[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.428 by root, Thu May 1 06:33:19 2008 UTC vs.
Revision 1.471 by root, Mon Apr 27 01:38:48 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
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
66		76
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		78
69	our %COMMAND = ();	79	our %COMMAND = ();
70	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	83	our %EXTCMD = ();
74	our %EXTICMD = ();	84	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
77		87
78	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	89	our @EVENT;
80		90
81	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	92	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
92	our %RESOURCE;	105	our %RESOURCE;
93		106
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	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	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	109	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		111
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	115	our $DB_ENV;
105		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
106	our %CFG;	119	our %CFG;
107		120
108	our $UPTIME; $UPTIME \|\|= time;	121	our $UPTIME; $UPTIME \|\|= time;
109	our $RUNTIME;	122	our $RUNTIME;
110	our $NOW;	123	our $NOW;
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	134	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
123		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
124	binmode STDOUT;	141	binmode STDOUT;
125	binmode STDERR;	142	binmode STDERR;
126		143
127	# read virtual server time, if available	144	# read virtual server time, if available
128	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME \|\| !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
132	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
133		152
134	mkdir $_	153	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		155
137	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
242	for my $pkg (qw(	261	for my $pkg (qw(
243	cf::global cf::attachable	262	cf::global cf::attachable
244	cf::object cf::object::player	263	cf::object cf::object::player
245	cf::client cf::player	264	cf::client cf::player
246	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
247	cf::map cf::party cf::region	267	cf::party cf::region
248	)) {	268	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	270	}
252		271
253	$EV::DIED = sub {	272	$EV::DIED = sub {
254	warn "error in event callback: @_";	273	warn "error in event callback: @_";
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		316
298	sub encode_json($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
300		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
		333
301	=item cf::lock_wait $string	334	=item cf::lock_wait $string
302		335
303	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
304		337
305	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
306		339
307	Wait until the given lock is available and then acquires it and returns	340	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,	341	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	342	for example when the coroutine gets canceled), the lock is automatically
310	returned.	343	returned.
311		344
312	Locks are not recursive, locking from the same coro twice results in a	345	Locks are not recursive, locking from the same coro twice results in a
313	deadlocked coro.	346	deadlocked coro.
…		…
319		352
320	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
321		354
322	=cut	355	=cut
323		356
324	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		358
327	sub lock_wait($) {	359	sub lock_wait($) {
328	my ($key) = @_;	360	$LOCKS->wait ($_[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} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	361	}
341		362
342	sub lock_acquire($) {	363	sub lock_acquire($) {
343	my ($key) = @_;	364	$LOCKS->guard ($_[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	}	365	}
357		366
358	sub lock_active($) {	367	sub lock_active($) {
359	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	369	}
363		370
364	sub freeze_mainloop {	371	sub freeze_mainloop {
365	tick_inhibit_inc;	372	tick_inhibit_inc;
366		373
367	Coro::guard \&tick_inhibit_dec;	374	&Guard::guard (\&tick_inhibit_dec);
368	}	375	}
369		376
370	=item cf::periodic $interval, $cb	377	=item cf::periodic $interval, $cb
371		378
372	Like EV::periodic, but randomly selects a starting point so that the actions	379	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
724		731
725	#############################################################################	732	#############################################################################
726		733
727	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
728		735
729	Many objects in crossfire are so-called attachable objects. That means you can	736	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")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
732		739
733	In the following description, CLASS can be any of C<global>, C<object>	740	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	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
785		792
786	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
788		795
789	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
791		798
792	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
793		800
794	=over 4	801	=over 4
…		…
1085		1092
1086	sub reattach {	1093	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1095	my ($obj) = @_;
1089		1096
		1097	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1099
1092	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
1093		1101
1094	@$registry = ();	1102	@$registry = ();
1095		1103
…		…
1160	} else {	1168	} else {
1161	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
1162	}	1170	}
1163		1171
1164	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1176	} else {
1166	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
1167	}	1178	}
1168	} else {	1179	} else {
1169	aio_unlink $filename;	1180	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1171	}	1182	}
…		…
1262	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1263		1274
1264	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1265	}	1276	}
1266		1277
		1278	use File::Glob ();
		1279
1267	cf::player->attach (	1280	cf::player->attach (
1268	on_command => sub {	1281	on_command => sub {
1269	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1270		1283
1271	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1303		1316
1304	cf::override;	1317	cf::override;
1305	},	1318	},
1306	);	1319	);
1307		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
		1333
1308	sub load_extensions {	1334	sub load_extensions {
1309	cf::sync_job {	1335	cf::sync_job {
1310	my %todo;	1336	my %todo;
1311		1337
1312	for my $path (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
…		…
1331		1357
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.?perl.?#\s(.)$/m;	1359	if $source =~ /\A#!.?perl.?#\s(.)$/m;
1334		1360
1335	$ext{source} =	1361	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1338	. $source	1364	. $source
1339	. "\n};\n1";	1365	. "\n};\n1";
1340		1366
1341	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1381		1407
1382	=back	1408	=back
1383		1409
1384	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1385		1411
1386	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1387		1413
1388	=cut	1414	=cut
1389		1415
1390	package cf::player;	1416	package cf::player;
1391		1417
…		…
1434		1460
1435	sub exists($) {	1461	sub exists($) {
1436	my ($login) = @_;	1462	my ($login) = @_;
1437		1463
1438	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1440	}	1466	}
1441		1467
1442	sub find($) {	1468	sub find($) {
1443	return $cf::PLAYER{$_[0]} \|\| do {	1469	return $cf::PLAYER{$_[0]} \|\| do {
1444	my $login = $_[0];	1470	my $login = $_[0];
…		…
1519	my ($pl) = @_;	1545	my ($pl) = @_;
1520		1546
1521	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1522		1548
1523	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1524	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1525		1551
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1528	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1529	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1530		1558
1531	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1532	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1613	}	1641	}
1614		1642
1615	\@paths	1643	\@paths
1616	}	1644	}
1617		1645
1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619		1647
1620	Expand crossfire pod fragments into protocol xml.	1648	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/&/&/g;
1645	$group =~ s/</</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		1649
1711	=item $player->ext_reply ($msgid, @msg)	1650	=item $player->ext_reply ($msgid, @msg)
1712		1651
1713	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1714		1653
…		…
1927		1866
1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1930	}	1869	}
1931		1870
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 $_->outdoor, values %cf::MAP;
1939	}
1940
1941	sub decay_objects {	1871	sub decay_objects {
1942	my ($self) = @_;	1872	my ($self) = @_;
1943		1873
1944	return if $self->{deny_reset};	1874	return if $self->{deny_reset};
1945		1875
…		…
2027	sub find {	1957	sub find {
2028	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
2029		1959
2030	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
2031		1961
2032	cf::lock_wait "map_data:$path";#d#remove	1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
2034		1964
2035	$cf::MAP{$path} \|\| do {	1965	$cf::MAP{$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	1966	my $map = new_from_path cf::map $path
2040	or return;	1967	or return;
2041		1968
2042	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
2043		1970
…		…
2045	or return;	1972	or return;
2046		1973
2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
2049	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
2050	undef $guard1;	1978	undef $guard1;
2051	undef $guard2;
2052	$map->reset;	1979	$map->reset;
2053	return find $path;	1980	return find $path;
2054	}	1981	}
2055		1982
2056	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
…		…
2083	my $f = new_from_file cf::object::thawer $self->{load_path};	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
2084	$f->skip_block;	2011	$f->skip_block;
2085	$self->_load_objects ($f)	2012	$self->_load_objects ($f)
2086	or return;	2013	or return;
2087		2014
2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
2089	if delete $self->{load_original};	2016	if delete $self->{load_original};
2090		2017
2091	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
2092	utf8::encode $uniq;	2019	utf8::encode $uniq;
2093	unless (aio_stat $uniq) {	2020	unless (aio_stat $uniq) {
…		…
2110		2037
2111	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
2112	$self->decay_objects;	2039	$self->decay_objects;
2113	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
2114	$self->update_buttons;	2041	$self->update_buttons;
2115	cf::cede_to_tick;
2116	$self->set_darkness_map;
2117	cf::cede_to_tick;	2042	cf::cede_to_tick;
2118	$self->activate;	2043	$self->activate;
2119	}	2044	}
2120		2045
2121	$self->{last_save} = $cf::RUNTIME;	2046	$self->{last_save} = $cf::RUNTIME;
…		…
2463		2388
2464	our $SAY_CHANNEL = {	2389	our $SAY_CHANNEL = {
2465	id => "say",	2390	id => "say",
2466	title => "Map",	2391	title => "Map",
2467	reply => "say ",	2392	reply => "say ",
2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2469	};	2394	};
2470		2395
2471	our $CHAT_CHANNEL = {	2396	our $CHAT_CHANNEL = {
2472	id => "chat",	2397	id => "chat",
2473	title => "Chat",	2398	title => "Chat",
…		…
2528		2453
2529	=item $player_object->enter_link	2454	=item $player_object->enter_link
2530		2455
2531	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
2532		2457
2533	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
2534	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
2535		2462
2536	Will never block.	2463	Will never block.
2537		2464
2538	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2539		2466
…		…
2597		2524
2598	$map->load;	2525	$map->load;
2599	$map->load_neighbours;	2526	$map->load_neighbours;
2600		2527
2601	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2602	$self->activate_recursive;	2530	$self->activate_recursive;
2603		2531
2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2606	}	2534	}
…		…
2610	Moves the player to the given map-path and coordinates by first freezing	2538	Moves the player to the given map-path and coordinates by first freezing
2611	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2612	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
2613	the new (success) or old (failed) map position. In either case, $done will	2541	the new (success) or old (failed) map position. In either case, $done will
2614	be called at the end of this process.	2542	be called at the end of this process.
		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
2615		2546
2616	=cut	2547	=cut
2617		2548
2618	our $GOTOGEN;	2549	our $GOTOGEN;
2619		2550
…		…
2698	}	2629	}
2699		2630
2700	sub prepare_random_map {	2631	sub prepare_random_map {
2701	my ($exit) = @_;	2632	my ($exit) = @_;
2702		2633
2703	my $guard = cf::lock_acquire "exit_prepare:$exit";
2704
2705	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2706	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2707	# that depends on the exit object	2636	# that depends on the exit object
2708		2637
2709	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2711	if ($exit->map) {	2640	if ($exit->map) {
2712	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2713	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2714	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2715	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2716	}	2647	}
2717		2648
2718	$rmp->{random_seed} \|\|= $exit->random_seed;	2649	$rmp->{random_seed} \|\|= $exit->random_seed;
2719		2650
2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2724	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
2725	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2726	undef $fh;	2657	undef $fh;
2727	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2728		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2729	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2730	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2731	}	2666	}
2732	}	2667	}
2733		2668
2734	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2735	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2736		2671
2737	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2738		2673
2739	if ($exit->slaying eq "/!") {
2740	#TODO: this should de-fi-ni-te-ly not be a sync-job
2741	# the problem is that $exit might not survive long enough
2742	# so it needs to be done right now, right here
2743	cf::sync_job { prepare_random_map $exit };
2744	}
2745
2746	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2747	my $hp = $exit->stats->hp;
2748	my $sp = $exit->stats->sp;
2749
2750	$self->enter_link;	2674	$self->enter_link;
2751		2675
2752	# if exit is damned, update players death & WoR home-position
2753	$self->contr->savebed ($slaying, $hp, $sp)
2754	if $exit->flag (FLAG_DAMNED);
2755
2756	(async {	2676	(async {
2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2677	$Coro::current->{desc} = "enter_exit";
2758		2678
2759	$self->deactivate_recursive; # just to be sure
2760	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2761	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2762		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2763	1;	2700	1
2764	}) {	2701	}) {
2765	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2766	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2767	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2768	cf::NDI_UNIQUE \| cf::NDI_RED);	2705	cf::NDI_UNIQUE \| cf::NDI_RED);
2769		2706
2770	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2836	id => "infobox",	2773	id => "infobox",
2837	title => "Body Parts",	2774	title => "Body Parts",
2838	reply => undef,	2775	reply => undef,
2839	tooltip => "Shows which body parts you posess and are available",	2776	tooltip => "Shows which body parts you posess and are available",
2840	},	2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/perceiveself" => {
		2809	id => "infobox",
		2810	title => "Perceive Self",
		2811	reply => undef,
		2812	tooltip => "You gained detailed knowledge about yourself",
		2813	},
2841	"c/uptime" => {	2814	"c/uptime" => {
2842	id => "infobox",	2815	id => "infobox",
2843	title => "Uptime",	2816	title => "Uptime",
2844	reply => undef,	2817	reply => undef,
2845	tooltip => "How long the server has been running since last restart",	2818	tooltip => "How long the server has been running since last restart",
…		…
2854	id => "party",	2827	id => "party",
2855	title => "Party",	2828	title => "Party",
2856	reply => "gsay ",	2829	reply => "gsay ",
2857	tooltip => "Messages and chat related to your party",	2830	tooltip => "Messages and chat related to your party",
2858	},	2831	},
		2832	"c/death" => {
		2833	id => "death",
		2834	title => "Death",
		2835	reply => undef,
		2836	tooltip => "Reason for and more info about your most recent death",
		2837	},
		2838	"c/say" => $SAY_CHANNEL,
		2839	"c/chat" => $CHAT_CHANNEL,
2859	);	2840	);
2860		2841
2861	sub cf::client::send_msg {	2842	sub cf::client::send_msg {
2862	my ($self, $channel, $msg, $color, @extra) = @_;	2843	my ($self, $channel, $msg, $color, @extra) = @_;
2863		2844
2864	$msg = $self->pl->expand_cfpod ($msg);	2845	$msg = $self->pl->expand_cfpod ($msg)
		2846	unless $color & cf::NDI_VERBATIM;
2865		2847
2866	$color &= cf::NDI_CLIENT_MASK; # just in case...	2848	$color &= cf::NDI_CLIENT_MASK; # just in case...
2867		2849
2868	# check predefined channels, for the benefit of C	2850	# check predefined channels, for the benefit of C
2869	if ($CHANNEL{$channel}) {	2851	if ($CHANNEL{$channel}) {
2870	$channel = $CHANNEL{$channel};	2852	$channel = $CHANNEL{$channel};
2871		2853
2872	$self->ext_msg (channel_info => $channel)	2854	$self->ext_msg (channel_info => $channel);
2873	if $self->can_msg;
2874
2875	$channel = $channel->{id};	2855	$channel = $channel->{id};
2876		2856
2877	} elsif (ref $channel) {	2857	} elsif (ref $channel) {
2878	# send meta info to client, if not yet sent	2858	# send meta info to client, if not yet sent
2879	unless (exists $self->{channel}{$channel->{id}}) {	2859	unless (exists $self->{channel}{$channel->{id}}) {
2880	$self->{channel}{$channel->{id}} = $channel;	2860	$self->{channel}{$channel->{id}} = $channel;
2881	$self->ext_msg (channel_info => $channel)	2861	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883	}	2862	}
2884		2863
2885	$channel = $channel->{id};	2864	$channel = $channel->{id};
2886	}	2865	}
2887		2866
2888	return unless @extra \|\| length $msg;	2867	return unless @extra \|\| length $msg;
2889		2868
2890	if ($self->can_msg) {
2891	# default colour, mask it out	2869	# default colour, mask it out
2892	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)	2870	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
2893	if $color & cf::NDI_DEF;	2871	if $color & cf::NDI_DEF;
2894		2872
2895	$self->send_packet ("msg " . $self->{json_coder}->encode (	2873	my $pkt = "msg "
		2874	. $self->{json_coder}->encode (
2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2875	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2897	} else {	2876	);
2898	if ($color >= 0) {
2899	# replace some tags by gcfclient-compatible ones
2900	for ($msg) {
2901	1 while
2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2903	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2904	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2905	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2906	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2907	}
2908		2877
2909	$color &= cf::NDI_COLOR_MASK;	2878	# try lzf for large packets
		2879	$pkt = "lzf " . Compress::LZF::compress $pkt
		2880	if 1024 <= length $pkt and $self->{can_lzf};
2910		2881
2911	utf8::encode $msg;	2882	# split very large packets
2912		2883	if (8192 < length $pkt and $self->{can_lzf}) {
2913	if (0 && $msg =~ /\[/) {	2884	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2914	# COMMAND/INFO	2885	$pkt = "frag";
2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
2916	} else {
2917	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
2918	$self->send_packet ("drawinfo $color $msg")
2919	}
2920	}
2921	}	2886	}
		2887
		2888	$self->send_packet ($pkt);
2922	}	2889	}
2923		2890
2924	=item $client->ext_msg ($type, @msg)	2891	=item $client->ext_msg ($type, @msg)
2925		2892
2926	Sends an ext event to the client.	2893	Sends an ext event to the client.
…		…
3101	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
3102		3069
3103	cf::object	3070	cf::object
3104	contr pay_amount pay_player map x y force_find force_add destroy	3071	contr pay_amount pay_player map x y force_find force_add destroy
3105	insert remove name archname title slaying race decrease split	3072	insert remove name archname title slaying race decrease split
		3073	value
3106		3074
3107	cf::object::player	3075	cf::object::player
3108	player	3076	player
3109		3077
3110	cf::player	3078	cf::player
…		…
3115		3083
3116	=cut	3084	=cut
3117		3085
3118	for (	3086	for (
3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3087	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3120	insert remove inv name archname title slaying race	3088	insert remove inv nrof name archname title slaying race
3121	decrease split destroy)],	3089	decrease split destroy change_exp value msg lore send_msg)],
3122	["cf::object::player" => qw(player)],	3090	["cf::object::player" => qw(player)],
3123	["cf::player" => qw(peaceful)],	3091	["cf::player" => qw(peaceful send_msg)],
3124	["cf::map" => qw(trigger)],	3092	["cf::map" => qw(trigger)],
3125	) {	3093	) {
3126	no strict 'refs';	3094	no strict 'refs';
3127	my ($pkg, @funs) = @$_;	3095	my ($pkg, @funs) = @$_;
3128	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3096	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3145	my ($code, %vars) = @_;	3113	my ($code, %vars) = @_;
3146		3114
3147	my $qcode = $code;	3115	my $qcode = $code;
3148	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3116	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3149	$qcode =~ s/\n/\\n/g;	3117	$qcode =~ s/\n/\\n/g;
		3118
		3119	%vars = (_dummy => 0) unless %vars;
3150		3120
3151	local $_;	3121	local $_;
3152	local @safe::cf::_safe_eval_args = values %vars;	3122	local @safe::cf::_safe_eval_args = values %vars;
3153		3123
3154	my $eval =	3124	my $eval =
…		…
3384	reload_treasures;	3354	reload_treasures;
3385		3355
3386	warn "finished reloading resource files\n";	3356	warn "finished reloading resource files\n";
3387	}	3357	}
3388		3358
3389	sub init {
3390	my $guard = freeze_mainloop;
3391
3392	reload_resources;
3393	}
3394
3395	sub reload_config {	3359	sub reload_config {
3396	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
3397	or return;	3361	or return;
3398		3362
3399	local $/;	3363	local $/;
…		…
3411	};	3375	};
3412	warn $@ if $@;	3376	warn $@ if $@;
3413	}	3377	}
3414	}	3378	}
3415		3379
		3380	sub pidfile() {
		3381	sysopen my $fh, $PIDFILE, O_RDWR \| O_CREAT
		3382	or die "$PIDFILE: $!";
		3383	flock $fh, &Fcntl::LOCK_EX
		3384	or die "$PIDFILE: flock: $!";
		3385	$fh
		3386	}
		3387
		3388	# make sure only one server instance is running at any one time
		3389	sub atomic {
		3390	my $fh = pidfile;
		3391
		3392	my $pid = <$fh>;
		3393	kill 9, $pid if $pid > 0;
		3394
		3395	seek $fh, 0, 0;
		3396	print $fh $$;
		3397	}
		3398
3416	sub main {	3399	sub main {
		3400	cf::init_globals; # initialise logging
		3401
		3402	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3403	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3404	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3405	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3406
		3407	cf::init_experience;
		3408	cf::init_anim;
		3409	cf::init_attackmess;
		3410	cf::init_dynamic;
		3411
		3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413
3417	# we must not ever block the main coroutine	3414	# we must not ever block the main coroutine
3418	local $Coro::idle = sub {	3415	local $Coro::idle = sub {
3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3416	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3420	(async {	3417	(async {
3421	$Coro::current->{desc} = "IDLE BUG HANDLER";	3418	$Coro::current->{desc} = "IDLE BUG HANDLER";
3422	EV::loop EV::LOOP_ONESHOT;	3419	EV::loop EV::LOOP_ONESHOT;
3423	})->prio (Coro::PRIO_MAX);	3420	})->prio (Coro::PRIO_MAX);
3424	};	3421	};
3425		3422
3426	{	3423	evthread_start IO::AIO::poll_fileno;
3427	my $guard = freeze_mainloop;	3424
		3425	cf::sync_job {
		3426	reload_resources;
3428	reload_config;	3427	reload_config;
3429	db_init;	3428	db_init;
		3429
		3430	cf::load_settings;
		3431	cf::load_materials;
		3432	cf::init_uuid;
		3433	cf::init_signals;
		3434	cf::init_commands;
		3435	cf::init_skills;
		3436
		3437	cf::init_beforeplay;
		3438
		3439	atomic;
		3440
3430	load_extensions;	3441	load_extensions;
3431		3442
3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3443	utime time, time, $RUNTIMEFILE;
3433	evthread_start IO::AIO::poll_fileno;	3444
		3445	# no (long-running) fork's whatsoever before this point(!)
		3446	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3447
		3448	(pop @POST_INIT)->(0) while @POST_INIT;
3434	}	3449	};
3435		3450
3436	EV::loop;	3451	EV::loop;
3437	}	3452	}
3438		3453
3439	#############################################################################	3454	#############################################################################
…		…
3448	};	3463	};
3449	}	3464	}
3450	}	3465	}
3451		3466
3452	sub write_runtime_sync {	3467	sub write_runtime_sync {
3453	my $runtime = "$LOCALDIR/runtime";
3454
3455	# first touch the runtime file to show we are still running:	3468	# first touch the runtime file to show we are still running:
3456	# the fsync below can take a very very long time.	3469	# the fsync below can take a very very long time.
3457		3470
3458	IO::AIO::aio_utime $runtime, undef, undef;	3471	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3459		3472
3460	my $guard = cf::lock_acquire "write_runtime";	3473	my $guard = cf::lock_acquire "write_runtime";
3461		3474
3462	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	3475	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY \| O_CREAT, 0644
3463	or return;	3476	or return;
3464		3477
3465	my $value = $cf::RUNTIME + 90 + 10;	3478	my $value = $cf::RUNTIME + 90 + 10;
3466	# 10 is the runtime save interval, for a monotonic clock	3479	# 10 is the runtime save interval, for a monotonic clock
3467	# 60 allows for the watchdog to kill the server.	3480	# 60 allows for the watchdog to kill the server.
…		…
3477	aio_utime $fh, undef, undef;	3490	aio_utime $fh, undef, undef;
3478		3491
3479	close $fh	3492	close $fh
3480	or return;	3493	or return;
3481		3494
3482	aio_rename "$runtime~", $runtime	3495	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3483	and return;	3496	and return;
3484		3497
3485	warn "runtime file written.\n";	3498	warn "runtime file written.\n";
3486		3499
3487	1	3500	1
…		…
3499	my $uuid = "$LOCALDIR/uuid";	3512	my $uuid = "$LOCALDIR/uuid";
3500		3513
3501	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644	3514	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
3502	or return;	3515	or return;
3503		3516
3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3517	my $value = uuid_seq uuid_cur;
		3518
		3519	unless ($value) {
		3520	warn "cowardly refusing to write zero uuid value!\n";
		3521	return;
		3522	}
		3523
		3524	my $value = uuid_str $value + $uuid_skip;
3505	$uuid_skip = 0;	3525	$uuid_skip = 0;
3506		3526
3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3527	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3508	and return;	3528	and return;
3509		3529
…		…
3531	}	3551	}
3532		3552
3533	sub emergency_save() {	3553	sub emergency_save() {
3534	my $freeze_guard = cf::freeze_mainloop;	3554	my $freeze_guard = cf::freeze_mainloop;
3535		3555
3536	warn "enter emergency perl save\n";	3556	warn "emergency_perl_save: enter\n";
3537		3557
3538	cf::sync_job {	3558	cf::sync_job {
		3559	# this is a trade-off: we want to be very quick here, so
		3560	# save all maps without fsync, and later call a global sync
		3561	# (which in turn might be very very slow)
		3562	local $USE_FSYNC = 0;
		3563
3539	# use a peculiar iteration method to avoid tripping on perl	3564	# use a peculiar iteration method to avoid tripping on perl
3540	# refcount bugs in for. also avoids problems with players	3565	# refcount bugs in for. also avoids problems with players
3541	# and maps saved/destroyed asynchronously.	3566	# and maps saved/destroyed asynchronously.
3542	warn "begin emergency player save\n";	3567	warn "emergency_perl_save: begin player save\n";
3543	for my $login (keys %cf::PLAYER) {	3568	for my $login (keys %cf::PLAYER) {
3544	my $pl = $cf::PLAYER{$login} or next;	3569	my $pl = $cf::PLAYER{$login} or next;
3545	$pl->valid or next;	3570	$pl->valid or next;
3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3571	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3547	$pl->save;	3572	$pl->save;
3548	}	3573	}
3549	warn "end emergency player save\n";	3574	warn "emergency_perl_save: end player save\n";
3550		3575
3551	warn "begin emergency map save\n";	3576	warn "emergency_perl_save: begin map save\n";
3552	for my $path (keys %cf::MAP) {	3577	for my $path (keys %cf::MAP) {
3553	my $map = $cf::MAP{$path} or next;	3578	my $map = $cf::MAP{$path} or next;
3554	$map->valid or next;	3579	$map->valid or next;
3555	$map->save;	3580	$map->save;
3556	}	3581	}
3557	warn "end emergency map save\n";	3582	warn "emergency_perl_save: end map save\n";
3558		3583
3559	warn "begin emergency database checkpoint\n";	3584	warn "emergency_perl_save: begin database checkpoint\n";
3560	BDB::db_env_txn_checkpoint $DB_ENV;	3585	BDB::db_env_txn_checkpoint $DB_ENV;
3561	warn "end emergency database checkpoint\n";	3586	warn "emergency_perl_save: end database checkpoint\n";
3562		3587
3563	warn "begin write uuid\n";	3588	warn "emergency_perl_save: begin write uuid\n";
3564	write_uuid_sync 1;	3589	write_uuid_sync 1;
3565	warn "end write uuid\n";	3590	warn "emergency_perl_save: end write uuid\n";
3566	};	3591	};
3567		3592
		3593	warn "emergency_perl_save: starting sync()\n";
		3594	IO::AIO::aio_sync sub {
		3595	warn "emergency_perl_save: finished sync()\n";
		3596	};
		3597
3568	warn "leave emergency perl save\n";	3598	warn "emergency_perl_save: leave\n";
3569	}	3599	}
3570		3600
3571	sub post_cleanup {	3601	sub post_cleanup {
3572	my ($make_core) = @_;	3602	my ($make_core) = @_;
3573		3603
3574	warn Carp::longmess "post_cleanup backtrace"	3604	warn Carp::longmess "post_cleanup backtrace"
3575	if $make_core;	3605	if $make_core;
		3606
		3607	my $fh = pidfile;
		3608	unlink $PIDFILE if <$fh> == $$;
		3609	}
		3610
		3611	# a safer delete_package, copied from Symbol
		3612	sub clear_package($) {
		3613	my $pkg = shift;
		3614
		3615	# expand to full symbol table name if needed
		3616	unless ($pkg =~ /^main::.*::$/) {
		3617	$pkg = "main$pkg" if $pkg =~ /^::/;
		3618	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3619	$pkg .= '::' unless $pkg =~ /::$/;
		3620	}
		3621
		3622	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3623	my $stem_symtab = *{$stem}{HASH};
		3624
		3625	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3626	or return;
		3627
		3628	# clear all symbols
		3629	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3630	for my $name (keys %$leaf_symtab) {
		3631	_gv_clear *{"$pkg$name"};
		3632	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3633	}
		3634	warn "cleared package $pkg\n";#d#
3576	}	3635	}
3577		3636
3578	sub do_reload_perl() {	3637	sub do_reload_perl() {
3579	# can/must only be called in main	3638	# can/must only be called in main
3580	if ($Coro::current != $Coro::main) {	3639	if ($Coro::current != $Coro::main) {
3581	warn "can only reload from main coroutine";	3640	warn "can only reload from main coroutine";
3582	return;	3641	return;
3583	}	3642	}
3584		3643
		3644	return if $RELOAD++;
		3645
		3646	my $t1 = EV::time;
		3647
		3648	while ($RELOAD) {
3585	warn "reloading...";	3649	warn "reloading...";
3586		3650
3587	warn "entering sync_job";	3651	warn "entering sync_job";
3588		3652
3589	cf::sync_job {	3653	cf::sync_job {
3590	cf::write_runtime_sync; # external watchdog should not bark	3654	cf::write_runtime_sync; # external watchdog should not bark
3591	cf::emergency_save;	3655	cf::emergency_save;
3592	cf::write_runtime_sync; # external watchdog should not bark	3656	cf::write_runtime_sync; # external watchdog should not bark
3593		3657
3594	warn "syncing database to disk";	3658	warn "syncing database to disk";
3595	BDB::db_env_txn_checkpoint $DB_ENV;	3659	BDB::db_env_txn_checkpoint $DB_ENV;
3596		3660
3597	# if anything goes wrong in here, we should simply crash as we already saved	3661	# if anything goes wrong in here, we should simply crash as we already saved
3598		3662
3599	warn "flushing outstanding aio requests";	3663	warn "flushing outstanding aio requests";
3600	for (;;) {
3601	BDB::flush;
3602	IO::AIO::flush;
3603	Coro::cede_notself;
3604	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3664	while (IO::AIO::nreqs \|\| BDB::nreqs) {
3605	warn "iterate...";	3665	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3606	}
3607
3608	++$RELOAD;
3609
3610	warn "cancelling all extension coros";
3611	$_->cancel for values %EXT_CORO;
3612	%EXT_CORO = ();
3613
3614	warn "removing commands";
3615	%COMMAND = ();
3616
3617	warn "removing ext/exti commands";
3618	%EXTCMD = ();
3619	%EXTICMD = ();
3620
3621	warn "unloading/nuking all extensions";
3622	for my $pkg (@EXTS) {
3623	warn "... unloading $pkg";
3624
3625	if (my $cb = $pkg->can ("unload")) {
3626	eval {
3627	$cb->($pkg);
3628	1
3629	} or warn "$pkg unloaded, but with errors: $@";
3630	}	3666	}
3631		3667
3632	warn "... nuking $pkg";	3668	warn "cancelling all extension coros";
3633	Symbol::delete_package $pkg;	3669	$_->cancel for values %EXT_CORO;
3634	}	3670	%EXT_CORO = ();
3635		3671
3636	warn "unloading all perl modules loaded from $LIBDIR";	3672	warn "removing commands";
3637	while (my ($k, $v) = each %INC) {	3673	%COMMAND = ();
3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3639		3674
		3675	warn "removing ext/exti commands";
		3676	%EXTCMD = ();
		3677	%EXTICMD = ();
		3678
		3679	warn "unloading/nuking all extensions";
		3680	for my $pkg (@EXTS) {
3640	warn "... unloading $k";	3681	warn "... unloading $pkg";
3641	delete $INC{$k};
3642		3682
3643	$k =~ s/\.pm$//;
3644	$k =~ s/\//::/g;
3645
3646	if (my $cb = $k->can ("unload_module")) {	3683	if (my $cb = $pkg->can ("unload")) {
		3684	eval {
3647	$cb->();	3685	$cb->($pkg);
		3686	1
		3687	} or warn "$pkg unloaded, but with errors: $@";
		3688	}
		3689
		3690	warn "... clearing $pkg";
		3691	clear_package $pkg;
3648	}	3692	}
3649		3693
3650	Symbol::delete_package $k;	3694	warn "unloading all perl modules loaded from $LIBDIR";
		3695	while (my ($k, $v) = each %INC) {
		3696	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3697
		3698	warn "... unloading $k";
		3699	delete $INC{$k};
		3700
		3701	$k =~ s/\.pm$//;
		3702	$k =~ s/\//::/g;
		3703
		3704	if (my $cb = $k->can ("unload_module")) {
		3705	$cb->();
		3706	}
		3707
		3708	clear_package $k;
3651	}	3709	}
3652		3710
3653	warn "getting rid of safe::, as good as possible";	3711	warn "getting rid of safe::, as good as possible";
3654	Symbol::delete_package "safe::$_"	3712	clear_package "safe::$_"
3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3713	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3656		3714
3657	warn "unloading cf.pm \"a bit\"";	3715	warn "unloading cf.pm \"a bit\"";
3658	delete $INC{"cf.pm"};	3716	delete $INC{"cf.pm"};
3659	delete $INC{"cf/pod.pm"};	3717	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3660		3718
3661	# don't, removes xs symbols, too,	3719	# don't, removes xs symbols, too,
3662	# and global variables created in xs	3720	# and global variables created in xs
3663	#Symbol::delete_package __PACKAGE__;	3721	#clear_package __PACKAGE__;
3664		3722
3665	warn "unload completed, starting to reload now";	3723	warn "unload completed, starting to reload now";
3666		3724
3667	warn "reloading cf.pm";	3725	warn "reloading cf.pm";
3668	require cf;	3726	require cf;
3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3727	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3670		3728
3671	warn "loading config and database again";	3729	warn "loading config and database again";
3672	cf::reload_config;	3730	cf::reload_config;
3673		3731
3674	warn "loading extensions";	3732	warn "loading extensions";
3675	cf::load_extensions;	3733	cf::load_extensions;
3676		3734
		3735	if ($REATTACH_ON_RELOAD) {
3677	warn "reattaching attachments to objects/players";	3736	warn "reattaching attachments to objects/players";
3678	_global_reattach; # objects, sockets	3737	_global_reattach; # objects, sockets
3679	warn "reattaching attachments to maps";	3738	warn "reattaching attachments to maps";
3680	reattach $_ for values %MAP;	3739	reattach $_ for values %MAP;
3681	warn "reattaching attachments to players";	3740	warn "reattaching attachments to players";
3682	reattach $_ for values %PLAYER;	3741	reattach $_ for values %PLAYER;
		3742	}
3683		3743
		3744	warn "running post_init jobs";
		3745	(pop @POST_INIT)->(1) while @POST_INIT;
		3746
3684	warn "leaving sync_job";	3747	warn "leaving sync_job";
3685		3748
3686	1	3749	1
3687	} or do {	3750	} or do {
3688	warn $@;	3751	warn $@;
3689	cf::cleanup "error while reloading, exiting.";	3752	cf::cleanup "error while reloading, exiting.";
3690	};	3753	};
3691		3754
3692	warn "reloaded";	3755	warn "reloaded";
		3756	--$RELOAD;
		3757	}
		3758
		3759	$t1 = EV::time - $t1;
		3760	warn "reload completed in ${t1}s\n";
3693	};	3761	};
3694		3762
3695	our $RELOAD_WATCHER; # used only during reload	3763	our $RELOAD_WATCHER; # used only during reload
3696		3764
3697	sub reload_perl() {	3765	sub reload_perl() {
3698	# doing reload synchronously and two reloads happen back-to-back,	3766	# doing reload synchronously and two reloads happen back-to-back,
3699	# coro crashes during coro_state_free->destroy here.	3767	# coro crashes during coro_state_free->destroy here.
3700		3768
		3769	$RELOAD_WATCHER \|\|= cf::async {
		3770	Coro::AIO::aio_wait cache_extensions;
		3771
3701	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {	3772	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3702	do_reload_perl;	3773	do_reload_perl;
3703	undef $RELOAD_WATCHER;	3774	undef $RELOAD_WATCHER;
		3775	};
3704	};	3776	};
3705	}	3777	}
3706		3778
3707	register_command "reload" => sub {	3779	register_command "reload" => sub {
3708	my ($who, $arg) = @_;	3780	my ($who, $arg) = @_;
…		…
3779	{	3851	{
3780	# configure BDB	3852	# configure BDB
3781		3853
3782	BDB::min_parallel 8;	3854	BDB::min_parallel 8;
3783	BDB::max_poll_reqs $TICK * 0.1;	3855	BDB::max_poll_reqs $TICK * 0.1;
3784	$Coro::BDB::WATCHER->priority (1);	3856	$AnyEvent::BDB::WATCHER->priority (1);
3785		3857
3786	unless ($DB_ENV) {	3858	unless ($DB_ENV) {
3787	$DB_ENV = BDB::db_env_create;	3859	$DB_ENV = BDB::db_env_create;
3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3860	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT);
3789	\| BDB::LOG_AUTOREMOVE, 1);	3861	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3862	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3863	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3864	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3792		3865
3793	cf::sync_job {	3866	cf::sync_job {
3794	eval {	3867	eval {
…		…
3820	{	3893	{
3821	# configure IO::AIO	3894	# configure IO::AIO
3822		3895
3823	IO::AIO::min_parallel 8;	3896	IO::AIO::min_parallel 8;
3824	IO::AIO::max_poll_time $TICK * 0.1;	3897	IO::AIO::max_poll_time $TICK * 0.1;
3825	$Coro::AIO::WATCHER->priority (1);	3898	undef $AnyEvent::AIO::WATCHER;
3826	}	3899	}
3827		3900
3828	my $_log_backtrace;	3901	my $_log_backtrace;
3829		3902
3830	sub _log_backtrace {	3903	sub _log_backtrace {
…		…
3833	$msg =~ s/\n//;	3906	$msg =~ s/\n//;
3834		3907
3835	# limit the # of concurrent backtraces	3908	# limit the # of concurrent backtraces
3836	if ($_log_backtrace < 2) {	3909	if ($_log_backtrace < 2) {
3837	++$_log_backtrace;	3910	++$_log_backtrace;
		3911	my $perl_bt = Carp::longmess $msg;
3838	async {	3912	async {
3839	$Coro::current->{desc} = "abt $msg";	3913	$Coro::current->{desc} = "abt $msg";
3840		3914
3841	my @bt = fork_call {	3915	my @bt = fork_call {
3842	@addr = map { sprintf "%x", $_ } @addr;	3916	@addr = map { sprintf "%x", $_ } @addr;
…		…
3853	}	3927	}
3854		3928
3855	@funcs	3929	@funcs
3856	};	3930	};
3857		3931
3858	LOG llevInfo, "[ABT] $msg\n";	3932	LOG llevInfo, "[ABT] $perl_bt\n";
		3933	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3859	LOG llevInfo, "[ABT] $_\n" for @bt;	3934	LOG llevInfo, "[ABT] $_\n" for @bt;
3860	--$_log_backtrace;	3935	--$_log_backtrace;
3861	};	3936	};
3862	} else {	3937	} else {
3863	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $msg\n";
3864	LOG llevInfo, "[ABT] [suppressed]\n";	3939	LOG llevInfo, "[ABT] [suppressed]\n";
3865	}	3940	}
3866	}	3941	}
3867		3942
3868	# load additional modules	3943	# load additional modules
3869	use cf::pod;	3944	require "cf/$_.pm" for @EXTRA_MODULES;
3870		3945
3871	END { cf::emergency_save }	3946	END { cf::emergency_save }
3872		3947
3873	1	3948	1
3874		3949

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.428 by root, Thu May 1 06:33:19 2008 UTC vs. Revision 1.471 by root, Mon Apr 27 01:38:48 2009 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.428 by root, Thu May 1 06:33:19 2008 UTC vs.
Revision 1.471 by root, Mon Apr 27 01:38:48 2009 UTC