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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.427 by root, Sat Apr 26 12:25:45 2008 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 2009 UTC

…		…
19	# The authors can be reached via e-mail to <support@deliantra.net>	19	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	20	#
21		21
22	package cf;	22	package cf;
23		23
		24	use 5.10.0;
24	use utf8;	25	use utf8;
25	use strict;	26	use strict qw(vars subs);
26		27
27	use Symbol;	28	use Symbol;
28	use List::Util;	29	use List::Util;
29	use Socket;	30	use Socket;
30	use EV 3.2;	31	use EV;
31	use Opcode;	32	use Opcode;
32	use Safe;	33	use Safe;
33	use Safe::Hole;	34	use Safe::Hole;
34	use Storable ();	35	use Storable ();
35		36
		37	use Guard ();
36	use Coro 4.50 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;	56	use Digest::MD5;
52	use Fcntl;	57	use Fcntl;
53	use YAML ();	58	use YAML ();
54	use IO::AIO 2.51 ();	59	use IO::AIO ();
55	use Time::HiRes;	60	use Time::HiRes;
56	use Compress::LZF;	61	use Compress::LZF;
57	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
58		65
59	# configure various modules to our taste	66	# configure various modules to our taste
60	#	67	#
61	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
62	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";
63	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
64		76
65	$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" };
66		79
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		81
69	our %COMMAND = ();	82	our %COMMAND = ();
70	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	86	our %EXTCMD = ();
74	our %EXTICMD = ();	87	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
77		90
78	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	92	our @EVENT;
80		93
81	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	95	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
92	our %RESOURCE;	108	our %RESOURCE;
93		109
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	112	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		114
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	115	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	116	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	118	our $DB_ENV;
105		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
		121
106	our %CFG;	122	our %CFG;
107		123
108	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	125	our $RUNTIME;
110	our $NOW;	126	our $NOW;
…		…
119	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)
120	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	137	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
123		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
124	binmode STDOUT;	145	binmode STDOUT;
125	binmode STDERR;	146	binmode STDERR;
126		147
127	# read virtual server time, if available	148	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
132	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
133		156
134	mkdir $_	157	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		159
137	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
242	for my $pkg (qw(	265	for my $pkg (qw(
243	cf::global cf::attachable	266	cf::global cf::attachable
244	cf::object cf::object::player	267	cf::object cf::object::player
245	cf::client cf::player	268	cf::client cf::player
246	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
247	cf::map cf::party cf::region	271	cf::party cf::region
248	)) {	272	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	274	}
252		275
253	$EV::DIED = sub {	276	$EV::DIED = sub {
254	warn "error in event callback: @_";	277	warn "error in event callback: @_";
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		320
298	sub encode_json($) { $json_coder->encode ($_[0]) }	321	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	322	sub decode_json($) { $json_coder->decode ($_[0]) }
300		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
		337
301	=item cf::lock_wait $string	338	=item cf::lock_wait $string
302		339
303	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
304		341
305	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
306		343
307	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
310	returned.	347	returned.
311		348
312	Locks are *not* recursive, locking from the same coro twice results in a	349	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	350	deadlocked coro.
…		…
319		356
320	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
321		358
322	=cut	359	=cut
323		360
324	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		362
327	sub lock_wait($) {	363	sub lock_wait($) {
328	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	365	}
341		366
342	sub lock_acquire($) {	367	sub lock_acquire($) {
343	my ($key) = @_;	368	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	369	}
357		370
358	sub lock_active($) {	371	sub lock_active($) {
359	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	373	}
363		374
364	sub freeze_mainloop {	375	sub freeze_mainloop {
365	tick_inhibit_inc;	376	tick_inhibit_inc;
366		377
367	Coro::guard \&tick_inhibit_dec;	378	&Guard::guard (\&tick_inhibit_dec);
368	}	379	}
369		380
370	=item cf::periodic $interval, $cb	381	=item cf::periodic $interval, $cb
371		382
372	Like EV::periodic, but randomly selects a starting point so that the actions	383	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
724		735
725	#############################################################################	736	#############################################################################
726		737
727	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
728		739
729	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
732		743
733	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
785		796
786	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
788		799
789	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
791		802
792	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
793		804
794	=over 4	805	=over 4
…		…
1085		1096
1086	sub reattach {	1097	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1099	my ($obj) = @_;
1089		1100
		1101	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1103
1092	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
1093		1105
1094	@$registry = ();	1106	@$registry = ();
1095		1107
…		…
1143	$decname, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
1144		1156
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	aio_chmod $fh, SAVE_MODE;	1158	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	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;
		1162	aio_fsync $fh;
		1163	}
1149	aio_close $fh;	1164	aio_close $fh;
1150		1165
1151	if (@$objs) {	1166	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1168	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	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;
		1173	aio_fsync $fh;
		1174	}
1157	aio_close $fh;	1175	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1177	}
1160	} else {	1178	} else {
1161	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1162	}	1180	}
1163		1181
1164	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1186	} else {
1166	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
1167	}	1188	}
1168	} else {	1189	} else {
1169	aio_unlink $filename;	1190	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1171	}	1192	}
…		…
1262	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
1263		1284
1264	$EXTICMD{$name} = $cb;	1285	$EXTICMD{$name} = $cb;
1265	}	1286	}
1266		1287
		1288	use File::Glob ();
		1289
1267	cf::player->attach (	1290	cf::player->attach (
1268	on_command => sub {	1291	on_command => sub {
1269	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
1270		1293
1271	my $cb = $COMMAND{$name}	1294	my $cb = $COMMAND{$name}
…		…
1303		1326
1304	cf::override;	1327	cf::override;
1305	},	1328	},
1306	);	1329	);
1307		1330
		1331	# "readahead" all extensions
		1332	sub cache_extensions {
		1333	my $grp = IO::AIO::aio_group;
		1334
		1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1336	for (grep /\.ext$/, @{$_[0]}) {
		1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1338	}
		1339	};
		1340
		1341	$grp
		1342	}
		1343
1308	sub load_extensions {	1344	sub load_extensions {
1309	cf::sync_job {	1345	cf::sync_job {
1310	my %todo;	1346	my %todo;
1311		1347
1312	for my $path (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
…		…
1331		1367
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1370
1335	$ext{source} =	1371	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337	. "#line 1 \"$path\"\n{\n"	1373	. "#line 1 \"$path\"\n{\n"
1338	. $source	1374	. $source
1339	. "\n};\n1";	1375	. "\n};\n1";
1340		1376
1341	$todo{$base} = \%ext;	1377	$todo{$base} = \%ext;
…		…
1381		1417
1382	=back	1418	=back
1383		1419
1384	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1385		1421
1386	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1387		1423
1388	=cut	1424	=cut
1389		1425
1390	package cf::player;	1426	package cf::player;
1391		1427
…		…
1434		1470
1435	sub exists($) {	1471	sub exists($) {
1436	my ($login) = @_;	1472	my ($login) = @_;
1437		1473
1438	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1440	}	1476	}
1441		1477
1442	sub find($) {	1478	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1480	my $login = $_[0];
…		…
1519	my ($pl) = @_;	1555	my ($pl) = @_;
1520		1556
1521	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1522		1558
1523	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1524	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1525		1561
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1528	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1529	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1530		1568
1531	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1532	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1613	}	1651	}
1614		1652
1615	\@paths	1653	\@paths
1616	}	1654	}
1617		1655
1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619		1657
1620	Expand crossfire pod fragments into protocol xml.	1658	Expand deliantra pod fragments into protocol xml.
1621
1622	=cut
1623
1624	use re 'eval';
1625
1626	my $group;
1627	my $interior; $interior = qr{
1628	# match a pod interior sequence sans C<< >>
1629	(?:
1630	\ (.*?)\ (?{ $group = $^N })
1631	| < (??{$interior}) >
1632	)
1633	}x;
1634
1635	sub expand_cfpod {
1636	my ($self, $pod) = @_;
1637
1638	my $xml;
1639
1640	while () {
1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642	$group = $1;
1643
1644	$group =~ s/&/&amp;/g;
1645	$group =~ s/</&lt;/g;
1646
1647	$xml .= $group;
1648	} elsif ($pod =~ m%\G
1649	([BCGHITU])
1650	<
1651	(?:
1652	([^<>]*) (?{ $group = $^N })
1653	| < $interior >
1654	)
1655	>
1656	%gcsx
1657	) {
1658	my ($code, $data) = ($1, $group);
1659
1660	if ($code eq "B") {
1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662	} elsif ($code eq "I") {
1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664	} elsif ($code eq "U") {
1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666	} elsif ($code eq "C") {
1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668	} elsif ($code eq "T") {
1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670	} elsif ($code eq "G") {
1671	my ($male, $female) = split /\|/, $data;
1672	$data = $self->gender ? $female : $male;
1673	$xml .= expand_cfpod ($self, $data);
1674	} elsif ($code eq "H") {
1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677	"")
1678	[$self->{hintmode}];
1679	} else {
1680	$xml .= "error processing '$code($data)' directive";
1681	}
1682	} else {
1683	if ($pod =~ /\G(.+)/) {
1684	warn "parse error while expanding $pod (at $1)";
1685	}
1686	last;
1687	}
1688	}
1689
1690	for ($xml) {
1691	# create single paragraphs (very hackish)
1692	s/(?<=\S)\n(?=\w)/ /g;
1693
1694	# compress some whitespace
1695	s/\s+\n/\n/g; # ws line-ends
1696	s/\n\n+/\n/g; # double lines
1697	s/^\n+//; # beginning lines
1698	s/\n+$//; # ending lines
1699	}
1700
1701	$xml
1702	}
1703
1704	no re 'eval';
1705
1706	sub hintmode {
1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1708	$_[0]{hintmode}
1709	}
1710		1659
1711	=item $player->ext_reply ($msgid, @msg)	1660	=item $player->ext_reply ($msgid, @msg)
1712		1661
1713	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1714		1663
…		…
1927		1876
1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1930	}	1879	}
1931		1880
1932	# and all this just because we cannot iterate over
1933	# all maps in C++...
1934	sub change_all_map_light {
1935	my ($change) = @_;
1936
1937	$_->change_map_light ($change)
1938	for grep $_->outdoor, values %cf::MAP;
1939	}
1940
1941	sub decay_objects {	1881	sub decay_objects {
1942	my ($self) = @_;	1882	my ($self) = @_;
1943		1883
1944	return if $self->{deny_reset};	1884	return if $self->{deny_reset};
1945		1885
…		…
2027	sub find {	1967	sub find {
2028	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
2029		1969
2030	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
2031		1971
2032	cf::lock_wait "map_data:$path";#d#remove	1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
2034		1974
2035	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
2036	my $guard1 = cf::lock_acquire "map_find:$path";
2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2038
2039	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
2040	or return;	1977	or return;
2041		1978
2042	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
2043		1980
…		…
2045	or return;	1982	or return;
2046		1983
2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
2049	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
2050	undef $guard1;	1988	undef $guard1;
2051	undef $guard2;
2052	$map->reset;	1989	$map->reset;
2053	return find $path;	1990	return find $path;
2054	}	1991	}
2055		1992
2056	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
…		…
2083	my $f = new_from_file cf::object::thawer $self->{load_path};	2020	my $f = new_from_file cf::object::thawer $self->{load_path};
2084	$f->skip_block;	2021	$f->skip_block;
2085	$self->_load_objects ($f)	2022	$self->_load_objects ($f)
2086	or return;	2023	or return;
2087		2024
2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
2089	if delete $self->{load_original};	2026	if delete $self->{load_original};
2090		2027
2091	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
2092	utf8::encode $uniq;	2029	utf8::encode $uniq;
2093	unless (aio_stat $uniq) {	2030	unless (aio_stat $uniq) {
…		…
2110		2047
2111	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
2112	$self->decay_objects;	2049	$self->decay_objects;
2113	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
2114	$self->update_buttons;	2051	$self->update_buttons;
2115	cf::cede_to_tick;
2116	$self->set_darkness_map;
2117	cf::cede_to_tick;	2052	cf::cede_to_tick;
2118	$self->activate;	2053	$self->activate;
2119	}	2054	}
2120		2055
2121	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
…		…
2459	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
2460	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
2461		2396
2462	=cut	2397	=cut
2463		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
		2412
2464	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
2465	# with dialog boxes.	2414	# with dialog boxes.
2466	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
2467	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
2468	my ($self, $npc, $msg, $flags) = @_;	2417	my ($self, $npc, $msg, $flags) = @_;
…		…
2479	my $dialog = $pl->{npc_dialog};	2428	my $dialog = $pl->{npc_dialog};
2480	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2481		2430
2482	} else {	2431	} else {
2483	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
2484	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2485	}	2434	}
2486	}	2435	}
2487	}	2436	}
2488		2437
2489	=item $object->send_msg ($channel, $msg, $color, [extra...])	2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2514		2463
2515	=item $player_object->enter_link	2464	=item $player_object->enter_link
2516		2465
2517	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
2518		2467
2519	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
2520	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
2521		2472
2522	Will never block.	2473	Will never block.
2523		2474
2524	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2525		2476
…		…
2583		2534
2584	$map->load;	2535	$map->load;
2585	$map->load_neighbours;	2536	$map->load_neighbours;
2586		2537
2587	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2588	$self->activate_recursive;	2540	$self->activate_recursive;
2589		2541
2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2591	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
2592	}	2544	}
…		…
2596	Moves the player to the given map-path and coordinates by first freezing	2548	Moves the player to the given map-path and coordinates by first freezing
2597	her, loading and preparing them map, calling the provided $check callback	2549	her, loading and preparing them map, calling the provided $check callback
2598	that has to return the map if sucecssful, and then unfreezes the player on	2550	that has to return the map if sucecssful, and then unfreezes the player on
2599	the new (success) or old (failed) map position. In either case, $done will	2551	the new (success) or old (failed) map position. In either case, $done will
2600	be called at the end of this process.	2552	be called at the end of this process.
		2553
		2554	Note that $check will be called with a potentially non-loaded map, so if
		2555	it needs a loaded map it has to call C<< ->load >>.
2601		2556
2602	=cut	2557	=cut
2603		2558
2604	our $GOTOGEN;	2559	our $GOTOGEN;
2605		2560
…		…
2684	}	2639	}
2685		2640
2686	sub prepare_random_map {	2641	sub prepare_random_map {
2687	my ($exit) = @_;	2642	my ($exit) = @_;
2688		2643
2689	my $guard = cf::lock_acquire "exit_prepare:$exit";
2690
2691	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
2692	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
2693	# that depends on the exit object	2646	# that depends on the exit object
2694		2647
2695	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
2697	if ($exit->map) {	2650	if ($exit->map) {
2698	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
2699	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
2700	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
2701	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
2702	}	2657	}
2703		2658
2704	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
2705		2660
2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2711	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
2712	undef $fh;	2667	undef $fh;
2713	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
2714		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
2715	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
2716	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
2717	}	2676	}
2718	}	2677	}
2719		2678
2720	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2721	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2722		2681
2723	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2724		2683
2725	if ($exit->slaying eq "/!") {
2726	#TODO: this should de-fi-ni-te-ly not be a sync-job
2727	# the problem is that $exit might not survive long enough
2728	# so it needs to be done right now, right here
2729	cf::sync_job { prepare_random_map $exit };
2730	}
2731
2732	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2733	my $hp = $exit->stats->hp;
2734	my $sp = $exit->stats->sp;
2735
2736	$self->enter_link;	2684	$self->enter_link;
2737		2685
2738	# if exit is damned, update players death & WoR home-position
2739	$self->contr->savebed ($slaying, $hp, $sp)
2740	if $exit->flag (FLAG_DAMNED);
2741
2742	(async {	2686	(async {
2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2687	$Coro::current->{desc} = "enter_exit";
2744		2688
2745	$self->deactivate_recursive; # just to be sure
2746	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
2747	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2748		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
2749	1;	2710	1
2750	}) {	2711	}) {
2751	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2752	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
2753	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2754	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2755		2716
2756	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2822	id => "infobox",	2783	id => "infobox",
2823	title => "Body Parts",	2784	title => "Body Parts",
2824	reply => undef,	2785	reply => undef,
2825	tooltip => "Shows which body parts you posess and are available",	2786	tooltip => "Shows which body parts you posess and are available",
2826	},	2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
2827	"c/uptime" => {	2824	"c/uptime" => {
2828	id => "infobox",	2825	id => "infobox",
2829	title => "Uptime",	2826	title => "Uptime",
2830	reply => undef,	2827	reply => undef,
2831	tooltip => "How long the server has been running since last restart",	2828	tooltip => "How long the server has been running since last restart",
…		…
2840	id => "party",	2837	id => "party",
2841	title => "Party",	2838	title => "Party",
2842	reply => "gsay ",	2839	reply => "gsay ",
2843	tooltip => "Messages and chat related to your party",	2840	tooltip => "Messages and chat related to your party",
2844	},	2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
2845	);	2850	);
2846		2851
2847	sub cf::client::send_msg {	2852	sub cf::client::send_msg {
2848	my ($self, $channel, $msg, $color, @extra) = @_;	2853	my ($self, $channel, $msg, $color, @extra) = @_;
2849		2854
2850	$msg = $self->pl->expand_cfpod ($msg);	2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
2851		2857
2852	$color &= cf::NDI_CLIENT_MASK; # just in case...	2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
2853		2859
2854	# check predefined channels, for the benefit of C	2860	# check predefined channels, for the benefit of C
2855	if ($CHANNEL{$channel}) {	2861	if ($CHANNEL{$channel}) {
2856	$channel = $CHANNEL{$channel};	2862	$channel = $CHANNEL{$channel};
2857		2863
2858	$self->ext_msg (channel_info => $channel)	2864	$self->ext_msg (channel_info => $channel);
2859	if $self->can_msg;
2860
2861	$channel = $channel->{id};	2865	$channel = $channel->{id};
2862		2866
2863	} elsif (ref $channel) {	2867	} elsif (ref $channel) {
2864	# send meta info to client, if not yet sent	2868	# send meta info to client, if not yet sent
2865	unless (exists $self->{channel}{$channel->{id}}) {	2869	unless (exists $self->{channel}{$channel->{id}}) {
2866	$self->{channel}{$channel->{id}} = $channel;	2870	$self->{channel}{$channel->{id}} = $channel;
2867	$self->ext_msg (channel_info => $channel)	2871	$self->ext_msg (channel_info => $channel);
2868	if $self->can_msg;
2869	}	2872	}
2870		2873
2871	$channel = $channel->{id};	2874	$channel = $channel->{id};
2872	}	2875	}
2873		2876
2874	return unless @extra || length $msg;	2877	return unless @extra || length $msg;
2875		2878
2876	if ($self->can_msg) {
2877	# default colour, mask it out	2879	# default colour, mask it out
2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2879	if $color & cf::NDI_DEF;	2881	if $color & cf::NDI_DEF;
2880		2882
2881	$self->send_packet ("msg " . $self->{json_coder}->encode (	2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
2882	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2883	} else {	2886	);
2884	if ($color >= 0) {
2885	# replace some tags by gcfclient-compatible ones
2886	for ($msg) {
2887	1 while
2888	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2889	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2890	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2891	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2892	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2893	}
2894		2887
2895	$color &= cf::NDI_COLOR_MASK;	2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
2896		2891
2897	utf8::encode $msg;	2892	# split very large packets
2898		2893	if (8192 < length $pkt and $self->{can_lzf}) {
2899	if (0 && $msg =~ /\[/) {	2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2900	# COMMAND/INFO	2895	$pkt = "frag";
2901	$self->send_packet ("drawextinfo $color 10 8 $msg")
2902	} else {
2903	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2904	$self->send_packet ("drawinfo $color $msg")
2905	}
2906	}
2907	}	2896	}
		2897
		2898	$self->send_packet ($pkt);
2908	}	2899	}
2909		2900
2910	=item $client->ext_msg ($type, @msg)	2901	=item $client->ext_msg ($type, @msg)
2911		2902
2912	Sends an ext event to the client.	2903	Sends an ext event to the client.
…		…
3087	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
3088		3079
3089	cf::object	3080	cf::object
3090	contr pay_amount pay_player map x y force_find force_add destroy	3081	contr pay_amount pay_player map x y force_find force_add destroy
3091	insert remove name archname title slaying race decrease split	3082	insert remove name archname title slaying race decrease split
		3083	value
3092		3084
3093	cf::object::player	3085	cf::object::player
3094	player	3086	player
3095		3087
3096	cf::player	3088	cf::player
…		…
3101		3093
3102	=cut	3094	=cut
3103		3095
3104	for (	3096	for (
3105	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3106	insert remove inv name archname title slaying race	3098	insert remove inv nrof name archname title slaying race
3107	decrease split destroy)],	3099	decrease split destroy change_exp value msg lore send_msg)],
3108	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
3109	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
3110	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
3111	) {	3103	) {
3112	no strict 'refs';	3104	no strict 'refs';
3113	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
3114	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3131	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
3132		3124
3133	my $qcode = $code;	3125	my $qcode = $code;
3134	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3135	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
3136		3130
3137	local $_;	3131	local $_;
3138	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
3139		3133
3140	my $eval =	3134	my $eval =
…		…
3370	reload_treasures;	3364	reload_treasures;
3371		3365
3372	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
3373	}	3367	}
3374		3368
3375	sub init {
3376	my $guard = freeze_mainloop;
3377
3378	reload_resources;
3379	}
3380
3381	sub reload_config {	3369	sub reload_config {
3382	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
3383	or return;	3371	or return;
3384		3372
3385	local $/;	3373	local $/;
…		…
3397	};	3385	};
3398	warn $@ if $@;	3386	warn $@ if $@;
3399	}	3387	}
3400	}	3388	}
3401		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
3402	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
3403	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
3404	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3406	(async {	3436	(async {
3407	$Coro::current->{desc} = "IDLE BUG HANDLER";	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
3408	EV::loop EV::LOOP_ONESHOT;	3438	EV::loop EV::LOOP_ONESHOT;
3409	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
3410	};	3440	};
3411		3441
3412	{	3442	evthread_start IO::AIO::poll_fileno;
3413	my $guard = freeze_mainloop;	3443
		3444	cf::sync_job {
		3445	reload_resources;
3414	reload_config;	3446	reload_config;
3415	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
3416	load_extensions;	3460	load_extensions;
3417		3461
3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3462	utime time, time, $RUNTIMEFILE;
3419	evthread_start IO::AIO::poll_fileno;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
3420	}	3468	};
3421		3469
3422	EV::loop;	3470	main_loop;
3423	}	3471	}
3424		3472
3425	#############################################################################	3473	#############################################################################
3426	# initialisation and cleanup	3474	# initialisation and cleanup
3427		3475
…		…
3434	};	3482	};
3435	}	3483	}
3436	}	3484	}
3437		3485
3438	sub write_runtime_sync {	3486	sub write_runtime_sync {
3439	my $runtime = "$LOCALDIR/runtime";
3440
3441	# first touch the runtime file to show we are still running:	3487	# first touch the runtime file to show we are still running:
3442	# the fsync below can take a very very long time.	3488	# the fsync below can take a very very long time.
3443		3489
3444	IO::AIO::aio_utime $runtime, undef, undef;	3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3445		3491
3446	my $guard = cf::lock_acquire "write_runtime";	3492	my $guard = cf::lock_acquire "write_runtime";
3447		3493
3448	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3449	or return;	3495	or return;
3450		3496
3451	my $value = $cf::RUNTIME + 90 + 10;	3497	my $value = $cf::RUNTIME + 90 + 10;
3452	# 10 is the runtime save interval, for a monotonic clock	3498	# 10 is the runtime save interval, for a monotonic clock
3453	# 60 allows for the watchdog to kill the server.	3499	# 60 allows for the watchdog to kill the server.
…		…
3463	aio_utime $fh, undef, undef;	3509	aio_utime $fh, undef, undef;
3464		3510
3465	close $fh	3511	close $fh
3466	or return;	3512	or return;
3467		3513
3468	aio_rename "$runtime~", $runtime	3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3469	and return;	3515	and return;
3470		3516
3471	warn "runtime file written.\n";	3517	warn "runtime file written.\n";
3472		3518
3473	1	3519	1
…		…
3485	my $uuid = "$LOCALDIR/uuid";	3531	my $uuid = "$LOCALDIR/uuid";
3486		3532
3487	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3488	or return;	3534	or return;
3489		3535
3490	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
3491	$uuid_skip = 0;	3544	$uuid_skip = 0;
3492		3545
3493	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3494	and return;	3547	and return;
3495		3548
…		…
3517	}	3570	}
3518		3571
3519	sub emergency_save() {	3572	sub emergency_save() {
3520	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
3521		3574
3522	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
3523		3576
3524	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
3525	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
3526	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
3527	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
3528	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
3529	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
3530	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
3531	$pl->valid or next;	3589	$pl->valid or next;
3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3533	$pl->save;	3591	$pl->save;
3534	}	3592	}
3535	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
3536		3594
3537	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
3538	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
3539	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
3540	$map->valid or next;	3598	$map->valid or next;
3541	$map->save;	3599	$map->save;
3542	}	3600	}
3543	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
3544		3602
3545	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
3546	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
3547	warn "end emergency database checkpoint\n";	3605	warn "emergency_perl_save: end database checkpoint\n";
3548		3606
3549	warn "begin write uuid\n";	3607	warn "emergency_perl_save: begin write uuid\n";
3550	write_uuid_sync 1;	3608	write_uuid_sync 1;
3551	warn "end write uuid\n";	3609	warn "emergency_perl_save: end write uuid\n";
3552	};	3610	};
3553		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
3554	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
3555	}	3618	}
3556		3619
3557	sub post_cleanup {	3620	sub post_cleanup {
3558	my ($make_core) = @_;	3621	my ($make_core) = @_;
3559		3622
3560	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
3561	if $make_core;	3624	if $make_core;
		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
3562	}	3654	}
3563		3655
3564	sub do_reload_perl() {	3656	sub do_reload_perl() {
3565	# can/must only be called in main	3657	# can/must only be called in main
3566	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
3567	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
3568	return;	3660	return;
3569	}	3661	}
3570		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
3571	warn "reloading...";	3668	warn "reloading...";
3572		3669
3573	warn "entering sync_job";	3670	warn "entering sync_job";
3574		3671
3575	cf::sync_job {	3672	cf::sync_job {
3576	cf::write_runtime_sync; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
3577	cf::emergency_save;	3674	cf::emergency_save;
3578	cf::write_runtime_sync; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
3579		3676
3580	warn "syncing database to disk";	3677	warn "syncing database to disk";
3581	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
3582		3679
3583	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
3584		3681
3585	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
3586	for (;;) {
3587	BDB::flush;
3588	IO::AIO::flush;
3589	Coro::cede_notself;
3590	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
3591	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3592	}
3593
3594	++$RELOAD;
3595
3596	warn "cancelling all extension coros";
3597	$_->cancel for values %EXT_CORO;
3598	%EXT_CORO = ();
3599
3600	warn "removing commands";
3601	%COMMAND = ();
3602
3603	warn "removing ext/exti commands";
3604	%EXTCMD = ();
3605	%EXTICMD = ();
3606
3607	warn "unloading/nuking all extensions";
3608	for my $pkg (@EXTS) {
3609	warn "... unloading $pkg";
3610
3611	if (my $cb = $pkg->can ("unload")) {
3612	eval {
3613	$cb->($pkg);
3614	1
3615	} or warn "$pkg unloaded, but with errors: $@";
3616	}	3685	}
3617		3686
3618	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
3619	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
3620	}	3689	%EXT_CORO = ();
3621		3690
3622	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
3623	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
3624	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3625		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
3626	warn "... unloading $k";	3700	warn "... unloading $pkg";
3627	delete $INC{$k};
3628		3701
3629	$k =~ s/\.pm$//;
3630	$k =~ s/\//::/g;
3631
3632	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
3633	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
3634	}	3711	}
3635		3712
3636	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
3637	}	3728	}
3638		3729
3639	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
3640	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
3641	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3642		3733
3643	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
3644	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
3645	delete $INC{"cf/pod.pm"};	3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3646		3737
3647	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
3648	# and global variables created in xs	3739	# and global variables created in xs
3649	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
3650		3741
3651	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
3652		3743
3653	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
3654	require cf;	3745	require cf;
3655	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3656		3747
3657	warn "loading config and database again";	3748	warn "loading config and database again";
3658	cf::reload_config;	3749	cf::reload_config;
3659		3750
3660	warn "loading extensions";	3751	warn "loading extensions";
3661	cf::load_extensions;	3752	cf::load_extensions;
3662		3753
		3754	if ($REATTACH_ON_RELOAD) {
3663	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
3664	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
3665	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
3666	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
3667	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
3668	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
3669		3762
		3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
		3765
3670	warn "leaving sync_job";	3766	warn "leaving sync_job";
3671		3767
3672	1	3768	1
3673	} or do {	3769	} or do {
3674	warn $@;	3770	warn $@;
3675	cf::cleanup "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
3676	};	3772	};
3677		3773
3678	warn "reloaded";	3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
3679	};	3780	};
3680		3781
3681	our $RELOAD_WATCHER; # used only during reload	3782	our $RELOAD_WATCHER; # used only during reload
3682		3783
3683	sub reload_perl() {	3784	sub reload_perl() {
3684	# doing reload synchronously and two reloads happen back-to-back,	3785	# doing reload synchronously and two reloads happen back-to-back,
3685	# coro crashes during coro_state_free->destroy here.	3786	# coro crashes during coro_state_free->destroy here.
3686		3787
		3788	$RELOAD_WATCHER ||= cf::async {
		3789	Coro::AIO::aio_wait cache_extensions;
		3790
3687	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3688	do_reload_perl;	3792	do_reload_perl;
3689	undef $RELOAD_WATCHER;	3793	undef $RELOAD_WATCHER;
		3794	};
3690	};	3795	};
3691	}	3796	}
3692		3797
3693	register_command "reload" => sub {	3798	register_command "reload" => sub {
3694	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
…		…
3765	{	3870	{
3766	# configure BDB	3871	# configure BDB
3767		3872
3768	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
3769	BDB::max_poll_reqs $TICK * 0.1;	3874	BDB::max_poll_reqs $TICK * 0.1;
3770	$Coro::BDB::WATCHER->priority (1);	3875	$AnyEvent::BDB::WATCHER->priority (1);
3771		3876
3772	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
3773	$DB_ENV = BDB::db_env_create;	3878	$DB_ENV = BDB::db_env_create;
3774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3775	| BDB::LOG_AUTOREMOVE, 1);	3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3776	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3777	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3778		3884
3779	cf::sync_job {	3885	cf::sync_job {
3780	eval {	3886	eval {
…		…
3806	{	3912	{
3807	# configure IO::AIO	3913	# configure IO::AIO
3808		3914
3809	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
3810	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
3811	$Coro::AIO::WATCHER->priority (1);	3917	undef $AnyEvent::AIO::WATCHER;
3812	}	3918	}
3813		3919
3814	my $_log_backtrace;	3920	my $_log_backtrace;
3815		3921
3816	sub _log_backtrace {	3922	sub _log_backtrace {
…		…
3819	$msg =~ s/\n//;	3925	$msg =~ s/\n//;
3820		3926
3821	# limit the # of concurrent backtraces	3927	# limit the # of concurrent backtraces
3822	if ($_log_backtrace < 2) {	3928	if ($_log_backtrace < 2) {
3823	++$_log_backtrace;	3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
3824	async {	3931	async {
3825	$Coro::current->{desc} = "abt $msg";	3932	$Coro::current->{desc} = "abt $msg";
3826		3933
3827	my @bt = fork_call {	3934	my @bt = fork_call {
3828	@addr = map { sprintf "%x", $_ } @addr;	3935	@addr = map { sprintf "%x", $_ } @addr;
…		…
3839	}	3946	}
3840		3947
3841	@funcs	3948	@funcs
3842	};	3949	};
3843		3950
3844	LOG llevInfo, "[ABT] $msg\n";	3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3845	LOG llevInfo, "[ABT] $_\n" for @bt;	3953	LOG llevInfo, "[ABT] $_\n" for @bt;
3846	--$_log_backtrace;	3954	--$_log_backtrace;
3847	};	3955	};
3848	} else {	3956	} else {
3849	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $msg\n";
3850	LOG llevInfo, "[ABT] [suppressed]\n";	3958	LOG llevInfo, "[ABT] [suppressed]\n";
3851	}	3959	}
3852	}	3960	}
3853		3961
3854	# load additional modules	3962	# load additional modules
3855	use cf::pod;	3963	require "cf/$_.pm" for @EXTRA_MODULES;
3856		3964
3857	END { cf::emergency_save }	3965	END { cf::emergency_save }
3858		3966
3859	1	3967	1
3860		3968

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