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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.247 by root, Tue Apr 17 18:24:30 2007 UTC vs.
Revision 1.266 by root, Fri May 18 01:01:02 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 3.61 ();	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;
…		…
52	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
54		56
55	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
56	our @EVENT;	58	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	59
		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";
58		71
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	73	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
…		…
73	our $RUNTIME;	86	our $RUNTIME;
74		87
75	our %PLAYER; # all users	88	our %PLAYER; # all users
76	our %MAP; # all maps	89	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		91
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
84	binmode STDOUT;	99	binmode STDOUT;
85	binmode STDERR;	100	binmode STDERR;
86		101
87	# read virtual server time, if available	102	# read virtual server time, if available
88	unless ($RUNTIME \|\| !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
92	}	107	}
93		108
94	mkdir cf::localdir;	109	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		111
101	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
102		113
103	sub cf::map::normalise;	114	sub cf::map::normalise;
104		115
…		…
115	=item $cf::RUNTIME	126	=item $cf::RUNTIME
116		127
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	129	every server tick.
119		130
120	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		134
122	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
124		139
125	=item $cf::NOW	140	=item $cf::NOW
126		141
127	The time of the last (current) server tick.	142	The time of the last (current) server tick.
128		143
129	=item $cf::TICK	144	=item $cf::TICK
130		145
131	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
132		157
133	=item %cf::CFG	158	=item %cf::CFG
134		159
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	161	from wherever your confdir points to.
…		…
146	=cut	171	=cut
147		172
148	BEGIN {	173	BEGIN {
149	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	175	my $msg = join "", @_;
151	utf8::encode $msg;
152		176
153	$msg .= "\n"	177	$msg .= "\n"
154	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
155		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
156	LOG llevError, $msg;	183	LOG llevError, $msg;
157	};	184	};
158	}	185	}
159		186
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
230	returned.	257	returned.
231		258
232	Lock names should begin with a unique identifier (for example, cf::map::find	259	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
234		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
235	=cut	266	=cut
236		267
237	our %LOCK;	268	our %LOCK;
238		269
239	sub lock_wait($) {	270	sub lock_wait($) {
…		…
256		287
257	Coro::guard {	288	Coro::guard {
258	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
260	}	291	}
		292	}
		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
261	}	298	}
262		299
263	sub freeze_mainloop {	300	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
265		302
…		…
295		332
296	sub sync_job(&) {	333	sub sync_job(&) {
297	my ($job) = @_;	334	my ($job) = @_;
298		335
299	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
300	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
302		341
303	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
315		354
316	while ($busy) {	355	while ($busy) {
317	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
318	}	357	}
319		358
		359	$time = Event::time - $time;
		360
		361	LOG llevError \| logBacktrace, Carp::longmess "long sync job"
		362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		363
		364	$tick_start += $time; # do not account sync jobs to server load
		365
320	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
321	} else {	367	} else {
322	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
323		369
324	$job->()	370	$job->()
…		…
344		390
345	$coro	391	$coro
346	}	392	}
347		393
348	sub write_runtime {	394	sub write_runtime {
		395	my $runtime = "$LOCALDIR/runtime";
		396
		397	# first touch the runtime file to show we are still running:
		398	# the fsync below can take a very very long time.
		399
		400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		401	utime undef, undef, $fh;
		402	}
		403
349	my $guard = cf::lock_acquire "write_runtime";	404	my $guard = cf::lock_acquire "write_runtime";
350
351	my $runtime = cf::localdir . "/runtime";
352		405
353	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	406	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
354	or return;	407	or return;
355		408
356	my $value = $cf::RUNTIME + 90 + 10;	409	my $value = $cf::RUNTIME + 90 + 10;
…		…
362		415
363	# always fsync - this file is important	416	# always fsync - this file is important
364	aio_fsync $fh	417	aio_fsync $fh
365	and return;	418	and return;
366		419
		420	# touch it again to show we are up-to-date
		421	utime undef, undef, $fh;
		422
367	close $fh	423	close $fh
368	or return;	424	or return;
369		425
370	aio_rename "$runtime~", $runtime	426	aio_rename "$runtime~", $runtime
371	and return;	427	and return;
		428
		429	warn "runtime file written.\n";#d#
372		430
373	1	431	1
374	}	432	}
375		433
376	=item cf::datalog type => key => value, ...	434	=item cf::datalog type => key => value, ...
…		…
951	Returns the given player object, loading it if necessary (might block).	1009	Returns the given player object, loading it if necessary (might block).
952		1010
953	=cut	1011	=cut
954		1012
955	sub playerdir($) {	1013	sub playerdir($) {
956	cf::localdir	1014	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1015	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1016	}
962		1017
963	sub path($) {	1018	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1019	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1084	while and may block, so not sync_job-capable, ever.	1139	while and may block, so not sync_job-capable, ever.
1085		1140
1086	=cut	1141	=cut
1087		1142
1088	sub list_logins {	1143	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1144	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1145	or return [];
1091		1146
1092	my @logins;	1147	my @logins;
1093		1148
1094	for my $login (@$dirs) {	1149	for my $login (@$dirs) {
…		…
1332		1387
1333	# the original (read-only) location	1388	# the original (read-only) location
1334	sub load_path {	1389	sub load_path {
1335	my ($self) = @_;	1390	my ($self) = @_;
1336		1391
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1392	"$MAPDIR/$self->{path}.map"
1338	}	1393	}
1339		1394
1340	# the temporary/swap location	1395	# the temporary/swap location
1341	sub save_path {	1396	sub save_path {
1342	my ($self) = @_;	1397	my ($self) = @_;
1343		1398
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1400	"$TMPDIR/$path.map"
1346	}	1401	}
1347		1402
1348	# the unique path, undef == no special unique path	1403	# the unique path, undef == no special unique path
1349	sub uniq_path {	1404	sub uniq_path {
1350	my ($self) = @_;	1405	my ($self) = @_;
1351		1406
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1408	"$UNIQUEDIR/$path"
1354	}	1409	}
1355		1410
1356	# and all this just because we cannot iterate over	1411	# and all this just because we cannot iterate over
1357	# all maps in C++...	1412	# all maps in C++...
1358	sub change_all_map_light {	1413	sub change_all_map_light {
…		…
1470	my ($self) = @_;	1525	my ($self) = @_;
1471		1526
1472	local $self->{deny_reset} = 1; # loading can take a long time	1527	local $self->{deny_reset} = 1; # loading can take a long time
1473		1528
1474	my $path = $self->{path};	1529	my $path = $self->{path};
		1530
		1531	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1532	my $guard = cf::lock_acquire "map_load:$path";
1476		1533
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1534	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1535
1479	$self->in_memory (cf::MAP_LOADING);	1536	$self->in_memory (cf::MAP_LOADING);
1480		1537
1481	$self->alloc;	1538	$self->alloc;
1482		1539
1483	$self->pre_load;	1540	$self->pre_load;
1484	Coro::cede;
1485
1486	$self->_load_objects ($self->{load_path}, 1)
1487	or return;
1488
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};
1491
1492	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {
1495	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);
1497	}
1498	}
1499
1500	Coro::cede;
1501	# now do the right thing for maps
1502	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;	1541	Coro::cede;
1510	$self->set_darkness_map;	1542
		1543	$self->_load_objects ($self->{load_path}, 1)
		1544	or return;
		1545
		1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1547	if delete $self->{load_original};
		1548
		1549	if (my $uniq = $self->uniq_path) {
		1550	utf8::encode $uniq;
		1551	if (aio_open $uniq, O_RDONLY, 0) {
		1552	$self->clear_unique_items;
		1553	$self->_load_objects ($uniq, 0);
		1554	}
		1555	}
		1556
		1557	Coro::cede;
		1558	# now do the right thing for maps
		1559	$self->link_multipart_objects;
1511	$self->difficulty ($self->estimate_difficulty)	1560	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1561	unless $self->difficulty;
1513	Coro::cede;	1562	Coro::cede;
		1563
		1564	unless ($self->{deny_activate}) {
		1565	$self->decay_objects;
		1566	$self->fix_auto_apply;
		1567	$self->update_buttons;
		1568	Coro::cede;
		1569	$self->set_darkness_map;
		1570	Coro::cede;
1514	$self->activate;	1571	$self->activate;
1515	Coro::cede;	1572	}
		1573
		1574	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1575	}
1517		1576
1518	$self->post_load;	1577	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1578	}
1523		1579
1524	sub customise_for {	1580	sub customise_for {
1525	my ($self, $ob) = @_;	1581	my ($self, $ob) = @_;
1526		1582
…		…
1717	instantiated unique items. May block.	1773	instantiated unique items. May block.
1718		1774
1719	=cut	1775	=cut
1720		1776
1721	sub unique_maps() {	1777	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1778	my $files = aio_readdir $UNIQUEDIR
1723	or return;	1779	or return;
1724		1780
1725	my @paths;	1781	my @paths;
1726		1782
1727	for (@$files) {	1783	for (@$files) {
…		…
1983		2039
1984	$rmp->{random_seed} \|\|= $exit->random_seed;	2040	$rmp->{random_seed} \|\|= $exit->random_seed;
1985		2041
1986	my $data = cf::to_json $rmp;	2042	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2043	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2044	my $meta = "$RANDOMDIR/$md5.meta";
1989		2045
1990	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2046	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2047	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2048	undef $fh;
1993	aio_rename "$meta~", $meta;	2049	aio_rename "$meta~", $meta;
…		…
2262	#############################################################################	2318	#############################################################################
2263		2319
2264	=head2 EXTENSION DATABASE SUPPORT	2320	=head2 EXTENSION DATABASE SUPPORT
2265		2321
2266	Crossfire maintains a very simple database for extension use. It can	2322	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which	2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2268	excludes objects.	2324	convert to/from binary).
2269		2325
2270	The parameter C<$family> should best start with the name of the extension	2326	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.	2327	using it, it should be unique.
2272		2328
2273	=over 4	2329	=over 4
…		…
2296	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;	2352	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;	2353	cf::cleanup "db_open(db): $!" if $!;
2298	};	2354	};
2299	cf::cleanup "db_open(db): $@" if $@;	2355	cf::cleanup "db_open(db): $@" if $@;
2300	};	2356	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}	2357	}
2316	}	2358	}
2317		2359
2318	sub db_get($$) {	2360	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";	2361	my $key = "$_[0]/$_[1]";
2320		2362
2321	cf::sync_job {	2363	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;	2364	BDB::db_get $DB, undef, $key, my $data;
2323		2365
2324	$! ? ()	2366	$! ? ()
2325	: Compress::LZF::sthaw $data	2367	: $data
2326	}	2368	}
2327	}	2369	}
2328		2370
2329	sub db_put($$$) {	2371	sub db_put($$$) {
2330	BDB::dbreq_pri 4;	2372	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2332	}	2374	}
		2375
		2376	=item cf::cache $id => [$paths...], $processversion => $process
		2377
		2378	Generic caching function that returns the value of the resource $id,
		2379	caching and regenerating as required.
		2380
		2381	This function can block.
		2382
		2383	=cut
		2384
		2385	sub cache {
		2386	my ($id, $src, $processversion, $process) = @_;
		2387
		2388	my $meta =
		2389	join "\x00",
		2390	$processversion,
		2391	map {
		2392	aio_stat $_
		2393	and Carp::croak "$_: $!";
		2394
		2395	($_, (stat _)[7,9])
		2396	} @$src;
		2397
		2398	my $dbmeta = db_get cache => "$id/meta";
		2399	if ($dbmeta ne $meta) {
		2400	# changed, we may need to process
		2401
		2402	my @data;
		2403	my $md5;
		2404
		2405	for (0 .. $#$src) {
		2406	0 <= aio_load $src->[$_], $data[$_]
		2407	or Carp::croak "$src->[$_]: $!";
		2408	}
		2409
		2410	# if processing is expensive, check
		2411	# checksum first
		2412	if (1) {
		2413	$md5 =
		2414	join "\x00",
		2415	$processversion,
		2416	map {
		2417	Coro::cede;
		2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2419	} 0.. $#$src;
		2420
		2421
		2422	my $dbmd5 = db_get cache => "$id/md5";
		2423	if ($dbmd5 eq $md5) {
		2424	db_put cache => "$id/meta", $meta;
		2425
		2426	return db_get cache => "$id/data";
		2427	}
		2428	}
		2429
		2430	my $t1 = Time::HiRes::time;
		2431	my $data = $process->(\@data);
		2432	my $t2 = Time::HiRes::time;
		2433
		2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2435
		2436	db_put cache => "$id/data", $data;
		2437	db_put cache => "$id/md5" , $md5;
		2438	db_put cache => "$id/meta", $meta;
		2439
		2440	return $data;
		2441	}
		2442
		2443	db_get cache => "$id/data"
		2444	}
		2445
		2446	=item fork_call { }, $args
		2447
		2448	Executes the given code block with the given arguments in a seperate
		2449	process, returning the results. Everything must be serialisable with
		2450	Coro::Storable. May, of course, block. Note that the executed sub may
		2451	never block itself or use any form of Event handling.
		2452
		2453	=cut
		2454
		2455	sub fork_call(&@) {
		2456	my ($cb, @args) = @_;
		2457
		2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2459	# or die "socketpair: $!";
		2460	pipe my $fh1, my $fh2
		2461	or die "pipe: $!";
		2462
		2463	if (my $pid = fork) {
		2464	close $fh2;
		2465
		2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2467	$res = Coro::Storable::thaw $res;
		2468
		2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2470
		2471	die $$res unless "ARRAY" eq ref $res;
		2472
		2473	return wantarray ? @$res : $res->[-1];
		2474	} else {
		2475	reset_signals;
		2476	local $SIG{__WARN__};
		2477	local $SIG{__DIE__};
		2478	eval {
		2479	close $fh1;
		2480
		2481	my @res = eval { $cb->(@args) };
		2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2483	};
		2484
		2485	warn $@ if $@;
		2486	_exit 0;
		2487	}
		2488	}
		2489
		2490
2333		2491
2334	#############################################################################	2492	#############################################################################
2335	# the server's init and main functions	2493	# the server's init and main functions
2336		2494
2337	sub load_facedata($) {	2495	sub load_facedata($) {
…		…
2384	}	2542	}
2385		2543
2386	1	2544	1
2387	}	2545	}
2388		2546
		2547	sub reload_regions {
		2548	load_resource_file "$MAPDIR/regions"
		2549	or die "unable to load regions file\n";
		2550	}
		2551
2389	sub reload_facedata {	2552	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	2553	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	2554	or die "unable to load facedata\n";
2392	}	2555	}
2393		2556
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	2557	sub reload_archetypes {
2400	load_archetype_file sprintf "%s/archetypes", cf::datadir	2558	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	2559	or die "unable to load archetypes\n";
2402	}	2560	}
2403		2561
2404	sub reload_treasures {	2562	sub reload_treasures {
2405	load_resource_file sprintf "%s/treasures", cf::datadir	2563	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	2564	or die "unable to load treasurelists\n";
2407	}	2565	}
2408		2566
2409	sub reload_resources {	2567	sub reload_resources {
2410	warn "reloading resource files...\n";	2568	warn "reloading resource files...\n";
…		…
2420	sub init {	2578	sub init {
2421	reload_resources;	2579	reload_resources;
2422	}	2580	}
2423		2581
2424	sub cfg_load {	2582	sub cfg_load {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	2583	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	2584	or return;
2427		2585
2428	local $/;	2586	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	2587	*CFG = YAML::Syck::Load <$fh>;
2430		2588
…		…
2600	Symbol::delete_package "safe::$_"	2758	Symbol::delete_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		2760
2603	warn "unloading cf.pm \"a bit\"";	2761	warn "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	2762	delete $INC{"cf.pm"};
		2763	delete $INC{"cf/pod.pm"};
2605		2764
2606	# don't, removes xs symbols, too,	2765	# don't, removes xs symbols, too,
2607	# and global variables created in xs	2766	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	2767	#Symbol::delete_package __PACKAGE__;
2609		2768
…		…
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	2860	unless ++$bug_warning > 10;
2702	return;	2861	return;
2703	}	2862	}
2704		2863
2705	$NOW = Event::time;	2864	$NOW = $tick_start = Event::time;
2706		2865
2707	cf::server_tick; # one server iteration	2866	cf::server_tick; # one server iteration
2708		2867
2709	$RUNTIME += $TICK;	2868	$RUNTIME += $TICK;
2710	$NEXT_TICK += $TICK;	2869	$NEXT_TICK += $TICK;
…		…
2718	}	2877	}
2719		2878
2720	# my $AFTER = Event::time;	2879	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#	2880	# warn $AFTER - $NOW;#d#
2722		2881
		2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2883	$sig->send;
		2884	}
		2885	while (my $sig = shift @WAIT_FOR_TICK) {
		2886	$sig->send;
		2887	}
		2888
		2889	$NOW = Event::time;
		2890
2723	# if we are delayed by four ticks or more, skip them all	2891	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2725		2893
2726	$TICK_WATCHER->at ($NEXT_TICK);	2894	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;	2895	$TICK_WATCHER->start;
2728		2896
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	2897	$LOAD = ($NOW - $tick_start) / $TICK;
2730	$sig->send;	2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2731	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;
2734	}
2735		2899
2736	_post_tick;	2900	_post_tick;
		2901
		2902
2737	},	2903	},
2738	);	2904	);
2739		2905
2740	{	2906	{
2741	BDB::max_poll_time $TICK * 0.1;	2907	BDB::max_poll_time $TICK * 0.1;
…		…
2769		2935
2770	cf::sync_job {	2936	cf::sync_job {
2771	eval {	2937	eval {
2772	BDB::db_env_open	2938	BDB::db_env_open
2773	$DB_ENV,	2939	$DB_ENV,
2774	$BDB_ENV_DIR,	2940	$BDBDIR,
2775	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN	2941	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
2776	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,	2942	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
2777	0666;	2943	0666;
2778		2944
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780		2946
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);	2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;	2948	$DB_ENV->set_lk_detect;
2783	};	2949	};
2784		2950
…		…
2800	prio => 6,	2966	prio => 6,
2801	cb => \&IO::AIO::poll_cb,	2967	cb => \&IO::AIO::poll_cb,
2802	);	2968	);
2803	}	2969	}
2804		2970
		2971	my $_log_backtrace;
		2972
		2973	sub _log_backtrace {
		2974	my ($msg, @addr) = @_;
		2975
		2976	$msg =~ s/\n//;
		2977
		2978	# limit the # of concurrent backtraces
		2979	if ($_log_backtrace < 2) {
		2980	++$_log_backtrace;
		2981	async {
		2982	my @bt = fork_call {
		2983	@addr = map { sprintf "%x", $_ } @addr;
		2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 \|"
		2986	or die "addr2line: $!";
		2987
		2988	my @funcs;
		2989	my @res = <$fh>;
		2990	chomp for @res;
		2991	while (@res) {
		2992	my ($func, $line) = splice @res, 0, 2, ();
		2993	push @funcs, "[$func] $line";
		2994	}
		2995
		2996	@funcs
		2997	};
		2998
		2999	LOG llevInfo, "[ABT] $msg\n";
		3000	LOG llevInfo, "[ABT] $_\n" for @bt;
		3001	--$_log_backtrace;
		3002	};
		3003	} else {
		3004	LOG llevInfo, "[ABT] $msg\n";
		3005	LOG llevInfo, "[ABT] [suppressed]\n";
		3006	}
		3007	}
		3008
		3009	# load additional modules
		3010	use cf::pod;
		3011
2805	END { cf::emergency_save }	3012	END { cf::emergency_save }
2806		3013
2807	1	3014	1
2808		3015

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.247 by root, Tue Apr 17 18:24:30 2007 UTC vs. Revision 1.266 by root, Fri May 18 01:01:02 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.247 by root, Tue Apr 17 18:24:30 2007 UTC vs.
Revision 1.266 by root, Fri May 18 01:01:02 2007 UTC