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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC vs.
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
21		24
22	use BDB ();	25	use BDB ();
23	use Data::Dumper;	26	use Data::Dumper;
24	use Digest::MD5;	27	use Digest::MD5;
25	use Fcntl;	28	use Fcntl;
…		…
28	use Time::HiRes;	31	use Time::HiRes;
29	use Compress::LZF;	32	use Compress::LZF;
30		33
31	# configure various modules to our taste	34	# configure various modules to our taste
32	#	35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		39
36	$Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
37		41
…		…
50	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
52		56
53	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
54	our @EVENT;	58	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		59
57	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	73	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	76	our $NEXT_TICK;
62	our $NOW;	77	our $NOW;
…		…
71	our $RUNTIME;	86	our $RUNTIME;
72		87
73	our %PLAYER; # all users	88	our %PLAYER; # all users
74	our %MAP; # all maps	89	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
81		91
82	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		94
85	binmode STDOUT;	95	binmode STDOUT;
86	binmode STDERR;	96	binmode STDERR;
87		97
88	# read virtual server time, if available	98	# read virtual server time, if available
89	unless ($RUNTIME \|\| !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
93	}	103	}
94		104
95	mkdir cf::localdir;	105	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		107
102	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
103		109
104	sub cf::map::normalise;	110	sub cf::map::normalise;
105		111
…		…
116	=item $cf::RUNTIME	122	=item $cf::RUNTIME
117		123
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	125	every server tick.
120		126
121	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		130
123	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
125		135
126	=item $cf::NOW	136	=item $cf::NOW
127		137
128	The time of the last (current) server tick.	138	The time of the last (current) server tick.
129		139
…		…
134	=item %cf::CFG	144	=item %cf::CFG
135		145
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	147	from wherever your confdir points to.
138		148
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		150
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	152	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.
145		154
146	=back	155	=back
147		156
148	=cut	157	=cut
149		158
150	BEGIN {	159	BEGIN {
151	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	161	my $msg = join "", @_;
153	utf8::encode $msg;
154		162
155	$msg .= "\n"	163	$msg .= "\n"
156	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
157		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
158	LOG llevError, $msg;	169	LOG llevError, $msg;
159	};	170	};
160	}	171	}
161		172
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
232	returned.	243	returned.
233		244
234	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
236		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
237	=cut	252	=cut
238		253
239	our %LOCK;	254	our %LOCK;
240		255
241	sub lock_wait($) {	256	sub lock_wait($) {
…		…
258		273
259	Coro::guard {	274	Coro::guard {
260	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
262	}	277	}
		278	}
		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
263	}	284	}
264		285
265	sub freeze_mainloop {	286	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
267		288
…		…
348	}	369	}
349		370
350	sub write_runtime {	371	sub write_runtime {
351	my $guard = cf::lock_acquire "write_runtime";	372	my $guard = cf::lock_acquire "write_runtime";
352		373
353	my $runtime = cf::localdir . "/runtime";	374	my $runtime = "$LOCALDIR/runtime";
354		375
355	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
356	or return;	377	or return;
357		378
358	my $value = $cf::RUNTIME + 90 + 10;	379	my $value = $cf::RUNTIME + 90 + 10;
…		…
953	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
954		975
955	=cut	976	=cut
956		977
957	sub playerdir($) {	978	sub playerdir($) {
958	cf::localdir	979	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	981	}
964		982
965	sub path($) {	983	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		985
968	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
969	}	987	}
970		988
971	sub find_active($) {	989	sub find_active($) {
972	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1004	my $login = $_[0];
987		1005
988	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
989		1007
990	$cf::PLAYER{$_[0]} \|\| do {	1008	$cf::PLAYER{$_[0]} \|\| do {
		1009	# rename old playerfiles to new ones
		1010	#TODO: remove when no longer required
		1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1014	aio_unlink +(playerdir $login) . "/$login.pl";
		1015
991	my $pl = load_pl path $login	1016	my $pl = load_pl path $login
992	or return;	1017	or return;
993	$cf::PLAYER{$login} = $pl	1018	$cf::PLAYER{$login} = $pl
994	}	1019	}
995	}	1020	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1104	while and may block, so not sync_job-capable, ever.
1080		1105
1081	=cut	1106	=cut
1082		1107
1083	sub list_logins {	1108	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1109	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1110	or return [];
1086		1111
1087	my @logins;	1112	my @logins;
1088		1113
1089	for my $login (@$dirs) {	1114	for my $login (@$dirs) {
…		…
1150	my ($self, $type, %msg) = @_;	1175	my ($self, $type, %msg) = @_;
1151		1176
1152	$self->ns->ext_event ($type, %msg);	1177	$self->ns->ext_event ($type, %msg);
1153	}	1178	}
1154		1179
1155	package cf;	1180	=head3 cf::region
		1181
		1182	=over 4
		1183
		1184	=cut
		1185
		1186	package cf::region;
		1187
		1188	=item cf::region::find_by_path $path
		1189
		1190	Tries to decuce the probable region for a map knowing only its path.
		1191
		1192	=cut
		1193
		1194	sub find_by_path($) {
		1195	my ($path) = @_;
		1196
		1197	my ($match, $specificity);
		1198
		1199	for my $region (list) {
		1200	if ($region->match && $path =~ $region->match) {
		1201	($match, $specificity) = ($region, $region->specificity)
		1202	if $region->specificity > $specificity;
		1203	}
		1204	}
		1205
		1206	$match
		1207	}
1156		1208
1157	=back	1209	=back
1158
1159		1210
1160	=head3 cf::map	1211	=head3 cf::map
1161		1212
1162	=over 4	1213	=over 4
1163		1214
…		…
1301		1352
1302	# the original (read-only) location	1353	# the original (read-only) location
1303	sub load_path {	1354	sub load_path {
1304	my ($self) = @_;	1355	my ($self) = @_;
1305		1356
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1357	"$MAPDIR/$self->{path}.map"
1307	}	1358	}
1308		1359
1309	# the temporary/swap location	1360	# the temporary/swap location
1310	sub save_path {	1361	sub save_path {
1311	my ($self) = @_;	1362	my ($self) = @_;
1312		1363
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1365	"$TMPDIR/$path.map"
1315	}	1366	}
1316		1367
1317	# the unique path, undef == no special unique path	1368	# the unique path, undef == no special unique path
1318	sub uniq_path {	1369	sub uniq_path {
1319	my ($self) = @_;	1370	my ($self) = @_;
1320		1371
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1373	"$UNIQUEDIR/$path"
1323	}	1374	}
1324		1375
1325	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1326	# all maps in C++...	1377	# all maps in C++...
1327	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1394	$self->load_header_orig	1445	$self->load_header_orig
1395	or return;	1446	or return;
1396	$self->prepare_orig;	1447	$self->prepare_orig;
1397	}	1448	}
1398		1449
		1450	$self->default_region (cf::region::find_by_path $self->{path})
		1451	unless $self->default_region;
		1452
1399	1	1453	1
1400	}	1454	}
1401		1455
1402	sub find;	1456	sub find;
1403	sub find {	1457	sub find {
…		…
1436	my ($self) = @_;	1490	my ($self) = @_;
1437		1491
1438	local $self->{deny_reset} = 1; # loading can take a long time	1492	local $self->{deny_reset} = 1; # loading can take a long time
1439		1493
1440	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1441	my $guard = cf::lock_acquire "map_load:$path";	1497	my $guard = cf::lock_acquire "map_load:$path";
1442		1498
1443	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1444		1500
1445	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1446		1502
1447	$self->alloc;	1503	$self->alloc;
1448		1504
1449	$self->pre_load;	1505	$self->pre_load;
1450
1451	$self->_load_objects ($self->{load_path}, 1)
1452	or return;
1453
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};
1456
1457	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {
1460	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);
1462	}
1463	}
1464
1465	Coro::cede;
1466
1467	# now do the right thing for maps
1468	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;	1506	Coro::cede;
1475	$self->set_darkness_map;	1507
		1508	$self->_load_objects ($self->{load_path}, 1)
		1509	or return;
		1510
		1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1512	if delete $self->{load_original};
		1513
		1514	if (my $uniq = $self->uniq_path) {
		1515	utf8::encode $uniq;
		1516	if (aio_open $uniq, O_RDONLY, 0) {
		1517	$self->clear_unique_items;
		1518	$self->_load_objects ($uniq, 0);
		1519	}
		1520	}
		1521
		1522	Coro::cede;
		1523	# now do the right thing for maps
		1524	$self->link_multipart_objects;
1476	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	1526	unless $self->difficulty;
1478	Coro::cede;	1527	Coro::cede;
		1528
		1529	unless ($self->{deny_activate}) {
		1530	$self->decay_objects;
		1531	$self->fix_auto_apply;
		1532	$self->update_buttons;
		1533	Coro::cede;
		1534	$self->set_darkness_map;
		1535	Coro::cede;
1479	$self->activate;	1536	$self->activate;
		1537	}
		1538
		1539	$self->in_memory (cf::MAP_IN_MEMORY);
1480	}	1540	}
1481		1541
1482	$self->post_load;	1542	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	1543	}
1486		1544
1487	sub customise_for {	1545	sub customise_for {
1488	my ($self, $ob) = @_;	1546	my ($self, $ob) = @_;
1489		1547
…		…
1680	instantiated unique items. May block.	1738	instantiated unique items. May block.
1681		1739
1682	=cut	1740	=cut
1683		1741
1684	sub unique_maps() {	1742	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1743	my $files = aio_readdir $UNIQUEDIR
1686	or return;	1744	or return;
1687		1745
1688	my @paths;	1746	my @paths;
1689		1747
1690	for (@$files) {	1748	for (@$files) {
…		…
1803	$LINK_MAP	1861	$LINK_MAP
1804	}	1862	}
1805		1863
1806	sub cf::object::player::enter_link {	1864	sub cf::object::player::enter_link {
1807	my ($self) = @_;	1865	my ($self) = @_;
1808
1809	$self->deactivate_recursive;
1810		1866
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	1867	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		1868
1813	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	1869	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	1870	if $self->map;
…		…
1946		2002
1947	$rmp->{random_seed} \|\|= $exit->random_seed;	2003	$rmp->{random_seed} \|\|= $exit->random_seed;
1948		2004
1949	my $data = cf::to_json $rmp;	2005	my $data = cf::to_json $rmp;
1950	my $md5 = Digest::MD5::md5_hex $data;	2006	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2007	my $meta = "$RANDOMDIR/$md5.meta";
1952		2008
1953	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2009	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2010	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2011	undef $fh;
1956	aio_rename "$meta~", $meta;	2012	aio_rename "$meta~", $meta;
…		…
2225	#############################################################################	2281	#############################################################################
2226		2282
2227	=head2 EXTENSION DATABASE SUPPORT	2283	=head2 EXTENSION DATABASE SUPPORT
2228		2284
2229	Crossfire maintains a very simple database for extension use. It can	2285	Crossfire maintains a very simple database for extension use. It can
2230	currently store anything that can be serialised using Storable, which	2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2231	excludes objects.	2287	convert to/from binary).
2232		2288
2233	The parameter C<$family> should best start with the name of the extension	2289	The parameter C<$family> should best start with the name of the extension
2234	using it, it should be unique.	2290	using it, it should be unique.
2235		2291
2236	=over 4	2292	=over 4
…		…
2259	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;	2315	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2260	cf::cleanup "db_open(db): $!" if $!;	2316	cf::cleanup "db_open(db): $!" if $!;
2261	};	2317	};
2262	cf::cleanup "db_open(db): $@" if $@;	2318	cf::cleanup "db_open(db): $@" if $@;
2263	};	2319	};
2264
2265	my $path = cf::localdir . "/database.pst";
2266	if (stat $path) {
2267	cf::sync_job {
2268	my $pst = Storable::retrieve $path;
2269
2270	cf::db_put (board => data => $pst->{board});
2271	cf::db_put (guildrules => data => $pst->{guildrules});
2272	cf::db_put (rent => balance => $pst->{rent}{balance});
2273	BDB::db_env_txn_checkpoint $DB_ENV;
2274
2275	unlink $path;
2276	};
2277	}
2278	}	2320	}
2279	}	2321	}
2280		2322
2281	sub db_get($$) {	2323	sub db_get($$) {
2282	my $key = "$_[0]/$_[1]";	2324	my $key = "$_[0]/$_[1]";
2283		2325
2284	cf::sync_job {	2326	cf::sync_job {
2285	BDB::db_get $DB, undef, $key, my $data;	2327	BDB::db_get $DB, undef, $key, my $data;
2286		2328
2287	$! ? ()	2329	$! ? ()
2288	: Compress::LZF::sthaw $data	2330	: $data
2289	}	2331	}
2290	}	2332	}
2291		2333
2292	sub db_put($$$) {	2334	sub db_put($$$) {
2293	BDB::dbreq_pri 4;	2335	BDB::dbreq_pri 4;
2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2295	}	2337	}
		2338
		2339	=item cf::cache $id => [$paths...], $processversion => $process
		2340
		2341	Generic caching function that returns the value of the resource $id,
		2342	caching and regenerating as required.
		2343
		2344	This function can block.
		2345
		2346	=cut
		2347
		2348	sub cache {
		2349	my ($id, $src, $processversion, $process) = @_;
		2350
		2351	my $meta =
		2352	join "\x00",
		2353	$processversion,
		2354	map {
		2355	aio_stat $_
		2356	and Carp::croak "$_: $!";
		2357
		2358	($_, (stat _)[7,9])
		2359	} @$src;
		2360
		2361	my $dbmeta = db_get cache => "$id/meta";
		2362	if ($dbmeta ne $meta) {
		2363	# changed, we may need to process
		2364
		2365	my @data;
		2366	my $md5;
		2367
		2368	for (0 .. $#$src) {
		2369	0 <= aio_load $src->[$_], $data[$_]
		2370	or Carp::croak "$src->[$_]: $!";
		2371	}
		2372
		2373	# if processing is expensive, check
		2374	# checksum first
		2375	if (1) {
		2376	$md5 =
		2377	join "\x00",
		2378	$processversion,
		2379	map {
		2380	Coro::cede;
		2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2382	} 0.. $#$src;
		2383
		2384
		2385	my $dbmd5 = db_get cache => "$id/md5";
		2386	if ($dbmd5 eq $md5) {
		2387	db_put cache => "$id/meta", $meta;
		2388
		2389	return db_get cache => "$id/data";
		2390	}
		2391	}
		2392
		2393	my $t1 = Time::HiRes::time;
		2394	my $data = $process->(\@data);
		2395	my $t2 = Time::HiRes::time;
		2396
		2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2398
		2399	db_put cache => "$id/data", $data;
		2400	db_put cache => "$id/md5" , $md5;
		2401	db_put cache => "$id/meta", $meta;
		2402
		2403	return $data;
		2404	}
		2405
		2406	db_get cache => "$id/data"
		2407	}
		2408
		2409	=item fork_call { }, $args
		2410
		2411	Executes the given code block with the given arguments in a seperate
		2412	process, returning the results. Everything must be serialisable with
		2413	Coro::Storable. May, of course, block. Note that the executed sub may
		2414	never block itself or use any form of Event handling.
		2415
		2416	=cut
		2417
		2418	sub fork_call(&@) {
		2419	my ($cb, @args) = @_;
		2420
		2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2422	# or die "socketpair: $!";
		2423	pipe my $fh1, my $fh2
		2424	or die "pipe: $!";
		2425
		2426	if (my $pid = fork) {
		2427	close $fh2;
		2428
		2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2430	$res = Coro::Storable::thaw $res;
		2431
		2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2433
		2434	die $$res unless "ARRAY" eq ref $res;
		2435
		2436	return wantarray ? @$res : $res->[-1];
		2437	} else {
		2438	local $SIG{__WARN__};
		2439	eval {
		2440	local $SIG{__DIE__};
		2441	close $fh1;
		2442
		2443	my @res = eval { $cb->(@args) };
		2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2445	};
		2446
		2447	warn $@ if $@;
		2448	_exit 0;
		2449	}
		2450	}
		2451
		2452
2296		2453
2297	#############################################################################	2454	#############################################################################
2298	# the server's init and main functions	2455	# the server's init and main functions
2299		2456
2300	sub load_facedata {	2457	sub load_facedata($) {
2301	my $path = sprintf "%s/facedata", cf::datadir;	2458	my ($path) = @_;
2302		2459
2303	warn "loading facedata from $path\n";	2460	warn "loading facedata from $path\n";
2304		2461
2305	my $faces;	2462	my $facedata;
2306	0 < aio_load $path, $faces	2463	0 < aio_load $path, $facedata
2307	or die "$path: $!";	2464	or die "$path: $!";
2308		2465
2309	Coro::cede;
2310	$faces = Storable::thaw $faces;	2466	$facedata = Coro::Storable::thaw $facedata;
2311	Coro::cede;
2312		2467
2313	my $meta = delete $faces->{""};
2314	$meta->{version} == 1	2468	$facedata->{version} == 2
2315	or cf::cleanup "$path: version mismatch, cannot proceed.";	2469	or cf::cleanup "$path: version mismatch, cannot proceed.";
2316		2470
		2471	{
		2472	my $faces = $facedata->{faceinfo};
		2473
2317	while (my ($face, $info) = each %$faces) {	2474	while (my ($face, $info) = each %$faces) {
2318	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	2475	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2322	Coro::cede;	2479	Coro::cede;
2323	}	2480	}
2324		2481
2325	while (my ($face, $info) = each %$faces) {	2482	while (my ($face, $info) = each %$faces) {
2326	next unless $info->{smooth};	2483	next unless $info->{smooth};
2327	my $idx = cf::face::find $face	2484	my $idx = cf::face::find $face
2328	or next;	2485	or next;
2329	if (my $smooth = cf::face::find $info->{smooth}) {	2486	if (my $smooth = cf::face::find $info->{smooth}) {
2330	cf::face::set_smooth $idx, $smooth;	2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2331	} else {	2488	} else {
2332	warn "smooth face '$info->{smooth}' not found for face '$face'";	2489	warn "smooth face '$info->{smooth}' not found for face '$face'";
2333	}	2490	}
2334	Coro::cede;	2491	Coro::cede;
		2492	}
		2493	}
		2494
		2495	{
		2496	my $anims = $facedata->{animinfo};
		2497
		2498	while (my ($anim, $info) = each %$anims) {
		2499	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2500	Coro::cede;
		2501	}
		2502
		2503	cf::anim::invalidate_all; # d'oh
2335	}	2504	}
2336		2505
2337	1	2506	1
2338	}	2507	}
2339		2508
		2509	sub reload_regions {
		2510	load_resource_file "$MAPDIR/regions"
		2511	or die "unable to load regions file\n";
		2512	}
		2513
		2514	sub reload_facedata {
		2515	load_facedata "$DATADIR/facedata"
		2516	or die "unable to load facedata\n";
		2517	}
		2518
		2519	sub reload_archetypes {
		2520	load_resource_file "$DATADIR/archetypes"
		2521	or die "unable to load archetypes\n";
		2522	}
		2523
		2524	sub reload_treasures {
		2525	load_resource_file "$DATADIR/treasures"
		2526	or die "unable to load treasurelists\n";
		2527	}
		2528
2340	sub reload_resources {	2529	sub reload_resources {
2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2530	warn "reloading resource files...\n";
2342	or die "unable to load regions file\n";#d#	2531
		2532	reload_regions;
2343	load_facedata	2533	reload_facedata;
2344	or die "unable to load facedata\n";#d#	2534	reload_archetypes;
		2535	reload_treasures;
		2536
		2537	warn "finished reloading resource files\n";
2345	}	2538	}
2346		2539
2347	sub init {	2540	sub init {
2348	reload_resources;	2541	reload_resources;
2349	}	2542	}
2350		2543
2351	sub cfg_load {	2544	sub cfg_load {
2352	open my $fh, "<:utf8", cf::confdir . "/config"	2545	open my $fh, "<:utf8", "$CONFDIR/config"
2353	or return;	2546	or return;
2354		2547
2355	local $/;	2548	local $/;
2356	*CFG = YAML::Syck::Load <$fh>;	2549	*CFG = YAML::Syck::Load <$fh>;
2357		2550
…		…
2442		2635
2443	warn Carp::longmess "post_cleanup backtrace"	2636	warn Carp::longmess "post_cleanup backtrace"
2444	if $make_core;	2637	if $make_core;
2445	}	2638	}
2446		2639
2447	sub reload() {	2640	sub do_reload_perl() {
2448	# can/must only be called in main	2641	# can/must only be called in main
2449	if ($Coro::current != $Coro::main) {	2642	if ($Coro::current != $Coro::main) {
2450	warn "can only reload from main coroutine";	2643	warn "can only reload from main coroutine";
2451	return;	2644	return;
2452	}	2645	}
…		…
2527	Symbol::delete_package "safe::$_"	2720	Symbol::delete_package "safe::$_"
2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2721	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2529		2722
2530	warn "unloading cf.pm \"a bit\"";	2723	warn "unloading cf.pm \"a bit\"";
2531	delete $INC{"cf.pm"};	2724	delete $INC{"cf.pm"};
		2725	delete $INC{"cf/pod.pm"};
2532		2726
2533	# don't, removes xs symbols, too,	2727	# don't, removes xs symbols, too,
2534	# and global variables created in xs	2728	# and global variables created in xs
2535	#Symbol::delete_package __PACKAGE__;	2729	#Symbol::delete_package __PACKAGE__;
2536		2730
…		…
2551	warn "reattaching attachments to maps";	2745	warn "reattaching attachments to maps";
2552	reattach $_ for values %MAP;	2746	reattach $_ for values %MAP;
2553	warn "reattaching attachments to players";	2747	warn "reattaching attachments to players";
2554	reattach $_ for values %PLAYER;	2748	reattach $_ for values %PLAYER;
2555		2749
2556	warn "loading reloadable resources";
2557	reload_resources;
2558
2559	warn "leaving sync_job";	2750	warn "leaving sync_job";
2560		2751
2561	1	2752	1
2562	} or do {	2753	} or do {
2563	warn $@;	2754	warn $@;
…		…
2568	warn "reloaded";	2759	warn "reloaded";
2569	};	2760	};
2570		2761
2571	our $RELOAD_WATCHER; # used only during reload	2762	our $RELOAD_WATCHER; # used only during reload
2572		2763
		2764	sub reload_perl() {
		2765	# doing reload synchronously and two reloads happen back-to-back,
		2766	# coro crashes during coro_state_free->destroy here.
		2767
		2768	$RELOAD_WATCHER \|\|= Event->timer (
		2769	reentrant => 0,
		2770	after => 0,
		2771	data => WF_AUTOCANCEL,
		2772	cb => sub {
		2773	do_reload_perl;
		2774	undef $RELOAD_WATCHER;
		2775	},
		2776	);
		2777	}
		2778
2573	register_command "reload" => sub {	2779	register_command "reload" => sub {
2574	my ($who, $arg) = @_;	2780	my ($who, $arg) = @_;
2575		2781
2576	if ($who->flag (FLAG_WIZ)) {	2782	if ($who->flag (FLAG_WIZ)) {
2577	$who->message ("reloading server.");	2783	$who->message ("reloading server.");
2578		2784	async { reload_perl };
2579	# doing reload synchronously and two reloads happen back-to-back,
2580	# coro crashes during coro_state_free->destroy here.
2581
2582	$RELOAD_WATCHER \|\|= Event->timer (
2583	reentrant => 0,
2584	after => 0,
2585	data => WF_AUTOCANCEL,
2586	cb => sub {
2587	reload;
2588	undef $RELOAD_WATCHER;
2589	},
2590	);
2591	}	2785	}
2592	};	2786	};
2593		2787
2594	unshift @INC, $LIBDIR;	2788	unshift @INC, $LIBDIR;
2595		2789
2596	my $bug_warning = 0;	2790	my $bug_warning = 0;
		2791
		2792	our @WAIT_FOR_TICK;
		2793	our @WAIT_FOR_TICK_BEGIN;
		2794
		2795	sub wait_for_tick {
		2796	return unless $TICK_WATCHER->is_active;
		2797	return if $Coro::current == $Coro::main;
		2798
		2799	my $signal = new Coro::Signal;
		2800	push @WAIT_FOR_TICK, $signal;
		2801	$signal->wait;
		2802	}
		2803
		2804	sub wait_for_tick_begin {
		2805	return unless $TICK_WATCHER->is_active;
		2806	return if $Coro::current == $Coro::main;
		2807
		2808	my $signal = new Coro::Signal;
		2809	push @WAIT_FOR_TICK_BEGIN, $signal;
		2810	$signal->wait;
		2811	}
2597		2812
2598	$TICK_WATCHER = Event->timer (	2813	$TICK_WATCHER = Event->timer (
2599	reentrant => 0,	2814	reentrant => 0,
2600	parked => 1,	2815	parked => 1,
2601	prio => 0,	2816	prio => 0,
…		…
2609	}	2824	}
2610		2825
2611	$NOW = Event::time;	2826	$NOW = Event::time;
2612		2827
2613	cf::server_tick; # one server iteration	2828	cf::server_tick; # one server iteration
		2829
2614	$RUNTIME += $TICK;	2830	$RUNTIME += $TICK;
2615	$NEXT_TICK += $TICK;	2831	$NEXT_TICK += $TICK;
2616		2832
2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618	$NEXT_RUNTIME_WRITE = $NOW + 10;	2834	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2620	write_runtime	2836	write_runtime
2621	or warn "ERROR: unable to write runtime file: $!";	2837	or warn "ERROR: unable to write runtime file: $!";
2622	};	2838	};
2623	}	2839	}
2624		2840
2625	$WAIT_FOR_TICK->broadcast;
2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2627
2628	# my $AFTER = Event::time;	2841	# my $AFTER = Event::time;
2629	# warn $AFTER - $NOW;#d#	2842	# warn $AFTER - $NOW;#d#
2630		2843
2631	# if we are delayed by four ticks or more, skip them all	2844	# if we are delayed by four ticks or more, skip them all
2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2633		2846
2634	$TICK_WATCHER->at ($NEXT_TICK);	2847	$TICK_WATCHER->at ($NEXT_TICK);
2635	$TICK_WATCHER->start;	2848	$TICK_WATCHER->start;
		2849
		2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2851	$sig->send;
		2852	}
		2853	while (my $sig = shift @WAIT_FOR_TICK) {
		2854	$sig->send;
		2855	}
		2856
		2857	_post_tick;
2636	},	2858	},
2637	);	2859	);
2638		2860
2639	{	2861	{
2640	BDB::max_poll_time $TICK * 0.1;	2862	BDB::max_poll_time $TICK * 0.1;
…		…
2668		2890
2669	cf::sync_job {	2891	cf::sync_job {
2670	eval {	2892	eval {
2671	BDB::db_env_open	2893	BDB::db_env_open
2672	$DB_ENV,	2894	$DB_ENV,
2673	$BDB_ENV_DIR,	2895	$BDBDIR,
2674	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN	2896	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
2675	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,	2897	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
2676	0666;	2898	0666;
2677		2899
2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2679		2901
2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);	2902	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
2681	$DB_ENV->set_lk_detect;	2903	$DB_ENV->set_lk_detect;
2682	};	2904	};
2683		2905
…		…
2699	prio => 6,	2921	prio => 6,
2700	cb => \&IO::AIO::poll_cb,	2922	cb => \&IO::AIO::poll_cb,
2701	);	2923	);
2702	}	2924	}
2703		2925
		2926	# load additional modules
		2927	use cf::pod;
		2928
2704	END { cf::emergency_save }	2929	END { cf::emergency_save }
2705		2930
2706	1	2931	1
2707		2932

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC vs. Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC vs.
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC