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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.426 by root, Thu Apr 24 04:40:31 2008 UTC vs.
Revision 1.461 by root, Fri Dec 19 22:47:29 2008 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 "vars", "subs";
26		27
27	use Symbol;	28	use Symbol;
28	use List::Util;	29	use List::Util;
29	use Socket;	30	use Socket;
30	use EV 3.2;	31	use EV;
31	use Opcode;	32	use Opcode;
32	use Safe;	33	use Safe;
33	use Safe::Hole;	34	use Safe::Hole;
34	use Storable ();	35	use Storable ();
35		36
		37	use Guard ();
36	use Coro 4.50 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;	56	use Digest::MD5;
52	use Fcntl;	57	use Fcntl;
53	use YAML ();	58	use YAML ();
54	use IO::AIO 2.51 ();	59	use IO::AIO ();
55	use Time::HiRes;	60	use Time::HiRes;
56	use Compress::LZF;	61	use Compress::LZF;
57	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
58		65
59	# configure various modules to our taste	66	# configure various modules to our taste
60	#	67	#
61	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
66		76
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		78
69	our %COMMAND = ();	79	our %COMMAND = ();
70	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	83	our %EXTCMD = ();
74	our %EXTICMD = ();	84	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
77		87
78	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	89	our @EVENT;
80		90
81	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	92	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
92	our %RESOURCE;	105	our %RESOURCE;
93		106
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	109	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
99		111
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	115	our $DB_ENV;
105		116
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	132	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
123		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
124	binmode STDOUT;	139	binmode STDOUT;
125	binmode STDERR;	140	binmode STDERR;
126		141
127	# read virtual server time, if available	142	# read virtual server time, if available
128	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME \|\| !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
132	}	147	}
133		148
134	mkdir $_	149	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
242	for my $pkg (qw(	257	for my $pkg (qw(
243	cf::global cf::attachable	258	cf::global cf::attachable
244	cf::object cf::object::player	259	cf::object cf::object::player
245	cf::client cf::player	260	cf::client cf::player
246	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
247	cf::map cf::party cf::region	263	cf::party cf::region
248	)) {	264	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	266	}
252		267
253	$EV::DIED = sub {	268	$EV::DIED = sub {
254	warn "error in event callback: @_";	269	warn "error in event callback: @_";
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		312
298	sub encode_json($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
300		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
301	=item cf::lock_wait $string	330	=item cf::lock_wait $string
302		331
303	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
304		333
305	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
306		335
307	Wait until the given lock is available and then acquires it and returns	336	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,	337	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	338	for example when the coroutine gets canceled), the lock is automatically
310	returned.	339	returned.
311		340
312	Locks are not recursive, locking from the same coro twice results in a	341	Locks are not recursive, locking from the same coro twice results in a
313	deadlocked coro.	342	deadlocked coro.
…		…
319		348
320	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
321		350
322	=cut	351	=cut
323		352
324	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		354
327	sub lock_wait($) {	355	sub lock_wait($) {
328	my ($key) = @_;	356	$LOCKS->wait ($_[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} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	357	}
341		358
342	sub lock_acquire($) {	359	sub lock_acquire($) {
343	my ($key) = @_;	360	$LOCKS->guard ($_[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	}	361	}
357		362
358	sub lock_active($) {	363	sub lock_active($) {
359	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	365	}
363		366
364	sub freeze_mainloop {	367	sub freeze_mainloop {
365	tick_inhibit_inc;	368	tick_inhibit_inc;
366		369
367	Coro::guard \&tick_inhibit_dec;	370	&Guard::guard (\&tick_inhibit_dec);
368	}	371	}
369		372
370	=item cf::periodic $interval, $cb	373	=item cf::periodic $interval, $cb
371		374
372	Like EV::periodic, but randomly selects a starting point so that the actions	375	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
724		727
725	#############################################################################	728	#############################################################################
726		729
727	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
728		731
729	Many objects in crossfire are so-called attachable objects. That means you can	732	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")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
732		735
733	In the following description, CLASS can be any of C<global>, C<object>	736	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	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
785		788
786	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
788		791
789	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
791		794
792	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
793		796
794	=over 4	797	=over 4
…		…
1085		1088
1086	sub reattach {	1089	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1091	my ($obj) = @_;
1089		1092
		1093	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1095
1092	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
1093		1097
1094	@$registry = ();	1098	@$registry = ();
1095		1099
…		…
1141	utf8::decode (my $decname = $filename);	1145	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1144		1148
1145	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
1146	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1149	close $fh;	1153	aio_close $fh;
1150		1154
1151	if (@$objs) {	1155	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
1153	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1157	close $fh;	1161	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1163	}
1160	} else {	1164	} else {
1161	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1162	}	1166	}
1163		1167
1164	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1172	} else {
1166	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1167	}	1174	}
1168	} else {	1175	} else {
1169	aio_unlink $filename;	1176	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1171	}	1178	}
…		…
1262	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1263		1270
1264	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1265	}	1272	}
1266		1273
		1274	use File::Glob ();
		1275
1267	cf::player->attach (	1276	cf::player->attach (
1268	on_command => sub {	1277	on_command => sub {
1269	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1270		1279
1271	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1303		1312
1304	cf::override;	1313	cf::override;
1305	},	1314	},
1306	);	1315	);
1307		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
		1329
1308	sub load_extensions {	1330	sub load_extensions {
1309	cf::sync_job {	1331	cf::sync_job {
1310	my %todo;	1332	my %todo;
1311		1333
1312	for my $path (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
…		…
1331		1353
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.?perl.?#\s(.)$/m;	1355	if $source =~ /\A#!.?perl.?#\s(.)$/m;
1334		1356
1335	$ext{source} =	1357	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1338	. $source	1360	. $source
1339	. "\n};\n1";	1361	. "\n};\n1";
1340		1362
1341	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1381		1403
1382	=back	1404	=back
1383		1405
1384	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1385		1407
1386	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1387		1409
1388	=cut	1410	=cut
1389		1411
1390	package cf::player;	1412	package cf::player;
1391		1413
…		…
1434		1456
1435	sub exists($) {	1457	sub exists($) {
1436	my ($login) = @_;	1458	my ($login) = @_;
1437		1459
1438	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1440	}	1462	}
1441		1463
1442	sub find($) {	1464	sub find($) {
1443	return $cf::PLAYER{$_[0]} \|\| do {	1465	return $cf::PLAYER{$_[0]} \|\| do {
1444	my $login = $_[0];	1466	my $login = $_[0];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1478	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1479	or return;
1458		1480
1459	my $pl = cf::player::load_pl $f	1481	my $pl = cf::player::load_pl $f
1460	or return;	1482	or return;
		1483
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1484	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1485	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1464	}	1487	}
1465	}	1488	}
…		…
1518	my ($pl) = @_;	1541	my ($pl) = @_;
1519		1542
1520	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1521		1544
1522	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1523	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1524		1547
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1526	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1528	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1529		1554
1530	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1570		1595
1571	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
1572	my $path = path $login;	1597	my $path = path $login;
1573		1598
1574	# a .pst is a dead give-away for a valid player	1599	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1605	}
1580		1606
…		…
1611	}	1637	}
1612		1638
1613	\@paths	1639	\@paths
1614	}	1640	}
1615		1641
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1643
1618	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1619
1620	=cut
1621
1622	use re 'eval';
1623
1624	my $group;
1625	my $interior; $interior = qr{
1626	# match a pod interior sequence sans C<< >>
1627	(?:
1628	\ (.*?)\ (?{ $group = $^N })
1629	\| < (??{$interior}) >
1630	)
1631	}x;
1632
1633	sub expand_cfpod {
1634	my ($self, $pod) = @_;
1635
1636	my $xml;
1637
1638	while () {
1639	if ($pod =~ /\G( (?: [^BCGHITU]+ \| .(?!<) )+ )/xgcs) {
1640	$group = $1;
1641
1642	$group =~ s/&/&/g;
1643	$group =~ s/</</g;
1644
1645	$xml .= $group;
1646	} elsif ($pod =~ m%\G
1647	([BCGHITU])
1648	<
1649	(?:
1650	([^<>]*) (?{ $group = $^N })
1651	\| < $interior >
1652	)
1653	>
1654	%gcsx
1655	) {
1656	my ($code, $data) = ($1, $group);
1657
1658	if ($code eq "B") {
1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660	} elsif ($code eq "I") {
1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662	} elsif ($code eq "U") {
1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664	} elsif ($code eq "C") {
1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666	} elsif ($code eq "T") {
1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668	} elsif ($code eq "G") {
1669	my ($male, $female) = split /\\|/, $data;
1670	$data = $self->gender ? $female : $male;
1671	$xml .= expand_cfpod ($self, $data);
1672	} elsif ($code eq "H") {
1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675	"")
1676	[$self->{hintmode}];
1677	} else {
1678	$xml .= "error processing '$code($data)' directive";
1679	}
1680	} else {
1681	if ($pod =~ /\G(.+)/) {
1682	warn "parse error while expanding $pod (at $1)";
1683	}
1684	last;
1685	}
1686	}
1687
1688	for ($xml) {
1689	# create single paragraphs (very hackish)
1690	s/(?<=\S)\n(?=\w)/ /g;
1691
1692	# compress some whitespace
1693	s/\s+\n/\n/g; # ws line-ends
1694	s/\n\n+/\n/g; # double lines
1695	s/^\n+//; # beginning lines
1696	s/\n+$//; # ending lines
1697	}
1698
1699	$xml
1700	}
1701
1702	no re 'eval';
1703
1704	sub hintmode {
1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1706	$_[0]{hintmode}
1707	}
1708		1645
1709	=item $player->ext_reply ($msgid, @msg)	1646	=item $player->ext_reply ($msgid, @msg)
1710		1647
1711	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1712		1649
…		…
2025	sub find {	1962	sub find {
2026	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
2027		1964
2028	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
2029		1966
2030	cf::lock_wait "map_data:$path";#d#remove	1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
2032		1969
2033	$cf::MAP{$path} \|\| do {	1970	$cf::MAP{$path} \|\| do {
2034	my $guard1 = cf::lock_acquire "map_find:$path";
2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
2037	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
2038	or return;	1972	or return;
2039		1973
2040	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
2041		1975
…		…
2043	or return;	1977	or return;
2044		1978
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
2048	undef $guard1;	1983	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	1984	$map->reset;
2051	return find $path;	1985	return find $path;
2052	}	1986	}
2053		1987
2054	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
…		…
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2016	$f->skip_block;
2083	$self->_load_objects ($f)	2017	$self->_load_objects ($f)
2084	or return;	2018	or return;
2085		2019
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
2087	if delete $self->{load_original};	2021	if delete $self->{load_original};
2088		2022
2089	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2024	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2025	unless (aio_stat $uniq) {
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2459		2393
2460	=cut	2394	=cut
2461		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
		2409
2462	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2411	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2414	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2427
2480	} else {	2428	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2431	}
2484	}	2432	}
2485	}	2433	}
2486		2434
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2460
2513	=item $player_object->enter_link	2461	=item $player_object->enter_link
2514		2462
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2464
2517	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
2518	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2519		2469
2520	Will never block.	2470	Will never block.
2521		2471
2522	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2523		2473
…		…
2581		2531
2582	$map->load;	2532	$map->load;
2583	$map->load_neighbours;	2533	$map->load_neighbours;
2584		2534
2585	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2586	$self->activate_recursive;	2537	$self->activate_recursive;
2587		2538
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
2590	}	2541	}
…		…
2594	Moves the player to the given map-path and coordinates by first freezing	2545	Moves the player to the given map-path and coordinates by first freezing
2595	her, loading and preparing them map, calling the provided $check callback	2546	her, loading and preparing them map, calling the provided $check callback
2596	that has to return the map if sucecssful, and then unfreezes the player on	2547	that has to return the map if sucecssful, and then unfreezes the player on
2597	the new (success) or old (failed) map position. In either case, $done will	2548	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2549	be called at the end of this process.
		2550
		2551	Note that $check will be called with a potentially non-loaded map, so if
		2552	it needs a loaded map it has to call C<< ->load >>.
2599		2553
2600	=cut	2554	=cut
2601		2555
2602	our $GOTOGEN;	2556	our $GOTOGEN;
2603		2557
…		…
2682	}	2636	}
2683		2637
2684	sub prepare_random_map {	2638	sub prepare_random_map {
2685	my ($exit) = @_;	2639	my ($exit) = @_;
2686		2640
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2643	# that depends on the exit object
2692		2644
2693	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2647	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
2700	}	2654	}
2701		2655
2702	$rmp->{random_seed} \|\|= $exit->random_seed;	2656	$rmp->{random_seed} \|\|= $exit->random_seed;
2703		2657
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2664	undef $fh;
2711	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
2712		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2715	}	2673	}
2716	}	2674	}
2717		2675
2718	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2720		2678
2721	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2722		2680
2723	if ($exit->slaying eq "/!") {
2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
2725	# the problem is that $exit might not survive long enough
2726	# so it needs to be done right now, right here
2727	cf::sync_job { prepare_random_map $exit };
2728	}
2729
2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731	my $hp = $exit->stats->hp;
2732	my $sp = $exit->stats->sp;
2733
2734	$self->enter_link;	2681	$self->enter_link;
2735		2682
2736	# if exit is damned, update players death & WoR home-position
2737	$self->contr->savebed ($slaying, $hp, $sp)
2738	if $exit->flag (FLAG_DAMNED);
2739
2740	(async {	2683	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2684	$Coro::current->{desc} = "enter_exit";
2742		2685
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
2745	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2746		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
2747	1;	2707	1
2748	}) {	2708	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE \| cf::NDI_RED);	2712	cf::NDI_UNIQUE \| cf::NDI_RED);
2753		2713
2754	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2820	id => "infobox",	2780	id => "infobox",
2821	title => "Body Parts",	2781	title => "Body Parts",
2822	reply => undef,	2782	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	2783	tooltip => "Shows which body parts you posess and are available",
2824	},	2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
2825	"c/uptime" => {	2791	"c/uptime" => {
2826	id => "infobox",	2792	id => "infobox",
2827	title => "Uptime",	2793	title => "Uptime",
2828	reply => undef,	2794	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	2795	tooltip => "How long the server has been running since last restart",
…		…
2843	);	2809	);
2844		2810
2845	sub cf::client::send_msg {	2811	sub cf::client::send_msg {
2846	my ($self, $channel, $msg, $color, @extra) = @_;	2812	my ($self, $channel, $msg, $color, @extra) = @_;
2847		2813
2848	$msg = $self->pl->expand_cfpod ($msg);	2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
2849		2816
2850	$color &= cf::NDI_CLIENT_MASK; # just in case...	2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
2851		2818
2852	# check predefined channels, for the benefit of C	2819	# check predefined channels, for the benefit of C
2853	if ($CHANNEL{$channel}) {	2820	if ($CHANNEL{$channel}) {
…		…
2874	if ($self->can_msg) {	2841	if ($self->can_msg) {
2875	# default colour, mask it out	2842	# default colour, mask it out
2876	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)	2843	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
2877	if $color & cf::NDI_DEF;	2844	if $color & cf::NDI_DEF;
2878		2845
2879	$self->send_packet ("msg " . $self->{json_coder}->encode (	2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
2880	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
2881	} else {	2862	} else {
2882	if ($color >= 0) {	2863	if ($color >= 0) {
2883	# replace some tags by gcfclient-compatible ones	2864	# replace some tags by gcfclient-compatible ones
2884	for ($msg) {	2865	for ($msg) {
2885	1 while	2866	1 while
…		…
3099		3080
3100	=cut	3081	=cut
3101		3082
3102	for (	3083	for (
3103	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3104	insert remove inv name archname title slaying race	3085	insert remove inv nrof name archname title slaying race
3105	decrease split destroy)],	3086	decrease split destroy change_exp)],
3106	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
3107	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
3108	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
3109	) {	3090	) {
3110	no strict 'refs';	3091	no strict 'refs';
…		…
3368	reload_treasures;	3349	reload_treasures;
3369		3350
3370	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
3371	}	3352	}
3372		3353
3373	sub init {
3374	my $guard = freeze_mainloop;
3375
3376	reload_resources;
3377	}
3378
3379	sub reload_config {	3354	sub reload_config {
3380	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
3381	or return;	3356	or return;
3382		3357
3383	local $/;	3358	local $/;
…		…
3395	};	3370	};
3396	warn $@ if $@;	3371	warn $@ if $@;
3397	}	3372	}
3398	}	3373	}
3399		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR \| O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
3400	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406
		3407	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3408
3401	# we must not ever block the main coroutine	3409	# we must not ever block the main coroutine
3402	local $Coro::idle = sub {	3410	local $Coro::idle = sub {
3403	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3411	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3404	(async {	3412	(async {
3405	$Coro::current->{desc} = "IDLE BUG HANDLER";	3413	$Coro::current->{desc} = "IDLE BUG HANDLER";
3406	EV::loop EV::LOOP_ONESHOT;	3414	EV::loop EV::LOOP_ONESHOT;
3407	})->prio (Coro::PRIO_MAX);	3415	})->prio (Coro::PRIO_MAX);
3408	};	3416	};
3409		3417
3410	{	3418	evthread_start IO::AIO::poll_fileno;
3411	my $guard = freeze_mainloop;	3419
		3420	cf::sync_job {
		3421	reload_resources;
3412	reload_config;	3422	reload_config;
3413	db_init;	3423	db_init;
		3424
		3425	cf::load_settings;
		3426	cf::load_materials;
		3427	cf::init_uuid;
		3428	cf::init_signals;
		3429	cf::init_commands;
		3430	cf::init_skills;
		3431
		3432	cf::init_beforeplay;
		3433
		3434	atomic;
		3435
3414	load_extensions;	3436	load_extensions;
3415		3437
3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3438	utime time, time, $RUNTIMEFILE;
3417	evthread_start IO::AIO::poll_fileno;	3439
		3440	# no (long-running) fork's whatsoever before this point(!)
		3441	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3442
		3443	(pop @POST_INIT)->(0) while @POST_INIT;
3418	}	3444	};
3419		3445
3420	EV::loop;	3446	EV::loop;
3421	}	3447	}
3422		3448
3423	#############################################################################	3449	#############################################################################
…		…
3432	};	3458	};
3433	}	3459	}
3434	}	3460	}
3435		3461
3436	sub write_runtime_sync {	3462	sub write_runtime_sync {
3437	my $runtime = "$LOCALDIR/runtime";
3438
3439	# first touch the runtime file to show we are still running:	3463	# first touch the runtime file to show we are still running:
3440	# the fsync below can take a very very long time.	3464	# the fsync below can take a very very long time.
3441		3465
3442	IO::AIO::aio_utime $runtime, undef, undef;	3466	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3443		3467
3444	my $guard = cf::lock_acquire "write_runtime";	3468	my $guard = cf::lock_acquire "write_runtime";
3445		3469
3446	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	3470	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY \| O_CREAT, 0644
3447	or return;	3471	or return;
3448		3472
3449	my $value = $cf::RUNTIME + 90 + 10;	3473	my $value = $cf::RUNTIME + 90 + 10;
3450	# 10 is the runtime save interval, for a monotonic clock	3474	# 10 is the runtime save interval, for a monotonic clock
3451	# 60 allows for the watchdog to kill the server.	3475	# 60 allows for the watchdog to kill the server.
…		…
3461	aio_utime $fh, undef, undef;	3485	aio_utime $fh, undef, undef;
3462		3486
3463	close $fh	3487	close $fh
3464	or return;	3488	or return;
3465		3489
3466	aio_rename "$runtime~", $runtime	3490	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3467	and return;	3491	and return;
3468		3492
3469	warn "runtime file written.\n";	3493	warn "runtime file written.\n";
3470		3494
3471	1	3495	1
…		…
3483	my $uuid = "$LOCALDIR/uuid";	3507	my $uuid = "$LOCALDIR/uuid";
3484		3508
3485	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644	3509	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
3486	or return;	3510	or return;
3487		3511
3488	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3512	my $value = uuid_seq uuid_cur;
		3513
		3514	unless ($value) {
		3515	warn "cowardly refusing to write zero uuid value!\n";
		3516	return;
		3517	}
		3518
		3519	my $value = uuid_str $value + $uuid_skip;
3489	$uuid_skip = 0;	3520	$uuid_skip = 0;
3490		3521
3491	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3522	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3492	and return;	3523	and return;
3493		3524
…		…
3515	}	3546	}
3516		3547
3517	sub emergency_save() {	3548	sub emergency_save() {
3518	my $freeze_guard = cf::freeze_mainloop;	3549	my $freeze_guard = cf::freeze_mainloop;
3519		3550
3520	warn "enter emergency perl save\n";	3551	warn "emergency_perl_save: enter\n";
3521		3552
3522	cf::sync_job {	3553	cf::sync_job {
		3554	# this is a trade-off: we want to be very quick here, so
		3555	# save all maps without fsync, and later call a global sync
		3556	# (which in turn might be very very slow)
		3557	local $USE_FSYNC = 0;
		3558
3523	# use a peculiar iteration method to avoid tripping on perl	3559	# use a peculiar iteration method to avoid tripping on perl
3524	# refcount bugs in for. also avoids problems with players	3560	# refcount bugs in for. also avoids problems with players
3525	# and maps saved/destroyed asynchronously.	3561	# and maps saved/destroyed asynchronously.
3526	warn "begin emergency player save\n";	3562	warn "emergency_perl_save: begin player save\n";
3527	for my $login (keys %cf::PLAYER) {	3563	for my $login (keys %cf::PLAYER) {
3528	my $pl = $cf::PLAYER{$login} or next;	3564	my $pl = $cf::PLAYER{$login} or next;
3529	$pl->valid or next;	3565	$pl->valid or next;
3530	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3566	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3531	$pl->save;	3567	$pl->save;
3532	}	3568	}
3533	warn "end emergency player save\n";	3569	warn "emergency_perl_save: end player save\n";
3534		3570
3535	warn "begin emergency map save\n";	3571	warn "emergency_perl_save: begin map save\n";
3536	for my $path (keys %cf::MAP) {	3572	for my $path (keys %cf::MAP) {
3537	my $map = $cf::MAP{$path} or next;	3573	my $map = $cf::MAP{$path} or next;
3538	$map->valid or next;	3574	$map->valid or next;
3539	$map->save;	3575	$map->save;
3540	}	3576	}
3541	warn "end emergency map save\n";	3577	warn "emergency_perl_save: end map save\n";
3542		3578
3543	warn "begin emergency database checkpoint\n";	3579	warn "emergency_perl_save: begin database checkpoint\n";
3544	BDB::db_env_txn_checkpoint $DB_ENV;	3580	BDB::db_env_txn_checkpoint $DB_ENV;
3545	warn "end emergency database checkpoint\n";	3581	warn "emergency_perl_save: end database checkpoint\n";
3546		3582
3547	warn "begin write uuid\n";	3583	warn "emergency_perl_save: begin write uuid\n";
3548	write_uuid_sync 1;	3584	write_uuid_sync 1;
3549	warn "end write uuid\n";	3585	warn "emergency_perl_save: end write uuid\n";
3550	};	3586	};
3551		3587
		3588	warn "emergency_perl_save: starting sync()\n";
		3589	IO::AIO::aio_sync sub {
		3590	warn "emergency_perl_save: finished sync()\n";
		3591	};
		3592
3552	warn "leave emergency perl save\n";	3593	warn "emergency_perl_save: leave\n";
3553	}	3594	}
3554		3595
3555	sub post_cleanup {	3596	sub post_cleanup {
3556	my ($make_core) = @_;	3597	my ($make_core) = @_;
3557		3598
3558	warn Carp::longmess "post_cleanup backtrace"	3599	warn Carp::longmess "post_cleanup backtrace"
3559	if $make_core;	3600	if $make_core;
		3601
		3602	my $fh = pidfile;
		3603	unlink $PIDFILE if <$fh> == $$;
		3604	}
		3605
		3606	# a safer delete_package, copied from Symbol
		3607	sub clear_package($) {
		3608	my $pkg = shift;
		3609
		3610	# expand to full symbol table name if needed
		3611	unless ($pkg =~ /^main::.*::$/) {
		3612	$pkg = "main$pkg" if $pkg =~ /^::/;
		3613	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3614	$pkg .= '::' unless $pkg =~ /::$/;
		3615	}
		3616
		3617	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3618	my $stem_symtab = *{$stem}{HASH};
		3619
		3620	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3621	or return;
		3622
		3623	# clear all symbols
		3624	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3625	for my $name (keys %$leaf_symtab) {
		3626	_gv_clear *{"$pkg$name"};
		3627	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3628	}
		3629	warn "cleared package $pkg\n";#d#
3560	}	3630	}
3561		3631
3562	sub do_reload_perl() {	3632	sub do_reload_perl() {
3563	# can/must only be called in main	3633	# can/must only be called in main
3564	if ($Coro::current != $Coro::main) {	3634	if ($Coro::current != $Coro::main) {
3565	warn "can only reload from main coroutine";	3635	warn "can only reload from main coroutine";
3566	return;	3636	return;
3567	}	3637	}
3568		3638
		3639	return if $RELOAD++;
		3640
		3641	my $t1 = EV::time;
		3642
		3643	while ($RELOAD) {
3569	warn "reloading...";	3644	warn "reloading...";
3570		3645
3571	warn "entering sync_job";	3646	warn "entering sync_job";
3572		3647
3573	cf::sync_job {	3648	cf::sync_job {
3574	cf::write_runtime_sync; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
3575	cf::emergency_save;	3650	cf::emergency_save;
3576	cf::write_runtime_sync; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
3577		3652
3578	warn "syncing database to disk";	3653	warn "syncing database to disk";
3579	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
3580		3655
3581	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
3582		3657
3583	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
3584	for (;;) {
3585	BDB::flush;
3586	IO::AIO::flush;
3587	Coro::cede_notself;
3588	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3659	while (IO::AIO::nreqs \|\| BDB::nreqs) {
3589	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3590	}
3591
3592	++$RELOAD;
3593
3594	warn "cancelling all extension coros";
3595	$_->cancel for values %EXT_CORO;
3596	%EXT_CORO = ();
3597
3598	warn "removing commands";
3599	%COMMAND = ();
3600
3601	warn "removing ext/exti commands";
3602	%EXTCMD = ();
3603	%EXTICMD = ();
3604
3605	warn "unloading/nuking all extensions";
3606	for my $pkg (@EXTS) {
3607	warn "... unloading $pkg";
3608
3609	if (my $cb = $pkg->can ("unload")) {
3610	eval {
3611	$cb->($pkg);
3612	1
3613	} or warn "$pkg unloaded, but with errors: $@";
3614	}	3661	}
3615		3662
3616	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
3617	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
3618	}	3665	%EXT_CORO = ();
3619		3666
3620	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
3621	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
3622	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3623		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
3624	warn "... unloading $k";	3676	warn "... unloading $pkg";
3625	delete $INC{$k};
3626		3677
3627	$k =~ s/\.pm$//;
3628	$k =~ s/\//::/g;
3629
3630	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
3631	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
3632	}	3687	}
3633		3688
3634	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
3635	}	3704	}
3636		3705
3637	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
3638	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
3639	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3640		3709
3641	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
3642	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
3643	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
3644		3713
3645	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
3646	# and global variables created in xs	3715	# and global variables created in xs
3647	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
3648		3717
3649	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
3650		3719
3651	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
3652	require cf;	3721	require cf;
3653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3654		3723
3655	warn "loading config and database again";	3724	warn "loading config and database again";
3656	cf::reload_config;	3725	cf::reload_config;
3657		3726
3658	warn "loading extensions";	3727	warn "loading extensions";
3659	cf::load_extensions;	3728	cf::load_extensions;
3660		3729
		3730	if ($REATTACH_ON_RELOAD) {
3661	warn "reattaching attachments to objects/players";	3731	warn "reattaching attachments to objects/players";
3662	_global_reattach; # objects, sockets	3732	_global_reattach; # objects, sockets
3663	warn "reattaching attachments to maps";	3733	warn "reattaching attachments to maps";
3664	reattach $_ for values %MAP;	3734	reattach $_ for values %MAP;
3665	warn "reattaching attachments to players";	3735	warn "reattaching attachments to players";
3666	reattach $_ for values %PLAYER;	3736	reattach $_ for values %PLAYER;
		3737	}
3667		3738
		3739	warn "running post_init jobs";
		3740	(pop @POST_INIT)->(1) while @POST_INIT;
		3741
3668	warn "leaving sync_job";	3742	warn "leaving sync_job";
3669		3743
3670	1	3744	1
3671	} or do {	3745	} or do {
3672	warn $@;	3746	warn $@;
3673	cf::cleanup "error while reloading, exiting.";	3747	cf::cleanup "error while reloading, exiting.";
3674	};	3748	};
3675		3749
3676	warn "reloaded";	3750	warn "reloaded";
		3751	--$RELOAD;
		3752	}
		3753
		3754	$t1 = EV::time - $t1;
		3755	warn "reload completed in ${t1}s\n";
3677	};	3756	};
3678		3757
3679	our $RELOAD_WATCHER; # used only during reload	3758	our $RELOAD_WATCHER; # used only during reload
3680		3759
3681	sub reload_perl() {	3760	sub reload_perl() {
3682	# doing reload synchronously and two reloads happen back-to-back,	3761	# doing reload synchronously and two reloads happen back-to-back,
3683	# coro crashes during coro_state_free->destroy here.	3762	# coro crashes during coro_state_free->destroy here.
3684		3763
		3764	$RELOAD_WATCHER \|\|= cf::async {
		3765	Coro::AIO::aio_wait cache_extensions;
		3766
3685	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {	3767	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3686	do_reload_perl;	3768	do_reload_perl;
3687	undef $RELOAD_WATCHER;	3769	undef $RELOAD_WATCHER;
		3770	};
3688	};	3771	};
3689	}	3772	}
3690		3773
3691	register_command "reload" => sub {	3774	register_command "reload" => sub {
3692	my ($who, $arg) = @_;	3775	my ($who, $arg) = @_;
…		…
3763	{	3846	{
3764	# configure BDB	3847	# configure BDB
3765		3848
3766	BDB::min_parallel 8;	3849	BDB::min_parallel 8;
3767	BDB::max_poll_reqs $TICK * 0.1;	3850	BDB::max_poll_reqs $TICK * 0.1;
3768	$Coro::BDB::WATCHER->priority (1);	3851	$AnyEvent::BDB::WATCHER->priority (1);
3769		3852
3770	unless ($DB_ENV) {	3853	unless ($DB_ENV) {
3771	$DB_ENV = BDB::db_env_create;	3854	$DB_ENV = BDB::db_env_create;
3772	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3855	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT);
3773	\| BDB::LOG_AUTOREMOVE, 1);	3856	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3857	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3774	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3858	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3775	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3859	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3776		3860
3777	cf::sync_job {	3861	cf::sync_job {
3778	eval {	3862	eval {
…		…
3804	{	3888	{
3805	# configure IO::AIO	3889	# configure IO::AIO
3806		3890
3807	IO::AIO::min_parallel 8;	3891	IO::AIO::min_parallel 8;
3808	IO::AIO::max_poll_time $TICK * 0.1;	3892	IO::AIO::max_poll_time $TICK * 0.1;
3809	$Coro::AIO::WATCHER->priority (1);	3893	undef $AnyEvent::AIO::WATCHER;
3810	}	3894	}
3811		3895
3812	my $_log_backtrace;	3896	my $_log_backtrace;
3813		3897
3814	sub _log_backtrace {	3898	sub _log_backtrace {
…		…
3817	$msg =~ s/\n//;	3901	$msg =~ s/\n//;
3818		3902
3819	# limit the # of concurrent backtraces	3903	# limit the # of concurrent backtraces
3820	if ($_log_backtrace < 2) {	3904	if ($_log_backtrace < 2) {
3821	++$_log_backtrace;	3905	++$_log_backtrace;
		3906	my $perl_bt = Carp::longmess $msg;
3822	async {	3907	async {
3823	$Coro::current->{desc} = "abt $msg";	3908	$Coro::current->{desc} = "abt $msg";
3824		3909
3825	my @bt = fork_call {	3910	my @bt = fork_call {
3826	@addr = map { sprintf "%x", $_ } @addr;	3911	@addr = map { sprintf "%x", $_ } @addr;
…		…
3837	}	3922	}
3838		3923
3839	@funcs	3924	@funcs
3840	};	3925	};
3841		3926
3842	LOG llevInfo, "[ABT] $msg\n";	3927	LOG llevInfo, "[ABT] $perl_bt\n";
		3928	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3843	LOG llevInfo, "[ABT] $_\n" for @bt;	3929	LOG llevInfo, "[ABT] $_\n" for @bt;
3844	--$_log_backtrace;	3930	--$_log_backtrace;
3845	};	3931	};
3846	} else {	3932	} else {
3847	LOG llevInfo, "[ABT] $msg\n";	3933	LOG llevInfo, "[ABT] $msg\n";

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.426 by root, Thu Apr 24 04:40:31 2008 UTC vs. Revision 1.461 by root, Fri Dec 19 22:47:29 2008 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.426 by root, Thu Apr 24 04:40:31 2008 UTC vs.
Revision 1.461 by root, Fri Dec 19 22:47:29 2008 UTC