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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.264 by root, Sun May 6 05:44:48 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;
…		…
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";
58		59
59	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(!)
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
63	our $NEXT_TICK;	76	our $NEXT_TICK;
64	our $NOW;	77	our $NOW;
…		…
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
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
83		91
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		94
87	binmode STDOUT;	95	binmode STDOUT;
88	binmode STDERR;	96	binmode STDERR;
89		97
90	# read virtual server time, if available	98	# read virtual server time, if available
91	unless ($RUNTIME \|\| !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
95	}	103	}
96		104
97	mkdir cf::localdir;	105	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		107
104	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
105		109
106	sub cf::map::normalise;	110	sub cf::map::normalise;
107		111
…		…
118	=item $cf::RUNTIME	122	=item $cf::RUNTIME
119		123
120	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
121	every server tick.	125	every server tick.
122		126
123	=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
124		130
125	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		135
128	=item $cf::NOW	136	=item $cf::NOW
129		137
130	The time of the last (current) server tick.	138	The time of the last (current) server tick.
131		139
…		…
136	=item %cf::CFG	144	=item %cf::CFG
137		145
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	147	from wherever your confdir points to.
140		148
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		150
143	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
144	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
145	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.
146	window of cpu time available, or simply to synchronise to the server tick.
147		154
148	=back	155	=back
149		156
150	=cut	157	=cut
151		158
152	BEGIN {	159	BEGIN {
153	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	161	my $msg = join "", @_;
155	utf8::encode $msg;
156		162
157	$msg .= "\n"	163	$msg .= "\n"
158	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
159		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
160	LOG llevError, $msg;	169	LOG llevError, $msg;
161	};	170	};
162	}	171	}
163		172
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
234	returned.	243	returned.
235		244
236	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
237	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
238		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
239	=cut	252	=cut
240		253
241	our %LOCK;	254	our %LOCK;
242		255
243	sub lock_wait($) {	256	sub lock_wait($) {
…		…
260		273
261	Coro::guard {	274	Coro::guard {
262	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
264	}	277	}
		278	}
		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
265	}	284	}
266		285
267	sub freeze_mainloop {	286	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
269		288
…		…
348		367
349	$coro	368	$coro
350	}	369	}
351		370
352	sub write_runtime {	371	sub write_runtime {
		372	my $runtime = "$LOCALDIR/runtime";
		373
		374	# first touch the runtime file to show we are still running:
		375	# the fsync below can take a very very long time.
		376
		377	warn "touching runtime...\n";#d#
		378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		379	utime undef, undef, $fh;
		380	}
		381
353	my $guard = cf::lock_acquire "write_runtime";	382	my $guard = cf::lock_acquire "write_runtime";
354		383
355	my $runtime = cf::localdir . "/runtime";	384	warn "starting to write runtime...\n";#d#
356
357	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	385	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
358	or return;	386	or return;
359		387
360	my $value = $cf::RUNTIME + 90 + 10;	388	my $value = $cf::RUNTIME + 90 + 10;
361	# 10 is the runtime save interval, for a monotonic clock	389	# 10 is the runtime save interval, for a monotonic clock
…		…
366		394
367	# always fsync - this file is important	395	# always fsync - this file is important
368	aio_fsync $fh	396	aio_fsync $fh
369	and return;	397	and return;
370		398
		399	# touch it again to show we are up-to-date
		400	utime undef, undef, $fh;
		401
371	close $fh	402	close $fh
372	or return;	403	or return;
373		404
374	aio_rename "$runtime~", $runtime	405	aio_rename "$runtime~", $runtime
375	and return;	406	and return;
		407
		408	warn "... done writing runtime.\n";#d#
376		409
377	1	410	1
378	}	411	}
379		412
380	=item cf::datalog type => key => value, ...	413	=item cf::datalog type => key => value, ...
…		…
955	Returns the given player object, loading it if necessary (might block).	988	Returns the given player object, loading it if necessary (might block).
956		989
957	=cut	990	=cut
958		991
959	sub playerdir($) {	992	sub playerdir($) {
960	cf::localdir	993	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	994	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	995	}
966		996
967	sub path($) {	997	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	998	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1088	while and may block, so not sync_job-capable, ever.	1118	while and may block, so not sync_job-capable, ever.
1089		1119
1090	=cut	1120	=cut
1091		1121
1092	sub list_logins {	1122	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1123	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1124	or return [];
1095		1125
1096	my @logins;	1126	my @logins;
1097		1127
1098	for my $login (@$dirs) {	1128	for my $login (@$dirs) {
…		…
1336		1366
1337	# the original (read-only) location	1367	# the original (read-only) location
1338	sub load_path {	1368	sub load_path {
1339	my ($self) = @_;	1369	my ($self) = @_;
1340		1370
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1371	"$MAPDIR/$self->{path}.map"
1342	}	1372	}
1343		1373
1344	# the temporary/swap location	1374	# the temporary/swap location
1345	sub save_path {	1375	sub save_path {
1346	my ($self) = @_;	1376	my ($self) = @_;
1347		1377
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1379	"$TMPDIR/$path.map"
1350	}	1380	}
1351		1381
1352	# the unique path, undef == no special unique path	1382	# the unique path, undef == no special unique path
1353	sub uniq_path {	1383	sub uniq_path {
1354	my ($self) = @_;	1384	my ($self) = @_;
1355		1385
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1387	"$UNIQUEDIR/$path"
1358	}	1388	}
1359		1389
1360	# and all this just because we cannot iterate over	1390	# and all this just because we cannot iterate over
1361	# all maps in C++...	1391	# all maps in C++...
1362	sub change_all_map_light {	1392	sub change_all_map_light {
…		…
1474	my ($self) = @_;	1504	my ($self) = @_;
1475		1505
1476	local $self->{deny_reset} = 1; # loading can take a long time	1506	local $self->{deny_reset} = 1; # loading can take a long time
1477		1507
1478	my $path = $self->{path};	1508	my $path = $self->{path};
		1509
		1510	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1511	my $guard = cf::lock_acquire "map_load:$path";
1480		1512
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1513	return if $self->in_memory != cf::MAP_SWAPPED;
1482		1514
1483	$self->in_memory (cf::MAP_LOADING);	1515	$self->in_memory (cf::MAP_LOADING);
1484		1516
1485	$self->alloc;	1517	$self->alloc;
1486		1518
1487	$self->pre_load;	1519	$self->pre_load;
1488
1489	$self->_load_objects ($self->{load_path}, 1)
1490	or return;
1491
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1493	if delete $self->{load_original};
1494
1495	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {
1498	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);
1500	}
1501	}
1502
1503	Coro::cede;
1504
1505	# now do the right thing for maps
1506	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;	1520	Coro::cede;
1513	$self->set_darkness_map;	1521
		1522	$self->_load_objects ($self->{load_path}, 1)
		1523	or return;
		1524
		1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1526	if delete $self->{load_original};
		1527
		1528	if (my $uniq = $self->uniq_path) {
		1529	utf8::encode $uniq;
		1530	if (aio_open $uniq, O_RDONLY, 0) {
		1531	$self->clear_unique_items;
		1532	$self->_load_objects ($uniq, 0);
		1533	}
		1534	}
		1535
		1536	Coro::cede;
		1537	# now do the right thing for maps
		1538	$self->link_multipart_objects;
1514	$self->difficulty ($self->estimate_difficulty)	1539	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	1540	unless $self->difficulty;
1516	Coro::cede;	1541	Coro::cede;
		1542
		1543	unless ($self->{deny_activate}) {
		1544	$self->decay_objects;
		1545	$self->fix_auto_apply;
		1546	$self->update_buttons;
		1547	Coro::cede;
		1548	$self->set_darkness_map;
		1549	Coro::cede;
1517	$self->activate;	1550	$self->activate;
		1551	}
		1552
		1553	$self->in_memory (cf::MAP_IN_MEMORY);
1518	}	1554	}
1519		1555
1520	$self->post_load;	1556	$self->post_load;
1521
1522	$self->in_memory (cf::MAP_IN_MEMORY);
1523	}	1557	}
1524		1558
1525	sub customise_for {	1559	sub customise_for {
1526	my ($self, $ob) = @_;	1560	my ($self, $ob) = @_;
1527		1561
…		…
1718	instantiated unique items. May block.	1752	instantiated unique items. May block.
1719		1753
1720	=cut	1754	=cut
1721		1755
1722	sub unique_maps() {	1756	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1757	my $files = aio_readdir $UNIQUEDIR
1724	or return;	1758	or return;
1725		1759
1726	my @paths;	1760	my @paths;
1727		1761
1728	for (@$files) {	1762	for (@$files) {
…		…
1984		2018
1985	$rmp->{random_seed} \|\|= $exit->random_seed;	2019	$rmp->{random_seed} \|\|= $exit->random_seed;
1986		2020
1987	my $data = cf::to_json $rmp;	2021	my $data = cf::to_json $rmp;
1988	my $md5 = Digest::MD5::md5_hex $data;	2022	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2023	my $meta = "$RANDOMDIR/$md5.meta";
1990		2024
1991	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2025	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2026	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2027	undef $fh;
1994	aio_rename "$meta~", $meta;	2028	aio_rename "$meta~", $meta;
…		…
2263	#############################################################################	2297	#############################################################################
2264		2298
2265	=head2 EXTENSION DATABASE SUPPORT	2299	=head2 EXTENSION DATABASE SUPPORT
2266		2300
2267	Crossfire maintains a very simple database for extension use. It can	2301	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which	2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2269	excludes objects.	2303	convert to/from binary).
2270		2304
2271	The parameter C<$family> should best start with the name of the extension	2305	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.	2306	using it, it should be unique.
2273		2307
2274	=over 4	2308	=over 4
…		…
2297	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;	2331	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;	2332	cf::cleanup "db_open(db): $!" if $!;
2299	};	2333	};
2300	cf::cleanup "db_open(db): $@" if $@;	2334	cf::cleanup "db_open(db): $@" if $@;
2301	};	2335	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}	2336	}
2317	}	2337	}
2318		2338
2319	sub db_get($$) {	2339	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";	2340	my $key = "$_[0]/$_[1]";
2321		2341
2322	cf::sync_job {	2342	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;	2343	BDB::db_get $DB, undef, $key, my $data;
2324		2344
2325	$! ? ()	2345	$! ? ()
2326	: Compress::LZF::sthaw $data	2346	: $data
2327	}	2347	}
2328	}	2348	}
2329		2349
2330	sub db_put($$$) {	2350	sub db_put($$$) {
2331	BDB::dbreq_pri 4;	2351	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2333	}	2353	}
		2354
		2355	=item cf::cache $id => [$paths...], $processversion => $process
		2356
		2357	Generic caching function that returns the value of the resource $id,
		2358	caching and regenerating as required.
		2359
		2360	This function can block.
		2361
		2362	=cut
		2363
		2364	sub cache {
		2365	my ($id, $src, $processversion, $process) = @_;
		2366
		2367	my $meta =
		2368	join "\x00",
		2369	$processversion,
		2370	map {
		2371	aio_stat $_
		2372	and Carp::croak "$_: $!";
		2373
		2374	($_, (stat _)[7,9])
		2375	} @$src;
		2376
		2377	my $dbmeta = db_get cache => "$id/meta";
		2378	if ($dbmeta ne $meta) {
		2379	# changed, we may need to process
		2380
		2381	my @data;
		2382	my $md5;
		2383
		2384	for (0 .. $#$src) {
		2385	0 <= aio_load $src->[$_], $data[$_]
		2386	or Carp::croak "$src->[$_]: $!";
		2387	}
		2388
		2389	# if processing is expensive, check
		2390	# checksum first
		2391	if (1) {
		2392	$md5 =
		2393	join "\x00",
		2394	$processversion,
		2395	map {
		2396	Coro::cede;
		2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2398	} 0.. $#$src;
		2399
		2400
		2401	my $dbmd5 = db_get cache => "$id/md5";
		2402	if ($dbmd5 eq $md5) {
		2403	db_put cache => "$id/meta", $meta;
		2404
		2405	return db_get cache => "$id/data";
		2406	}
		2407	}
		2408
		2409	my $t1 = Time::HiRes::time;
		2410	my $data = $process->(\@data);
		2411	my $t2 = Time::HiRes::time;
		2412
		2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2414
		2415	db_put cache => "$id/data", $data;
		2416	db_put cache => "$id/md5" , $md5;
		2417	db_put cache => "$id/meta", $meta;
		2418
		2419	return $data;
		2420	}
		2421
		2422	db_get cache => "$id/data"
		2423	}
		2424
		2425	=item fork_call { }, $args
		2426
		2427	Executes the given code block with the given arguments in a seperate
		2428	process, returning the results. Everything must be serialisable with
		2429	Coro::Storable. May, of course, block. Note that the executed sub may
		2430	never block itself or use any form of Event handling.
		2431
		2432	=cut
		2433
		2434	sub fork_call(&@) {
		2435	my ($cb, @args) = @_;
		2436
		2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2438	# or die "socketpair: $!";
		2439	pipe my $fh1, my $fh2
		2440	or die "pipe: $!";
		2441
		2442	if (my $pid = fork) {
		2443	close $fh2;
		2444
		2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2446	$res = Coro::Storable::thaw $res;
		2447
		2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2449
		2450	die $$res unless "ARRAY" eq ref $res;
		2451
		2452	return wantarray ? @$res : $res->[-1];
		2453	} else {
		2454	reset_signals;
		2455	local $SIG{__WARN__};
		2456	local $SIG{__DIE__};
		2457	eval {
		2458	close $fh1;
		2459
		2460	my @res = eval { $cb->(@args) };
		2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2462	};
		2463
		2464	warn $@ if $@;
		2465	_exit 0;
		2466	}
		2467	}
		2468
		2469
2334		2470
2335	#############################################################################	2471	#############################################################################
2336	# the server's init and main functions	2472	# the server's init and main functions
2337		2473
2338	sub load_facedata {	2474	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	2475	my ($path) = @_;
2340		2476
2341	warn "loading facedata from $path\n";	2477	warn "loading facedata from $path\n";
2342		2478
2343	my $facedata;	2479	my $facedata;
2344	0 < aio_load $path, $facedata	2480	0 < aio_load $path, $facedata
…		…
2385	}	2521	}
2386		2522
2387	1	2523	1
2388	}	2524	}
2389		2525
		2526	sub reload_regions {
		2527	load_resource_file "$MAPDIR/regions"
		2528	or die "unable to load regions file\n";
		2529	}
		2530
		2531	sub reload_facedata {
		2532	load_facedata "$DATADIR/facedata"
		2533	or die "unable to load facedata\n";
		2534	}
		2535
		2536	sub reload_archetypes {
		2537	load_resource_file "$DATADIR/archetypes"
		2538	or die "unable to load archetypes\n";
		2539	}
		2540
		2541	sub reload_treasures {
		2542	load_resource_file "$DATADIR/treasures"
		2543	or die "unable to load treasurelists\n";
		2544	}
		2545
2390	sub reload_resources {	2546	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2547	warn "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	2548
		2549	reload_regions;
2393	load_facedata	2550	reload_facedata;
2394	or die "unable to load facedata\n";#d#	2551	reload_archetypes;
		2552	reload_treasures;
		2553
		2554	warn "finished reloading resource files\n";
2395	}	2555	}
2396		2556
2397	sub init {	2557	sub init {
2398	reload_resources;	2558	reload_resources;
2399	}	2559	}
2400		2560
2401	sub cfg_load {	2561	sub cfg_load {
2402	open my $fh, "<:utf8", cf::confdir . "/config"	2562	open my $fh, "<:utf8", "$CONFDIR/config"
2403	or return;	2563	or return;
2404		2564
2405	local $/;	2565	local $/;
2406	*CFG = YAML::Syck::Load <$fh>;	2566	*CFG = YAML::Syck::Load <$fh>;
2407		2567
…		…
2492		2652
2493	warn Carp::longmess "post_cleanup backtrace"	2653	warn Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	2654	if $make_core;
2495	}	2655	}
2496		2656
2497	sub reload() {	2657	sub do_reload_perl() {
2498	# can/must only be called in main	2658	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	2659	if ($Coro::current != $Coro::main) {
2500	warn "can only reload from main coroutine";	2660	warn "can only reload from main coroutine";
2501	return;	2661	return;
2502	}	2662	}
…		…
2577	Symbol::delete_package "safe::$_"	2737	Symbol::delete_package "safe::$_"
2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579		2739
2580	warn "unloading cf.pm \"a bit\"";	2740	warn "unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	2741	delete $INC{"cf.pm"};
		2742	delete $INC{"cf/pod.pm"};
2582		2743
2583	# don't, removes xs symbols, too,	2744	# don't, removes xs symbols, too,
2584	# and global variables created in xs	2745	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	2746	#Symbol::delete_package __PACKAGE__;
2586		2747
…		…
2601	warn "reattaching attachments to maps";	2762	warn "reattaching attachments to maps";
2602	reattach $_ for values %MAP;	2763	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	2764	warn "reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	2765	reattach $_ for values %PLAYER;
2605		2766
2606	warn "loading reloadable resources";
2607	reload_resources;
2608
2609	warn "leaving sync_job";	2767	warn "leaving sync_job";
2610		2768
2611	1	2769	1
2612	} or do {	2770	} or do {
2613	warn $@;	2771	warn $@;
…		…
2618	warn "reloaded";	2776	warn "reloaded";
2619	};	2777	};
2620		2778
2621	our $RELOAD_WATCHER; # used only during reload	2779	our $RELOAD_WATCHER; # used only during reload
2622		2780
		2781	sub reload_perl() {
		2782	# doing reload synchronously and two reloads happen back-to-back,
		2783	# coro crashes during coro_state_free->destroy here.
		2784
		2785	$RELOAD_WATCHER \|\|= Event->timer (
		2786	reentrant => 0,
		2787	after => 0,
		2788	data => WF_AUTOCANCEL,
		2789	cb => sub {
		2790	do_reload_perl;
		2791	undef $RELOAD_WATCHER;
		2792	},
		2793	);
		2794	}
		2795
2623	register_command "reload" => sub {	2796	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	2797	my ($who, $arg) = @_;
2625		2798
2626	if ($who->flag (FLAG_WIZ)) {	2799	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	2800	$who->message ("reloading server.");
2628		2801	async { reload_perl };
2629	# doing reload synchronously and two reloads happen back-to-back,
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER \|\|= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);
2641	}	2802	}
2642	};	2803	};
2643		2804
2644	unshift @INC, $LIBDIR;	2805	unshift @INC, $LIBDIR;
2645		2806
2646	my $bug_warning = 0;	2807	my $bug_warning = 0;
		2808
		2809	our @WAIT_FOR_TICK;
		2810	our @WAIT_FOR_TICK_BEGIN;
		2811
		2812	sub wait_for_tick {
		2813	return unless $TICK_WATCHER->is_active;
		2814	return if $Coro::current == $Coro::main;
		2815
		2816	my $signal = new Coro::Signal;
		2817	push @WAIT_FOR_TICK, $signal;
		2818	$signal->wait;
		2819	}
		2820
		2821	sub wait_for_tick_begin {
		2822	return unless $TICK_WATCHER->is_active;
		2823	return if $Coro::current == $Coro::main;
		2824
		2825	my $signal = new Coro::Signal;
		2826	push @WAIT_FOR_TICK_BEGIN, $signal;
		2827	$signal->wait;
		2828	}
2647		2829
2648	$TICK_WATCHER = Event->timer (	2830	$TICK_WATCHER = Event->timer (
2649	reentrant => 0,	2831	reentrant => 0,
2650	parked => 1,	2832	parked => 1,
2651	prio => 0,	2833	prio => 0,
…		…
2659	}	2841	}
2660		2842
2661	$NOW = Event::time;	2843	$NOW = Event::time;
2662		2844
2663	cf::server_tick; # one server iteration	2845	cf::server_tick; # one server iteration
		2846
2664	$RUNTIME += $TICK;	2847	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;	2848	$NEXT_TICK += $TICK;
2666		2849
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	2851	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2670	write_runtime	2853	write_runtime
2671	or warn "ERROR: unable to write runtime file: $!";	2854	or warn "ERROR: unable to write runtime file: $!";
2672	};	2855	};
2673	}	2856	}
2674		2857
2675	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678	# my $AFTER = Event::time;	2858	# my $AFTER = Event::time;
2679	# warn $AFTER - $NOW;#d#	2859	# warn $AFTER - $NOW;#d#
2680		2860
2681	# if we are delayed by four ticks or more, skip them all	2861	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2683		2863
2684	$TICK_WATCHER->at ($NEXT_TICK);	2864	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;	2865	$TICK_WATCHER->start;
		2866
		2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2868	$sig->send;
		2869	}
		2870	while (my $sig = shift @WAIT_FOR_TICK) {
		2871	$sig->send;
		2872	}
		2873
		2874	_post_tick;
2686	},	2875	},
2687	);	2876	);
2688		2877
2689	{	2878	{
2690	BDB::max_poll_time $TICK * 0.1;	2879	BDB::max_poll_time $TICK * 0.1;
…		…
2718		2907
2719	cf::sync_job {	2908	cf::sync_job {
2720	eval {	2909	eval {
2721	BDB::db_env_open	2910	BDB::db_env_open
2722	$DB_ENV,	2911	$DB_ENV,
2723	$BDB_ENV_DIR,	2912	$BDBDIR,
2724	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN	2913	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
2725	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,	2914	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
2726	0666;	2915	0666;
2727		2916
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729		2918
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);	2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;	2920	$DB_ENV->set_lk_detect;
2732	};	2921	};
2733		2922
…		…
2749	prio => 6,	2938	prio => 6,
2750	cb => \&IO::AIO::poll_cb,	2939	cb => \&IO::AIO::poll_cb,
2751	);	2940	);
2752	}	2941	}
2753		2942
		2943	my $_log_backtrace;
		2944
		2945	sub _log_backtrace {
		2946	my ($msg, @addr) = @_;
		2947
		2948	$msg =~ s/\n//;
		2949
		2950	# limit the # of concurrent backtraces
		2951	if ($_log_backtrace < 2) {
		2952	++$_log_backtrace;
		2953	async {
		2954	my @bt = fork_call {
		2955	@addr = map { sprintf "%x", $_ } @addr;
		2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 \|"
		2958	or die "addr2line: $!";
		2959
		2960	my @funcs;
		2961	my @res = <$fh>;
		2962	chomp for @res;
		2963	while (@res) {
		2964	my ($func, $line) = splice @res, 0, 2, ();
		2965	push @funcs, "[$func] $line";
		2966	}
		2967
		2968	@funcs
		2969	};
		2970
		2971	LOG llevInfo, "[ABT] $msg\n";
		2972	LOG llevInfo, "[ABT] $_\n" for @bt;
		2973	--$_log_backtrace;
		2974	};
		2975	} else {
		2976	LOG llevInfo, "[ABT] $msg\n";
		2977	LOG llevInfo, "[ABT] [suppressed]\n";
		2978	}
		2979	}
		2980
		2981	# load additional modules
		2982	use cf::pod;
		2983
2754	END { cf::emergency_save }	2984	END { cf::emergency_save }
2755		2985
2756	1	2986	1
2757		2987

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+Changed lines
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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs. Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC