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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC vs.
Revision 1.469 by root, Mon Mar 2 22:25:19 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;
1528	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1529	$pl->ob->check_score;	1555	$pl->ob->check_score;
…		…
1615	}	1641	}
1616		1642
1617	\@paths	1643	\@paths
1618	}	1644	}
1619		1645
1620	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1621		1647
1622	Expand crossfire pod fragments into protocol xml.	1648	Expand deliantra pod fragments into protocol xml.
1623
1624	=cut
1625
1626	use re 'eval';
1627
1628	my $group;
1629	my $interior; $interior = qr{
1630	# match a pod interior sequence sans C<< >>
1631	(?:
1632	\ (.*?)\ (?{ $group = $^N })
1633	\| < (??{$interior}) >
1634	)
1635	}x;
1636
1637	sub expand_cfpod {
1638	my ($self, $pod) = @_;
1639
1640	my $xml;
1641
1642	while () {
1643	if ($pod =~ /\G( (?: [^BCGHITU]+ \| .(?!<) )+ )/xgcs) {
1644	$group = $1;
1645
1646	$group =~ s/&/&/g;
1647	$group =~ s/</</g;
1648
1649	$xml .= $group;
1650	} elsif ($pod =~ m%\G
1651	([BCGHITU])
1652	<
1653	(?:
1654	([^<>]*) (?{ $group = $^N })
1655	\| < $interior >
1656	)
1657	>
1658	%gcsx
1659	) {
1660	my ($code, $data) = ($1, $group);
1661
1662	if ($code eq "B") {
1663	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1664	} elsif ($code eq "I") {
1665	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1666	} elsif ($code eq "U") {
1667	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1668	} elsif ($code eq "C") {
1669	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1670	} elsif ($code eq "T") {
1671	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1672	} elsif ($code eq "G") {
1673	my ($male, $female) = split /\\|/, $data;
1674	$data = $self->gender ? $female : $male;
1675	$xml .= expand_cfpod ($self, $data);
1676	} elsif ($code eq "H") {
1677	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1678	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1679	"")
1680	[$self->{hintmode}];
1681	} else {
1682	$xml .= "error processing '$code($data)' directive";
1683	}
1684	} else {
1685	if ($pod =~ /\G(.+)/) {
1686	warn "parse error while expanding $pod (at $1)";
1687	}
1688	last;
1689	}
1690	}
1691
1692	for ($xml) {
1693	# create single paragraphs (very hackish)
1694	s/(?<=\S)\n(?=\w)/ /g;
1695
1696	# compress some whitespace
1697	s/\s+\n/\n/g; # ws line-ends
1698	s/\n\n+/\n/g; # double lines
1699	s/^\n+//; # beginning lines
1700	s/\n+$//; # ending lines
1701	}
1702
1703	$xml
1704	}
1705
1706	no re 'eval';
1707
1708	sub hintmode {
1709	$_[0]{hintmode} = $_[1] if @_ > 1;
1710	$_[0]{hintmode}
1711	}
1712		1649
1713	=item $player->ext_reply ($msgid, @msg)	1650	=item $player->ext_reply ($msgid, @msg)
1714		1651
1715	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1716		1653
…		…
1929		1866
1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1931	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1932	}	1869	}
1933		1870
1934	# and all this just because we cannot iterate over
1935	# all maps in C++...
1936	sub change_all_map_light {
1937	my ($change) = @_;
1938
1939	$_->change_map_light ($change)
1940	for grep $_->outdoor, values %cf::MAP;
1941	}
1942
1943	sub decay_objects {	1871	sub decay_objects {
1944	my ($self) = @_;	1872	my ($self) = @_;
1945		1873
1946	return if $self->{deny_reset};	1874	return if $self->{deny_reset};
1947		1875
…		…
2029	sub find {	1957	sub find {
2030	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
2031		1959
2032	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
2033		1961
2034	cf::lock_wait "map_data:$path";#d#remove	1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2035	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
2036		1964
2037	$cf::MAP{$path} \|\| do {	1965	$cf::MAP{$path} \|\| do {
2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2039	my $guard2 = cf::lock_acquire "map_find:$path";
2040
2041	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
2042	or return;	1967	or return;
2043		1968
2044	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
2045		1970
…		…
2085	my $f = new_from_file cf::object::thawer $self->{load_path};	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
2086	$f->skip_block;	2011	$f->skip_block;
2087	$self->_load_objects ($f)	2012	$self->_load_objects ($f)
2088	or return;	2013	or return;
2089		2014
2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
2091	if delete $self->{load_original};	2016	if delete $self->{load_original};
2092		2017
2093	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
2094	utf8::encode $uniq;	2019	utf8::encode $uniq;
2095	unless (aio_stat $uniq) {	2020	unless (aio_stat $uniq) {
…		…
2112		2037
2113	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
2114	$self->decay_objects;	2039	$self->decay_objects;
2115	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
2116	$self->update_buttons;	2041	$self->update_buttons;
2117	cf::cede_to_tick;
2118	$self->set_darkness_map;
2119	cf::cede_to_tick;	2042	cf::cede_to_tick;
2120	$self->activate;	2043	$self->activate;
2121	}	2044	}
2122		2045
2123	$self->{last_save} = $cf::RUNTIME;	2046	$self->{last_save} = $cf::RUNTIME;
…		…
2465		2388
2466	our $SAY_CHANNEL = {	2389	our $SAY_CHANNEL = {
2467	id => "say",	2390	id => "say",
2468	title => "Map",	2391	title => "Map",
2469	reply => "say ",	2392	reply => "say ",
2470	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.",
2471	};	2394	};
2472		2395
2473	our $CHAT_CHANNEL = {	2396	our $CHAT_CHANNEL = {
2474	id => "chat",	2397	id => "chat",
2475	title => "Chat",	2398	title => "Chat",
…		…
2530		2453
2531	=item $player_object->enter_link	2454	=item $player_object->enter_link
2532		2455
2533	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}>).
2534		2457
2535	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.
2536	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.
2537		2462
2538	Will never block.	2463	Will never block.
2539		2464
2540	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2541		2466
…		…
2599		2524
2600	$map->load;	2525	$map->load;
2601	$map->load_neighbours;	2526	$map->load_neighbours;
2602		2527
2603	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2604	$self->activate_recursive;	2530	$self->activate_recursive;
2605		2531
2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2607	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2608	}	2534	}
…		…
2612	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
2613	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2614	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
2615	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
2616	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 >>.
2617		2546
2618	=cut	2547	=cut
2619		2548
2620	our $GOTOGEN;	2549	our $GOTOGEN;
2621		2550
…		…
2768	$self->contr->savebed ($map, $x, $y)	2697	$self->contr->savebed ($map, $x, $y)
2769	if $exit->flag (cf::FLAG_DAMNED);	2698	if $exit->flag (cf::FLAG_DAMNED);
2770		2699
2771	1	2700	1
2772	}) {	2701	}) {
2773	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2774	. "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. "
2775	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2776	cf::NDI_UNIQUE \| cf::NDI_RED);	2705	cf::NDI_UNIQUE \| cf::NDI_RED);
2777		2706
2778	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2844	id => "infobox",	2773	id => "infobox",
2845	title => "Body Parts",	2774	title => "Body Parts",
2846	reply => undef,	2775	reply => undef,
2847	tooltip => "Shows which body parts you posess and are available",	2776	tooltip => "Shows which body parts you posess and are available",
2848	},	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/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
2849	"c/uptime" => {	2802	"c/uptime" => {
2850	id => "infobox",	2803	id => "infobox",
2851	title => "Uptime",	2804	title => "Uptime",
2852	reply => undef,	2805	reply => undef,
2853	tooltip => "How long the server has been running since last restart",	2806	tooltip => "How long the server has been running since last restart",
…		…
2862	id => "party",	2815	id => "party",
2863	title => "Party",	2816	title => "Party",
2864	reply => "gsay ",	2817	reply => "gsay ",
2865	tooltip => "Messages and chat related to your party",	2818	tooltip => "Messages and chat related to your party",
2866	},	2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
2867	);	2828	);
2868		2829
2869	sub cf::client::send_msg {	2830	sub cf::client::send_msg {
2870	my ($self, $channel, $msg, $color, @extra) = @_;	2831	my ($self, $channel, $msg, $color, @extra) = @_;
2871		2832
2872	$msg = $self->pl->expand_cfpod ($msg);	2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
2873		2835
2874	$color &= cf::NDI_CLIENT_MASK; # just in case...	2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
2875		2837
2876	# check predefined channels, for the benefit of C	2838	# check predefined channels, for the benefit of C
2877	if ($CHANNEL{$channel}) {	2839	if ($CHANNEL{$channel}) {
2878	$channel = $CHANNEL{$channel};	2840	$channel = $CHANNEL{$channel};
2879		2841
2880	$self->ext_msg (channel_info => $channel)	2842	$self->ext_msg (channel_info => $channel);
2881	if $self->can_msg;
2882
2883	$channel = $channel->{id};	2843	$channel = $channel->{id};
2884		2844
2885	} elsif (ref $channel) {	2845	} elsif (ref $channel) {
2886	# send meta info to client, if not yet sent	2846	# send meta info to client, if not yet sent
2887	unless (exists $self->{channel}{$channel->{id}}) {	2847	unless (exists $self->{channel}{$channel->{id}}) {
2888	$self->{channel}{$channel->{id}} = $channel;	2848	$self->{channel}{$channel->{id}} = $channel;
2889	$self->ext_msg (channel_info => $channel)	2849	$self->ext_msg (channel_info => $channel);
2890	if $self->can_msg;
2891	}	2850	}
2892		2851
2893	$channel = $channel->{id};	2852	$channel = $channel->{id};
2894	}	2853	}
2895		2854
2896	return unless @extra \|\| length $msg;	2855	return unless @extra \|\| length $msg;
2897		2856
2898	if ($self->can_msg) {
2899	# default colour, mask it out	2857	# default colour, mask it out
2900	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)	2858	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
2901	if $color & cf::NDI_DEF;	2859	if $color & cf::NDI_DEF;
2902		2860
2903	$self->send_packet ("msg " . $self->{json_coder}->encode (	2861	my $pkt = "msg "
		2862	. $self->{json_coder}->encode (
2904	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2905	} else {	2864	);
2906	if ($color >= 0) {
2907	# replace some tags by gcfclient-compatible ones
2908	for ($msg) {
2909	1 while
2910	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2911	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2912	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2913	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2914	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2915	}
2916		2865
2917	$color &= cf::NDI_COLOR_MASK;	2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
2918		2869
2919	utf8::encode $msg;	2870	# split very large packets
2920		2871	if (8192 < length $pkt and $self->{can_lzf}) {
2921	if (0 && $msg =~ /\[/) {	2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2922	# COMMAND/INFO	2873	$pkt = "frag";
2923	$self->send_packet ("drawextinfo $color 10 8 $msg")
2924	} else {
2925	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
2926	$self->send_packet ("drawinfo $color $msg")
2927	}
2928	}
2929	}	2874	}
		2875
		2876	$self->send_packet ($pkt);
2930	}	2877	}
2931		2878
2932	=item $client->ext_msg ($type, @msg)	2879	=item $client->ext_msg ($type, @msg)
2933		2880
2934	Sends an ext event to the client.	2881	Sends an ext event to the client.
…		…
3109	The following functions and methods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
3110		3057
3111	cf::object	3058	cf::object
3112	contr pay_amount pay_player map x y force_find force_add destroy	3059	contr pay_amount pay_player map x y force_find force_add destroy
3113	insert remove name archname title slaying race decrease split	3060	insert remove name archname title slaying race decrease split
		3061	value
3114		3062
3115	cf::object::player	3063	cf::object::player
3116	player	3064	player
3117		3065
3118	cf::player	3066	cf::player
…		…
3124	=cut	3072	=cut
3125		3073
3126	for (	3074	for (
3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3128	insert remove inv nrof name archname title slaying race	3076	insert remove inv nrof name archname title slaying race
3129	decrease split destroy)],	3077	decrease split destroy change_exp value msg lore send_msg)],
3130	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
3131	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
3132	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
3133	) {	3081	) {
3134	no strict 'refs';	3082	no strict 'refs';
3135	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
3136	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3153	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
3154		3102
3155	my $qcode = $code;	3103	my $qcode = $code;
3156	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3157	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
3158		3108
3159	local $_;	3109	local $_;
3160	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
3161		3111
3162	my $eval =	3112	my $eval =
…		…
3392	reload_treasures;	3342	reload_treasures;
3393		3343
3394	warn "finished reloading resource files\n";	3344	warn "finished reloading resource files\n";
3395	}	3345	}
3396		3346
3397	sub init {
3398	my $guard = freeze_mainloop;
3399
3400	reload_resources;
3401	}
3402
3403	sub reload_config {	3347	sub reload_config {
3404	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
3405	or return;	3349	or return;
3406		3350
3407	local $/;	3351	local $/;
…		…
3419	};	3363	};
3420	warn $@ if $@;	3364	warn $@ if $@;
3421	}	3365	}
3422	}	3366	}
3423		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR \| O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
3424	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
3425	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
3426	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
3427	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3428	(async {	3405	(async {
3429	$Coro::current->{desc} = "IDLE BUG HANDLER";	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
3430	EV::loop EV::LOOP_ONESHOT;	3407	EV::loop EV::LOOP_ONESHOT;
3431	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
3432	};	3409	};
3433		3410
3434	{	3411	evthread_start IO::AIO::poll_fileno;
3435	my $guard = freeze_mainloop;	3412
		3413	cf::sync_job {
		3414	reload_resources;
3436	reload_config;	3415	reload_config;
3437	db_init;	3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
3438	load_extensions;	3429	load_extensions;
3439		3430
3440	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3431	utime time, time, $RUNTIMEFILE;
3441	evthread_start IO::AIO::poll_fileno;	3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
3442	}	3437	};
3443		3438
3444	EV::loop;	3439	EV::loop;
3445	}	3440	}
3446		3441
3447	#############################################################################	3442	#############################################################################
…		…
3456	};	3451	};
3457	}	3452	}
3458	}	3453	}
3459		3454
3460	sub write_runtime_sync {	3455	sub write_runtime_sync {
3461	my $runtime = "$LOCALDIR/runtime";
3462
3463	# first touch the runtime file to show we are still running:	3456	# first touch the runtime file to show we are still running:
3464	# the fsync below can take a very very long time.	3457	# the fsync below can take a very very long time.
3465		3458
3466	IO::AIO::aio_utime $runtime, undef, undef;	3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3467		3460
3468	my $guard = cf::lock_acquire "write_runtime";	3461	my $guard = cf::lock_acquire "write_runtime";
3469		3462
3470	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY \| O_CREAT, 0644
3471	or return;	3464	or return;
3472		3465
3473	my $value = $cf::RUNTIME + 90 + 10;	3466	my $value = $cf::RUNTIME + 90 + 10;
3474	# 10 is the runtime save interval, for a monotonic clock	3467	# 10 is the runtime save interval, for a monotonic clock
3475	# 60 allows for the watchdog to kill the server.	3468	# 60 allows for the watchdog to kill the server.
…		…
3485	aio_utime $fh, undef, undef;	3478	aio_utime $fh, undef, undef;
3486		3479
3487	close $fh	3480	close $fh
3488	or return;	3481	or return;
3489		3482
3490	aio_rename "$runtime~", $runtime	3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3491	and return;	3484	and return;
3492		3485
3493	warn "runtime file written.\n";	3486	warn "runtime file written.\n";
3494		3487
3495	1	3488	1
…		…
3507	my $uuid = "$LOCALDIR/uuid";	3500	my $uuid = "$LOCALDIR/uuid";
3508		3501
3509	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644	3502	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
3510	or return;	3503	or return;
3511		3504
3512	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
3513	$uuid_skip = 0;	3513	$uuid_skip = 0;
3514		3514
3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3516	and return;	3516	and return;
3517		3517
…		…
3539	}	3539	}
3540		3540
3541	sub emergency_save() {	3541	sub emergency_save() {
3542	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
3543		3543
3544	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
3545		3545
3546	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
3547	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
3548	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
3549	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
3550	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
3551	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
3552	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
3553	$pl->valid or next;	3558	$pl->valid or next;
3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3555	$pl->save;	3560	$pl->save;
3556	}	3561	}
3557	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
3558		3563
3559	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
3560	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
3561	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
3562	$map->valid or next;	3567	$map->valid or next;
3563	$map->save;	3568	$map->save;
3564	}	3569	}
3565	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
3566		3571
3567	warn "begin emergency database checkpoint\n";	3572	warn "emergency_perl_save: begin database checkpoint\n";
3568	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
3569	warn "end emergency database checkpoint\n";	3574	warn "emergency_perl_save: end database checkpoint\n";
3570		3575
3571	warn "begin write uuid\n";	3576	warn "emergency_perl_save: begin write uuid\n";
3572	write_uuid_sync 1;	3577	write_uuid_sync 1;
3573	warn "end write uuid\n";	3578	warn "emergency_perl_save: end write uuid\n";
3574	};	3579	};
3575		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
3576	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
3577	}	3587	}
3578		3588
3579	sub post_cleanup {	3589	sub post_cleanup {
3580	my ($make_core) = @_;	3590	my ($make_core) = @_;
3581		3591
3582	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
3583	if $make_core;	3593	if $make_core;
		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
3584	}	3623	}
3585		3624
3586	sub do_reload_perl() {	3625	sub do_reload_perl() {
3587	# can/must only be called in main	3626	# can/must only be called in main
3588	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
3589	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
3590	return;	3629	return;
3591	}	3630	}
3592		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
3593	warn "reloading...";	3637	warn "reloading...";
3594		3638
3595	warn "entering sync_job";	3639	warn "entering sync_job";
3596		3640
3597	cf::sync_job {	3641	cf::sync_job {
3598	cf::write_runtime_sync; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3599	cf::emergency_save;	3643	cf::emergency_save;
3600	cf::write_runtime_sync; # external watchdog should not bark	3644	cf::write_runtime_sync; # external watchdog should not bark
3601		3645
3602	warn "syncing database to disk";	3646	warn "syncing database to disk";
3603	BDB::db_env_txn_checkpoint $DB_ENV;	3647	BDB::db_env_txn_checkpoint $DB_ENV;
3604		3648
3605	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
3606		3650
3607	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
3608	for (;;) {
3609	BDB::flush;
3610	IO::AIO::flush;
3611	Coro::cede_notself;
3612	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3652	while (IO::AIO::nreqs \|\| BDB::nreqs) {
3613	warn "iterate...";	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3614	}
3615
3616	++$RELOAD;
3617
3618	warn "cancelling all extension coros";
3619	$_->cancel for values %EXT_CORO;
3620	%EXT_CORO = ();
3621
3622	warn "removing commands";
3623	%COMMAND = ();
3624
3625	warn "removing ext/exti commands";
3626	%EXTCMD = ();
3627	%EXTICMD = ();
3628
3629	warn "unloading/nuking all extensions";
3630	for my $pkg (@EXTS) {
3631	warn "... unloading $pkg";
3632
3633	if (my $cb = $pkg->can ("unload")) {
3634	eval {
3635	$cb->($pkg);
3636	1
3637	} or warn "$pkg unloaded, but with errors: $@";
3638	}	3654	}
3639		3655
3640	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
3641	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
3642	}	3658	%EXT_CORO = ();
3643		3659
3644	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
3645	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3647		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
3648	warn "... unloading $k";	3669	warn "... unloading $pkg";
3649	delete $INC{$k};
3650		3670
3651	$k =~ s/\.pm$//;
3652	$k =~ s/\//::/g;
3653
3654	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
3655	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
3656	}	3680	}
3657		3681
3658	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
3659	}	3697	}
3660		3698
3661	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
3662	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3664		3702
3665	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
3666	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
3667	delete $INC{"cf/pod.pm"};	3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3668		3706
3669	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
3670	# and global variables created in xs	3708	# and global variables created in xs
3671	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
3672		3710
3673	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
3674		3712
3675	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
3676	require cf;	3714	require cf;
3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3678		3716
3679	warn "loading config and database again";	3717	warn "loading config and database again";
3680	cf::reload_config;	3718	cf::reload_config;
3681		3719
3682	warn "loading extensions";	3720	warn "loading extensions";
3683	cf::load_extensions;	3721	cf::load_extensions;
3684		3722
		3723	if ($REATTACH_ON_RELOAD) {
3685	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
3686	_global_reattach; # objects, sockets	3725	_global_reattach; # objects, sockets
3687	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
3688	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
3689	warn "reattaching attachments to players";	3728	warn "reattaching attachments to players";
3690	reattach $_ for values %PLAYER;	3729	reattach $_ for values %PLAYER;
		3730	}
3691		3731
		3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
		3734
3692	warn "leaving sync_job";	3735	warn "leaving sync_job";
3693		3736
3694	1	3737	1
3695	} or do {	3738	} or do {
3696	warn $@;	3739	warn $@;
3697	cf::cleanup "error while reloading, exiting.";	3740	cf::cleanup "error while reloading, exiting.";
3698	};	3741	};
3699		3742
3700	warn "reloaded";	3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
3701	};	3749	};
3702		3750
3703	our $RELOAD_WATCHER; # used only during reload	3751	our $RELOAD_WATCHER; # used only during reload
3704		3752
3705	sub reload_perl() {	3753	sub reload_perl() {
3706	# doing reload synchronously and two reloads happen back-to-back,	3754	# doing reload synchronously and two reloads happen back-to-back,
3707	# coro crashes during coro_state_free->destroy here.	3755	# coro crashes during coro_state_free->destroy here.
3708		3756
		3757	$RELOAD_WATCHER \|\|= cf::async {
		3758	Coro::AIO::aio_wait cache_extensions;
		3759
3709	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {	3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3710	do_reload_perl;	3761	do_reload_perl;
3711	undef $RELOAD_WATCHER;	3762	undef $RELOAD_WATCHER;
		3763	};
3712	};	3764	};
3713	}	3765	}
3714		3766
3715	register_command "reload" => sub {	3767	register_command "reload" => sub {
3716	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
…		…
3787	{	3839	{
3788	# configure BDB	3840	# configure BDB
3789		3841
3790	BDB::min_parallel 8;	3842	BDB::min_parallel 8;
3791	BDB::max_poll_reqs $TICK * 0.1;	3843	BDB::max_poll_reqs $TICK * 0.1;
3792	$Coro::BDB::WATCHER->priority (1);	3844	$AnyEvent::BDB::WATCHER->priority (1);
3793		3845
3794	unless ($DB_ENV) {	3846	unless ($DB_ENV) {
3795	$DB_ENV = BDB::db_env_create;	3847	$DB_ENV = BDB::db_env_create;
3796	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT);
3797	\| BDB::LOG_AUTOREMOVE, 1);	3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3798	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3799	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3800		3853
3801	cf::sync_job {	3854	cf::sync_job {
3802	eval {	3855	eval {
…		…
3828	{	3881	{
3829	# configure IO::AIO	3882	# configure IO::AIO
3830		3883
3831	IO::AIO::min_parallel 8;	3884	IO::AIO::min_parallel 8;
3832	IO::AIO::max_poll_time $TICK * 0.1;	3885	IO::AIO::max_poll_time $TICK * 0.1;
3833	$Coro::AIO::WATCHER->priority (1);	3886	undef $AnyEvent::AIO::WATCHER;
3834	}	3887	}
3835		3888
3836	my $_log_backtrace;	3889	my $_log_backtrace;
3837		3890
3838	sub _log_backtrace {	3891	sub _log_backtrace {
…		…
3841	$msg =~ s/\n//;	3894	$msg =~ s/\n//;
3842		3895
3843	# limit the # of concurrent backtraces	3896	# limit the # of concurrent backtraces
3844	if ($_log_backtrace < 2) {	3897	if ($_log_backtrace < 2) {
3845	++$_log_backtrace;	3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
3846	async {	3900	async {
3847	$Coro::current->{desc} = "abt $msg";	3901	$Coro::current->{desc} = "abt $msg";
3848		3902
3849	my @bt = fork_call {	3903	my @bt = fork_call {
3850	@addr = map { sprintf "%x", $_ } @addr;	3904	@addr = map { sprintf "%x", $_ } @addr;
…		…
3861	}	3915	}
3862		3916
3863	@funcs	3917	@funcs
3864	};	3918	};
3865		3919
3866	LOG llevInfo, "[ABT] $msg\n";	3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3867	LOG llevInfo, "[ABT] $_\n" for @bt;	3922	LOG llevInfo, "[ABT] $_\n" for @bt;
3868	--$_log_backtrace;	3923	--$_log_backtrace;
3869	};	3924	};
3870	} else {	3925	} else {
3871	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $msg\n";
3872	LOG llevInfo, "[ABT] [suppressed]\n";	3927	LOG llevInfo, "[ABT] [suppressed]\n";
3873	}	3928	}
3874	}	3929	}
3875		3930
3876	# load additional modules	3931	# load additional modules
3877	use cf::pod;	3932	require "cf/$_.pm" for @EXTRA_MODULES;
3878		3933
3879	END { cf::emergency_save }	3934	END { cf::emergency_save }
3880		3935
3881	1	3936	1
3882		3937

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC vs. Revision 1.469 by root, Mon Mar 2 22:25:19 2009 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC vs.
Revision 1.469 by root, Mon Mar 2 22:25:19 2009 UTC