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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 2009 UTC

…		…
19	# The authors can be reached via e-mail to <support@deliantra.net>	19	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	20	#
21		21
22	package cf;	22	package cf;
23		23
		24	use 5.10.0;
24	use utf8;	25	use utf8;
25	use strict;	26	use strict qw(vars subs);
26		27
27	use Symbol;	28	use Symbol;
28	use List::Util;	29	use List::Util;
29	use Socket;	30	use Socket;
30	use EV 3.2;	31	use EV;
31	use Opcode;	32	use Opcode;
32	use Safe;	33	use Safe;
33	use Safe::Hole;	34	use Safe::Hole;
34	use Storable ();	35	use Storable ();
35		36
		37	use Guard ();
36	use Coro 4.50 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;	56	use Digest::MD5;
52	use Fcntl;	57	use Fcntl;
53	use YAML ();	58	use YAML ();
54	use IO::AIO 2.51 ();	59	use IO::AIO ();
55	use Time::HiRes;	60	use Time::HiRes;
56	use Compress::LZF;	61	use Compress::LZF;
57	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
58		65
59	# configure various modules to our taste	66	# configure various modules to our taste
60	#	67	#
61	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		76
65	$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" };
66		79
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		81
69	our %COMMAND = ();	82	our %COMMAND = ();
70	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	86	our %EXTCMD = ();
74	our %EXTICMD = ();	87	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
77		90
78	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	92	our @EVENT;
80		93
81	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	95	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
92	our %RESOURCE;	108	our %RESOURCE;
93		109
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	112	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		114
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	115	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	116	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	118	our $DB_ENV;
105		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
		121
106	our %CFG;	122	our %CFG;
107		123
108	our $UPTIME; $UPTIME \|\|= time;	124	our $UPTIME; $UPTIME \|\|= time;
109	our $RUNTIME;	125	our $RUNTIME;
110	our $NOW;	126	our $NOW;
…		…
119	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)
120	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	137	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
123		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
124	binmode STDOUT;	145	binmode STDOUT;
125	binmode STDERR;	146	binmode STDERR;
126		147
127	# read virtual server time, if available	148	# read virtual server time, if available
128	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME \|\| !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
132	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
133		156
134	mkdir $_	157	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		159
137	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
242	for my $pkg (qw(	265	for my $pkg (qw(
243	cf::global cf::attachable	266	cf::global cf::attachable
244	cf::object cf::object::player	267	cf::object cf::object::player
245	cf::client cf::player	268	cf::client cf::player
246	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
247	cf::map cf::party cf::region	271	cf::party cf::region
248	)) {	272	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	274	}
252		275
253	$EV::DIED = sub {	276	$EV::DIED = sub {
254	warn "error in event callback: @_";	277	warn "error in event callback: @_";
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		320
298	sub encode_json($) { $json_coder->encode ($_[0]) }	321	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	322	sub decode_json($) { $json_coder->decode ($_[0]) }
300		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
301	=item cf::lock_wait $string	338	=item cf::lock_wait $string
302		339
303	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
304		341
305	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
306		343
307	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
308	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,
309	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
310	returned.	347	returned.
311		348
312	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
313	deadlocked coro.	350	deadlocked coro.
…		…
319		356
320	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.
321		358
322	=cut	359	=cut
323		360
324	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		362
327	sub lock_wait($) {	363	sub lock_wait($) {
328	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	365	}
341		366
342	sub lock_acquire($) {	367	sub lock_acquire($) {
343	my ($key) = @_;	368	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	369	}
357		370
358	sub lock_active($) {	371	sub lock_active($) {
359	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	373	}
363		374
364	sub freeze_mainloop {	375	sub freeze_mainloop {
365	tick_inhibit_inc;	376	tick_inhibit_inc;
366		377
367	Coro::guard \&tick_inhibit_dec;	378	&Guard::guard (\&tick_inhibit_dec);
368	}	379	}
369		380
370	=item cf::periodic $interval, $cb	381	=item cf::periodic $interval, $cb
371		382
372	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
…		…
724		735
725	#############################################################################	736	#############################################################################
726		737
727	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
728		739
729	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
730	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")
731	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
732		743
733	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>
734	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
…		…
784	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
785		796
786	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
788		799
789	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
791		802
792	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
793		804
794	=over 4	805	=over 4
…		…
1085		1096
1086	sub reattach {	1097	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1099	my ($obj) = @_;
1089		1100
		1101	# no longer needed after getting rid of delete_package?
1090	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
1091		1103
1092	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
1093		1105
1094	@$registry = ();	1106	@$registry = ();
1095		1107
…		…
1143	$decname, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
1144		1156
1145	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
1146	aio_chmod $fh, SAVE_MODE;	1158	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	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	}
1149	aio_close $fh;	1164	aio_close $fh;
1150		1165
1151	if (@$objs) {	1166	if (@$objs) {
1152	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) {
1153	aio_chmod $fh, SAVE_MODE;	1168	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
1156	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	}
1157	aio_close $fh;	1175	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1177	}
1160	} else {	1178	} else {
1161	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1162	}	1180	}
1163		1181
1164	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1186	} else {
1166	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
1167	}	1188	}
1168	} else {	1189	} else {
1169	aio_unlink $filename;	1190	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1171	}	1192	}
…		…
1262	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
1263		1284
1264	$EXTICMD{$name} = $cb;	1285	$EXTICMD{$name} = $cb;
1265	}	1286	}
1266		1287
		1288	use File::Glob ();
		1289
1267	cf::player->attach (	1290	cf::player->attach (
1268	on_command => sub {	1291	on_command => sub {
1269	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
1270		1293
1271	my $cb = $COMMAND{$name}	1294	my $cb = $COMMAND{$name}
…		…
1303		1326
1304	cf::override;	1327	cf::override;
1305	},	1328	},
1306	);	1329	);
1307		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
1308	sub load_extensions {	1344	sub load_extensions {
1309	cf::sync_job {	1345	cf::sync_job {
1310	my %todo;	1346	my %todo;
1311		1347
1312	for my $path (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
…		…
1331		1367
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.?perl.?#\s(.)$/m;	1369	if $source =~ /\A#!.?perl.?#\s(.)$/m;
1334		1370
1335	$ext{source} =	1371	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337	. "#line 1 \"$path\"\n{\n"	1373	. "#line 1 \"$path\"\n{\n"
1338	. $source	1374	. $source
1339	. "\n};\n1";	1375	. "\n};\n1";
1340		1376
1341	$todo{$base} = \%ext;	1377	$todo{$base} = \%ext;
…		…
1381		1417
1382	=back	1418	=back
1383		1419
1384	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1385		1421
1386	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1387		1423
1388	=cut	1424	=cut
1389		1425
1390	package cf::player;	1426	package cf::player;
1391		1427
…		…
1434		1470
1435	sub exists($) {	1471	sub exists($) {
1436	my ($login) = @_;	1472	my ($login) = @_;
1437		1473
1438	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1440	}	1476	}
1441		1477
1442	sub find($) {	1478	sub find($) {
1443	return $cf::PLAYER{$_[0]} \|\| do {	1479	return $cf::PLAYER{$_[0]} \|\| do {
1444	my $login = $_[0];	1480	my $login = $_[0];
…		…
1519	my ($pl) = @_;	1555	my ($pl) = @_;
1520		1556
1521	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1522		1558
1523	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1524	$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
1525		1561
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527	$pl->deactivate;	1563	$pl->deactivate;
1528	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;
1529	$pl->ob->check_score;	1565	$pl->ob->check_score;
…		…
1615	}	1651	}
1616		1652
1617	\@paths	1653	\@paths
1618	}	1654	}
1619		1655
1620	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1621		1657
1622	Expand crossfire pod fragments into protocol xml.	1658	Expand deliantra pod fragments into protocol xml.
1623
1624	=cut
1625
1626	use re 'eval';
1627
1628	my $group;
1629	my $interior; $interior = qr{
1630	# match a pod interior sequence sans C<< >>
1631	(?:
1632	\ (.*?)\ (?{ $group = $^N })
1633	\| < (??{$interior}) >
1634	)
1635	}x;
1636
1637	sub expand_cfpod {
1638	my ($self, $pod) = @_;
1639
1640	my $xml;
1641
1642	while () {
1643	if ($pod =~ /\G( (?: [^BCGHITU]+ \| .(?!<) )+ )/xgcs) {
1644	$group = $1;
1645
1646	$group =~ s/&/&/g;
1647	$group =~ s/</</g;
1648
1649	$xml .= $group;
1650	} elsif ($pod =~ m%\G
1651	([BCGHITU])
1652	<
1653	(?:
1654	([^<>]*) (?{ $group = $^N })
1655	\| < $interior >
1656	)
1657	>
1658	%gcsx
1659	) {
1660	my ($code, $data) = ($1, $group);
1661
1662	if ($code eq "B") {
1663	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1664	} elsif ($code eq "I") {
1665	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1666	} elsif ($code eq "U") {
1667	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1668	} elsif ($code eq "C") {
1669	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1670	} elsif ($code eq "T") {
1671	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1672	} elsif ($code eq "G") {
1673	my ($male, $female) = split /\\|/, $data;
1674	$data = $self->gender ? $female : $male;
1675	$xml .= expand_cfpod ($self, $data);
1676	} elsif ($code eq "H") {
1677	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1678	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1679	"")
1680	[$self->{hintmode}];
1681	} else {
1682	$xml .= "error processing '$code($data)' directive";
1683	}
1684	} else {
1685	if ($pod =~ /\G(.+)/) {
1686	warn "parse error while expanding $pod (at $1)";
1687	}
1688	last;
1689	}
1690	}
1691
1692	for ($xml) {
1693	# create single paragraphs (very hackish)
1694	s/(?<=\S)\n(?=\w)/ /g;
1695
1696	# compress some whitespace
1697	s/\s+\n/\n/g; # ws line-ends
1698	s/\n\n+/\n/g; # double lines
1699	s/^\n+//; # beginning lines
1700	s/\n+$//; # ending lines
1701	}
1702
1703	$xml
1704	}
1705
1706	no re 'eval';
1707
1708	sub hintmode {
1709	$_[0]{hintmode} = $_[1] if @_ > 1;
1710	$_[0]{hintmode}
1711	}
1712		1659
1713	=item $player->ext_reply ($msgid, @msg)	1660	=item $player->ext_reply ($msgid, @msg)
1714		1661
1715	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1716		1663
…		…
1929		1876
1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1931	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1932	}	1879	}
1933		1880
1934	# and all this just because we cannot iterate over
1935	# all maps in C++...
1936	sub change_all_map_light {
1937	my ($change) = @_;
1938
1939	$_->change_map_light ($change)
1940	for grep $_->outdoor, values %cf::MAP;
1941	}
1942
1943	sub decay_objects {	1881	sub decay_objects {
1944	my ($self) = @_;	1882	my ($self) = @_;
1945		1883
1946	return if $self->{deny_reset};	1884	return if $self->{deny_reset};
1947		1885
…		…
2029	sub find {	1967	sub find {
2030	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
2031		1969
2032	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
2033		1971
2034	cf::lock_wait "map_data:$path";#d#remove	1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2035	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
2036		1974
2037	$cf::MAP{$path} \|\| do {	1975	$cf::MAP{$path} \|\| do {
2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2039	my $guard2 = cf::lock_acquire "map_find:$path";
2040
2041	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
2042	or return;	1977	or return;
2043		1978
2044	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
2045		1980
…		…
2085	my $f = new_from_file cf::object::thawer $self->{load_path};	2020	my $f = new_from_file cf::object::thawer $self->{load_path};
2086	$f->skip_block;	2021	$f->skip_block;
2087	$self->_load_objects ($f)	2022	$self->_load_objects ($f)
2088	or return;	2023	or return;
2089		2024
2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
2091	if delete $self->{load_original};	2026	if delete $self->{load_original};
2092		2027
2093	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
2094	utf8::encode $uniq;	2029	utf8::encode $uniq;
2095	unless (aio_stat $uniq) {	2030	unless (aio_stat $uniq) {
…		…
2112		2047
2113	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
2114	$self->decay_objects;	2049	$self->decay_objects;
2115	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
2116	$self->update_buttons;	2051	$self->update_buttons;
2117	cf::cede_to_tick;
2118	$self->set_darkness_map;
2119	cf::cede_to_tick;	2052	cf::cede_to_tick;
2120	$self->activate;	2053	$self->activate;
2121	}	2054	}
2122		2055
2123	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
…		…
2465		2398
2466	our $SAY_CHANNEL = {	2399	our $SAY_CHANNEL = {
2467	id => "say",	2400	id => "say",
2468	title => "Map",	2401	title => "Map",
2469	reply => "say ",	2402	reply => "say ",
2470	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.",
2471	};	2404	};
2472		2405
2473	our $CHAT_CHANNEL = {	2406	our $CHAT_CHANNEL = {
2474	id => "chat",	2407	id => "chat",
2475	title => "Chat",	2408	title => "Chat",
…		…
2530		2463
2531	=item $player_object->enter_link	2464	=item $player_object->enter_link
2532		2465
2533	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}>).
2534		2467
2535	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.
2536	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.
2537		2472
2538	Will never block.	2473	Will never block.
2539		2474
2540	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2541		2476
…		…
2599		2534
2600	$map->load;	2535	$map->load;
2601	$map->load_neighbours;	2536	$map->load_neighbours;
2602		2537
2603	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2604	$self->activate_recursive;	2540	$self->activate_recursive;
2605		2541
2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2607	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
2608	}	2544	}
…		…
2612	Moves the player to the given map-path and coordinates by first freezing	2548	Moves the player to the given map-path and coordinates by first freezing
2613	her, loading and preparing them map, calling the provided $check callback	2549	her, loading and preparing them map, calling the provided $check callback
2614	that has to return the map if sucecssful, and then unfreezes the player on	2550	that has to return the map if sucecssful, and then unfreezes the player on
2615	the new (success) or old (failed) map position. In either case, $done will	2551	the new (success) or old (failed) map position. In either case, $done will
2616	be called at the end of this process.	2552	be called at the end of this process.
		2553
		2554	Note that $check will be called with a potentially non-loaded map, so if
		2555	it needs a loaded map it has to call C<< ->load >>.
2617		2556
2618	=cut	2557	=cut
2619		2558
2620	our $GOTOGEN;	2559	our $GOTOGEN;
2621		2560
…		…
2768	$self->contr->savebed ($map, $x, $y)	2707	$self->contr->savebed ($map, $x, $y)
2769	if $exit->flag (cf::FLAG_DAMNED);	2708	if $exit->flag (cf::FLAG_DAMNED);
2770		2709
2771	1	2710	1
2772	}) {	2711	}) {
2773	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2774	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
2775	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2776	cf::NDI_UNIQUE \| cf::NDI_RED);	2715	cf::NDI_UNIQUE \| cf::NDI_RED);
2777		2716
2778	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2844	id => "infobox",	2783	id => "infobox",
2845	title => "Body Parts",	2784	title => "Body Parts",
2846	reply => undef,	2785	reply => undef,
2847	tooltip => "Shows which body parts you posess and are available",	2786	tooltip => "Shows which body parts you posess and are available",
2848	},	2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
2849	"c/uptime" => {	2824	"c/uptime" => {
2850	id => "infobox",	2825	id => "infobox",
2851	title => "Uptime",	2826	title => "Uptime",
2852	reply => undef,	2827	reply => undef,
2853	tooltip => "How long the server has been running since last restart",	2828	tooltip => "How long the server has been running since last restart",
…		…
2862	id => "party",	2837	id => "party",
2863	title => "Party",	2838	title => "Party",
2864	reply => "gsay ",	2839	reply => "gsay ",
2865	tooltip => "Messages and chat related to your party",	2840	tooltip => "Messages and chat related to your party",
2866	},	2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
2867	);	2850	);
2868		2851
2869	sub cf::client::send_msg {	2852	sub cf::client::send_msg {
2870	my ($self, $channel, $msg, $color, @extra) = @_;	2853	my ($self, $channel, $msg, $color, @extra) = @_;
2871		2854
2872	$msg = $self->pl->expand_cfpod ($msg);	2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
2873		2857
2874	$color &= cf::NDI_CLIENT_MASK; # just in case...	2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
2875		2859
2876	# check predefined channels, for the benefit of C	2860	# check predefined channels, for the benefit of C
2877	if ($CHANNEL{$channel}) {	2861	if ($CHANNEL{$channel}) {
2878	$channel = $CHANNEL{$channel};	2862	$channel = $CHANNEL{$channel};
2879		2863
2880	$self->ext_msg (channel_info => $channel)	2864	$self->ext_msg (channel_info => $channel);
2881	if $self->can_msg;
2882
2883	$channel = $channel->{id};	2865	$channel = $channel->{id};
2884		2866
2885	} elsif (ref $channel) {	2867	} elsif (ref $channel) {
2886	# send meta info to client, if not yet sent	2868	# send meta info to client, if not yet sent
2887	unless (exists $self->{channel}{$channel->{id}}) {	2869	unless (exists $self->{channel}{$channel->{id}}) {
2888	$self->{channel}{$channel->{id}} = $channel;	2870	$self->{channel}{$channel->{id}} = $channel;
2889	$self->ext_msg (channel_info => $channel)	2871	$self->ext_msg (channel_info => $channel);
2890	if $self->can_msg;
2891	}	2872	}
2892		2873
2893	$channel = $channel->{id};	2874	$channel = $channel->{id};
2894	}	2875	}
2895		2876
2896	return unless @extra \|\| length $msg;	2877	return unless @extra \|\| length $msg;
2897		2878
2898	if ($self->can_msg) {
2899	# default colour, mask it out	2879	# default colour, mask it out
2900	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)	2880	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
2901	if $color & cf::NDI_DEF;	2881	if $color & cf::NDI_DEF;
2902		2882
2903	$self->send_packet ("msg " . $self->{json_coder}->encode (	2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
2904	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2905	} else {	2886	);
2906	if ($color >= 0) {
2907	# replace some tags by gcfclient-compatible ones
2908	for ($msg) {
2909	1 while
2910	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2911	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2912	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2913	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2914	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2915	}
2916		2887
2917	$color &= cf::NDI_COLOR_MASK;	2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
2918		2891
2919	utf8::encode $msg;	2892	# split very large packets
2920		2893	if (8192 < length $pkt and $self->{can_lzf}) {
2921	if (0 && $msg =~ /\[/) {	2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2922	# COMMAND/INFO	2895	$pkt = "frag";
2923	$self->send_packet ("drawextinfo $color 10 8 $msg")
2924	} else {
2925	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
2926	$self->send_packet ("drawinfo $color $msg")
2927	}
2928	}
2929	}	2896	}
		2897
		2898	$self->send_packet ($pkt);
2930	}	2899	}
2931		2900
2932	=item $client->ext_msg ($type, @msg)	2901	=item $client->ext_msg ($type, @msg)
2933		2902
2934	Sends an ext event to the client.	2903	Sends an ext event to the client.
…		…
3109	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
3110		3079
3111	cf::object	3080	cf::object
3112	contr pay_amount pay_player map x y force_find force_add destroy	3081	contr pay_amount pay_player map x y force_find force_add destroy
3113	insert remove name archname title slaying race decrease split	3082	insert remove name archname title slaying race decrease split
		3083	value
3114		3084
3115	cf::object::player	3085	cf::object::player
3116	player	3086	player
3117		3087
3118	cf::player	3088	cf::player
…		…
3124	=cut	3094	=cut
3125		3095
3126	for (	3096	for (
3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3128	insert remove inv nrof name archname title slaying race	3098	insert remove inv nrof name archname title slaying race
3129	decrease split destroy)],	3099	decrease split destroy change_exp value msg lore send_msg)],
3130	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
3131	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
3132	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
3133	) {	3103	) {
3134	no strict 'refs';	3104	no strict 'refs';
3135	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
3136	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3153	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
3154		3124
3155	my $qcode = $code;	3125	my $qcode = $code;
3156	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3157	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
3158		3130
3159	local $_;	3131	local $_;
3160	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
3161		3133
3162	my $eval =	3134	my $eval =
…		…
3392	reload_treasures;	3364	reload_treasures;
3393		3365
3394	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
3395	}	3367	}
3396		3368
3397	sub init {
3398	my $guard = freeze_mainloop;
3399
3400	reload_resources;
3401	}
3402
3403	sub reload_config {	3369	sub reload_config {
3404	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
3405	or return;	3371	or return;
3406		3372
3407	local $/;	3373	local $/;
…		…
3419	};	3385	};
3420	warn $@ if $@;	3386	warn $@ if $@;
3421	}	3387	}
3422	}	3388	}
3423		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR \| O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
3424	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
3425	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
3426	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
3427	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3428	(async {	3436	(async {
3429	$Coro::current->{desc} = "IDLE BUG HANDLER";	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
3430	EV::loop EV::LOOP_ONESHOT;	3438	EV::loop EV::LOOP_ONESHOT;
3431	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
3432	};	3440	};
3433		3441
3434	{	3442	evthread_start IO::AIO::poll_fileno;
3435	my $guard = freeze_mainloop;	3443
		3444	cf::sync_job {
		3445	reload_resources;
3436	reload_config;	3446	reload_config;
3437	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
3438	load_extensions;	3460	load_extensions;
3439		3461
3440	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3462	utime time, time, $RUNTIMEFILE;
3441	evthread_start IO::AIO::poll_fileno;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
3442	}	3468	};
3443		3469
3444	EV::loop;	3470	main_loop;
3445	}	3471	}
3446		3472
3447	#############################################################################	3473	#############################################################################
3448	# initialisation and cleanup	3474	# initialisation and cleanup
3449		3475
…		…
3456	};	3482	};
3457	}	3483	}
3458	}	3484	}
3459		3485
3460	sub write_runtime_sync {	3486	sub write_runtime_sync {
3461	my $runtime = "$LOCALDIR/runtime";
3462
3463	# first touch the runtime file to show we are still running:	3487	# first touch the runtime file to show we are still running:
3464	# the fsync below can take a very very long time.	3488	# the fsync below can take a very very long time.
3465		3489
3466	IO::AIO::aio_utime $runtime, undef, undef;	3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3467		3491
3468	my $guard = cf::lock_acquire "write_runtime";	3492	my $guard = cf::lock_acquire "write_runtime";
3469		3493
3470	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY \| O_CREAT, 0644
3471	or return;	3495	or return;
3472		3496
3473	my $value = $cf::RUNTIME + 90 + 10;	3497	my $value = $cf::RUNTIME + 90 + 10;
3474	# 10 is the runtime save interval, for a monotonic clock	3498	# 10 is the runtime save interval, for a monotonic clock
3475	# 60 allows for the watchdog to kill the server.	3499	# 60 allows for the watchdog to kill the server.
…		…
3485	aio_utime $fh, undef, undef;	3509	aio_utime $fh, undef, undef;
3486		3510
3487	close $fh	3511	close $fh
3488	or return;	3512	or return;
3489		3513
3490	aio_rename "$runtime~", $runtime	3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3491	and return;	3515	and return;
3492		3516
3493	warn "runtime file written.\n";	3517	warn "runtime file written.\n";
3494		3518
3495	1	3519	1
…		…
3507	my $uuid = "$LOCALDIR/uuid";	3531	my $uuid = "$LOCALDIR/uuid";
3508		3532
3509	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644	3533	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
3510	or return;	3534	or return;
3511		3535
3512	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
3513	$uuid_skip = 0;	3544	$uuid_skip = 0;
3514		3545
3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3516	and return;	3547	and return;
3517		3548
…		…
3539	}	3570	}
3540		3571
3541	sub emergency_save() {	3572	sub emergency_save() {
3542	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
3543		3574
3544	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
3545		3576
3546	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
3547	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
3548	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
3549	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
3550	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
3551	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
3552	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
3553	$pl->valid or next;	3589	$pl->valid or next;
3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3555	$pl->save;	3591	$pl->save;
3556	}	3592	}
3557	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
3558		3594
3559	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
3560	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
3561	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
3562	$map->valid or next;	3598	$map->valid or next;
3563	$map->save;	3599	$map->save;
3564	}	3600	}
3565	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
3566		3602
3567	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
3568	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
3569	warn "end emergency database checkpoint\n";	3605	warn "emergency_perl_save: end database checkpoint\n";
3570		3606
3571	warn "begin write uuid\n";	3607	warn "emergency_perl_save: begin write uuid\n";
3572	write_uuid_sync 1;	3608	write_uuid_sync 1;
3573	warn "end write uuid\n";	3609	warn "emergency_perl_save: end write uuid\n";
3574	};	3610	};
3575		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
3576	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
3577	}	3618	}
3578		3619
3579	sub post_cleanup {	3620	sub post_cleanup {
3580	my ($make_core) = @_;	3621	my ($make_core) = @_;
3581		3622
3582	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
3583	if $make_core;	3624	if $make_core;
		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
3584	}	3654	}
3585		3655
3586	sub do_reload_perl() {	3656	sub do_reload_perl() {
3587	# can/must only be called in main	3657	# can/must only be called in main
3588	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
3589	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
3590	return;	3660	return;
3591	}	3661	}
3592		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
3593	warn "reloading...";	3668	warn "reloading...";
3594		3669
3595	warn "entering sync_job";	3670	warn "entering sync_job";
3596		3671
3597	cf::sync_job {	3672	cf::sync_job {
3598	cf::write_runtime_sync; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
3599	cf::emergency_save;	3674	cf::emergency_save;
3600	cf::write_runtime_sync; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
3601		3676
3602	warn "syncing database to disk";	3677	warn "syncing database to disk";
3603	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
3604		3679
3605	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
3606		3681
3607	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
3608	for (;;) {
3609	BDB::flush;
3610	IO::AIO::flush;
3611	Coro::cede_notself;
3612	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3683	while (IO::AIO::nreqs \|\| BDB::nreqs) {
3613	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3614	}
3615
3616	++$RELOAD;
3617
3618	warn "cancelling all extension coros";
3619	$_->cancel for values %EXT_CORO;
3620	%EXT_CORO = ();
3621
3622	warn "removing commands";
3623	%COMMAND = ();
3624
3625	warn "removing ext/exti commands";
3626	%EXTCMD = ();
3627	%EXTICMD = ();
3628
3629	warn "unloading/nuking all extensions";
3630	for my $pkg (@EXTS) {
3631	warn "... unloading $pkg";
3632
3633	if (my $cb = $pkg->can ("unload")) {
3634	eval {
3635	$cb->($pkg);
3636	1
3637	} or warn "$pkg unloaded, but with errors: $@";
3638	}	3685	}
3639		3686
3640	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
3641	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
3642	}	3689	%EXT_CORO = ();
3643		3690
3644	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
3645	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3647		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
3648	warn "... unloading $k";	3700	warn "... unloading $pkg";
3649	delete $INC{$k};
3650		3701
3651	$k =~ s/\.pm$//;
3652	$k =~ s/\//::/g;
3653
3654	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
3655	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
3656	}	3711	}
3657		3712
3658	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
3659	}	3728	}
3660		3729
3661	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
3662	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3664		3733
3665	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
3666	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
3667	delete $INC{"cf/pod.pm"};	3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3668		3737
3669	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
3670	# and global variables created in xs	3739	# and global variables created in xs
3671	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
3672		3741
3673	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
3674		3743
3675	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
3676	require cf;	3745	require cf;
3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3678		3747
3679	warn "loading config and database again";	3748	warn "loading config and database again";
3680	cf::reload_config;	3749	cf::reload_config;
3681		3750
3682	warn "loading extensions";	3751	warn "loading extensions";
3683	cf::load_extensions;	3752	cf::load_extensions;
3684		3753
		3754	if ($REATTACH_ON_RELOAD) {
3685	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
3686	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
3687	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
3688	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
3689	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
3690	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
3691		3762
		3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
		3765
3692	warn "leaving sync_job";	3766	warn "leaving sync_job";
3693		3767
3694	1	3768	1
3695	} or do {	3769	} or do {
3696	warn $@;	3770	warn $@;
3697	cf::cleanup "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
3698	};	3772	};
3699		3773
3700	warn "reloaded";	3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
3701	};	3780	};
3702		3781
3703	our $RELOAD_WATCHER; # used only during reload	3782	our $RELOAD_WATCHER; # used only during reload
3704		3783
3705	sub reload_perl() {	3784	sub reload_perl() {
3706	# doing reload synchronously and two reloads happen back-to-back,	3785	# doing reload synchronously and two reloads happen back-to-back,
3707	# coro crashes during coro_state_free->destroy here.	3786	# coro crashes during coro_state_free->destroy here.
3708		3787
		3788	$RELOAD_WATCHER \|\|= cf::async {
		3789	Coro::AIO::aio_wait cache_extensions;
		3790
3709	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {	3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3710	do_reload_perl;	3792	do_reload_perl;
3711	undef $RELOAD_WATCHER;	3793	undef $RELOAD_WATCHER;
		3794	};
3712	};	3795	};
3713	}	3796	}
3714		3797
3715	register_command "reload" => sub {	3798	register_command "reload" => sub {
3716	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
…		…
3787	{	3870	{
3788	# configure BDB	3871	# configure BDB
3789		3872
3790	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
3791	BDB::max_poll_reqs $TICK * 0.1;	3874	BDB::max_poll_reqs $TICK * 0.1;
3792	$Coro::BDB::WATCHER->priority (1);	3875	$AnyEvent::BDB::WATCHER->priority (1);
3793		3876
3794	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
3795	$DB_ENV = BDB::db_env_create;	3878	$DB_ENV = BDB::db_env_create;
3796	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT);
3797	\| BDB::LOG_AUTOREMOVE, 1);	3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3798	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3799	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3800		3884
3801	cf::sync_job {	3885	cf::sync_job {
3802	eval {	3886	eval {
…		…
3828	{	3912	{
3829	# configure IO::AIO	3913	# configure IO::AIO
3830		3914
3831	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
3832	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
3833	$Coro::AIO::WATCHER->priority (1);	3917	undef $AnyEvent::AIO::WATCHER;
3834	}	3918	}
3835		3919
3836	my $_log_backtrace;	3920	my $_log_backtrace;
3837		3921
3838	sub _log_backtrace {	3922	sub _log_backtrace {
…		…
3841	$msg =~ s/\n//;	3925	$msg =~ s/\n//;
3842		3926
3843	# limit the # of concurrent backtraces	3927	# limit the # of concurrent backtraces
3844	if ($_log_backtrace < 2) {	3928	if ($_log_backtrace < 2) {
3845	++$_log_backtrace;	3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
3846	async {	3931	async {
3847	$Coro::current->{desc} = "abt $msg";	3932	$Coro::current->{desc} = "abt $msg";
3848		3933
3849	my @bt = fork_call {	3934	my @bt = fork_call {
3850	@addr = map { sprintf "%x", $_ } @addr;	3935	@addr = map { sprintf "%x", $_ } @addr;
…		…
3861	}	3946	}
3862		3947
3863	@funcs	3948	@funcs
3864	};	3949	};
3865		3950
3866	LOG llevInfo, "[ABT] $msg\n";	3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3867	LOG llevInfo, "[ABT] $_\n" for @bt;	3953	LOG llevInfo, "[ABT] $_\n" for @bt;
3868	--$_log_backtrace;	3954	--$_log_backtrace;
3869	};	3955	};
3870	} else {	3956	} else {
3871	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $msg\n";
3872	LOG llevInfo, "[ABT] [suppressed]\n";	3958	LOG llevInfo, "[ABT] [suppressed]\n";
3873	}	3959	}
3874	}	3960	}
3875		3961
3876	# load additional modules	3962	# load additional modules
3877	use cf::pod;	3963	require "cf/$_.pm" for @EXTRA_MODULES;
3878		3964
3879	END { cf::emergency_save }	3965	END { cf::emergency_save }
3880		3966
3881	1	3967	1
3882		3968

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC vs. Revision 1.474 by root, Thu Jul 16 21:42:56 2009 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 2009 UTC