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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.435 by root, Thu May 29 03:33:20 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;	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 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
39	use Coro::AnyEvent;	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;
43	use Coro::AnyEvent;	47	use Coro::AnyEvent;
44	use Coro::AIO;	48	use Coro::AIO;
45	use Coro::BDB;	49	use Coro::BDB 1.6;
46	use Coro::Storable;	50	use Coro::Storable;
47	use Coro::Util ();	51	use Coro::Util ();
48		52
49	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
50	use BDB ();	54	use BDB ();
…		…
61		65
62	# configure various modules to our taste	66	# configure various modules to our taste
63	#	67	#
64	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
65	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";
66	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
67
68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
69		76
70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
71		78
72	our %COMMAND = ();	79	our %COMMAND = ();
73	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
76	our %EXTCMD = ();	83	our %EXTCMD = ();
77	our %EXTICMD = ();	84	our %EXTICMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
80		87
81	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	89	our @EVENT;
83		90
84	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
85	our $DATADIR = datadir;	92	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
89	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
95	our %RESOURCE;	105	our %RESOURCE;
96		106
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	109	our $NEXT_TICK;
…		…
102	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	115	our $DB_ENV;
106		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
107	our %CFG;	119	our %CFG;
108		120
109	our $UPTIME; $UPTIME \|\|= time;	121	our $UPTIME; $UPTIME \|\|= time;
110	our $RUNTIME;	122	our $RUNTIME;
111	our $NOW;	123	our $NOW;
…		…
120	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)
121	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	134	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
124		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
125	binmode STDOUT;	141	binmode STDOUT;
126	binmode STDERR;	142	binmode STDERR;
127		143
128	# read virtual server time, if available	144	# read virtual server time, if available
129	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME \|\| !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
133	}	149	}
134		150
135	mkdir $_	151	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
243	for my $pkg (qw(	259	for my $pkg (qw(
244	cf::global cf::attachable	260	cf::global cf::attachable
245	cf::object cf::object::player	261	cf::object cf::object::player
246	cf::client cf::player	262	cf::client cf::player
247	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
248	cf::map cf::party cf::region	265	cf::party cf::region
249	)) {	266	)) {
250	no strict 'refs';
251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252	}	268	}
253		269
254	$EV::DIED = sub {	270	$EV::DIED = sub {
255	warn "error in event callback: @_";	271	warn "error in event callback: @_";
…		…
297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298		314
299	sub encode_json($) { $json_coder->encode ($_[0]) }	315	sub encode_json($) { $json_coder->encode ($_[0]) }
300	sub decode_json($) { $json_coder->decode ($_[0]) }	316	sub decode_json($) { $json_coder->decode ($_[0]) }
301		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
302	=item cf::lock_wait $string	332	=item cf::lock_wait $string
303		333
304	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
305		335
306	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
307		337
308	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
309	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,
310	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
311	returned.	341	returned.
312		342
313	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
314	deadlocked coro.	344	deadlocked coro.
…		…
320		350
321	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.
322		352
323	=cut	353	=cut
324		354
325	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
326	our %LOCKER;#d#
327		356
328	sub lock_wait($) {	357	sub lock_wait($) {
329	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
330
331	if ($LOCKER{$key} == $Coro::current) {#d#
332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333	return;#d#
334	}#d#
335
336	# wait for lock, if any
337	while ($LOCK{$key}) {
338	push @{ $LOCK{$key} }, $Coro::current;
339	Coro::schedule;
340	}
341	}	359	}
342		360
343	sub lock_acquire($) {	361	sub lock_acquire($) {
344	my ($key) = @_;	362	$LOCKS->guard ($_[0])
345
346	# wait, to be sure we are not locked
347	lock_wait $key;
348
349	$LOCK{$key} = [];
350	$LOCKER{$key} = $Coro::current;#d#
351
352	Coro::guard {
353	delete $LOCKER{$key};#d#
354	# wake up all waiters, to be on the safe side
355	$_->ready for @{ delete $LOCK{$key} };
356	}
357	}	363	}
358		364
359	sub lock_active($) {	365	sub lock_active($) {
360	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
361
362	! ! $LOCK{$key}
363	}	367	}
364		368
365	sub freeze_mainloop {	369	sub freeze_mainloop {
366	tick_inhibit_inc;	370	tick_inhibit_inc;
367		371
368	Coro::guard \&tick_inhibit_dec;	372	&Guard::guard (\&tick_inhibit_dec);
369	}	373	}
370		374
371	=item cf::periodic $interval, $cb	375	=item cf::periodic $interval, $cb
372		376
373	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
…		…
725		729
726	#############################################################################	730	#############################################################################
727		731
728	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
729		733
730	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
731	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")
732	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
733		737
734	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>
735	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
…		…
785	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
786		790
787	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
788	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
789		793
790	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
791	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
792		796
793	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
794		798
795	=over 4	799	=over 4
…		…
1086		1090
1087	sub reattach {	1091	sub reattach {
1088	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
1089	my ($obj) = @_;	1093	my ($obj) = @_;
1090		1094
		1095	# no longer needed after getting rid of delete_package?
1091	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
1092		1097
1093	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
1094		1099
1095	@$registry = ();	1100	@$registry = ();
1096		1101
…		…
1161	} else {	1166	} else {
1162	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
1163	}	1168	}
1164		1169
1165	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
1166	} else {	1174	} else {
1167	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
1168	}	1176	}
1169	} else {	1177	} else {
1170	aio_unlink $filename;	1178	aio_unlink $filename;
1171	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1172	}	1180	}
…		…
1263	my ($name, $cb) = @_;	1271	my ($name, $cb) = @_;
1264		1272
1265	$EXTICMD{$name} = $cb;	1273	$EXTICMD{$name} = $cb;
1266	}	1274	}
1267		1275
		1276	use File::Glob ();
		1277
1268	cf::player->attach (	1278	cf::player->attach (
1269	on_command => sub {	1279	on_command => sub {
1270	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
1271		1281
1272	my $cb = $COMMAND{$name}	1282	my $cb = $COMMAND{$name}
…		…
1304		1314
1305	cf::override;	1315	cf::override;
1306	},	1316	},
1307	);	1317	);
1308		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
1309	sub load_extensions {	1332	sub load_extensions {
1310	cf::sync_job {	1333	cf::sync_job {
1311	my %todo;	1334	my %todo;
1312		1335
1313	for my $path (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
…		…
1332		1355
1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334	if $source =~ /\A#!.?perl.?#\s(.)$/m;	1357	if $source =~ /\A#!.?perl.?#\s(.)$/m;
1335		1358
1336	$ext{source} =	1359	$ext{source} =
1337	"package $pkg; use strict; use utf8;\n"	1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1338	. "#line 1 \"$path\"\n{\n"	1361	. "#line 1 \"$path\"\n{\n"
1339	. $source	1362	. $source
1340	. "\n};\n1";	1363	. "\n};\n1";
1341		1364
1342	$todo{$base} = \%ext;	1365	$todo{$base} = \%ext;
…		…
1382		1405
1383	=back	1406	=back
1384		1407
1385	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1386		1409
1387	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1388		1411
1389	=cut	1412	=cut
1390		1413
1391	package cf::player;	1414	package cf::player;
1392		1415
…		…
1435		1458
1436	sub exists($) {	1459	sub exists($) {
1437	my ($login) = @_;	1460	my ($login) = @_;
1438		1461
1439	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1440	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1441	}	1464	}
1442		1465
1443	sub find($) {	1466	sub find($) {
1444	return $cf::PLAYER{$_[0]} \|\| do {	1467	return $cf::PLAYER{$_[0]} \|\| do {
1445	my $login = $_[0];	1468	my $login = $_[0];
…		…
1520	my ($pl) = @_;	1543	my ($pl) = @_;
1521		1544
1522	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1523		1546
1524	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1525	$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
1526		1549
1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1528	$pl->deactivate;	1551	$pl->deactivate;
1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530	$pl->ob->check_score;	1553	$pl->ob->check_score;
…		…
1616	}	1639	}
1617		1640
1618	\@paths	1641	\@paths
1619	}	1642	}
1620		1643
1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622		1645
1623	Expand crossfire pod fragments into protocol xml.	1646	Expand deliantra pod fragments into protocol xml.
1624
1625	=cut
1626
1627	use re 'eval';
1628
1629	my $group;
1630	my $interior; $interior = qr{
1631	# match a pod interior sequence sans C<< >>
1632	(?:
1633	\ (.*?)\ (?{ $group = $^N })
1634	\| < (??{$interior}) >
1635	)
1636	}x;
1637
1638	sub expand_cfpod {
1639	my ($self, $pod) = @_;
1640
1641	my $xml;
1642
1643	while () {
1644	if ($pod =~ /\G( (?: [^BCGHITU]+ \| .(?!<) )+ )/xgcs) {
1645	$group = $1;
1646
1647	$group =~ s/&/&/g;
1648	$group =~ s/</</g;
1649
1650	$xml .= $group;
1651	} elsif ($pod =~ m%\G
1652	([BCGHITU])
1653	<
1654	(?:
1655	([^<>]*) (?{ $group = $^N })
1656	\| < $interior >
1657	)
1658	>
1659	%gcsx
1660	) {
1661	my ($code, $data) = ($1, $group);
1662
1663	if ($code eq "B") {
1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665	} elsif ($code eq "I") {
1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667	} elsif ($code eq "U") {
1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669	} elsif ($code eq "C") {
1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671	} elsif ($code eq "T") {
1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673	} elsif ($code eq "G") {
1674	my ($male, $female) = split /\\|/, $data;
1675	$data = $self->gender ? $female : $male;
1676	$xml .= expand_cfpod ($self, $data);
1677	} elsif ($code eq "H") {
1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680	"")
1681	[$self->{hintmode}];
1682	} else {
1683	$xml .= "error processing '$code($data)' directive";
1684	}
1685	} else {
1686	if ($pod =~ /\G(.+)/) {
1687	warn "parse error while expanding $pod (at $1)";
1688	}
1689	last;
1690	}
1691	}
1692
1693	for ($xml) {
1694	# create single paragraphs (very hackish)
1695	s/(?<=\S)\n(?=\w)/ /g;
1696
1697	# compress some whitespace
1698	s/\s+\n/\n/g; # ws line-ends
1699	s/\n\n+/\n/g; # double lines
1700	s/^\n+//; # beginning lines
1701	s/\n+$//; # ending lines
1702	}
1703
1704	$xml
1705	}
1706
1707	no re 'eval';
1708
1709	sub hintmode {
1710	$_[0]{hintmode} = $_[1] if @_ > 1;
1711	$_[0]{hintmode}
1712	}
1713		1647
1714	=item $player->ext_reply ($msgid, @msg)	1648	=item $player->ext_reply ($msgid, @msg)
1715		1649
1716	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1717		1651
…		…
1930		1864
1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1933	}	1867	}
1934		1868
1935	# and all this just because we cannot iterate over
1936	# all maps in C++...
1937	sub change_all_map_light {
1938	my ($change) = @_;
1939
1940	$_->change_map_light ($change)
1941	for grep $_->outdoor, values %cf::MAP;
1942	}
1943
1944	sub decay_objects {	1869	sub decay_objects {
1945	my ($self) = @_;	1870	my ($self) = @_;
1946		1871
1947	return if $self->{deny_reset};	1872	return if $self->{deny_reset};
1948		1873
…		…
2030	sub find {	1955	sub find {
2031	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
2032		1957
2033	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
2034		1959
2035	cf::lock_wait "map_data:$path";#d#remove	1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
2037		1962
2038	$cf::MAP{$path} \|\| do {	1963	$cf::MAP{$path} \|\| do {
2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040	my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
2043	or return;	1965	or return;
2044		1966
2045	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
2046		1968
…		…
2086	my $f = new_from_file cf::object::thawer $self->{load_path};	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
2087	$f->skip_block;	2009	$f->skip_block;
2088	$self->_load_objects ($f)	2010	$self->_load_objects ($f)
2089	or return;	2011	or return;
2090		2012
2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
2092	if delete $self->{load_original};	2014	if delete $self->{load_original};
2093		2015
2094	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
2095	utf8::encode $uniq;	2017	utf8::encode $uniq;
2096	unless (aio_stat $uniq) {	2018	unless (aio_stat $uniq) {
…		…
2113		2035
2114	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
2115	$self->decay_objects;	2037	$self->decay_objects;
2116	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
2117	$self->update_buttons;	2039	$self->update_buttons;
2118	cf::cede_to_tick;
2119	$self->set_darkness_map;
2120	cf::cede_to_tick;	2040	cf::cede_to_tick;
2121	$self->activate;	2041	$self->activate;
2122	}	2042	}
2123		2043
2124	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
…		…
2531		2451
2532	=item $player_object->enter_link	2452	=item $player_object->enter_link
2533		2453
2534	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}>).
2535		2455
2536	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.
2537	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.
2538		2460
2539	Will never block.	2461	Will never block.
2540		2462
2541	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2542		2464
…		…
2600		2522
2601	$map->load;	2523	$map->load;
2602	$map->load_neighbours;	2524	$map->load_neighbours;
2603		2525
2604	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2605	$self->activate_recursive;	2528	$self->activate_recursive;
2606		2529
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2609	}	2532	}
…		…
2613	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
2614	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2615	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
2616	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
2617	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 >>.
2618		2544
2619	=cut	2545	=cut
2620		2546
2621	our $GOTOGEN;	2547	our $GOTOGEN;
2622		2548
…		…
2769	$self->contr->savebed ($map, $x, $y)	2695	$self->contr->savebed ($map, $x, $y)
2770	if $exit->flag (cf::FLAG_DAMNED);	2696	if $exit->flag (cf::FLAG_DAMNED);
2771		2697
2772	1	2698	1
2773	}) {	2699	}) {
2774	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2775	. "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. "
2776	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2777	cf::NDI_UNIQUE \| cf::NDI_RED);	2703	cf::NDI_UNIQUE \| cf::NDI_RED);
2778		2704
2779	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2845	id => "infobox",	2771	id => "infobox",
2846	title => "Body Parts",	2772	title => "Body Parts",
2847	reply => undef,	2773	reply => undef,
2848	tooltip => "Shows which body parts you posess and are available",	2774	tooltip => "Shows which body parts you posess and are available",
2849	},	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	},
2850	"c/uptime" => {	2800	"c/uptime" => {
2851	id => "infobox",	2801	id => "infobox",
2852	title => "Uptime",	2802	title => "Uptime",
2853	reply => undef,	2803	reply => undef,
2854	tooltip => "How long the server has been running since last restart",	2804	tooltip => "How long the server has been running since last restart",
…		…
2863	id => "party",	2813	id => "party",
2864	title => "Party",	2814	title => "Party",
2865	reply => "gsay ",	2815	reply => "gsay ",
2866	tooltip => "Messages and chat related to your party",	2816	tooltip => "Messages and chat related to your party",
2867	},	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" => $CHAT_CHANNEL,
2868	);	2826	);
2869		2827
2870	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2871	my ($self, $channel, $msg, $color, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2872		2830
2873	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
2874		2833
2875	$color &= cf::NDI_CLIENT_MASK; # just in case...	2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
2876		2835
2877	# check predefined channels, for the benefit of C	2836	# check predefined channels, for the benefit of C
2878	if ($CHANNEL{$channel}) {	2837	if ($CHANNEL{$channel}) {
2879	$channel = $CHANNEL{$channel};	2838	$channel = $CHANNEL{$channel};
2880		2839
2881	$self->ext_msg (channel_info => $channel)	2840	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883
2884	$channel = $channel->{id};	2841	$channel = $channel->{id};
2885		2842
2886	} elsif (ref $channel) {	2843	} elsif (ref $channel) {
2887	# send meta info to client, if not yet sent	2844	# send meta info to client, if not yet sent
2888	unless (exists $self->{channel}{$channel->{id}}) {	2845	unless (exists $self->{channel}{$channel->{id}}) {
2889	$self->{channel}{$channel->{id}} = $channel;	2846	$self->{channel}{$channel->{id}} = $channel;
2890	$self->ext_msg (channel_info => $channel)	2847	$self->ext_msg (channel_info => $channel);
2891	if $self->can_msg;
2892	}	2848	}
2893		2849
2894	$channel = $channel->{id};	2850	$channel = $channel->{id};
2895	}	2851	}
2896		2852
2897	return unless @extra \|\| length $msg;	2853	return unless @extra \|\| length $msg;
2898		2854
2899	if ($self->can_msg) {
2900	# default colour, mask it out	2855	# default colour, mask it out
2901	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)	2856	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
2902	if $color & cf::NDI_DEF;	2857	if $color & cf::NDI_DEF;
2903		2858
2904	$self->send_packet ("msg " . $self->{json_coder}->encode (	2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2906	} else {	2862	);
2907	if ($color >= 0) {
2908	# replace some tags by gcfclient-compatible ones
2909	for ($msg) {
2910	1 while
2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916	}
2917		2863
2918	$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};
2919		2867
2920	utf8::encode $msg;	2868	# split very large packets
2921		2869	if (8192 < length $pkt and $self->{can_lzf}) {
2922	if (0 && $msg =~ /\[/) {	2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2923	# COMMAND/INFO	2871	$pkt = "frag";
2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
2925	} else {
2926	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
2927	$self->send_packet ("drawinfo $color $msg")
2928	}
2929	}
2930	}	2872	}
		2873
		2874	$self->send_packet ($pkt);
2931	}	2875	}
2932		2876
2933	=item $client->ext_msg ($type, @msg)	2877	=item $client->ext_msg ($type, @msg)
2934		2878
2935	Sends an ext event to the client.	2879	Sends an ext event to the client.
…		…
3110	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
3111		3055
3112	cf::object	3056	cf::object
3113	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
3114	insert remove name archname title slaying race decrease split	3058	insert remove name archname title slaying race decrease split
		3059	value
3115		3060
3116	cf::object::player	3061	cf::object::player
3117	player	3062	player
3118		3063
3119	cf::player	3064	cf::player
…		…
3125	=cut	3070	=cut
3126		3071
3127	for (	3072	for (
3128	["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
3129	insert remove inv nrof name archname title slaying race	3074	insert remove inv nrof name archname title slaying race
3130	decrease split destroy)],	3075	decrease split destroy change_exp value msg lore send_msg)],
3131	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
3132	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
3133	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
3134	) {	3079	) {
3135	no strict 'refs';	3080	no strict 'refs';
3136	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
3137	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3154	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
3155		3100
3156	my $qcode = $code;	3101	my $qcode = $code;
3157	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3158	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
3159		3106
3160	local $_;	3107	local $_;
3161	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
3162		3109
3163	my $eval =	3110	my $eval =
…		…
3393	reload_treasures;	3340	reload_treasures;
3394		3341
3395	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3396	}	3343	}
3397		3344
3398	sub init {
3399	my $guard = freeze_mainloop;
3400
3401	evthread_start IO::AIO::poll_fileno;
3402
3403	reload_resources;
3404	}
3405
3406	sub reload_config {	3345	sub reload_config {
3407	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
3408	or return;	3347	or return;
3409		3348
3410	local $/;	3349	local $/;
…		…
3422	};	3361	};
3423	warn $@ if $@;	3362	warn $@ if $@;
3424	}	3363	}
3425	}	3364	}
3426		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
3427	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
3428	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
3429	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
3430	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#
3431	(async {	3403	(async {
3432	$Coro::current->{desc} = "IDLE BUG HANDLER";	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
3433	EV::loop EV::LOOP_ONESHOT;	3405	EV::loop EV::LOOP_ONESHOT;
3434	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
3435	};	3407	};
3436		3408
3437	{	3409	evthread_start IO::AIO::poll_fileno;
3438	my $guard = freeze_mainloop;	3410
		3411	cf::sync_job {
		3412	reload_resources;
3439	reload_config;	3413	reload_config;
3440	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
3441	load_extensions;	3427	load_extensions;
3442		3428
3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3429	utime time, time, $RUNTIMEFILE;
		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;
3444	}	3435	};
3445		3436
3446	EV::loop;	3437	EV::loop;
3447	}	3438	}
3448		3439
3449	#############################################################################	3440	#############################################################################
…		…
3458	};	3449	};
3459	}	3450	}
3460	}	3451	}
3461		3452
3462	sub write_runtime_sync {	3453	sub write_runtime_sync {
3463	my $runtime = "$LOCALDIR/runtime";
3464
3465	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3466	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3467		3456
3468	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3469		3458
3470	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3471		3460
3472	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY \| O_CREAT, 0644
3473	or return;	3462	or return;
3474		3463
3475	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3476	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3477	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3487	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3488		3477
3489	close $fh	3478	close $fh
3490	or return;	3479	or return;
3491		3480
3492	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3493	and return;	3482	and return;
3494		3483
3495	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3496		3485
3497	1	3486	1
…		…
3509	my $uuid = "$LOCALDIR/uuid";	3498	my $uuid = "$LOCALDIR/uuid";
3510		3499
3511	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644	3500	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
3512	or return;	3501	or return;
3513		3502
3514	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;
3515	$uuid_skip = 0;	3511	$uuid_skip = 0;
3516		3512
3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3518	and return;	3514	and return;
3519		3515
…		…
3541	}	3537	}
3542		3538
3543	sub emergency_save() {	3539	sub emergency_save() {
3544	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3545		3541
3546	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3547		3543
3548	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
3549	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3550	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3551	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3552	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3553	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3554	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3555	$pl->valid or next;	3556	$pl->valid or next;
3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3557	$pl->save;	3558	$pl->save;
3558	}	3559	}
3559	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3560		3561
3561	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3562	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3563	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3564	$map->valid or next;	3565	$map->valid or next;
3565	$map->save;	3566	$map->save;
3566	}	3567	}
3567	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3568		3569
3569	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3570	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3571	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
3572		3573
3573	warn "begin write uuid\n";	3574	warn "emergency_perl_save: begin write uuid\n";
3574	write_uuid_sync 1;	3575	write_uuid_sync 1;
3575	warn "end write uuid\n";	3576	warn "emergency_perl_save: end write uuid\n";
3576	};	3577	};
3577		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
3578	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3579	}	3585	}
3580		3586
3581	sub post_cleanup {	3587	sub post_cleanup {
3582	my ($make_core) = @_;	3588	my ($make_core) = @_;
3583		3589
3584	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3585	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 $pkg\n";#d#
3586	}	3621	}
3587		3622
3588	sub do_reload_perl() {	3623	sub do_reload_perl() {
3589	# can/must only be called in main	3624	# can/must only be called in main
3590	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3591	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3592	return;	3627	return;
3593	}	3628	}
3594		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3595	warn "reloading...";	3635	warn "reloading...";
3596		3636
3597	warn "entering sync_job";	3637	warn "entering sync_job";
3598		3638
3599	cf::sync_job {	3639	cf::sync_job {
3600	cf::write_runtime_sync; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3601	cf::emergency_save;	3641	cf::emergency_save;
3602	cf::write_runtime_sync; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3603		3643
3604	warn "syncing database to disk";	3644	warn "syncing database to disk";
3605	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3606		3646
3607	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
3608		3648
3609	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3610	for (;;) {
3611	BDB::flush;
3612	IO::AIO::flush;
3613	Coro::cede_notself;
3614	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3650	while (IO::AIO::nreqs \|\| BDB::nreqs) {
3615	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3616	}
3617
3618	++$RELOAD;
3619
3620	warn "cancelling all extension coros";
3621	$_->cancel for values %EXT_CORO;
3622	%EXT_CORO = ();
3623
3624	warn "removing commands";
3625	%COMMAND = ();
3626
3627	warn "removing ext/exti commands";
3628	%EXTCMD = ();
3629	%EXTICMD = ();
3630
3631	warn "unloading/nuking all extensions";
3632	for my $pkg (@EXTS) {
3633	warn "... unloading $pkg";
3634
3635	if (my $cb = $pkg->can ("unload")) {
3636	eval {
3637	$cb->($pkg);
3638	1
3639	} or warn "$pkg unloaded, but with errors: $@";
3640	}	3652	}
3641		3653
3642	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3643	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3644	}	3656	%EXT_CORO = ();
3645		3657
3646	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3647	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3648	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3649		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3650	warn "... unloading $k";	3667	warn "... unloading $pkg";
3651	delete $INC{$k};
3652		3668
3653	$k =~ s/\.pm$//;
3654	$k =~ s/\//::/g;
3655
3656	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3657	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3658	}	3678	}
3659		3679
3660	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 $k;
3661	}	3695	}
3662		3696
3663	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3664	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3665	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);
3666		3700
3667	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3668	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3669	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3670		3704
3671	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3672	# and global variables created in xs	3706	# and global variables created in xs
3673	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3674		3708
3675	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3676		3710
3677	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3678	require cf;	3712	require cf;
3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3680		3714
3681	warn "loading config and database again";	3715	warn "loading config and database again";
3682	cf::reload_config;	3716	cf::reload_config;
3683		3717
3684	warn "loading extensions";	3718	warn "loading extensions";
3685	cf::load_extensions;	3719	cf::load_extensions;
3686		3720
		3721	if ($REATTACH_ON_RELOAD) {
3687	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3688	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3689	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3690	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3691	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3692	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3693		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3694	warn "leaving sync_job";	3733	warn "leaving sync_job";
3695		3734
3696	1	3735	1
3697	} or do {	3736	} or do {
3698	warn $@;	3737	warn $@;
3699	cf::cleanup "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3700	};	3739	};
3701		3740
3702	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3703	};	3747	};
3704		3748
3705	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3706		3750
3707	sub reload_perl() {	3751	sub reload_perl() {
3708	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3709	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3710		3754
		3755	$RELOAD_WATCHER \|\|= cf::async {
		3756	Coro::AIO::aio_wait cache_extensions;
		3757
3711	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3712	do_reload_perl;	3759	do_reload_perl;
3713	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
		3761	};
3714	};	3762	};
3715	}	3763	}
3716		3764
3717	register_command "reload" => sub {	3765	register_command "reload" => sub {
3718	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
…		…
3793	BDB::max_poll_reqs $TICK * 0.1;	3841	BDB::max_poll_reqs $TICK * 0.1;
3794	$AnyEvent::BDB::WATCHER->priority (1);	3842	$AnyEvent::BDB::WATCHER->priority (1);
3795		3843
3796	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3797	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT);
3799	\| 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;
3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802		3851
3803	cf::sync_job {	3852	cf::sync_job {
3804	eval {	3853	eval {
…		…
3843	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3844		3893
3845	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3846	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3847	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3848	async {	3898	async {
3849	$Coro::current->{desc} = "abt $msg";	3899	$Coro::current->{desc} = "abt $msg";
3850		3900
3851	my @bt = fork_call {	3901	my @bt = fork_call {
3852	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
…		…
3863	}	3913	}
3864		3914
3865	@funcs	3915	@funcs
3866	};	3916	};
3867		3917
3868	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3869	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3870	--$_log_backtrace;	3921	--$_log_backtrace;
3871	};	3922	};
3872	} else {	3923	} else {
3873	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3874	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3875	}	3926	}
3876	}	3927	}
3877		3928
3878	# load additional modules	3929	# load additional modules
3879	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3880		3931
3881	END { cf::emergency_save }	3932	END { cf::emergency_save }
3882		3933
3883	1	3934	1
3884		3935

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.435 by root, Thu May 29 03:33:20 2008 UTC vs. Revision 1.466 by root, Thu Jan 8 03:03:24 2009 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.435 by root, Thu May 29 03:33:20 2008 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 2009 UTC