[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 1.466 by root, Thu Jan 8 03:03:24 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 off
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	}
133		150
134	mkdir $_	151	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
242	for my $pkg (qw(	259	for my $pkg (qw(
243	cf::global cf::attachable	260	cf::global cf::attachable
244	cf::object cf::object::player	261	cf::object cf::object::player
245	cf::client cf::player	262	cf::client cf::player
246	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
247	cf::map cf::party cf::region	265	cf::party cf::region
248	)) {	266	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	268	}
252		269
253	$EV::DIED = sub {	270	$EV::DIED = sub {
254	warn "error in event callback: @_";	271	warn "error in event callback: @_";
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		314
298	sub encode_json($) { $json_coder->encode ($_[0]) }	315	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	316	sub decode_json($) { $json_coder->decode ($_[0]) }
300		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
		331
301	=item cf::lock_wait $string	332	=item cf::lock_wait $string
302		333
303	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
304		335
305	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
306		337
307	Wait until the given lock is available and then acquires it and returns	338	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,	339	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	340	for example when the coroutine gets canceled), the lock is automatically
310	returned.	341	returned.
311		342
312	Locks are not recursive, locking from the same coro twice results in a	343	Locks are not recursive, locking from the same coro twice results in a
313	deadlocked coro.	344	deadlocked coro.
…		…
319		350
320	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
321		352
322	=cut	353	=cut
323		354
324	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		356
327	sub lock_wait($) {	357	sub lock_wait($) {
328	my ($key) = @_;	358	$LOCKS->wait ($_[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} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	359	}
341		360
342	sub lock_acquire($) {	361	sub lock_acquire($) {
343	my ($key) = @_;	362	$LOCKS->guard ($_[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	}	363	}
357		364
358	sub lock_active($) {	365	sub lock_active($) {
359	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	367	}
363		368
364	sub freeze_mainloop {	369	sub freeze_mainloop {
365	tick_inhibit_inc;	370	tick_inhibit_inc;
366		371
367	Coro::guard \&tick_inhibit_dec;	372	&Guard::guard (\&tick_inhibit_dec);
368	}	373	}
369		374
370	=item cf::periodic $interval, $cb	375	=item cf::periodic $interval, $cb
371		376
372	Like EV::periodic, but randomly selects a starting point so that the actions	377	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
724		729
725	#############################################################################	730	#############################################################################
726		731
727	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
728		733
729	Many objects in crossfire are so-called attachable objects. That means you can	734	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")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
732		737
733	In the following description, CLASS can be any of C<global>, C<object>	738	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	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
785		790
786	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
788		793
789	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
791		796
792	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
793		798
794	=over 4	799	=over 4
…		…
1085		1090
1086	sub reattach {	1091	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1093	my ($obj) = @_;
1089		1094
		1095	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1097
1092	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
1093		1099
1094	@$registry = ();	1100	@$registry = ();
1095		1101
…		…
1160	} else {	1166	} else {
1161	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
1162	}	1168	}
1163		1169
1164	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1174	} else {
1166	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
1167	}	1176	}
1168	} else {	1177	} else {
1169	aio_unlink $filename;	1178	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1171	}	1180	}
…		…
1262	my ($name, $cb) = @_;	1271	my ($name, $cb) = @_;
1263		1272
1264	$EXTICMD{$name} = $cb;	1273	$EXTICMD{$name} = $cb;
1265	}	1274	}
1266		1275
		1276	use File::Glob ();
		1277
1267	cf::player->attach (	1278	cf::player->attach (
1268	on_command => sub {	1279	on_command => sub {
1269	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
1270		1281
1271	my $cb = $COMMAND{$name}	1282	my $cb = $COMMAND{$name}
…		…
1303		1314
1304	cf::override;	1315	cf::override;
1305	},	1316	},
1306	);	1317	);
1307		1318
		1319	# "readahead" all extensions
		1320	sub cache_extensions {
		1321	my $grp = IO::AIO::aio_group;
		1322
		1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1324	for (grep /\.ext$/, @{$_[0]}) {
		1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1326	}
		1327	};
		1328
		1329	$grp
		1330	}
		1331
1308	sub load_extensions {	1332	sub load_extensions {
1309	cf::sync_job {	1333	cf::sync_job {
1310	my %todo;	1334	my %todo;
1311		1335
1312	for my $path (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
…		…
1331		1355
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.?perl.?#\s(.)$/m;	1357	if $source =~ /\A#!.?perl.?#\s(.)$/m;
1334		1358
1335	$ext{source} =	1359	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337	. "#line 1 \"$path\"\n{\n"	1361	. "#line 1 \"$path\"\n{\n"
1338	. $source	1362	. $source
1339	. "\n};\n1";	1363	. "\n};\n1";
1340		1364
1341	$todo{$base} = \%ext;	1365	$todo{$base} = \%ext;
…		…
1381		1405
1382	=back	1406	=back
1383		1407
1384	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1385		1409
1386	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1387		1411
1388	=cut	1412	=cut
1389		1413
1390	package cf::player;	1414	package cf::player;
1391		1415
…		…
1434		1458
1435	sub exists($) {	1459	sub exists($) {
1436	my ($login) = @_;	1460	my ($login) = @_;
1437		1461
1438	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1440	}	1464	}
1441		1465
1442	sub find($) {	1466	sub find($) {
1443	return $cf::PLAYER{$_[0]} \|\| do {	1467	return $cf::PLAYER{$_[0]} \|\| do {
1444	my $login = $_[0];	1468	my $login = $_[0];
…		…
1519	my ($pl) = @_;	1543	my ($pl) = @_;
1520		1544
1521	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1522		1546
1523	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1524	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1525		1549
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1528	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1529	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1530		1556
1531	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1532	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1613	}	1639	}
1614		1640
1615	\@paths	1641	\@paths
1616	}	1642	}
1617		1643
1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619		1645
1620	Expand crossfire pod fragments into protocol xml.	1646	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		1647
1711	=item $player->ext_reply ($msgid, @msg)	1648	=item $player->ext_reply ($msgid, @msg)
1712		1649
1713	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1714		1651
…		…
1927		1864
1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1930	}	1867	}
1931		1868
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 $_->outdoor, values %cf::MAP;
1939	}
1940
1941	sub decay_objects {	1869	sub decay_objects {
1942	my ($self) = @_;	1870	my ($self) = @_;
1943		1871
1944	return if $self->{deny_reset};	1872	return if $self->{deny_reset};
1945		1873
…		…
2027	sub find {	1955	sub find {
2028	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
2029		1957
2030	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
2031		1959
2032	cf::lock_wait "map_data:$path";#d#remove	1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
2034		1962
2035	$cf::MAP{$path} \|\| do {	1963	$cf::MAP{$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	1964	my $map = new_from_path cf::map $path
2040	or return;	1965	or return;
2041		1966
2042	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
2043		1968
…		…
2045	or return;	1970	or return;
2046		1971
2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
2049	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
2050	undef $guard1;	1976	undef $guard1;
2051	undef $guard2;
2052	$map->reset;	1977	$map->reset;
2053	return find $path;	1978	return find $path;
2054	}	1979	}
2055		1980
2056	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
…		…
2083	my $f = new_from_file cf::object::thawer $self->{load_path};	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
2084	$f->skip_block;	2009	$f->skip_block;
2085	$self->_load_objects ($f)	2010	$self->_load_objects ($f)
2086	or return;	2011	or return;
2087		2012
2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
2089	if delete $self->{load_original};	2014	if delete $self->{load_original};
2090		2015
2091	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
2092	utf8::encode $uniq;	2017	utf8::encode $uniq;
2093	unless (aio_stat $uniq) {	2018	unless (aio_stat $uniq) {
…		…
2110		2035
2111	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
2112	$self->decay_objects;	2037	$self->decay_objects;
2113	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
2114	$self->update_buttons;	2039	$self->update_buttons;
2115	cf::cede_to_tick;
2116	$self->set_darkness_map;
2117	cf::cede_to_tick;	2040	cf::cede_to_tick;
2118	$self->activate;	2041	$self->activate;
2119	}	2042	}
2120		2043
2121	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
…		…
2528		2451
2529	=item $player_object->enter_link	2452	=item $player_object->enter_link
2530		2453
2531	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2532		2455
2533	The player should be reasonably safe there for short amounts of time. You	2456	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.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2535		2460
2536	Will never block.	2461	Will never block.
2537		2462
2538	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2539		2464
…		…
2597		2522
2598	$map->load;	2523	$map->load;
2599	$map->load_neighbours;	2524	$map->load_neighbours;
2600		2525
2601	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2602	$self->activate_recursive;	2528	$self->activate_recursive;
2603		2529
2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2606	}	2532	}
…		…
2610	Moves the player to the given map-path and coordinates by first freezing	2536	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	2537	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	2538	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	2539	the new (success) or old (failed) map position. In either case, $done will
2614	be called at the end of this process.	2540	be called at the end of this process.
		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
2615		2544
2616	=cut	2545	=cut
2617		2546
2618	our $GOTOGEN;	2547	our $GOTOGEN;
2619		2548
…		…
2698	}	2627	}
2699		2628
2700	sub prepare_random_map {	2629	sub prepare_random_map {
2701	my ($exit) = @_;	2630	my ($exit) = @_;
2702		2631
2703	my $guard = cf::lock_acquire "exit_prepare:$exit";
2704
2705	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2706	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2707	# that depends on the exit object	2634	# that depends on the exit object
2708		2635
2709	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2711	if ($exit->map) {	2638	if ($exit->map) {
2712	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2713	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2714	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2715	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2716	}	2645	}
2717		2646
2718	$rmp->{random_seed} \|\|= $exit->random_seed;	2647	$rmp->{random_seed} \|\|= $exit->random_seed;
2719		2648
2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2724	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
2725	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2726	undef $fh;	2655	undef $fh;
2727	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2728		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2729	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2730	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2731	}	2664	}
2732	}	2665	}
2733		2666
2734	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2735	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2736		2669
2737	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2738		2671
2739	if ($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;	2672	$self->enter_link;
2751		2673
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 {	2674	(async {
2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2675	$Coro::current->{desc} = "enter_exit";
2758		2676
2759	$self->deactivate_recursive; # just to be sure
2760	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2761	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2762		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2763	1;	2698	1
2764	}) {	2699	}) {
2765	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2766	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2767	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2768	cf::NDI_UNIQUE \| cf::NDI_RED);	2703	cf::NDI_UNIQUE \| cf::NDI_RED);
2769		2704
2770	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2836	id => "infobox",	2771	id => "infobox",
2837	title => "Body Parts",	2772	title => "Body Parts",
2838	reply => undef,	2773	reply => undef,
2839	tooltip => "Shows which body parts you posess and are available",	2774	tooltip => "Shows which body parts you posess and are available",
2840	},	2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
2841	"c/uptime" => {	2800	"c/uptime" => {
2842	id => "infobox",	2801	id => "infobox",
2843	title => "Uptime",	2802	title => "Uptime",
2844	reply => undef,	2803	reply => undef,
2845	tooltip => "How long the server has been running since last restart",	2804	tooltip => "How long the server has been running since last restart",
…		…
2854	id => "party",	2813	id => "party",
2855	title => "Party",	2814	title => "Party",
2856	reply => "gsay ",	2815	reply => "gsay ",
2857	tooltip => "Messages and chat related to your party",	2816	tooltip => "Messages and chat related to your party",
2858	},	2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
2859	);	2826	);
2860		2827
2861	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2862	my ($self, $channel, $msg, $color, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2863		2830
2864	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
2865		2833
2866	$color &= cf::NDI_CLIENT_MASK; # just in case...	2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
2867		2835
2868	# check predefined channels, for the benefit of C	2836	# check predefined channels, for the benefit of C
2869	if ($CHANNEL{$channel}) {	2837	if ($CHANNEL{$channel}) {
2870	$channel = $CHANNEL{$channel};	2838	$channel = $CHANNEL{$channel};
2871		2839
2872	$self->ext_msg (channel_info => $channel)	2840	$self->ext_msg (channel_info => $channel);
2873	if $self->can_msg;
2874
2875	$channel = $channel->{id};	2841	$channel = $channel->{id};
2876		2842
2877	} elsif (ref $channel) {	2843	} elsif (ref $channel) {
2878	# send meta info to client, if not yet sent	2844	# send meta info to client, if not yet sent
2879	unless (exists $self->{channel}{$channel->{id}}) {	2845	unless (exists $self->{channel}{$channel->{id}}) {
2880	$self->{channel}{$channel->{id}} = $channel;	2846	$self->{channel}{$channel->{id}} = $channel;
2881	$self->ext_msg (channel_info => $channel)	2847	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883	}	2848	}
2884		2849
2885	$channel = $channel->{id};	2850	$channel = $channel->{id};
2886	}	2851	}
2887		2852
2888	return unless @extra \|\| length $msg;	2853	return unless @extra \|\| length $msg;
2889		2854
2890	if ($self->can_msg) {
2891	# default colour, mask it out	2855	# default colour, mask it out
2892	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)	2856	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
2893	if $color & cf::NDI_DEF;	2857	if $color & cf::NDI_DEF;
2894		2858
2895	$self->send_packet ("msg " . $self->{json_coder}->encode (	2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2897	} else {	2862	);
2898	if ($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		2863
2909	$color &= cf::NDI_COLOR_MASK;	2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
2910		2867
2911	utf8::encode $msg;	2868	# split very large packets
2912		2869	if (8192 < length $pkt and $self->{can_lzf}) {
2913	if (0 && $msg =~ /\[/) {	2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2914	# COMMAND/INFO	2871	$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	}	2872	}
		2873
		2874	$self->send_packet ($pkt);
2922	}	2875	}
2923		2876
2924	=item $client->ext_msg ($type, @msg)	2877	=item $client->ext_msg ($type, @msg)
2925		2878
2926	Sends an ext event to the client.	2879	Sends an ext event to the client.
…		…
3101	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
3102		3055
3103	cf::object	3056	cf::object
3104	contr pay_amount pay_player map x y force_find force_add destroy	3057	contr pay_amount pay_player map x y force_find force_add destroy
3105	insert remove name archname title slaying race decrease split	3058	insert remove name archname title slaying race decrease split
		3059	value
3106		3060
3107	cf::object::player	3061	cf::object::player
3108	player	3062	player
3109		3063
3110	cf::player	3064	cf::player
…		…
3115		3069
3116	=cut	3070	=cut
3117		3071
3118	for (	3072	for (
3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3120	insert remove inv name archname title slaying race	3074	insert remove inv nrof name archname title slaying race
3121	decrease split destroy)],	3075	decrease split destroy change_exp value msg lore send_msg)],
3122	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
3123	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
3124	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
3125	) {	3079	) {
3126	no strict 'refs';	3080	no strict 'refs';
3127	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
3128	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3145	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
3146		3100
3147	my $qcode = $code;	3101	my $qcode = $code;
3148	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3149	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
3150		3106
3151	local $_;	3107	local $_;
3152	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
3153		3109
3154	my $eval =	3110	my $eval =
…		…
3384	reload_treasures;	3340	reload_treasures;
3385		3341
3386	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3387	}	3343	}
3388		3344
3389	sub init {
3390	my $guard = freeze_mainloop;
3391
3392	reload_resources;
3393	}
3394
3395	sub reload_config {	3345	sub reload_config {
3396	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
3397	or return;	3347	or return;
3398		3348
3399	local $/;	3349	local $/;
…		…
3411	};	3361	};
3412	warn $@ if $@;	3362	warn $@ if $@;
3413	}	3363	}
3414	}	3364	}
3415		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR \| O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
3416	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
3417	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
3418	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3420	(async {	3403	(async {
3421	$Coro::current->{desc} = "IDLE BUG HANDLER";	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
3422	EV::loop EV::LOOP_ONESHOT;	3405	EV::loop EV::LOOP_ONESHOT;
3423	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
3424	};	3407	};
3425		3408
3426	{	3409	evthread_start IO::AIO::poll_fileno;
3427	my $guard = freeze_mainloop;	3410
		3411	cf::sync_job {
		3412	reload_resources;
3428	reload_config;	3413	reload_config;
3429	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
3430	load_extensions;	3427	load_extensions;
3431		3428
3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3429	utime time, time, $RUNTIMEFILE;
3433	evthread_start IO::AIO::poll_fileno;	3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
3434	}	3435	};
3435		3436
3436	EV::loop;	3437	EV::loop;
3437	}	3438	}
3438		3439
3439	#############################################################################	3440	#############################################################################
…		…
3448	};	3449	};
3449	}	3450	}
3450	}	3451	}
3451		3452
3452	sub write_runtime_sync {	3453	sub write_runtime_sync {
3453	my $runtime = "$LOCALDIR/runtime";
3454
3455	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3456	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3457		3456
3458	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3459		3458
3460	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3461		3460
3462	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY \| O_CREAT, 0644
3463	or return;	3462	or return;
3464		3463
3465	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3466	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3467	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3477	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3478		3477
3479	close $fh	3478	close $fh
3480	or return;	3479	or return;
3481		3480
3482	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3483	and return;	3482	and return;
3484		3483
3485	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3486		3485
3487	1	3486	1
…		…
3499	my $uuid = "$LOCALDIR/uuid";	3498	my $uuid = "$LOCALDIR/uuid";
3500		3499
3501	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644	3500	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
3502	or return;	3501	or return;
3503		3502
3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
3505	$uuid_skip = 0;	3511	$uuid_skip = 0;
3506		3512
3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3508	and return;	3514	and return;
3509		3515
…		…
3531	}	3537	}
3532		3538
3533	sub emergency_save() {	3539	sub emergency_save() {
3534	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3535		3541
3536	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3537		3543
3538	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
3539	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3540	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3541	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3542	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3543	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3544	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3545	$pl->valid or next;	3556	$pl->valid or next;
3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3547	$pl->save;	3558	$pl->save;
3548	}	3559	}
3549	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3550		3561
3551	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3552	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3553	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3554	$map->valid or next;	3565	$map->valid or next;
3555	$map->save;	3566	$map->save;
3556	}	3567	}
3557	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3558		3569
3559	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3560	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3561	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
3562		3573
3563	warn "begin write uuid\n";	3574	warn "emergency_perl_save: begin write uuid\n";
3564	write_uuid_sync 1;	3575	write_uuid_sync 1;
3565	warn "end write uuid\n";	3576	warn "emergency_perl_save: end write uuid\n";
3566	};	3577	};
3567		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
3568	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3569	}	3585	}
3570		3586
3571	sub post_cleanup {	3587	sub post_cleanup {
3572	my ($make_core) = @_;	3588	my ($make_core) = @_;
3573		3589
3574	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3575	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
3576	}	3621	}
3577		3622
3578	sub do_reload_perl() {	3623	sub do_reload_perl() {
3579	# can/must only be called in main	3624	# can/must only be called in main
3580	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3581	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3582	return;	3627	return;
3583	}	3628	}
3584		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3585	warn "reloading...";	3635	warn "reloading...";
3586		3636
3587	warn "entering sync_job";	3637	warn "entering sync_job";
3588		3638
3589	cf::sync_job {	3639	cf::sync_job {
3590	cf::write_runtime_sync; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3591	cf::emergency_save;	3641	cf::emergency_save;
3592	cf::write_runtime_sync; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3593		3643
3594	warn "syncing database to disk";	3644	warn "syncing database to disk";
3595	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3596		3646
3597	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
3598		3648
3599	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3600	for (;;) {
3601	BDB::flush;
3602	IO::AIO::flush;
3603	Coro::cede_notself;
3604	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3650	while (IO::AIO::nreqs \|\| BDB::nreqs) {
3605	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3606	}
3607
3608	++$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	}	3652	}
3631		3653
3632	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3633	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3634	}	3656	%EXT_CORO = ();
3635		3657
3636	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3637	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3639		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3640	warn "... unloading $k";	3667	warn "... unloading $pkg";
3641	delete $INC{$k};
3642		3668
3643	$k =~ s/\.pm$//;
3644	$k =~ s/\//::/g;
3645
3646	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3647	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3648	}	3678	}
3649		3679
3650	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
3651	}	3695	}
3652		3696
3653	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3654	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3656		3700
3657	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3658	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3659	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3660		3704
3661	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3662	# and global variables created in xs	3706	# and global variables created in xs
3663	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3664		3708
3665	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3666		3710
3667	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3668	require cf;	3712	require cf;
3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3670		3714
3671	warn "loading config and database again";	3715	warn "loading config and database again";
3672	cf::reload_config;	3716	cf::reload_config;
3673		3717
3674	warn "loading extensions";	3718	warn "loading extensions";
3675	cf::load_extensions;	3719	cf::load_extensions;
3676		3720
		3721	if ($REATTACH_ON_RELOAD) {
3677	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3678	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3679	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3680	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3681	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3682	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3683		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3684	warn "leaving sync_job";	3733	warn "leaving sync_job";
3685		3734
3686	1	3735	1
3687	} or do {	3736	} or do {
3688	warn $@;	3737	warn $@;
3689	cf::cleanup "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3690	};	3739	};
3691		3740
3692	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3693	};	3747	};
3694		3748
3695	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3696		3750
3697	sub reload_perl() {	3751	sub reload_perl() {
3698	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3699	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3700		3754
		3755	$RELOAD_WATCHER \|\|= cf::async {
		3756	Coro::AIO::aio_wait cache_extensions;
		3757
3701	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3702	do_reload_perl;	3759	do_reload_perl;
3703	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
		3761	};
3704	};	3762	};
3705	}	3763	}
3706		3764
3707	register_command "reload" => sub {	3765	register_command "reload" => sub {
3708	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
…		…
3779	{	3837	{
3780	# configure BDB	3838	# configure BDB
3781		3839
3782	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3783	BDB::max_poll_reqs $TICK * 0.1;	3841	BDB::max_poll_reqs $TICK * 0.1;
3784	$Coro::BDB::WATCHER->priority (1);	3842	$AnyEvent::BDB::WATCHER->priority (1);
3785		3843
3786	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3787	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT);
3789	\| BDB::LOG_AUTOREMOVE, 1);	3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3792		3851
3793	cf::sync_job {	3852	cf::sync_job {
3794	eval {	3853	eval {
…		…
3820	{	3879	{
3821	# configure IO::AIO	3880	# configure IO::AIO
3822		3881
3823	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3824	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3825	$Coro::AIO::WATCHER->priority (1);	3884	undef $AnyEvent::AIO::WATCHER;
3826	}	3885	}
3827		3886
3828	my $_log_backtrace;	3887	my $_log_backtrace;
3829		3888
3830	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3833	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3834		3893
3835	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3836	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3837	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3838	async {	3898	async {
3839	$Coro::current->{desc} = "abt $msg";	3899	$Coro::current->{desc} = "abt $msg";
3840		3900
3841	my @bt = fork_call {	3901	my @bt = fork_call {
3842	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
…		…
3853	}	3913	}
3854		3914
3855	@funcs	3915	@funcs
3856	};	3916	};
3857		3917
3858	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3859	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3860	--$_log_backtrace;	3921	--$_log_backtrace;
3861	};	3922	};
3862	} else {	3923	} else {
3863	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3864	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3865	}	3926	}
3866	}	3927	}
3867		3928
3868	# load additional modules	3929	# load additional modules
3869	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3870		3931
3871	END { cf::emergency_save }	3932	END { cf::emergency_save }
3872		3933
3873	1	3934	1
3874		3935

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 1.466 by root, Thu Jan 8 03:03:24 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 1.466 by root, Thu Jan 8 03:03:24 2009 UTC