		2325
2344	package cf;
2345
2346	=back	2326	=back
2347		2327
2348	=head3 cf::object	2328	=head3 cf::object
2349		2329
2350	=cut	2330	=cut
…		…
2353		2333
2354	=over 4	2334	=over 4
2355		2335
2356	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2357		2337
2358	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
2359		2340
2360	=cut	2341	=cut
2361		2342
2362	sub inv_recursive_;	2343	sub inv_recursive_;
2363	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2368	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2369	}	2350	}
2370		2351
2371	=item $ref = $ob->ref	2352	=item $ref = $ob->ref
2372		2353
2373	creates and returns a persistent reference to an objetc that can be stored as a string.	2354	Creates and returns a persistent reference to an object that can be stored as a string.
2374		2355
2375	=item $ob = cf::object::deref ($refstring)	2356	=item $ob = cf::object::deref ($refstring)
2376		2357
2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2378	even if the object actually exists. May block.	2359	even if the object actually exists. May block.
…		…
2410	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2411	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2412		2393
2413	=cut	2394	=cut
2414		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
		2409
2415	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2416	# with dialog boxes.	2411	# with dialog boxes.
2417	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2418	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
2419	my ($self, $npc, $msg, $flags) = @_;	2414	my ($self, $npc, $msg, $flags) = @_;
…		…
2430	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2432		2427
2433	} else {	2428	} else {
2434	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2435	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2436	}	2431	}
2437	}	2432	}
2438	}	2433	}
2439		2434
2440	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2465		2460
2466	=item $player_object->enter_link	2461	=item $player_object->enter_link
2467		2462
2468	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2469		2464
2470	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
2471	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2472		2469
2473	Will never block.	2470	Will never block.
2474		2471
2475	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2476		2473
…		…
2534		2531
2535	$map->load;	2532	$map->load;
2536	$map->load_neighbours;	2533	$map->load_neighbours;
2537		2534
2538	return unless $self->contr->active;	2535	return unless $self->contr->active;
2539	$self->activate_recursive;
2540		2536
2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2542	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
		2539
		2540	# only activate afterwards, to support waiting in hooks
		2541	$self->activate_recursive;
2543	}	2542	}
2544		2543
2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2546		2545
2547	Moves the player to the given map-path and coordinates by first freezing	2546	Moves the player to the given map-path and coordinates by first freezing
2548	her, loading and preparing them map, calling the provided $check callback	2547	her, loading and preparing them map, calling the provided $check callback
2549	that has to return the map if sucecssful, and then unfreezes the player on	2548	that has to return the map if sucecssful, and then unfreezes the player on
2550	the new (success) or old (failed) map position. In either case, $done will	2549	the new (success) or old (failed) map position. In either case, $done will
2551	be called at the end of this process.	2550	be called at the end of this process.
		2551
		2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
2552		2554
2553	=cut	2555	=cut
2554		2556
2555	our $GOTOGEN;	2557	our $GOTOGEN;
2556		2558
…		…
2635	}	2637	}
2636		2638
2637	sub prepare_random_map {	2639	sub prepare_random_map {
2638	my ($exit) = @_;	2640	my ($exit) = @_;
2639		2641
2640	my $guard = cf::lock_acquire "exit_prepare:$exit";
2641
2642	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
2643	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
2644	# that depends on the exit object	2644	# that depends on the exit object
2645		2645
2646	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
2648	if ($exit->map) {	2648	if ($exit->map) {
2649	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
2650	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
2651	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
2652	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
2653	}	2655	}
2654		2656
2655	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
2656		2658
2657	my $data = cf::encode_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2658	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
2659	my $meta = "$RANDOMDIR/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
2660		2662
2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2662	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
2663	undef $fh;	2665	undef $fh;
2664	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
2665		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
2666	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
2667	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
2668	}	2674	}
2669	}	2675	}
2670		2676
2671	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
2672	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
2673		2679
2674	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
2675		2681
2676	if ($exit->slaying eq "/!") {
2677	#TODO: this should de-fi-ni-te-ly not be a sync-job
2678	# the problem is that $exit might not survive long enough
2679	# so it needs to be done right now, right here
2680	cf::sync_job { prepare_random_map $exit };
2681	}
2682
2683	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2684	my $hp = $exit->stats->hp;
2685	my $sp = $exit->stats->sp;
2686
2687	$self->enter_link;	2682	$self->enter_link;
2688		2683
2689	# if exit is damned, update players death & WoR home-position
2690	$self->contr->savebed ($slaying, $hp, $sp)
2691	if $exit->flag (FLAG_DAMNED);
2692
2693	(async {	2684	(async {
2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2685	$Coro::current->{desc} = "enter_exit";
2695		2686
2696	$self->deactivate_recursive; # just to be sure
2697	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
2698	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
2699		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
2700	1;	2708	1
2701	}) {	2709	}) {
2702	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
2703	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
2704	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
2705	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
2706		2714
2707	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
…		…
2773	id => "infobox",	2781	id => "infobox",
2774	title => "Body Parts",	2782	title => "Body Parts",
2775	reply => undef,	2783	reply => undef,
2776	tooltip => "Shows which body parts you posess and are available",	2784	tooltip => "Shows which body parts you posess and are available",
2777	},	2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
2778	"c/uptime" => {	2822	"c/uptime" => {
2779	id => "infobox",	2823	id => "infobox",
2780	title => "Uptime",	2824	title => "Uptime",
2781	reply => undef,	2825	reply => undef,
2782	tooltip => "How long the server has been running since last restart",	2826	tooltip => "How long the server has been running since last restart",
…		…
2785	id => "infobox",	2829	id => "infobox",
2786	title => "Map Info",	2830	title => "Map Info",
2787	reply => undef,	2831	reply => undef,
2788	tooltip => "Information related to the maps",	2832	tooltip => "Information related to the maps",
2789	},	2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
2790	);	2848	);
2791		2849
2792	sub cf::client::send_msg {	2850	sub cf::client::send_msg {
2793	my ($self, $channel, $msg, $color, @extra) = @_;	2851	my ($self, $channel, $msg, $color, @extra) = @_;
2794		2852
2795	$msg = $self->pl->expand_cfpod ($msg);	2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
2796		2855
2797	$color &= cf::NDI_CLIENT_MASK; # just in case...	2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
2798		2857
2799	# check predefined channels, for the benefit of C	2858	# check predefined channels, for the benefit of C
2800	if ($CHANNEL{$channel}) {	2859	if ($CHANNEL{$channel}) {
2801	$channel = $CHANNEL{$channel};	2860	$channel = $CHANNEL{$channel};
2802		2861
2803	$self->ext_msg (channel_info => $channel)	2862	$self->ext_msg (channel_info => $channel);
2804	if $self->can_msg;
2805
2806	$channel = $channel->{id};	2863	$channel = $channel->{id};
2807		2864
2808	} elsif (ref $channel) {	2865	} elsif (ref $channel) {
2809	# send meta info to client, if not yet sent	2866	# send meta info to client, if not yet sent
2810	unless (exists $self->{channel}{$channel->{id}}) {	2867	unless (exists $self->{channel}{$channel->{id}}) {
2811	$self->{channel}{$channel->{id}} = $channel;	2868	$self->{channel}{$channel->{id}} = $channel;
2812	$self->ext_msg (channel_info => $channel)	2869	$self->ext_msg (channel_info => $channel);
2813	if $self->can_msg;
2814	}	2870	}
2815		2871
2816	$channel = $channel->{id};	2872	$channel = $channel->{id};
2817	}	2873	}
2818		2874
2819	return unless @extra || length $msg;	2875	return unless @extra || length $msg;
2820		2876
2821	if ($self->can_msg) {
2822	# default colour, mask it out	2877	# default colour, mask it out
2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2824	if $color & cf::NDI_DEF;	2879	if $color & cf::NDI_DEF;
2825		2880
2826	$self->send_packet ("msg " . $self->{json_coder}->encode (	2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2828	} else {	2884	);
2829	if ($color >= 0) {
2830	# replace some tags by gcfclient-compatible ones
2831	for ($msg) {
2832	1 while
2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2838	}
2839		2885
2840	$color &= cf::NDI_COLOR_MASK;	2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
2841		2889
2842	utf8::encode $msg;	2890	# split very large packets
2843		2891	if (8192 < length $pkt and $self->{can_lzf}) {
2844	if (0 && $msg =~ /\[/) {	2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2845	# COMMAND/INFO	2893	$pkt = "frag";
2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
2847	} else {
2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2849	$self->send_packet ("drawinfo $color $msg")
2850	}
2851	}
2852	}	2894	}
		2895
		2896	$self->send_packet ($pkt);
2853	}	2897	}
2854		2898
2855	=item $client->ext_msg ($type, @msg)	2899	=item $client->ext_msg ($type, @msg)
2856		2900
2857	Sends an ext event to the client.	2901	Sends an ext event to the client.
…		…
3031		3075
3032	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
3033		3077
3034	cf::object	3078	cf::object
3035	contr pay_amount pay_player map x y force_find force_add destroy	3079	contr pay_amount pay_player map x y force_find force_add destroy
3036	insert remove name archname title slaying race decrease_ob_nr	3080	insert remove name archname title slaying race decrease split
		3081	value
3037		3082
3038	cf::object::player	3083	cf::object::player
3039	player	3084	player
3040		3085
3041	cf::player	3086	cf::player
…		…
3046		3091
3047	=cut	3092	=cut
3048		3093
3049	for (	3094	for (
3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3051	insert remove inv name archname title slaying race	3096	insert remove inv nrof name archname title slaying race
3052	decrease_ob_nr destroy)],	3097	decrease split destroy change_exp value msg lore send_msg)],
3053	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
3054	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
3055	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
3056	) {	3101	) {
3057	no strict 'refs';	3102	no strict 'refs';
3058	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
3059	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3076	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
3077		3122
3078	my $qcode = $code;	3123	my $qcode = $code;
3079	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3080	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
3081		3128
3082	local $_;	3129	local $_;
3083	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
3084		3131
3085	my $eval =	3132	my $eval =
…		…
3265	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
3266	$ns->fx_want ($k, $v);	3313	$ns->fx_want ($k, $v);
3267	}	3314	}
3268	};	3315	};
3269		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
3270	sub reload_regions {	3327	sub reload_regions {
3271	# HACK to clear player env face cache, we need some signal framework	3328	# HACK to clear player env face cache, we need some signal framework
3272	# for this (global event?)	3329	# for this (global event?)
3273	%ext::player_env::MUSIC_FACE_CACHE = ();	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
3274		3331
…		…
3287	}	3344	}
3288		3345
3289	sub reload_archetypes {	3346	sub reload_archetypes {
3290	load_resource_file "$DATADIR/archetypes"	3347	load_resource_file "$DATADIR/archetypes"
3291	or die "unable to load archetypes\n";	3348	or die "unable to load archetypes\n";
3292	#d# NEED to laod twice to resolve forward references
3293	# this really needs to be done in an extra post-pass
3294	# (which needs to be synchronous, so solve it differently)
3295	load_resource_file "$DATADIR/archetypes"
3296	or die "unable to load archetypes\n";
3297	}	3349	}
3298		3350
3299	sub reload_treasures {	3351	sub reload_treasures {
3300	load_resource_file "$DATADIR/treasures"	3352	load_resource_file "$DATADIR/treasures"
3301	or die "unable to load treasurelists\n";	3353	or die "unable to load treasurelists\n";
3302	}	3354	}
3303		3355
3304	sub reload_resources {	3356	sub reload_resources {
3305	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
3306		3358
		3359	reload_facedata;
		3360	reload_archetypes;
3307	reload_regions;	3361	reload_regions;
3308	reload_facedata;
3309	#reload_archetypes;#d#
3310	reload_archetypes;
3311	reload_treasures;	3362	reload_treasures;
3312		3363
3313	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
3314	}
3315
3316	sub init {
3317	reload_resources;
3318	}	3365	}
3319		3366
3320	sub reload_config {	3367	sub reload_config {
3321	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
3322	or return;	3369	or return;
…		…
3336	};	3383	};
3337	warn $@ if $@;	3384	warn $@ if $@;
3338	}	3385	}
3339	}	3386	}
3340		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
3341	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
3342	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
3343	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3345	(async {	3434	(async {
3346	$Coro::current->{desc} = "IDLE BUG HANDLER";	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
3347	EV::loop EV::LOOP_ONESHOT;	3436	EV::loop EV::LOOP_ONESHOT;
3348	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
3349	};	3438	};
3350		3439
		3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
3351	reload_config;	3444	reload_config;
3352	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
3353	load_extensions;	3458	load_extensions;
3354		3459
3355	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3461
3357	EV::loop;	3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
3358	}	3470	}
3359		3471
3360	#############################################################################	3472	#############################################################################
3361	# initialisation and cleanup	3473	# initialisation and cleanup
3362		3474
…		…
3368	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
3369	};	3481	};
3370	}	3482	}
3371	}	3483	}
3372		3484
3373	sub write_runtime {	3485	sub write_runtime_sync {
3374	my $runtime = "$LOCALDIR/runtime";
3375
3376	# first touch the runtime file to show we are still running:	3486	# first touch the runtime file to show we are still running:
3377	# the fsync below can take a very very long time.	3487	# the fsync below can take a very very long time.
3378		3488
3379	IO::AIO::aio_utime $runtime, undef, undef;	3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3380		3490
3381	my $guard = cf::lock_acquire "write_runtime";	3491	my $guard = cf::lock_acquire "write_runtime";
3382		3492
3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3384	or return;	3494	or return;
3385		3495
3386	my $value = $cf::RUNTIME + 90 + 10;	3496	my $value = $cf::RUNTIME + 90 + 10;
3387	# 10 is the runtime save interval, for a monotonic clock	3497	# 10 is the runtime save interval, for a monotonic clock
3388	# 60 allows for the watchdog to kill the server.	3498	# 60 allows for the watchdog to kill the server.
…		…
3398	aio_utime $fh, undef, undef;	3508	aio_utime $fh, undef, undef;
3399		3509
3400	close $fh	3510	close $fh
3401	or return;	3511	or return;
3402		3512
3403	aio_rename "$runtime~", $runtime	3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3404	and return;	3514	and return;
3405		3515
3406	warn "runtime file written.\n";	3516	warn "runtime file written.\n";
3407		3517
3408	1	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
3409	}	3569	}
3410		3570
3411	sub emergency_save() {	3571	sub emergency_save() {
3412	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
3413		3573
3414	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
3415		3575
3416	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
3417	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
3418	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
3419	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
3420	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
3421	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
3422	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
3423	$pl->valid or next;	3588	$pl->valid or next;
3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3425	$pl->save;	3590	$pl->save;
3426	}	3591	}
3427	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
3428		3593
3429	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
3430	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
3431	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
3432	$map->valid or next;	3597	$map->valid or next;
3433	$map->save;	3598	$map->save;
3434	}	3599	}
3435	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
3436		3601
3437	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
3438	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
3439	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
3440	};	3609	};
3441		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
3442	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
3443	}	3617	}
3444		3618
3445	sub post_cleanup {	3619	sub post_cleanup {
3446	my ($make_core) = @_;	3620	my ($make_core) = @_;
3447		3621
3448	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
3449	if $make_core;	3623	if $make_core;
		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
3450	}	3653	}
3451		3654
3452	sub do_reload_perl() {	3655	sub do_reload_perl() {
3453	# can/must only be called in main	3656	# can/must only be called in main
3454	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
3455	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
3456	return;	3659	return;
3457	}	3660	}
3458		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
3459	warn "reloading...";	3667	warn "reloading...";
3460		3668
3461	warn "entering sync_job";	3669	warn "entering sync_job";
3462		3670
3463	cf::sync_job {	3671	cf::sync_job {
3464	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
3465	cf::emergency_save;	3673	cf::emergency_save;
3466	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
3467		3675
3468	warn "syncing database to disk";	3676	warn "syncing database to disk";
3469	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
3470		3678
3471	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
3472		3680
3473	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
3474	for (;;) {
3475	BDB::flush;
3476	IO::AIO::flush;
3477	Coro::cede_notself;
3478	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
3479	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3480	}
3481
3482	++$RELOAD;
3483
3484	warn "cancelling all extension coros";
3485	$_->cancel for values %EXT_CORO;
3486	%EXT_CORO = ();
3487
3488	warn "removing commands";
3489	%COMMAND = ();
3490
3491	warn "removing ext/exti commands";
3492	%EXTCMD = ();
3493	%EXTICMD = ();
3494
3495	warn "unloading/nuking all extensions";
3496	for my $pkg (@EXTS) {
3497	warn "... unloading $pkg";
3498
3499	if (my $cb = $pkg->can ("unload")) {
3500	eval {
3501	$cb->($pkg);
3502	1
3503	} or warn "$pkg unloaded, but with errors: $@";
3504	}	3684	}
3505		3685
3506	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
3507	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
3508	}	3688	%EXT_CORO = ();
3509		3689
3510	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
3511	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
3512	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3513		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
3514	warn "... unloading $k";	3699	warn "... unloading $pkg";
3515	delete $INC{$k};
3516		3700
3517	$k =~ s/\.pm$//;
3518	$k =~ s/\//::/g;
3519
3520	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
3521	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
3522	}	3710	}
3523		3711
3524	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
3525	}	3727	}
3526		3728
3527	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
3528	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3530		3732
3531	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
3532	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
3533	delete $INC{"cf/pod.pm"};	3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3534		3736
3535	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
3536	# and global variables created in xs	3738	# and global variables created in xs
3537	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
3538		3740
3539	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
3540		3742
3541	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
3542	require cf;	3744	require cf;
3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3544		3746
3545	warn "loading config and database again";	3747	warn "loading config and database again";
3546	cf::reload_config;	3748	cf::reload_config;
3547		3749
3548	warn "loading extensions";	3750	warn "loading extensions";
3549	cf::load_extensions;	3751	cf::load_extensions;
3550		3752
		3753	if ($REATTACH_ON_RELOAD) {
3551	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
3552	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
3553	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
3554	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
3555	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
3556	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
3557		3761
		3762	warn "running post_init jobs";
		3763	(pop @POST_INIT)->(1) while @POST_INIT;
		3764
3558	warn "leaving sync_job";	3765	warn "leaving sync_job";
3559		3766
3560	1	3767	1
3561	} or do {	3768	} or do {
3562	warn $@;	3769	warn $@;
3563	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
3564	exit 1;
3565	};	3771	};
3566		3772
3567	warn "reloaded";	3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
3568	};	3779	};
3569		3780
3570	our $RELOAD_WATCHER; # used only during reload	3781	our $RELOAD_WATCHER; # used only during reload
3571		3782
3572	sub reload_perl() {	3783	sub reload_perl() {
3573	# doing reload synchronously and two reloads happen back-to-back,	3784	# doing reload synchronously and two reloads happen back-to-back,
3574	# coro crashes during coro_state_free->destroy here.	3785	# coro crashes during coro_state_free->destroy here.
3575		3786
		3787	$RELOAD_WATCHER ||= cf::async {
		3788	Coro::AIO::aio_wait cache_extensions;
		3789
3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3577	do_reload_perl;	3791	do_reload_perl;
3578	undef $RELOAD_WATCHER;	3792	undef $RELOAD_WATCHER;
		3793	};
3579	};	3794	};
3580	}	3795	}
3581		3796
3582	register_command "reload" => sub {	3797	register_command "reload" => sub {
3583	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
…		…
3597		3812
3598	our @WAIT_FOR_TICK;	3813	our @WAIT_FOR_TICK;
3599	our @WAIT_FOR_TICK_BEGIN;	3814	our @WAIT_FOR_TICK_BEGIN;
3600		3815
3601	sub wait_for_tick {	3816	sub wait_for_tick {
3602	return unless $TICK_WATCHER->is_active;
3603	return if $Coro::current == $Coro::main;	3817	return if tick_inhibit || $Coro::current == $Coro::main;
3604		3818
3605	my $signal = new Coro::Signal;	3819	my $signal = new Coro::Signal;
3606	push @WAIT_FOR_TICK, $signal;	3820	push @WAIT_FOR_TICK, $signal;
3607	$signal->wait;	3821	$signal->wait;
3608	}	3822	}
3609		3823
3610	sub wait_for_tick_begin {	3824	sub wait_for_tick_begin {
3611	return unless $TICK_WATCHER->is_active;
3612	return if $Coro::current == $Coro::main;	3825	return if tick_inhibit || $Coro::current == $Coro::main;
3613		3826
3614	my $signal = new Coro::Signal;	3827	my $signal = new Coro::Signal;
3615	push @WAIT_FOR_TICK_BEGIN, $signal;	3828	push @WAIT_FOR_TICK_BEGIN, $signal;
3616	$signal->wait;	3829	$signal->wait;
3617	}	3830	}
3618		3831
3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3832	sub tick {
3620	if ($Coro::current != $Coro::main) {	3833	if ($Coro::current != $Coro::main) {
3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3622	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
3623	return;	3836	return;
3624	}	3837	}
3625		3838
3626	$NOW = $tick_start = EV::now;
3627
3628	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
3629
3630	$RUNTIME += $TICK;
3631	$NEXT_TICK = $_[0]->at;
3632		3840
3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3635	Coro::async_pool {	3843	Coro::async_pool {
3636	$Coro::current->{desc} = "runtime saver";	3844	$Coro::current->{desc} = "runtime saver";
3637	write_runtime	3845	write_runtime_sync
3638	or warn "ERROR: unable to write runtime file: $!";	3846	or warn "ERROR: unable to write runtime file: $!";
3639	};	3847	};
3640	}	3848	}
3641		3849
3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3644	}	3852	}
3645	while (my $sig = shift @WAIT_FOR_TICK) {	3853	while (my $sig = shift @WAIT_FOR_TICK) {
3646	$sig->send;	3854	$sig->send;
3647	}	3855	}
3648		3856
3649	$LOAD = ($NOW - $tick_start) / $TICK;	3857	$LOAD = ($NOW - $TICK_START) / $TICK;
3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3651		3859
3652	_post_tick;	3860	if (0) {
3653	};	3861	if ($NEXT_TICK) {
3654	$TICK_WATCHER->priority (EV::MAXPRI);	3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
		3866	}
		3867	}
3655		3868
3656	{	3869	{
3657	# configure BDB	3870	# configure BDB
3658		3871
3659	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
3660	BDB::max_poll_reqs $TICK * 0.1;	3873	BDB::max_poll_reqs $TICK * 0.1;
3661	$Coro::BDB::WATCHER->priority (1);	3874	$AnyEvent::BDB::WATCHER->priority (1);
3662		3875
3663	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
3664	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3666	| BDB::LOG_AUTOREMOVE, 1);	3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3669		3883
3670	cf::sync_job {	3884	cf::sync_job {
3671	eval {	3885	eval {
…		…
3697	{	3911	{
3698	# configure IO::AIO	3912	# configure IO::AIO
3699		3913
3700	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
3701	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
3702	$Coro::AIO::WATCHER->priority (1);	3916	undef $AnyEvent::AIO::WATCHER;
3703	}	3917	}
3704		3918
3705	my $_log_backtrace;	3919	my $_log_backtrace;
3706		3920
3707	sub _log_backtrace {	3921	sub _log_backtrace {
…		…
3710	$msg =~ s/\n//;	3924	$msg =~ s/\n//;
3711		3925
3712	# limit the # of concurrent backtraces	3926	# limit the # of concurrent backtraces
3713	if ($_log_backtrace < 2) {	3927	if ($_log_backtrace < 2) {
3714	++$_log_backtrace;	3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
3715	async {	3930	async {
3716	$Coro::current->{desc} = "abt $msg";	3931	$Coro::current->{desc} = "abt $msg";
3717		3932
3718	my @bt = fork_call {	3933	my @bt = fork_call {
3719	@addr = map { sprintf "%x", $_ } @addr;	3934	@addr = map { sprintf "%x", $_ } @addr;
…		…
3730	}	3945	}
3731		3946
3732	@funcs	3947	@funcs
3733	};	3948	};
3734		3949
3735	LOG llevInfo, "[ABT] $msg\n";	3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3736	LOG llevInfo, "[ABT] $_\n" for @bt;	3952	LOG llevInfo, "[ABT] $_\n" for @bt;
3737	--$_log_backtrace;	3953	--$_log_backtrace;
3738	};	3954	};
3739	} else {	3955	} else {
3740	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $msg\n";
3741	LOG llevInfo, "[ABT] [suppressed]\n";	3957	LOG llevInfo, "[ABT] [suppressed]\n";
3742	}	3958	}
3743	}	3959	}
3744		3960
3745	# load additional modules	3961	# load additional modules
3746	use cf::pod;	3962	require "cf/$_.pm" for @EXTRA_MODULES;
3747		3963
3748	END { cf::emergency_save }	3964	END { cf::emergency_save }
3749		3965
3750	1	3966	1
3751		3967

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