[ViewVC] Diff of: cvs/deliantra/Deliantra-Client/DC/DB.pm

Comparing deliantra/Deliantra-Client/DC/DB.pm (file contents):
Revision 1.11 by root, Sat Jul 14 12:05:53 2007 UTC vs.
Revision 1.23 by root, Fri Nov 16 04:54:25 2007 UTC

…		…
16		16
17	use strict;	17	use strict;
18	use utf8;	18	use utf8;
19		19
20	use Carp ();	20	use Carp ();
21	use AnyEvent ();
22	use Storable ();	21	use Storable ();
23	use Config;	22	use Config;
24		23
25	use CFPlus;	24	use CFPlus;
26		25
27	our $DB_HOME = "$Crossfire::VARDIR/cfplus-$BerkeleyDB::db_version-$Config{archname}";	26	our $DB_HOME = "$Crossfire::VARDIR/cfplus-$BerkeleyDB::db_version-$Config{archname}";
28		27
29	sub path_of_res($) {	28	sub path_of_res($) {
		29	utf8::downgrade $_[0]; # bug in unpack "H*"
30	"$DB_HOME/res-data-$_[0]"	30	"$DB_HOME/res-data-" . unpack "H*", $_[0]
31	}	31	}
32		32
33	sub sync {	33	sub sync {
34	# for debugging	34	# for debugging
35	#CFPlus::DB::Server::req (sync => sub { });	35	#CFPlus::DB::Server::req (sync => sub { });
…		…
50		50
51	sub unlink($$) {	51	sub unlink($$) {
52	CFPlus::DB::Server::req (unlink => @_);	52	CFPlus::DB::Server::req (unlink => @_);
53	}	53	}
54		54
		55	sub read_file($$) {
		56	CFPlus::DB::Server::req (read_file => @_);
		57	}
		58
55	sub write_file($$$) {	59	sub write_file($$$) {
56	CFPlus::DB::Server::req (write_file => @_);	60	CFPlus::DB::Server::req (write_file => @_);
57	}	61	}
58		62
59	sub prefetch_file($$$) {	63	sub prefetch_file($$$) {
60	CFPlus::DB::Server::req (prefetch_file => @_);	64	CFPlus::DB::Server::req (prefetch_file => @_);
61	}	65	}
62		66
		67	sub logprint($$$) {
		68	CFPlus::DB::Server::req (logprint => @_);
		69	}
		70
63	our $tilemap;	71	our $tilemap;
64		72
65	sub get_tile_id_sync($) {	73	sub get_tile_id_sync($) {
66	my ($hash) = @_;	74	my ($name) = @_;
67		75
68	# fetch the full face table first	76	# fetch the full face table first
69	unless ($tilemap) {	77	unless ($tilemap) {
70	CFPlus::DB::Server::req (table => facemap => sub { $tilemap = $_[0] });	78	CFPlus::DB::Server::req (table => facemap => sub {
		79	$tilemap = $_[0];
		80	delete $tilemap->{id};
		81	my %maptile = reverse %$tilemap;#d#
		82	if ((scalar keys %$tilemap) != (scalar keys %maptile)) {#d#
		83	$tilemap = { };#d#
		84	CFPlus::error "FATAL: facemap is not a 1:1 mapping, please report this and delete your $DB_HOME directory!\n";#d#
		85	}#d#
		86	});
71	sync;	87	sync;
72	}	88	}
73		89
74	$tilemap->{$hash} \|\|= do {	90	$tilemap->{$name} \|\|= do {
75	my $id;	91	my $id;
76	CFPlus::DB::Server::req (get_tile_id => $hash, sub { $id = $_[0] });	92	CFPlus::DB::Server::req (get_tile_id => $name, sub { $id = $_[0] });
77	sync;	93	sync;
78	$id	94	$id
79	}	95	}
80	}	96	}
81		97
82	package CFPlus::DB::Server;	98	package CFPlus::DB::Server;
83		99
84	use strict;	100	use strict;
85		101
		102	use EV ();
86	use Fcntl;	103	use Fcntl;
87	use BerkeleyDB;	104	use BerkeleyDB;
88		105
89	our $DB_ENV;	106	our $DB_ENV;
90	our $DB_STATE;	107	our $DB_STATE;
…		…
101	-Cachesize => 8_000_000,	118	-Cachesize => 8_000_000,
102	-ErrFile => "$DB_HOME/errorlog.txt",	119	-ErrFile => "$DB_HOME/errorlog.txt",
103	# -ErrPrefix => "DATABASE",	120	# -ErrPrefix => "DATABASE",
104	-Verbose => 1,	121	-Verbose => 1,
105	-Flags => DB_CREATE \| DB_RECOVER \| DB_INIT_MPOOL \| DB_INIT_LOCK \| DB_INIT_TXN \| $recover,	122	-Flags => DB_CREATE \| DB_RECOVER \| DB_INIT_MPOOL \| DB_INIT_LOCK \| DB_INIT_TXN \| $recover,
106	-SetFlags => DB_AUTO_COMMIT \| DB_LOG_AUTOREMOVE,	123	-SetFlags => DB_AUTO_COMMIT \| DB_LOG_AUTOREMOVE \| DB_TXN_WRITE_NOSYNC,
107	or die "unable to create/open database home $DB_HOME: $BerkeleyDB::Error";	124	or die "unable to create/open database home $DB_HOME: $BerkeleyDB::Error";
108		125
109	1	126	1
110	}	127	}
111		128
…		…
119	-Env => $DB_ENV,	136	-Env => $DB_ENV,
120	-Filename => $table,	137	-Filename => $table,
121	# -Filename => "database",	138	# -Filename => "database",
122	# -Subname => $table,	139	# -Subname => $table,
123	-Property => DB_CHKSUM,	140	-Property => DB_CHKSUM,
124	-Flags => DB_CREATE \| DB_UPGRADE,	141	-Flags => DB_AUTO_COMMIT \| DB_CREATE \| DB_UPGRADE,
125	or die "unable to create/open database table $_[0]: $BerkeleyDB::Error"	142	or die "unable to create/open database table $_[0]: $BerkeleyDB::Error"
126	}	143	}
127	}	144	}
128
129	our $SYNC_INTERVAL = 60;
130		145
131	our %CB;	146	our %CB;
132	our $FH;	147	our $FH;
133	our $ID = "aaa0";	148	our $ID = "aaa0";
134	our ($fh_r_watcher, $fh_w_watcher);	149	our ($fh_r_watcher, $fh_w_watcher);
135	our $sync_timer;	150	our $sync_timer;
136	our $write_buf;	151	our $write_buf;
137	our $read_buf;	152	our $read_buf;
138		153
		154	our $SYNC = EV::timer_ns 0, 60, sub {
		155	$_[0]->stop;
		156	CFPlus::DB::Server::req (sync => sub { });
		157	};
		158
139	sub fh_write {	159	sub fh_write {
140	my $len = syswrite $FH, $write_buf;	160	my $len = syswrite $FH, $write_buf;
141		161
142	substr $write_buf, 0, $len, "";	162	substr $write_buf, 0, $len, "";
143		163
144	undef $fh_w_watcher	164	$fh_w_watcher->stop
145	unless length $write_buf;	165	unless length $write_buf;
146	}	166	}
147		167
148	sub fh_read {	168	sub fh_read {
149	my $status = sysread $FH, $read_buf, 16384, length $read_buf;	169	my $status = sysread $FH, $read_buf, 16384, length $read_buf;
…		…
185		205
186	my $id = ++$ID;	206	my $id = ++$ID;
187	$write_buf .= pack "N/a*", Storable::freeze [$id, $type, @args];	207	$write_buf .= pack "N/a*", Storable::freeze [$id, $type, @args];
188	$CB{$id} = $cb;	208	$CB{$id} = $cb;
189		209
190	$fh_w_watcher = AnyEvent->io (fh => $FH, poll => 'w', cb => \&fh_write);	210	$fh_w_watcher->start;
191	}	211	$SYNC->again unless $SYNC->is_active;
192
193	sub sync_tick {
194	req "sync", sub { };
195	$sync_timer = AnyEvent->timer (after => $SYNC_INTERVAL, cb => \&sync_tick);
196	}	212	}
197		213
198	sub do_sync {	214	sub do_sync {
199	$DB_ENV->txn_checkpoint (0, 0, 0);	215	$DB_ENV->txn_checkpoint (0, 0, 0);
200	()	216	()
…		…
240		256
241	\%kv	257	\%kv
242	}	258	}
243		259
244	sub do_get_tile_id {	260	sub do_get_tile_id {
245	my ($hash) = @_;	261	my ($name) = @_;
246		262
247	my $id;	263	my $id;
248	my $table = table "facemap";	264	my $table = table "facemap";
249		265
250	return $id	266	return $id
251	if $table->db_get ($hash, $id) == 0;	267	if $table->db_get ($name, $id) == 0;
252		268
253	for (1..100) {	269	for (1..100) {
254	my $txn = $DB_ENV->txn_begin;	270	my $txn = $DB_ENV->txn_begin;
255	my $status = $table->db_get (id => $id);	271	my $status = $table->db_get (id => $id);
256	if ($status == 0 \|\| $status == BerkeleyDB::DB_NOTFOUND) {	272	if ($status == 0 \|\| $status == BerkeleyDB::DB_NOTFOUND) {
257	$id = ($id \|\| 64) + 1;	273	$id = ($id \|\| 64) + 1;
258	if ($table->db_put (id => $id) == 0	274	if ($table->db_put (id => $id) == 0
259	&& $table->db_put ($hash => $id) == 0) {	275	&& $table->db_put ($name => $id) == 0) {
260	$txn->txn_commit;	276	$txn->txn_commit;
261		277
262	return $id;	278	return $id;
263	}	279	}
264	}	280	}
265	$txn->txn_abort;	281	$txn->txn_abort;
		282	select undef, undef, undef, 0.01 * rand;
266	}	283	}
267		284
268	die "maximum number of transaction retries reached - database problems?";	285	die "maximum number of transaction retries reached - database problems?";
269	}	286	}
270		287
271	sub do_unlink {	288	sub do_unlink {
272	unlink $_[0];	289	unlink $_[0];
273	}	290	}
274		291
		292	sub do_read_file {
		293	my ($path) = @_;
		294
		295	utf8::downgrade $path;
		296	open my $fh, "<:raw", $path
		297	or return;
		298	sysread $fh, my $buf, -s $fh;
		299
		300	$buf
		301	}
		302
275	sub do_write_file {	303	sub do_write_file {
276	my ($file, $data) = @_;	304	my ($path, $data) = @_;
277		305
278	utf8::downgrade $file;	306	utf8::downgrade $path;
279	utf8::downgrade $data;	307	utf8::downgrade $data;
280	open my $fh, ">:raw", $file	308	open my $fh, ">:raw", $path
281	or return;	309	or return;
282	print $fh $data;	310	syswrite $fh, $data;
283	close $fh;	311	close $fh;
284		312
285	1	313	1
286	}	314	}
287		315
288	sub do_prefetch_file {	316	sub do_prefetch_file {
289	my ($file, $size) = @_;	317	my ($path, $size) = @_;
290		318
291	utf8::downgrade $file;	319	utf8::downgrade $path;
292	open my $fh, "<:raw", $file	320	open my $fh, "<:raw", $path
293	or return;	321	or return;
294	sysread $fh, my $buf, $size;	322	sysread $fh, my $buf, $size;
295		323
296	1	324	1
		325	}
		326
		327	our %LOG_FH;
		328
		329	sub do_logprint {
		330	my ($path, $line) = @_;
		331
		332	$LOG_FH{$path} \|\|= do {
		333	open my $fh, ">>:utf8", $path
		334	or warn "Couldn't open logfile $path: $!";
		335
		336	$fh->autoflush (1);
		337
		338	$fh
		339	};
		340
		341	my ($sec, $min, $hour, $mday, $mon, $year) = localtime time;
		342
		343	my $ts = sprintf "%04d-%02d-%02d %02d:%02d:%02d",
		344	$year + 1900, $mon + 1, $mday, $hour, $min, $sec;
		345
		346	print { $LOG_FH{$path} } "$ts $line\n"
297	}	347	}
298		348
299	sub run {	349	sub run {
300	($FH, my $fh) = CFPlus::socketpipe;	350	($FH, my $fh) = CFPlus::socketpipe;
301		351
…		…
303	my $oldfh = select $fh; $\| = 1; select $oldfh;	353	my $oldfh = select $fh; $\| = 1; select $oldfh;
304		354
305	my $pid = fork;	355	my $pid = fork;
306		356
307	if (defined $pid && !$pid) {	357	if (defined $pid && !$pid) {
		358	local $SIG{QUIT};
308	local $SIG{__DIE__};	359	local $SIG{__DIE__};
		360	local $SIG{__WARN__};
309	eval {	361	eval {
310	close $FH;	362	close $FH;
311		363
312	unless (eval { open_db }) {	364	unless (eval { open_db }) {
313	eval { File::Path::rmtree $DB_HOME };	365	eval { File::Path::rmtree $DB_HOME };
…		…
326	my ($id, $type, @args) = @$req;	378	my ($id, $type, @args) = @$req;
327	my $cb = CFPlus::DB::Server->can ("do_$type")	379	my $cb = CFPlus::DB::Server->can ("do_$type")
328	or die "$type: unknown database request type\n";	380	or die "$type: unknown database request type\n";
329	my $res = pack "N/a*", Storable::freeze [$id, $cb->(@args)];	381	my $res = pack "N/a*", Storable::freeze [$id, $cb->(@args)];
330	(syswrite $fh, $res) == length $res	382	(syswrite $fh, $res) == length $res
331	or die;	383	or die "DB::write: $!";
332	}	384	}
333	};	385	};
334		386
335	my $error = $@;	387	my $error = $@;
336		388
337	eval {	389	eval {
		390	$DB_ENV->txn_checkpoint (0, 0, 0);
		391
338	undef %DB_TABLE;	392	undef %DB_TABLE;
339	undef $DB_ENV;	393	undef $DB_ENV;
340		394
341	Storable::store_fd [die => $error], $fh;	395	Storable::store_fd [die => $error], $fh;
342	};	396	};
…		…
347	close $fh;	401	close $fh;
348	CFPlus::fh_nonblocking $FH, 1;	402	CFPlus::fh_nonblocking $FH, 1;
349		403
350	$CB{die} = sub { die shift };	404	$CB{die} = sub { die shift };
351		405
352	$fh_r_watcher = AnyEvent->io (fh => $FH, poll => 'r', cb => \&fh_read);	406	$fh_r_watcher = EV::io $FH, EV::READ , \&fh_read;
353		407	$fh_w_watcher = EV::io $FH, EV::WRITE, \&fh_write;
354	sync_tick;	408	$SYNC->again unless $SYNC->is_active;
355	}	409	}
356		410
357	sub stop {	411	sub stop {
358	close $FH;	412	close $FH;
359	}	413	}

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Comparing deliantra/Deliantra-Client/DC/DB.pm (file contents): Revision 1.11 by root, Sat Jul 14 12:05:53 2007 UTC vs. Revision 1.23 by root, Fri Nov 16 04:54:25 2007 UTC

Diff Legend

Comparing deliantra/Deliantra-Client/DC/DB.pm (file contents):
Revision 1.11 by root, Sat Jul 14 12:05:53 2007 UTC vs.
Revision 1.23 by root, Fri Nov 16 04:54:25 2007 UTC