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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.430 by root, Sun May 4 14:12:37 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 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;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1528	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1529	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1530		1568
1531	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1532	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1613	}	1651	}
1614		1652
1615	\@paths	1653	\@paths
1616	}	1654	}
1617		1655
1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619		1657
1620	Expand crossfire pod fragments into protocol xml.	1658	Expand deliantra pod fragments into protocol xml.
1621
1622	=cut
1623
1624	use re 'eval';
1625
1626	my $group;
1627	my $interior; $interior = qr{
1628	# match a pod interior sequence sans C<< >>
1629	(?:
1630	\ (.*?)\ (?{ $group = $^N })
1631	\| < (??{$interior}) >
1632	)
1633	}x;
1634
1635	sub expand_cfpod {
1636	my ($self, $pod) = @_;
1637
1638	my $xml;
1639
1640	while () {
1641	if ($pod =~ /\G( (?: [^BCGHITU]+ \| .(?!<) )+ )/xgcs) {
1642	$group = $1;
1643
1644	$group =~ s/&/&/g;
1645	$group =~ s/</</g;
1646
1647	$xml .= $group;
1648	} elsif ($pod =~ m%\G
1649	([BCGHITU])
1650	<
1651	(?:
1652	([^<>]*) (?{ $group = $^N })
1653	\| < $interior >
1654	)
1655	>
1656	%gcsx
1657	) {
1658	my ($code, $data) = ($1, $group);
1659
1660	if ($code eq "B") {
1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662	} elsif ($code eq "I") {
1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664	} elsif ($code eq "U") {
1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666	} elsif ($code eq "C") {
1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668	} elsif ($code eq "T") {
1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670	} elsif ($code eq "G") {
1671	my ($male, $female) = split /\\|/, $data;
1672	$data = $self->gender ? $female : $male;
1673	$xml .= expand_cfpod ($self, $data);
1674	} elsif ($code eq "H") {
1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677	"")
1678	[$self->{hintmode}];
1679	} else {
1680	$xml .= "error processing '$code($data)' directive";
1681	}
1682	} else {
1683	if ($pod =~ /\G(.+)/) {
1684	warn "parse error while expanding $pod (at $1)";
1685	}
1686	last;
1687	}
1688	}
1689
1690	for ($xml) {
1691	# create single paragraphs (very hackish)
1692	s/(?<=\S)\n(?=\w)/ /g;
1693
1694	# compress some whitespace
1695	s/\s+\n/\n/g; # ws line-ends
1696	s/\n\n+/\n/g; # double lines
1697	s/^\n+//; # beginning lines
1698	s/\n+$//; # ending lines
1699	}
1700
1701	$xml
1702	}
1703
1704	no re 'eval';
1705
1706	sub hintmode {
1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1708	$_[0]{hintmode}
1709	}
1710		1659
1711	=item $player->ext_reply ($msgid, @msg)	1660	=item $player->ext_reply ($msgid, @msg)
1712		1661
1713	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1714		1663
…		…
1927		1876
1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1930	}	1879	}
1931		1880
1932	# and all this just because we cannot iterate over
1933	# all maps in C++...
1934	sub change_all_map_light {
1935	my ($change) = @_;
1936
1937	$_->change_map_light ($change)
1938	for grep $_->outdoor, values %cf::MAP;
1939	}
1940
1941	sub decay_objects {	1881	sub decay_objects {
1942	my ($self) = @_;	1882	my ($self) = @_;
1943		1883
1944	return if $self->{deny_reset};	1884	return if $self->{deny_reset};
1945		1885
…		…
2027	sub find {	1967	sub find {
2028	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
2029		1969
2030	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
2031		1971
2032	cf::lock_wait "map_data:$path";#d#remove	1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
2034		1974
2035	$cf::MAP{$path} \|\| do {	1975	$cf::MAP{$path} \|\| do {
2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2037	my $guard2 = cf::lock_acquire "map_find:$path";
2038
2039	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
2040	or return;	1977	or return;
2041		1978
2042	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
2043		1980
…		…
2083	my $f = new_from_file cf::object::thawer $self->{load_path};	2020	my $f = new_from_file cf::object::thawer $self->{load_path};
2084	$f->skip_block;	2021	$f->skip_block;
2085	$self->_load_objects ($f)	2022	$self->_load_objects ($f)
2086	or return;	2023	or return;
2087		2024
2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
2089	if delete $self->{load_original};	2026	if delete $self->{load_original};
2090		2027
2091	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
2092	utf8::encode $uniq;	2029	utf8::encode $uniq;
2093	unless (aio_stat $uniq) {	2030	unless (aio_stat $uniq) {
…		…
2110		2047
2111	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
2112	$self->decay_objects;	2049	$self->decay_objects;
2113	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
2114	$self->update_buttons;	2051	$self->update_buttons;
2115	cf::cede_to_tick;
2116	$self->set_darkness_map;
2117	cf::cede_to_tick;	2052	cf::cede_to_tick;
2118	$self->activate;	2053	$self->activate;
2119	}	2054	}
2120		2055
2121	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
…		…
2463		2398
2464	our $SAY_CHANNEL = {	2399	our $SAY_CHANNEL = {
2465	id => "say",	2400	id => "say",
2466	title => "Map",	2401	title => "Map",
2467	reply => "say ",	2402	reply => "say ",
2468	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.",
2469	};	2404	};
2470		2405
2471	our $CHAT_CHANNEL = {	2406	our $CHAT_CHANNEL = {
2472	id => "chat",	2407	id => "chat",
2473	title => "Chat",	2408	title => "Chat",
…		…
2528		2463
2529	=item $player_object->enter_link	2464	=item $player_object->enter_link
2530		2465
2531	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}>).
2532		2467
2533	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.
2534	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.
2535		2472
2536	Will never block.	2473	Will never block.
2537		2474
2538	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2539		2476
…		…
2597		2534
2598	$map->load;	2535	$map->load;
2599	$map->load_neighbours;	2536	$map->load_neighbours;
2600		2537
2601	return unless $self->contr->active;	2538	return unless $self->contr->active;
2602	$self->activate_recursive;
2603		2539
2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
		2542
		2543	# only activate afterwards, to support waiting in hooks
		2544	$self->activate_recursive;
2606	}	2545	}
2607		2546
2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2609		2548
2610	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
2611	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2612	that has to return the map if sucecssful, and then unfreezes the player on	2551	that has to return the map if sucecssful, and then unfreezes the player on
2613	the new (success) or old (failed) map position. In either case, $done will	2552	the new (success) or old (failed) map position. In either case, $done will
2614	be called at the end of this process.	2553	be called at the end of this process.
		2554
		2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
2615		2557
2616	=cut	2558	=cut
2617		2559
2618	our $GOTOGEN;	2560	our $GOTOGEN;
2619		2561
…		…
2766	$self->contr->savebed ($map, $x, $y)	2708	$self->contr->savebed ($map, $x, $y)
2767	if $exit->flag (cf::FLAG_DAMNED);	2709	if $exit->flag (cf::FLAG_DAMNED);
2768		2710
2769	1	2711	1
2770	}) {	2712	}) {
2771	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2772	. "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. "
2773	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2774	cf::NDI_UNIQUE \| cf::NDI_RED);	2716	cf::NDI_UNIQUE \| cf::NDI_RED);
2775		2717
2776	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2842	id => "infobox",	2784	id => "infobox",
2843	title => "Body Parts",	2785	title => "Body Parts",
2844	reply => undef,	2786	reply => undef,
2845	tooltip => "Shows which body parts you posess and are available",	2787	tooltip => "Shows which body parts you posess and are available",
2846	},	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	},
2847	"c/uptime" => {	2825	"c/uptime" => {
2848	id => "infobox",	2826	id => "infobox",
2849	title => "Uptime",	2827	title => "Uptime",
2850	reply => undef,	2828	reply => undef,
2851	tooltip => "How long the server has been running since last restart",	2829	tooltip => "How long the server has been running since last restart",
…		…
2860	id => "party",	2838	id => "party",
2861	title => "Party",	2839	title => "Party",
2862	reply => "gsay ",	2840	reply => "gsay ",
2863	tooltip => "Messages and chat related to your party",	2841	tooltip => "Messages and chat related to your party",
2864	},	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" => $CHAT_CHANNEL,
2865	);	2851	);
2866		2852
2867	sub cf::client::send_msg {	2853	sub cf::client::send_msg {
2868	my ($self, $channel, $msg, $color, @extra) = @_;	2854	my ($self, $channel, $msg, $color, @extra) = @_;
2869		2855
2870	$msg = $self->pl->expand_cfpod ($msg);	2856	$msg = $self->pl->expand_cfpod ($msg)
		2857	unless $color & cf::NDI_VERBATIM;
2871		2858
2872	$color &= cf::NDI_CLIENT_MASK; # just in case...	2859	$color &= cf::NDI_CLIENT_MASK; # just in case...
2873		2860
2874	# check predefined channels, for the benefit of C	2861	# check predefined channels, for the benefit of C
2875	if ($CHANNEL{$channel}) {	2862	if ($CHANNEL{$channel}) {
2876	$channel = $CHANNEL{$channel};	2863	$channel = $CHANNEL{$channel};
2877		2864
2878	$self->ext_msg (channel_info => $channel)	2865	$self->ext_msg (channel_info => $channel);
2879	if $self->can_msg;
2880
2881	$channel = $channel->{id};	2866	$channel = $channel->{id};
2882		2867
2883	} elsif (ref $channel) {	2868	} elsif (ref $channel) {
2884	# send meta info to client, if not yet sent	2869	# send meta info to client, if not yet sent
2885	unless (exists $self->{channel}{$channel->{id}}) {	2870	unless (exists $self->{channel}{$channel->{id}}) {
2886	$self->{channel}{$channel->{id}} = $channel;	2871	$self->{channel}{$channel->{id}} = $channel;
2887	$self->ext_msg (channel_info => $channel)	2872	$self->ext_msg (channel_info => $channel);
2888	if $self->can_msg;
2889	}	2873	}
2890		2874
2891	$channel = $channel->{id};	2875	$channel = $channel->{id};
2892	}	2876	}
2893		2877
2894	return unless @extra \|\| length $msg;	2878	return unless @extra \|\| length $msg;
2895		2879
2896	if ($self->can_msg) {
2897	# default colour, mask it out	2880	# default colour, mask it out
2898	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)	2881	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
2899	if $color & cf::NDI_DEF;	2882	if $color & cf::NDI_DEF;
2900		2883
2901	$self->send_packet ("msg " . $self->{json_coder}->encode (	2884	my $pkt = "msg "
		2885	. $self->{json_coder}->encode (
2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2886	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2903	} else {	2887	);
2904	if ($color >= 0) {
2905	# replace some tags by gcfclient-compatible ones
2906	for ($msg) {
2907	1 while
2908	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2909	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2910	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2911	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2912	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2913	}
2914		2888
2915	$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};
2916		2892
2917	utf8::encode $msg;	2893	# split very large packets
2918		2894	if (8192 < length $pkt and $self->{can_lzf}) {
2919	if (0 && $msg =~ /\[/) {	2895	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2920	# COMMAND/INFO	2896	$pkt = "frag";
2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
2922	} else {
2923	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
2924	$self->send_packet ("drawinfo $color $msg")
2925	}
2926	}
2927	}	2897	}
		2898
		2899	$self->send_packet ($pkt);
2928	}	2900	}
2929		2901
2930	=item $client->ext_msg ($type, @msg)	2902	=item $client->ext_msg ($type, @msg)
2931		2903
2932	Sends an ext event to the client.	2904	Sends an ext event to the client.
…		…
3107	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
3108		3080
3109	cf::object	3081	cf::object
3110	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
3111	insert remove name archname title slaying race decrease split	3083	insert remove name archname title slaying race decrease split
		3084	value
3112		3085
3113	cf::object::player	3086	cf::object::player
3114	player	3087	player
3115		3088
3116	cf::player	3089	cf::player
…		…
3121		3094
3122	=cut	3095	=cut
3123		3096
3124	for (	3097	for (
3125	["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
3126	insert remove inv name archname title slaying race	3099	insert remove inv nrof name archname title slaying race
3127	decrease split destroy)],	3100	decrease split destroy change_exp value msg lore send_msg)],
3128	["cf::object::player" => qw(player)],	3101	["cf::object::player" => qw(player)],
3129	["cf::player" => qw(peaceful)],	3102	["cf::player" => qw(peaceful send_msg)],
3130	["cf::map" => qw(trigger)],	3103	["cf::map" => qw(trigger)],
3131	) {	3104	) {
3132	no strict 'refs';	3105	no strict 'refs';
3133	my ($pkg, @funs) = @$_;	3106	my ($pkg, @funs) = @$_;
3134	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3107	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3151	my ($code, %vars) = @_;	3124	my ($code, %vars) = @_;
3152		3125
3153	my $qcode = $code;	3126	my $qcode = $code;
3154	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3127	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3155	$qcode =~ s/\n/\\n/g;	3128	$qcode =~ s/\n/\\n/g;
		3129
		3130	%vars = (_dummy => 0) unless %vars;
3156		3131
3157	local $_;	3132	local $_;
3158	local @safe::cf::_safe_eval_args = values %vars;	3133	local @safe::cf::_safe_eval_args = values %vars;
3159		3134
3160	my $eval =	3135	my $eval =
…		…
3390	reload_treasures;	3365	reload_treasures;
3391		3366
3392	warn "finished reloading resource files\n";	3367	warn "finished reloading resource files\n";
3393	}	3368	}
3394		3369
3395	sub init {
3396	my $guard = freeze_mainloop;
3397
3398	reload_resources;
3399	}
3400
3401	sub reload_config {	3370	sub reload_config {
3402	open my $fh, "<:utf8", "$CONFDIR/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
3403	or return;	3372	or return;
3404		3373
3405	local $/;	3374	local $/;
…		…
3417	};	3386	};
3418	warn $@ if $@;	3387	warn $@ if $@;
3419	}	3388	}
3420	}	3389	}
3421		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
3422	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
3423	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
3424	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
3425	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#
3426	(async {	3437	(async {
3427	$Coro::current->{desc} = "IDLE BUG HANDLER";	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
3428	EV::loop EV::LOOP_ONESHOT;	3439	EV::loop EV::LOOP_ONESHOT;
3429	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
3430	};	3441	};
3431		3442
3432	{	3443	evthread_start IO::AIO::poll_fileno;
3433	my $guard = freeze_mainloop;	3444
		3445	cf::sync_job {
		3446	reload_resources;
3434	reload_config;	3447	reload_config;
3435	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
3436	load_extensions;	3461	load_extensions;
3437		3462
3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3463	utime time, time, $RUNTIMEFILE;
3439	evthread_start IO::AIO::poll_fileno;	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;
3440	}	3470	};
3441		3471
3442	EV::loop;	3472	main_loop;
3443	}	3473	}
3444		3474
3445	#############################################################################	3475	#############################################################################
3446	# initialisation and cleanup	3476	# initialisation and cleanup
3447		3477
…		…
3454	};	3484	};
3455	}	3485	}
3456	}	3486	}
3457		3487
3458	sub write_runtime_sync {	3488	sub write_runtime_sync {
3459	my $runtime = "$LOCALDIR/runtime";
3460
3461	# first touch the runtime file to show we are still running:	3489	# first touch the runtime file to show we are still running:
3462	# the fsync below can take a very very long time.	3490	# the fsync below can take a very very long time.
3463		3491
3464	IO::AIO::aio_utime $runtime, undef, undef;	3492	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3465		3493
3466	my $guard = cf::lock_acquire "write_runtime";	3494	my $guard = cf::lock_acquire "write_runtime";
3467		3495
3468	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	3496	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY \| O_CREAT, 0644
3469	or return;	3497	or return;
3470		3498
3471	my $value = $cf::RUNTIME + 90 + 10;	3499	my $value = $cf::RUNTIME + 90 + 10;
3472	# 10 is the runtime save interval, for a monotonic clock	3500	# 10 is the runtime save interval, for a monotonic clock
3473	# 60 allows for the watchdog to kill the server.	3501	# 60 allows for the watchdog to kill the server.
…		…
3483	aio_utime $fh, undef, undef;	3511	aio_utime $fh, undef, undef;
3484		3512
3485	close $fh	3513	close $fh
3486	or return;	3514	or return;
3487		3515
3488	aio_rename "$runtime~", $runtime	3516	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3489	and return;	3517	and return;
3490		3518
3491	warn "runtime file written.\n";	3519	warn "runtime file written.\n";
3492		3520
3493	1	3521	1
…		…
3505	my $uuid = "$LOCALDIR/uuid";	3533	my $uuid = "$LOCALDIR/uuid";
3506		3534
3507	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644	3535	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
3508	or return;	3536	or return;
3509		3537
3510	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;
3511	$uuid_skip = 0;	3546	$uuid_skip = 0;
3512		3547
3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3548	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3514	and return;	3549	and return;
3515		3550
…		…
3537	}	3572	}
3538		3573
3539	sub emergency_save() {	3574	sub emergency_save() {
3540	my $freeze_guard = cf::freeze_mainloop;	3575	my $freeze_guard = cf::freeze_mainloop;
3541		3576
3542	warn "enter emergency perl save\n";	3577	warn "emergency_perl_save: enter\n";
3543		3578
3544	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
3545	# use a peculiar iteration method to avoid tripping on perl	3585	# use a peculiar iteration method to avoid tripping on perl
3546	# refcount bugs in for. also avoids problems with players	3586	# refcount bugs in for. also avoids problems with players
3547	# and maps saved/destroyed asynchronously.	3587	# and maps saved/destroyed asynchronously.
3548	warn "begin emergency player save\n";	3588	warn "emergency_perl_save: begin player save\n";
3549	for my $login (keys %cf::PLAYER) {	3589	for my $login (keys %cf::PLAYER) {
3550	my $pl = $cf::PLAYER{$login} or next;	3590	my $pl = $cf::PLAYER{$login} or next;
3551	$pl->valid or next;	3591	$pl->valid or next;
3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3592	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3553	$pl->save;	3593	$pl->save;
3554	}	3594	}
3555	warn "end emergency player save\n";	3595	warn "emergency_perl_save: end player save\n";
3556		3596
3557	warn "begin emergency map save\n";	3597	warn "emergency_perl_save: begin map save\n";
3558	for my $path (keys %cf::MAP) {	3598	for my $path (keys %cf::MAP) {
3559	my $map = $cf::MAP{$path} or next;	3599	my $map = $cf::MAP{$path} or next;
3560	$map->valid or next;	3600	$map->valid or next;
3561	$map->save;	3601	$map->save;
3562	}	3602	}
3563	warn "end emergency map save\n";	3603	warn "emergency_perl_save: end map save\n";
3564		3604
3565	warn "begin emergency database checkpoint\n";	3605	warn "emergency_perl_save: begin database checkpoint\n";
3566	BDB::db_env_txn_checkpoint $DB_ENV;	3606	BDB::db_env_txn_checkpoint $DB_ENV;
3567	warn "end emergency database checkpoint\n";	3607	warn "emergency_perl_save: end database checkpoint\n";
3568		3608
3569	warn "begin write uuid\n";	3609	warn "emergency_perl_save: begin write uuid\n";
3570	write_uuid_sync 1;	3610	write_uuid_sync 1;
3571	warn "end write uuid\n";	3611	warn "emergency_perl_save: end write uuid\n";
3572	};	3612	};
3573		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
3574	warn "leave emergency perl save\n";	3619	warn "emergency_perl_save: leave\n";
3575	}	3620	}
3576		3621
3577	sub post_cleanup {	3622	sub post_cleanup {
3578	my ($make_core) = @_;	3623	my ($make_core) = @_;
3579		3624
3580	warn Carp::longmess "post_cleanup backtrace"	3625	warn Carp::longmess "post_cleanup backtrace"
3581	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 $pkg\n";#d#
3582	}	3656	}
3583		3657
3584	sub do_reload_perl() {	3658	sub do_reload_perl() {
3585	# can/must only be called in main	3659	# can/must only be called in main
3586	if ($Coro::current != $Coro::main) {	3660	if ($Coro::current != $Coro::main) {
3587	warn "can only reload from main coroutine";	3661	warn "can only reload from main coroutine";
3588	return;	3662	return;
3589	}	3663	}
3590		3664
		3665	return if $RELOAD++;
		3666
		3667	my $t1 = EV::time;
		3668
		3669	while ($RELOAD) {
3591	warn "reloading...";	3670	warn "reloading...";
3592		3671
3593	warn "entering sync_job";	3672	warn "entering sync_job";
3594		3673
3595	cf::sync_job {	3674	cf::sync_job {
3596	cf::write_runtime_sync; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
3597	cf::emergency_save;	3676	cf::emergency_save;
3598	cf::write_runtime_sync; # external watchdog should not bark	3677	cf::write_runtime_sync; # external watchdog should not bark
3599		3678
3600	warn "syncing database to disk";	3679	warn "syncing database to disk";
3601	BDB::db_env_txn_checkpoint $DB_ENV;	3680	BDB::db_env_txn_checkpoint $DB_ENV;
3602		3681
3603	# if anything goes wrong in here, we should simply crash as we already saved	3682	# if anything goes wrong in here, we should simply crash as we already saved
3604		3683
3605	warn "flushing outstanding aio requests";	3684	warn "flushing outstanding aio requests";
3606	for (;;) {
3607	BDB::flush;
3608	IO::AIO::flush;
3609	Coro::cede_notself;
3610	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3685	while (IO::AIO::nreqs \|\| BDB::nreqs) {
3611	warn "iterate...";	3686	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3612	}
3613
3614	++$RELOAD;
3615
3616	warn "cancelling all extension coros";
3617	$_->cancel for values %EXT_CORO;
3618	%EXT_CORO = ();
3619
3620	warn "removing commands";
3621	%COMMAND = ();
3622
3623	warn "removing ext/exti commands";
3624	%EXTCMD = ();
3625	%EXTICMD = ();
3626
3627	warn "unloading/nuking all extensions";
3628	for my $pkg (@EXTS) {
3629	warn "... unloading $pkg";
3630
3631	if (my $cb = $pkg->can ("unload")) {
3632	eval {
3633	$cb->($pkg);
3634	1
3635	} or warn "$pkg unloaded, but with errors: $@";
3636	}	3687	}
3637		3688
3638	warn "... nuking $pkg";	3689	warn "cancelling all extension coros";
3639	Symbol::delete_package $pkg;	3690	$_->cancel for values %EXT_CORO;
3640	}	3691	%EXT_CORO = ();
3641		3692
3642	warn "unloading all perl modules loaded from $LIBDIR";	3693	warn "removing commands";
3643	while (my ($k, $v) = each %INC) {	3694	%COMMAND = ();
3644	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3645		3695
		3696	warn "removing ext/exti commands";
		3697	%EXTCMD = ();
		3698	%EXTICMD = ();
		3699
		3700	warn "unloading/nuking all extensions";
		3701	for my $pkg (@EXTS) {
3646	warn "... unloading $k";	3702	warn "... unloading $pkg";
3647	delete $INC{$k};
3648		3703
3649	$k =~ s/\.pm$//;
3650	$k =~ s/\//::/g;
3651
3652	if (my $cb = $k->can ("unload_module")) {	3704	if (my $cb = $pkg->can ("unload")) {
		3705	eval {
3653	$cb->();	3706	$cb->($pkg);
		3707	1
		3708	} or warn "$pkg unloaded, but with errors: $@";
		3709	}
		3710
		3711	warn "... clearing $pkg";
		3712	clear_package $pkg;
3654	}	3713	}
3655		3714
3656	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 $k;
3657	}	3730	}
3658		3731
3659	warn "getting rid of safe::, as good as possible";	3732	warn "getting rid of safe::, as good as possible";
3660	Symbol::delete_package "safe::$_"	3733	clear_package "safe::$_"
3661	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);
3662		3735
3663	warn "unloading cf.pm \"a bit\"";	3736	warn "unloading cf.pm \"a bit\"";
3664	delete $INC{"cf.pm"};	3737	delete $INC{"cf.pm"};
3665	delete $INC{"cf/pod.pm"};	3738	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3666		3739
3667	# don't, removes xs symbols, too,	3740	# don't, removes xs symbols, too,
3668	# and global variables created in xs	3741	# and global variables created in xs
3669	#Symbol::delete_package __PACKAGE__;	3742	#clear_package __PACKAGE__;
3670		3743
3671	warn "unload completed, starting to reload now";	3744	warn "unload completed, starting to reload now";
3672		3745
3673	warn "reloading cf.pm";	3746	warn "reloading cf.pm";
3674	require cf;	3747	require cf;
3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3748	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3676		3749
3677	warn "loading config and database again";	3750	warn "loading config and database again";
3678	cf::reload_config;	3751	cf::reload_config;
3679		3752
3680	warn "loading extensions";	3753	warn "loading extensions";
3681	cf::load_extensions;	3754	cf::load_extensions;
3682		3755
		3756	if ($REATTACH_ON_RELOAD) {
3683	warn "reattaching attachments to objects/players";	3757	warn "reattaching attachments to objects/players";
3684	_global_reattach; # objects, sockets	3758	_global_reattach; # objects, sockets
3685	warn "reattaching attachments to maps";	3759	warn "reattaching attachments to maps";
3686	reattach $_ for values %MAP;	3760	reattach $_ for values %MAP;
3687	warn "reattaching attachments to players";	3761	warn "reattaching attachments to players";
3688	reattach $_ for values %PLAYER;	3762	reattach $_ for values %PLAYER;
		3763	}
3689		3764
		3765	warn "running post_init jobs";
		3766	(pop @POST_INIT)->(1) while @POST_INIT;
		3767
3690	warn "leaving sync_job";	3768	warn "leaving sync_job";
3691		3769
3692	1	3770	1
3693	} or do {	3771	} or do {
3694	warn $@;	3772	warn $@;
3695	cf::cleanup "error while reloading, exiting.";	3773	cf::cleanup "error while reloading, exiting.";
3696	};	3774	};
3697		3775
3698	warn "reloaded";	3776	warn "reloaded";
		3777	--$RELOAD;
		3778	}
		3779
		3780	$t1 = EV::time - $t1;
		3781	warn "reload completed in ${t1}s\n";
3699	};	3782	};
3700		3783
3701	our $RELOAD_WATCHER; # used only during reload	3784	our $RELOAD_WATCHER; # used only during reload
3702		3785
3703	sub reload_perl() {	3786	sub reload_perl() {
3704	# doing reload synchronously and two reloads happen back-to-back,	3787	# doing reload synchronously and two reloads happen back-to-back,
3705	# coro crashes during coro_state_free->destroy here.	3788	# coro crashes during coro_state_free->destroy here.
3706		3789
		3790	$RELOAD_WATCHER \|\|= cf::async {
		3791	Coro::AIO::aio_wait cache_extensions;
		3792
3707	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {	3793	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3708	do_reload_perl;	3794	do_reload_perl;
3709	undef $RELOAD_WATCHER;	3795	undef $RELOAD_WATCHER;
		3796	};
3710	};	3797	};
3711	}	3798	}
3712		3799
3713	register_command "reload" => sub {	3800	register_command "reload" => sub {
3714	my ($who, $arg) = @_;	3801	my ($who, $arg) = @_;
…		…
3785	{	3872	{
3786	# configure BDB	3873	# configure BDB
3787		3874
3788	BDB::min_parallel 8;	3875	BDB::min_parallel 8;
3789	BDB::max_poll_reqs $TICK * 0.1;	3876	BDB::max_poll_reqs $TICK * 0.1;
3790	$Coro::BDB::WATCHER->priority (1);	3877	$AnyEvent::BDB::WATCHER->priority (1);
3791		3878
3792	unless ($DB_ENV) {	3879	unless ($DB_ENV) {
3793	$DB_ENV = BDB::db_env_create;	3880	$DB_ENV = BDB::db_env_create;
3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3881	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT);
3795	\| BDB::LOG_AUTOREMOVE, 1);	3882	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3883	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3884	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3885	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798		3886
3799	cf::sync_job {	3887	cf::sync_job {
3800	eval {	3888	eval {
…		…
3826	{	3914	{
3827	# configure IO::AIO	3915	# configure IO::AIO
3828		3916
3829	IO::AIO::min_parallel 8;	3917	IO::AIO::min_parallel 8;
3830	IO::AIO::max_poll_time $TICK * 0.1;	3918	IO::AIO::max_poll_time $TICK * 0.1;
3831	$Coro::AIO::WATCHER->priority (1);	3919	undef $AnyEvent::AIO::WATCHER;
3832	}	3920	}
3833		3921
3834	my $_log_backtrace;	3922	my $_log_backtrace;
3835		3923
3836	sub _log_backtrace {	3924	sub _log_backtrace {
…		…
3839	$msg =~ s/\n//;	3927	$msg =~ s/\n//;
3840		3928
3841	# limit the # of concurrent backtraces	3929	# limit the # of concurrent backtraces
3842	if ($_log_backtrace < 2) {	3930	if ($_log_backtrace < 2) {
3843	++$_log_backtrace;	3931	++$_log_backtrace;
		3932	my $perl_bt = Carp::longmess $msg;
3844	async {	3933	async {
3845	$Coro::current->{desc} = "abt $msg";	3934	$Coro::current->{desc} = "abt $msg";
3846		3935
3847	my @bt = fork_call {	3936	my @bt = fork_call {
3848	@addr = map { sprintf "%x", $_ } @addr;	3937	@addr = map { sprintf "%x", $_ } @addr;
…		…
3859	}	3948	}
3860		3949
3861	@funcs	3950	@funcs
3862	};	3951	};
3863		3952
3864	LOG llevInfo, "[ABT] $msg\n";	3953	LOG llevInfo, "[ABT] $perl_bt\n";
		3954	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3865	LOG llevInfo, "[ABT] $_\n" for @bt;	3955	LOG llevInfo, "[ABT] $_\n" for @bt;
3866	--$_log_backtrace;	3956	--$_log_backtrace;
3867	};	3957	};
3868	} else {	3958	} else {
3869	LOG llevInfo, "[ABT] $msg\n";	3959	LOG llevInfo, "[ABT] $msg\n";
3870	LOG llevInfo, "[ABT] [suppressed]\n";	3960	LOG llevInfo, "[ABT] [suppressed]\n";
3871	}	3961	}
3872	}	3962	}
3873		3963
3874	# load additional modules	3964	# load additional modules
3875	use cf::pod;	3965	require "cf/$_.pm" for @EXTRA_MODULES;
3876		3966
3877	END { cf::emergency_save }	3967	END { cf::emergency_save }
3878		3968
3879	1	3969	1
3880		3970

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.430 by root, Sun May 4 14:12:37 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 1.430 by root, Sun May 4 14:12:37 2008 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 2009 UTC