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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.439 by root, Mon Jul 14 16:42:49 2008 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 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 1.6;	49	use Coro::BDB 1.6;
46	use Coro::Storable;	50	use Coro::Storable;
47	use Coro::Util ();	51	use Coro::Util ();
…		…
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		76
68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
69		79
70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
71		81
72	our %COMMAND = ();	82	our %COMMAND = ();
73	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
76	our %EXTCMD = ();	86	our %EXTCMD = ();
77	our %EXTICMD = ();	87	our %EXTICMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
80		90
81	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	92	our @EVENT;
83		93
84	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
85	our $DATADIR = datadir;	95	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
89	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
95	our %RESOURCE;	108	our %RESOURCE;
96		109
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	112	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		114
102	our $BDB_DEADLOCK_WATCHER;	115	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	116	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	118	our $DB_ENV;
106		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
		121
107	our %CFG;	122	our %CFG;
108		123
109	our $UPTIME; $UPTIME \|\|= time;	124	our $UPTIME; $UPTIME \|\|= time;
110	our $RUNTIME;	125	our $RUNTIME;
111	our $NOW;	126	our $NOW;
…		…
120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	137	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
124		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
125	binmode STDOUT;	145	binmode STDOUT;
126	binmode STDERR;	146	binmode STDERR;
127		147
128	# read virtual server time, if available	148	# read virtual server time, if available
129	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME \|\| !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
133	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
134		156
135	mkdir $_	157	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		159
138	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
243	for my $pkg (qw(	265	for my $pkg (qw(
244	cf::global cf::attachable	266	cf::global cf::attachable
245	cf::object cf::object::player	267	cf::object cf::object::player
246	cf::client cf::player	268	cf::client cf::player
247	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
248	cf::map cf::party cf::region	271	cf::party cf::region
249	)) {	272	)) {
250	no strict 'refs';
251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252	}	274	}
253		275
254	$EV::DIED = sub {	276	$EV::DIED = sub {
255	warn "error in event callback: @_";	277	warn "error in event callback: @_";
…		…
297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298		320
299	sub encode_json($) { $json_coder->encode ($_[0]) }	321	sub encode_json($) { $json_coder->encode ($_[0]) }
300	sub decode_json($) { $json_coder->decode ($_[0]) }	322	sub decode_json($) { $json_coder->decode ($_[0]) }
301		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
		337
302	=item cf::lock_wait $string	338	=item cf::lock_wait $string
303		339
304	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
305		341
306	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
307		343
308	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
310	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
311	returned.	347	returned.
312		348
313	Locks are not recursive, locking from the same coro twice results in a	349	Locks are not recursive, locking from the same coro twice results in a
314	deadlocked coro.	350	deadlocked coro.
…		…
320		356
321	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
322		358
323	=cut	359	=cut
324		360
325	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
326	our %LOCKER;#d#
327		362
328	sub lock_wait($) {	363	sub lock_wait($) {
329	my ($key) = @_;	364	$LOCKS->wait ($_[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} }, $Coro::current;
339	Coro::schedule;
340	}
341	}	365	}
342		366
343	sub lock_acquire($) {	367	sub lock_acquire($) {
344	my ($key) = @_;	368	$LOCKS->guard ($_[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	}	369	}
358		370
359	sub lock_active($) {	371	sub lock_active($) {
360	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
361
362	! ! $LOCK{$key}
363	}	373	}
364		374
365	sub freeze_mainloop {	375	sub freeze_mainloop {
366	tick_inhibit_inc;	376	tick_inhibit_inc;
367		377
368	Coro::guard \&tick_inhibit_dec;	378	&Guard::guard (\&tick_inhibit_dec);
369	}	379	}
370		380
371	=item cf::periodic $interval, $cb	381	=item cf::periodic $interval, $cb
372		382
373	Like EV::periodic, but randomly selects a starting point so that the actions	383	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
725		735
726	#############################################################################	736	#############################################################################
727		737
728	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
729		739
730	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
731	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
732	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
733		743
734	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
735	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
785	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
786		796
787	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
788	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
789		799
790	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
791	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
792		802
793	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
794		804
795	=over 4	805	=over 4
…		…
1086		1096
1087	sub reattach {	1097	sub reattach {
1088	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
1089	my ($obj) = @_;	1099	my ($obj) = @_;
1090		1100
		1101	# no longer needed after getting rid of delete_package?
1091	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1092		1103
1093	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
1094		1105
1095	@$registry = ();	1106	@$registry = ();
1096		1107
…		…
1144	$decname, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
1145		1156
1146	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
1147	aio_chmod $fh, SAVE_MODE;	1158	aio_chmod $fh, SAVE_MODE;
1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE \| IO::AIO::SYNC_FILE_RANGE_WRITE \| IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
1150	aio_close $fh;	1164	aio_close $fh;
1151		1165
1152	if (@$objs) {	1166	if (@$objs) {
1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
1154	aio_chmod $fh, SAVE_MODE;	1168	aio_chmod $fh, SAVE_MODE;
1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
1157	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE \| IO::AIO::SYNC_FILE_RANGE_WRITE \| IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
1158	aio_close $fh;	1175	aio_close $fh;
1159	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
1160	}	1177	}
1161	} else {	1178	} else {
1162	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1163	}	1180	}
1164		1181
1165	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
1166	} else {	1186	} else {
1167	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
1168	}	1188	}
1169	} else {	1189	} else {
1170	aio_unlink $filename;	1190	aio_unlink $filename;
1171	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1172	}	1192	}
…		…
1263	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
1264		1284
1265	$EXTICMD{$name} = $cb;	1285	$EXTICMD{$name} = $cb;
1266	}	1286	}
1267		1287
		1288	use File::Glob ();
		1289
1268	cf::player->attach (	1290	cf::player->attach (
1269	on_command => sub {	1291	on_command => sub {
1270	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
1271		1293
1272	my $cb = $COMMAND{$name}	1294	my $cb = $COMMAND{$name}
…		…
1304		1326
1305	cf::override;	1327	cf::override;
1306	},	1328	},
1307	);	1329	);
1308		1330
		1331	# "readahead" all extensions
		1332	sub cache_extensions {
		1333	my $grp = IO::AIO::aio_group;
		1334
		1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1336	for (grep /\.ext$/, @{$_[0]}) {
		1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1338	}
		1339	};
		1340
		1341	$grp
		1342	}
		1343
1309	sub load_extensions {	1344	sub load_extensions {
1310	cf::sync_job {	1345	cf::sync_job {
1311	my %todo;	1346	my %todo;
1312		1347
1313	for my $path (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
…		…
1332		1367
1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334	if $source =~ /\A#!.?perl.?#\s(.)$/m;	1369	if $source =~ /\A#!.?perl.?#\s(.)$/m;
1335		1370
1336	$ext{source} =	1371	$ext{source} =
1337	"package $pkg; use strict; use utf8;\n"	1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1338	. "#line 1 \"$path\"\n{\n"	1373	. "#line 1 \"$path\"\n{\n"
1339	. $source	1374	. $source
1340	. "\n};\n1";	1375	. "\n};\n1";
1341		1376
1342	$todo{$base} = \%ext;	1377	$todo{$base} = \%ext;
…		…
1382		1417
1383	=back	1418	=back
1384		1419
1385	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1386		1421
1387	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1388		1423
1389	=cut	1424	=cut
1390		1425
1391	package cf::player;	1426	package cf::player;
1392		1427
…		…
1435		1470
1436	sub exists($) {	1471	sub exists($) {
1437	my ($login) = @_;	1472	my ($login) = @_;
1438		1473
1439	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1440	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1441	}	1476	}
1442		1477
1443	sub find($) {	1478	sub find($) {
1444	return $cf::PLAYER{$_[0]} \|\| do {	1479	return $cf::PLAYER{$_[0]} \|\| do {
1445	my $login = $_[0];	1480	my $login = $_[0];
…		…
1520	my ($pl) = @_;	1555	my ($pl) = @_;
1521		1556
1522	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1523		1558
1524	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1525	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1526		1561
1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1528	$pl->deactivate;	1563	$pl->deactivate;
1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530	$pl->ob->check_score;	1565	$pl->ob->check_score;
…		…
1616	}	1651	}
1617		1652
1618	\@paths	1653	\@paths
1619	}	1654	}
1620		1655
1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622		1657
1623	Expand crossfire pod fragments into protocol xml.	1658	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		1659
1714	=item $player->ext_reply ($msgid, @msg)	1660	=item $player->ext_reply ($msgid, @msg)
1715		1661
1716	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1717		1663
…		…
1930		1876
1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1933	}	1879	}
1934		1880
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 $_->outdoor, values %cf::MAP;
1942	}
1943
1944	sub decay_objects {	1881	sub decay_objects {
1945	my ($self) = @_;	1882	my ($self) = @_;
1946		1883
1947	return if $self->{deny_reset};	1884	return if $self->{deny_reset};
1948		1885
…		…
2030	sub find {	1967	sub find {
2031	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
2032		1969
2033	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
2034		1971
2035	cf::lock_wait "map_data:$path";#d#remove	1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
2037		1974
2038	$cf::MAP{$path} \|\| do {	1975	$cf::MAP{$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	1976	my $map = new_from_path cf::map $path
2043	or return;	1977	or return;
2044		1978
2045	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
2046		1980
…		…
2113		2047
2114	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
2115	$self->decay_objects;	2049	$self->decay_objects;
2116	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
2117	$self->update_buttons;	2051	$self->update_buttons;
2118	cf::cede_to_tick;
2119	$self->set_darkness_map;
2120	cf::cede_to_tick;	2052	cf::cede_to_tick;
2121	$self->activate;	2053	$self->activate;
2122	}	2054	}
2123		2055
2124	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
…		…
2466		2398
2467	our $SAY_CHANNEL = {	2399	our $SAY_CHANNEL = {
2468	id => "say",	2400	id => "say",
2469	title => "Map",	2401	title => "Map",
2470	reply => "say ",	2402	reply => "say ",
2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472	};	2404	};
2473		2405
2474	our $CHAT_CHANNEL = {	2406	our $CHAT_CHANNEL = {
2475	id => "chat",	2407	id => "chat",
2476	title => "Chat",	2408	title => "Chat",
…		…
2531		2463
2532	=item $player_object->enter_link	2464	=item $player_object->enter_link
2533		2465
2534	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
2535		2467
2536	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
2537	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
2538		2472
2539	Will never block.	2473	Will never block.
2540		2474
2541	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2542		2476
…		…
2600		2534
2601	$map->load;	2535	$map->load;
2602	$map->load_neighbours;	2536	$map->load_neighbours;
2603		2537
2604	return unless $self->contr->active;	2538	return unless $self->contr->active;
2605	$self->activate_recursive;
2606		2539
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
		2542
		2543	# only activate afterwards, to support waiting in hooks
		2544	$self->activate_recursive;
2609	}	2545	}
2610		2546
2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2612		2548
2613	Moves the player to the given map-path and coordinates by first freezing	2549	Moves the player to the given map-path and coordinates by first freezing
…		…
2772	$self->contr->savebed ($map, $x, $y)	2708	$self->contr->savebed ($map, $x, $y)
2773	if $exit->flag (cf::FLAG_DAMNED);	2709	if $exit->flag (cf::FLAG_DAMNED);
2774		2710
2775	1	2711	1
2776	}) {	2712	}) {
2777	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2778	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2779	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2780	cf::NDI_UNIQUE \| cf::NDI_RED);	2716	cf::NDI_UNIQUE \| cf::NDI_RED);
2781		2717
2782	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2848	id => "infobox",	2784	id => "infobox",
2849	title => "Body Parts",	2785	title => "Body Parts",
2850	reply => undef,	2786	reply => undef,
2851	tooltip => "Shows which body parts you posess and are available",	2787	tooltip => "Shows which body parts you posess and are available",
2852	},	2788	},
		2789	"c/statistics" => {
		2790	id => "infobox",
		2791	title => "Statistics",
		2792	reply => undef,
		2793	tooltip => "Shows your primary statistics",
		2794	},
		2795	"c/skills" => {
		2796	id => "infobox",
		2797	title => "Skills",
		2798	reply => undef,
		2799	tooltip => "Shows your experience per skill and item power",
		2800	},
		2801	"c/shopitems" => {
		2802	id => "infobox",
		2803	title => "Shop Items",
		2804	reply => undef,
		2805	tooltip => "Shows the items currently for sale in this shop",
		2806	},
		2807	"c/resistances" => {
		2808	id => "infobox",
		2809	title => "Resistances",
		2810	reply => undef,
		2811	tooltip => "Shows your resistances",
		2812	},
		2813	"c/pets" => {
		2814	id => "infobox",
		2815	title => "Pets",
		2816	reply => undef,
		2817	tooltip => "Shows information abotu your pets/a specific pet",
		2818	},
		2819	"c/perceiveself" => {
		2820	id => "infobox",
		2821	title => "Perceive Self",
		2822	reply => undef,
		2823	tooltip => "You gained detailed knowledge about yourself",
		2824	},
2853	"c/uptime" => {	2825	"c/uptime" => {
2854	id => "infobox",	2826	id => "infobox",
2855	title => "Uptime",	2827	title => "Uptime",
2856	reply => undef,	2828	reply => undef,
2857	tooltip => "How long the server has been running since last restart",	2829	tooltip => "How long the server has been running since last restart",
…		…
2866	id => "party",	2838	id => "party",
2867	title => "Party",	2839	title => "Party",
2868	reply => "gsay ",	2840	reply => "gsay ",
2869	tooltip => "Messages and chat related to your party",	2841	tooltip => "Messages and chat related to your party",
2870	},	2842	},
		2843	"c/death" => {
		2844	id => "death",
		2845	title => "Death",
		2846	reply => undef,
		2847	tooltip => "Reason for and more info about your most recent death",
		2848	},
		2849	"c/say" => $SAY_CHANNEL,
		2850	"c/chat" => $CHAT_CHANNEL,
2871	);	2851	);
2872		2852
2873	sub cf::client::send_msg {	2853	sub cf::client::send_msg {
2874	my ($self, $channel, $msg, $color, @extra) = @_;	2854	my ($self, $channel, $msg, $color, @extra) = @_;
2875		2855
2876	$msg = $self->pl->expand_cfpod ($msg);	2856	$msg = $self->pl->expand_cfpod ($msg)
		2857	unless $color & cf::NDI_VERBATIM;
2877		2858
2878	$color &= cf::NDI_CLIENT_MASK; # just in case...	2859	$color &= cf::NDI_CLIENT_MASK; # just in case...
2879		2860
2880	# check predefined channels, for the benefit of C	2861	# check predefined channels, for the benefit of C
2881	if ($CHANNEL{$channel}) {	2862	if ($CHANNEL{$channel}) {
2882	$channel = $CHANNEL{$channel};	2863	$channel = $CHANNEL{$channel};
2883		2864
2884	$self->ext_msg (channel_info => $channel)	2865	$self->ext_msg (channel_info => $channel);
2885	if $self->can_msg;
2886
2887	$channel = $channel->{id};	2866	$channel = $channel->{id};
2888		2867
2889	} elsif (ref $channel) {	2868	} elsif (ref $channel) {
2890	# send meta info to client, if not yet sent	2869	# send meta info to client, if not yet sent
2891	unless (exists $self->{channel}{$channel->{id}}) {	2870	unless (exists $self->{channel}{$channel->{id}}) {
2892	$self->{channel}{$channel->{id}} = $channel;	2871	$self->{channel}{$channel->{id}} = $channel;
2893	$self->ext_msg (channel_info => $channel)	2872	$self->ext_msg (channel_info => $channel);
2894	if $self->can_msg;
2895	}	2873	}
2896		2874
2897	$channel = $channel->{id};	2875	$channel = $channel->{id};
2898	}	2876	}
2899		2877
2900	return unless @extra \|\| length $msg;	2878	return unless @extra \|\| length $msg;
2901		2879
2902	if ($self->can_msg) {
2903	# default colour, mask it out	2880	# default colour, mask it out
2904	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)	2881	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
2905	if $color & cf::NDI_DEF;	2882	if $color & cf::NDI_DEF;
2906		2883
2907	$self->send_packet ("msg " . $self->{json_coder}->encode (	2884	my $pkt = "msg "
		2885	. $self->{json_coder}->encode (
2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2886	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2909	} else {	2887	);
2910	if ($color >= 0) {
2911	# replace some tags by gcfclient-compatible ones
2912	for ($msg) {
2913	1 while
2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2915	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2916	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2917	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2918	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2919	}
2920		2888
2921	$color &= cf::NDI_COLOR_MASK;	2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
2922		2892
2923	utf8::encode $msg;	2893	# split very large packets
2924		2894	if (8192 < length $pkt and $self->{can_lzf}) {
2925	if (0 && $msg =~ /\[/) {	2895	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2926	# COMMAND/INFO	2896	$pkt = "frag";
2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
2928	} else {
2929	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
2930	$self->send_packet ("drawinfo $color $msg")
2931	}
2932	}
2933	}	2897	}
		2898
		2899	$self->send_packet ($pkt);
2934	}	2900	}
2935		2901
2936	=item $client->ext_msg ($type, @msg)	2902	=item $client->ext_msg ($type, @msg)
2937		2903
2938	Sends an ext event to the client.	2904	Sends an ext event to the client.
…		…
3113	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
3114		3080
3115	cf::object	3081	cf::object
3116	contr pay_amount pay_player map x y force_find force_add destroy	3082	contr pay_amount pay_player map x y force_find force_add destroy
3117	insert remove name archname title slaying race decrease split	3083	insert remove name archname title slaying race decrease split
		3084	value
3118		3085
3119	cf::object::player	3086	cf::object::player
3120	player	3087	player
3121		3088
3122	cf::player	3089	cf::player
…		…
3128	=cut	3095	=cut
3129		3096
3130	for (	3097	for (
3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3098	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3132	insert remove inv nrof name archname title slaying race	3099	insert remove inv nrof name archname title slaying race
3133	decrease split destroy change_exp)],	3100	decrease split destroy change_exp value msg lore send_msg)],
3134	["cf::object::player" => qw(player)],	3101	["cf::object::player" => qw(player)],
3135	["cf::player" => qw(peaceful)],	3102	["cf::player" => qw(peaceful send_msg)],
3136	["cf::map" => qw(trigger)],	3103	["cf::map" => qw(trigger)],
3137	) {	3104	) {
3138	no strict 'refs';	3105	no strict 'refs';
3139	my ($pkg, @funs) = @$_;	3106	my ($pkg, @funs) = @$_;
3140	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3107	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3157	my ($code, %vars) = @_;	3124	my ($code, %vars) = @_;
3158		3125
3159	my $qcode = $code;	3126	my $qcode = $code;
3160	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3127	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3161	$qcode =~ s/\n/\\n/g;	3128	$qcode =~ s/\n/\\n/g;
		3129
		3130	%vars = (_dummy => 0) unless %vars;
3162		3131
3163	local $_;	3132	local $_;
3164	local @safe::cf::_safe_eval_args = values %vars;	3133	local @safe::cf::_safe_eval_args = values %vars;
3165		3134
3166	my $eval =	3135	my $eval =
…		…
3396	reload_treasures;	3365	reload_treasures;
3397		3366
3398	warn "finished reloading resource files\n";	3367	warn "finished reloading resource files\n";
3399	}	3368	}
3400		3369
3401	sub init {
3402	my $guard = freeze_mainloop;
3403
3404	evthread_start IO::AIO::poll_fileno;
3405
3406	reload_resources;
3407	}
3408
3409	sub reload_config {	3370	sub reload_config {
3410	open my $fh, "<:utf8", "$CONFDIR/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
3411	or return;	3372	or return;
3412		3373
3413	local $/;	3374	local $/;
…		…
3425	};	3386	};
3426	warn $@ if $@;	3387	warn $@ if $@;
3427	}	3388	}
3428	}	3389	}
3429		3390
		3391	sub pidfile() {
		3392	sysopen my $fh, $PIDFILE, O_RDWR \| O_CREAT
		3393	or die "$PIDFILE: $!";
		3394	flock $fh, &Fcntl::LOCK_EX
		3395	or die "$PIDFILE: flock: $!";
		3396	$fh
		3397	}
		3398
		3399	# make sure only one server instance is running at any one time
		3400	sub atomic {
		3401	my $fh = pidfile;
		3402
		3403	my $pid = <$fh>;
		3404	kill 9, $pid if $pid > 0;
		3405
		3406	seek $fh, 0, 0;
		3407	print $fh $$;
		3408	}
		3409
		3410	sub main_loop {
		3411	warn "EV::loop starting\n";
		3412	if (1) {
		3413	EV::loop;
		3414	}
		3415	warn "EV::loop returned\n";
		3416	goto &main_loop unless $REALLY_UNLOOP;
		3417	}
		3418
3430	sub main {	3419	sub main {
		3420	cf::init_globals; # initialise logging
		3421
		3422	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3423	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3424	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3425	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3426
		3427	cf::init_experience;
		3428	cf::init_anim;
		3429	cf::init_attackmess;
		3430	cf::init_dynamic;
		3431
		3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433
3431	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
3432	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3434	(async {	3437	(async {
3435	$Coro::current->{desc} = "IDLE BUG HANDLER";	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
3436	EV::loop EV::LOOP_ONESHOT;	3439	EV::loop EV::LOOP_ONESHOT;
3437	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
3438	};	3441	};
3439		3442
3440	{	3443	evthread_start IO::AIO::poll_fileno;
3441	my $guard = freeze_mainloop;	3444
		3445	cf::sync_job {
		3446	reload_resources;
3442	reload_config;	3447	reload_config;
3443	db_init;	3448	db_init;
		3449
		3450	cf::load_settings;
		3451	cf::load_materials;
		3452	cf::init_uuid;
		3453	cf::init_signals;
		3454	cf::init_commands;
		3455	cf::init_skills;
		3456
		3457	cf::init_beforeplay;
		3458
		3459	atomic;
		3460
3444	load_extensions;	3461	load_extensions;
3445		3462
3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3463	utime time, time, $RUNTIMEFILE;
		3464
		3465	# no (long-running) fork's whatsoever before this point(!)
		3466	use POSIX ();
		3467	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3468
		3469	(pop @POST_INIT)->(0) while @POST_INIT;
3447	}	3470	};
3448		3471
3449	EV::loop;	3472	main_loop;
3450	}	3473	}
3451		3474
3452	#############################################################################	3475	#############################################################################
3453	# initialisation and cleanup	3476	# initialisation and cleanup
3454		3477
…		…
3461	};	3484	};
3462	}	3485	}
3463	}	3486	}
3464		3487
3465	sub write_runtime_sync {	3488	sub write_runtime_sync {
3466	my $runtime = "$LOCALDIR/runtime";
3467
3468	# first touch the runtime file to show we are still running:	3489	# first touch the runtime file to show we are still running:
3469	# the fsync below can take a very very long time.	3490	# the fsync below can take a very very long time.
3470		3491
3471	IO::AIO::aio_utime $runtime, undef, undef;	3492	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3472		3493
3473	my $guard = cf::lock_acquire "write_runtime";	3494	my $guard = cf::lock_acquire "write_runtime";
3474		3495
3475	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	3496	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY \| O_CREAT, 0644
3476	or return;	3497	or return;
3477		3498
3478	my $value = $cf::RUNTIME + 90 + 10;	3499	my $value = $cf::RUNTIME + 90 + 10;
3479	# 10 is the runtime save interval, for a monotonic clock	3500	# 10 is the runtime save interval, for a monotonic clock
3480	# 60 allows for the watchdog to kill the server.	3501	# 60 allows for the watchdog to kill the server.
…		…
3490	aio_utime $fh, undef, undef;	3511	aio_utime $fh, undef, undef;
3491		3512
3492	close $fh	3513	close $fh
3493	or return;	3514	or return;
3494		3515
3495	aio_rename "$runtime~", $runtime	3516	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3496	and return;	3517	and return;
3497		3518
3498	warn "runtime file written.\n";	3519	warn "runtime file written.\n";
3499		3520
3500	1	3521	1
…		…
3512	my $uuid = "$LOCALDIR/uuid";	3533	my $uuid = "$LOCALDIR/uuid";
3513		3534
3514	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644	3535	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
3515	or return;	3536	or return;
3516		3537
3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3538	my $value = uuid_seq uuid_cur;
		3539
		3540	unless ($value) {
		3541	warn "cowardly refusing to write zero uuid value!\n";
		3542	return;
		3543	}
		3544
		3545	my $value = uuid_str $value + $uuid_skip;
3518	$uuid_skip = 0;	3546	$uuid_skip = 0;
3519		3547
3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3548	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3521	and return;	3549	and return;
3522		3550
…		…
3544	}	3572	}
3545		3573
3546	sub emergency_save() {	3574	sub emergency_save() {
3547	my $freeze_guard = cf::freeze_mainloop;	3575	my $freeze_guard = cf::freeze_mainloop;
3548		3576
3549	warn "enter emergency perl save\n";	3577	warn "emergency_perl_save: enter\n";
3550		3578
3551	cf::sync_job {	3579	cf::sync_job {
		3580	# this is a trade-off: we want to be very quick here, so
		3581	# save all maps without fsync, and later call a global sync
		3582	# (which in turn might be very very slow)
		3583	local $USE_FSYNC = 0;
		3584
3552	# use a peculiar iteration method to avoid tripping on perl	3585	# use a peculiar iteration method to avoid tripping on perl
3553	# refcount bugs in for. also avoids problems with players	3586	# refcount bugs in for. also avoids problems with players
3554	# and maps saved/destroyed asynchronously.	3587	# and maps saved/destroyed asynchronously.
3555	warn "begin emergency player save\n";	3588	warn "emergency_perl_save: begin player save\n";
3556	for my $login (keys %cf::PLAYER) {	3589	for my $login (keys %cf::PLAYER) {
3557	my $pl = $cf::PLAYER{$login} or next;	3590	my $pl = $cf::PLAYER{$login} or next;
3558	$pl->valid or next;	3591	$pl->valid or next;
3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3592	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3560	$pl->save;	3593	$pl->save;
3561	}	3594	}
3562	warn "end emergency player save\n";	3595	warn "emergency_perl_save: end player save\n";
3563		3596
3564	warn "begin emergency map save\n";	3597	warn "emergency_perl_save: begin map save\n";
3565	for my $path (keys %cf::MAP) {	3598	for my $path (keys %cf::MAP) {
3566	my $map = $cf::MAP{$path} or next;	3599	my $map = $cf::MAP{$path} or next;
3567	$map->valid or next;	3600	$map->valid or next;
3568	$map->save;	3601	$map->save;
3569	}	3602	}
3570	warn "end emergency map save\n";	3603	warn "emergency_perl_save: end map save\n";
3571		3604
3572	warn "begin emergency database checkpoint\n";	3605	warn "emergency_perl_save: begin database checkpoint\n";
3573	BDB::db_env_txn_checkpoint $DB_ENV;	3606	BDB::db_env_txn_checkpoint $DB_ENV;
3574	warn "end emergency database checkpoint\n";	3607	warn "emergency_perl_save: end database checkpoint\n";
3575		3608
3576	warn "begin write uuid\n";	3609	warn "emergency_perl_save: begin write uuid\n";
3577	write_uuid_sync 1;	3610	write_uuid_sync 1;
3578	warn "end write uuid\n";	3611	warn "emergency_perl_save: end write uuid\n";
3579	};	3612	};
3580		3613
		3614	warn "emergency_perl_save: starting sync()\n";
		3615	IO::AIO::aio_sync sub {
		3616	warn "emergency_perl_save: finished sync()\n";
		3617	};
		3618
3581	warn "leave emergency perl save\n";	3619	warn "emergency_perl_save: leave\n";
3582	}	3620	}
3583		3621
3584	sub post_cleanup {	3622	sub post_cleanup {
3585	my ($make_core) = @_;	3623	my ($make_core) = @_;
3586		3624
3587	warn Carp::longmess "post_cleanup backtrace"	3625	warn Carp::longmess "post_cleanup backtrace"
3588	if $make_core;	3626	if $make_core;
		3627
		3628	my $fh = pidfile;
		3629	unlink $PIDFILE if <$fh> == $$;
		3630	}
		3631
		3632	# a safer delete_package, copied from Symbol
		3633	sub clear_package($) {
		3634	my $pkg = shift;
		3635
		3636	# expand to full symbol table name if needed
		3637	unless ($pkg =~ /^main::.*::$/) {
		3638	$pkg = "main$pkg" if $pkg =~ /^::/;
		3639	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3640	$pkg .= '::' unless $pkg =~ /::$/;
		3641	}
		3642
		3643	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3644	my $stem_symtab = *{$stem}{HASH};
		3645
		3646	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3647	or return;
		3648
		3649	# clear all symbols
		3650	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3651	for my $name (keys %$leaf_symtab) {
		3652	_gv_clear *{"$pkg$name"};
		3653	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3654	}
		3655	warn "cleared package $pkg\n";#d#
3589	}	3656	}
3590		3657
3591	sub do_reload_perl() {	3658	sub do_reload_perl() {
3592	# can/must only be called in main	3659	# can/must only be called in main
3593	if ($Coro::current != $Coro::main) {	3660	if ($Coro::current != $Coro::main) {
3594	warn "can only reload from main coroutine";	3661	warn "can only reload from main coroutine";
3595	return;	3662	return;
3596	}	3663	}
3597		3664
		3665	return if $RELOAD++;
		3666
		3667	my $t1 = EV::time;
		3668
		3669	while ($RELOAD) {
3598	warn "reloading...";	3670	warn "reloading...";
3599		3671
3600	warn "entering sync_job";	3672	warn "entering sync_job";
3601		3673
3602	cf::sync_job {	3674	cf::sync_job {
3603	cf::write_runtime_sync; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
3604	cf::emergency_save;	3676	cf::emergency_save;
3605	cf::write_runtime_sync; # external watchdog should not bark	3677	cf::write_runtime_sync; # external watchdog should not bark
3606		3678
3607	warn "syncing database to disk";	3679	warn "syncing database to disk";
3608	BDB::db_env_txn_checkpoint $DB_ENV;	3680	BDB::db_env_txn_checkpoint $DB_ENV;
3609		3681
3610	# if anything goes wrong in here, we should simply crash as we already saved	3682	# if anything goes wrong in here, we should simply crash as we already saved
3611		3683
3612	warn "flushing outstanding aio requests";	3684	warn "flushing outstanding aio requests";
3613	for (;;) {
3614	BDB::flush;
3615	IO::AIO::flush;
3616	Coro::cede_notself;
3617	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3685	while (IO::AIO::nreqs \|\| BDB::nreqs) {
3618	warn "iterate...";	3686	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3619	}
3620
3621	++$RELOAD;
3622
3623	warn "cancelling all extension coros";
3624	$_->cancel for values %EXT_CORO;
3625	%EXT_CORO = ();
3626
3627	warn "removing commands";
3628	%COMMAND = ();
3629
3630	warn "removing ext/exti commands";
3631	%EXTCMD = ();
3632	%EXTICMD = ();
3633
3634	warn "unloading/nuking all extensions";
3635	for my $pkg (@EXTS) {
3636	warn "... unloading $pkg";
3637
3638	if (my $cb = $pkg->can ("unload")) {
3639	eval {
3640	$cb->($pkg);
3641	1
3642	} or warn "$pkg unloaded, but with errors: $@";
3643	}	3687	}
3644		3688
3645	warn "... nuking $pkg";	3689	warn "cancelling all extension coros";
3646	Symbol::delete_package $pkg;	3690	$_->cancel for values %EXT_CORO;
3647	}	3691	%EXT_CORO = ();
3648		3692
3649	warn "unloading all perl modules loaded from $LIBDIR";	3693	warn "removing commands";
3650	while (my ($k, $v) = each %INC) {	3694	%COMMAND = ();
3651	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3652		3695
		3696	warn "removing ext/exti commands";
		3697	%EXTCMD = ();
		3698	%EXTICMD = ();
		3699
		3700	warn "unloading/nuking all extensions";
		3701	for my $pkg (@EXTS) {
3653	warn "... unloading $k";	3702	warn "... unloading $pkg";
3654	delete $INC{$k};
3655		3703
3656	$k =~ s/\.pm$//;
3657	$k =~ s/\//::/g;
3658
3659	if (my $cb = $k->can ("unload_module")) {	3704	if (my $cb = $pkg->can ("unload")) {
		3705	eval {
3660	$cb->();	3706	$cb->($pkg);
		3707	1
		3708	} or warn "$pkg unloaded, but with errors: $@";
		3709	}
		3710
		3711	warn "... clearing $pkg";
		3712	clear_package $pkg;
3661	}	3713	}
3662		3714
3663	Symbol::delete_package $k;	3715	warn "unloading all perl modules loaded from $LIBDIR";
		3716	while (my ($k, $v) = each %INC) {
		3717	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3718
		3719	warn "... unloading $k";
		3720	delete $INC{$k};
		3721
		3722	$k =~ s/\.pm$//;
		3723	$k =~ s/\//::/g;
		3724
		3725	if (my $cb = $k->can ("unload_module")) {
		3726	$cb->();
		3727	}
		3728
		3729	clear_package $k;
3664	}	3730	}
3665		3731
3666	warn "getting rid of safe::, as good as possible";	3732	warn "getting rid of safe::, as good as possible";
3667	Symbol::delete_package "safe::$_"	3733	clear_package "safe::$_"
3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3734	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3669		3735
3670	warn "unloading cf.pm \"a bit\"";	3736	warn "unloading cf.pm \"a bit\"";
3671	delete $INC{"cf.pm"};	3737	delete $INC{"cf.pm"};
3672	delete $INC{"cf/pod.pm"};	3738	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3673		3739
3674	# don't, removes xs symbols, too,	3740	# don't, removes xs symbols, too,
3675	# and global variables created in xs	3741	# and global variables created in xs
3676	#Symbol::delete_package __PACKAGE__;	3742	#clear_package __PACKAGE__;
3677		3743
3678	warn "unload completed, starting to reload now";	3744	warn "unload completed, starting to reload now";
3679		3745
3680	warn "reloading cf.pm";	3746	warn "reloading cf.pm";
3681	require cf;	3747	require cf;
3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3748	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3683		3749
3684	warn "loading config and database again";	3750	warn "loading config and database again";
3685	cf::reload_config;	3751	cf::reload_config;
3686		3752
3687	warn "loading extensions";	3753	warn "loading extensions";
3688	cf::load_extensions;	3754	cf::load_extensions;
3689		3755
		3756	if ($REATTACH_ON_RELOAD) {
3690	warn "reattaching attachments to objects/players";	3757	warn "reattaching attachments to objects/players";
3691	_global_reattach; # objects, sockets	3758	_global_reattach; # objects, sockets
3692	warn "reattaching attachments to maps";	3759	warn "reattaching attachments to maps";
3693	reattach $_ for values %MAP;	3760	reattach $_ for values %MAP;
3694	warn "reattaching attachments to players";	3761	warn "reattaching attachments to players";
3695	reattach $_ for values %PLAYER;	3762	reattach $_ for values %PLAYER;
		3763	}
3696		3764
		3765	warn "running post_init jobs";
		3766	(pop @POST_INIT)->(1) while @POST_INIT;
		3767
3697	warn "leaving sync_job";	3768	warn "leaving sync_job";
3698		3769
3699	1	3770	1
3700	} or do {	3771	} or do {
3701	warn $@;	3772	warn $@;
3702	cf::cleanup "error while reloading, exiting.";	3773	cf::cleanup "error while reloading, exiting.";
3703	};	3774	};
3704		3775
3705	warn "reloaded";	3776	warn "reloaded";
		3777	--$RELOAD;
		3778	}
		3779
		3780	$t1 = EV::time - $t1;
		3781	warn "reload completed in ${t1}s\n";
3706	};	3782	};
3707		3783
3708	our $RELOAD_WATCHER; # used only during reload	3784	our $RELOAD_WATCHER; # used only during reload
3709		3785
3710	sub reload_perl() {	3786	sub reload_perl() {
3711	# doing reload synchronously and two reloads happen back-to-back,	3787	# doing reload synchronously and two reloads happen back-to-back,
3712	# coro crashes during coro_state_free->destroy here.	3788	# coro crashes during coro_state_free->destroy here.
3713		3789
		3790	$RELOAD_WATCHER \|\|= cf::async {
		3791	Coro::AIO::aio_wait cache_extensions;
		3792
3714	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {	3793	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3715	do_reload_perl;	3794	do_reload_perl;
3716	undef $RELOAD_WATCHER;	3795	undef $RELOAD_WATCHER;
		3796	};
3717	};	3797	};
3718	}	3798	}
3719		3799
3720	register_command "reload" => sub {	3800	register_command "reload" => sub {
3721	my ($who, $arg) = @_;	3801	my ($who, $arg) = @_;
…		…
3847	$msg =~ s/\n//;	3927	$msg =~ s/\n//;
3848		3928
3849	# limit the # of concurrent backtraces	3929	# limit the # of concurrent backtraces
3850	if ($_log_backtrace < 2) {	3930	if ($_log_backtrace < 2) {
3851	++$_log_backtrace;	3931	++$_log_backtrace;
		3932	my $perl_bt = Carp::longmess $msg;
3852	async {	3933	async {
3853	$Coro::current->{desc} = "abt $msg";	3934	$Coro::current->{desc} = "abt $msg";
3854		3935
3855	my @bt = fork_call {	3936	my @bt = fork_call {
3856	@addr = map { sprintf "%x", $_ } @addr;	3937	@addr = map { sprintf "%x", $_ } @addr;
…		…
3867	}	3948	}
3868		3949
3869	@funcs	3950	@funcs
3870	};	3951	};
3871		3952
3872	LOG llevInfo, "[ABT] $msg\n";	3953	LOG llevInfo, "[ABT] $perl_bt\n";
		3954	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3873	LOG llevInfo, "[ABT] $_\n" for @bt;	3955	LOG llevInfo, "[ABT] $_\n" for @bt;
3874	--$_log_backtrace;	3956	--$_log_backtrace;
3875	};	3957	};
3876	} else {	3958	} else {
3877	LOG llevInfo, "[ABT] $msg\n";	3959	LOG llevInfo, "[ABT] $msg\n";
3878	LOG llevInfo, "[ABT] [suppressed]\n";	3960	LOG llevInfo, "[ABT] [suppressed]\n";
3879	}	3961	}
3880	}	3962	}
3881		3963
3882	# load additional modules	3964	# load additional modules
3883	use cf::pod;	3965	require "cf/$_.pm" for @EXTRA_MODULES;
3884		3966
3885	END { cf::emergency_save }	3967	END { cf::emergency_save }
3886		3968
3887	1	3969	1
3888		3970

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.439 by root, Mon Jul 14 16:42:49 2008 UTC vs. Revision 1.476 by root, Wed Sep 2 16:54:20 2009 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.439 by root, Mon Jul 14 16:42:49 2008 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 2009 UTC