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

Comparing deliantra/Deliantra-Client/DC/DB.pm (file contents):
Revision 1.31 by root, Thu Jan 10 23:02:19 2008 UTC vs.
Revision 1.39 by root, Tue Sep 2 04:38:23 2008 UTC

…		…
15	package DC::DB;	15	package DC::DB;
16		16
17	use strict;	17	use strict;
18	use utf8;	18	use utf8;
19		19
		20	use File::Path ();
20	use Carp ();	21	use Carp ();
21	use Storable ();	22	use Storable ();
22	use Config;	23	use Config;
23	use BDB;	24	use BDB;
24		25
25	use DC;	26	use DC;
26		27
27	our $ODBDIR = "cfplus-" . BDB::VERSION . "-$Config{archname}";	28	our $ODBDIR = "cfplus-" . BDB::VERSION_MAJOR . "." . BDB::VERSION_MINOR . "-$Config{archname}";
28	our $DBDIR = "client-" . BDB::VERSION . "-$Config{archname}";	29	our $DBDIR = "client-" . BDB::VERSION_MAJOR . "." . BDB::VERSION_MINOR . "-$Config{archname}";
29	our $DB_HOME = "$Deliantra::VARDIR/$DBDIR";	30	our $DB_HOME = "$Deliantra::VARDIR/$DBDIR";
30		31
		32	unless (-d $DB_HOME) {
31	if (!-e $DB_HOME and -e "$Deliantra::VARDIR/$ODBDIR") {	33	if (-d "$Deliantra::VARDIR/$ODBDIR") {
32	rename "$Deliantra::VARDIR/$ODBDIR", $DB_HOME;	34	rename "$Deliantra::VARDIR/$ODBDIR", $DB_HOME;
33	print STDERR "INFO: moved old database from $Deliantra::VARDIR/$ODBDIR to $DB_HOME\n";	35	print STDERR "INFO: moved old database from $Deliantra::VARDIR/$ODBDIR to $DB_HOME\n";
34	}
35
36	if (!-e $DB_HOME and -e "$Deliantra::OLDDIR/$ODBDIR") {	36	} elsif (-d "$Deliantra::OLDDIR/$ODBDIR") {
37	rename "$Deliantra::OLDDIR/$DBDIR", $DB_HOME;	37	rename "$Deliantra::OLDDIR/$DBDIR", $DB_HOME;
38	print STDERR "INFO: moved old database from $Deliantra::OLDDIR/$ODBDIR to $DB_HOME\n";	38	print STDERR "INFO: moved old database from $Deliantra::OLDDIR/$ODBDIR to $DB_HOME\n";
		39	} else {
		40	File::Path::mkpath [$DB_HOME]
		41	or die "unable to create database directory $DB_HOME: $!";
		42	}
39	}	43	}
40		44
41	BDB::max_poll_time 0.03;	45	BDB::max_poll_time 0.03;
		46	BDB::max_parallel 1;
42		47
43	our $DB_ENV;	48	our $DB_ENV;
44	our $DB_STATE;	49	our $DB_STATE;
45	our %DB_TABLE;	50	our %DB_TABLE;
		51	our $TILE_SEQ;
46		52
47	sub open_db {	53	sub try_open_db {
48	mkdir $DB_HOME, 0777;	54	File::Path::mkpath [$DB_HOME];
49		55
50	$DB_ENV = db_env_create;	56	my $env = db_env_create;
51		57
52	$DB_ENV->set_errfile (\*STDERR);	58	$env->set_errfile (\*STDERR);
53	$DB_ENV->set_msgfile (\*STDERR);	59	$env->set_msgfile (\*STDERR);
54	$DB_ENV->set_verbose (-1, 1);	60	$env->set_verbose (-1, 1);
55		61
56	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::LOG_AUTOREMOVE \| BDB::TXN_WRITE_NOSYNC);	62	$env->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT);
		63	$env->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		64	$env->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		65
		66	$env->set_timeout (3, BDB::SET_TXN_TIMEOUT);
		67	$env->set_timeout (3, BDB::SET_LOCK_TIMEOUT);
		68
57	$DB_ENV->set_cachesize (0, 2048 * 1024, 0);	69	$env->set_cachesize (0, 2048 * 1024, 0);
58		70
59	db_env_open $DB_ENV, $DB_HOME,	71	db_env_open $env, $DB_HOME,
60	BDB::CREATE \| BDB::REGISTER \| BDB::RECOVER \| BDB::INIT_MPOOL \| BDB::INIT_LOCK \| BDB::INIT_TXN,	72	BDB::CREATE \| BDB::REGISTER \| BDB::RECOVER \| BDB::INIT_MPOOL \| BDB::INIT_LOCK \| BDB::INIT_TXN,
61	0666;	73	0666;
62		74
63	$! and die "cannot open database environment $DB_HOME: " . BDB::strerror;	75	$! and die "cannot open database environment $DB_HOME: " . BDB::strerror;
		76
		77	$DB_ENV = $env;
64		78
65	1	79	1
66	}	80	}
67		81
68	sub table($) {	82	sub table($) {
…		…
83	}	97	}
84	}	98	}
85		99
86	#############################################################################	100	#############################################################################
87		101
88	unless (eval { open_db }) {	102	our $WATCHER;
89	warn "$@";#d#	103	our $SYNC;
90	eval { File::Path::rmtree $DB_HOME };
91	open_db;
92	}
93
94	our $WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
95
96	our $SYNC = EV::timer_ns 0, 60, sub {
97	$_[0]->stop;
98	db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
99	};
100
101	our $tilemap;	104	our $facemap;
102		105
103	sub exists($$$) {	106	sub exists($$$) {
104	my ($db, $key, $cb) = @_;	107	my ($db, $key, $cb) = @_;
105		108
106	my $data;	109	my $data;
…		…
148	my ($name, $cb) = @_;	151	my ($name, $cb) = @_;
149		152
150	my $table = table "facemap";	153	my $table = table "facemap";
151	my $id;	154	my $id;
152		155
153	db_get $table, undef, $name, $id, 0;	156	db_get $table, undef, $name => $id, 0;
154	return $cb->($id) unless $!;	157	$! or return $cb->($id);
155		158
156	for (1..100) {	159	unless ($TILE_SEQ) {
157	my $txn = $DB_ENV->txn_begin;	160	$TILE_SEQ = $table->sequence;
158	db_get $table, $txn, id => $id, 0;	161	$TILE_SEQ->initial_value (64);
		162	$TILE_SEQ->set_cachesize (0);
		163	db_sequence_open $TILE_SEQ, undef, "id", BDB::CREATE;
		164	}
159		165
160	$id = 64 if $id < 64;	166	db_sequence_get $TILE_SEQ, undef, 1, my $id;
161		167
162	++$id;	168	die "unable to allocate tile id: $!"
163		169	if $!;
164	db_put $table, $txn, id => $id, 0;
165	db_txn_finish $txn;
166
167	$SYNC->again unless $SYNC->is_active;
168
169	return $cb->($id) unless $!;
170
171	select undef, undef, undef, 0.01 * rand;
172	}	170
		171	db_put $table, undef, $name => $id, 0;
		172	$cb->($id);
173		173
174	die "maximum number of transaction retries reached - database problems?";
175	}	174	}
176		175
177	sub get_tile_id_sync($) {	176	sub get_tile_id_sync($) {
178	my ($name) = @_;	177	my ($name) = @_;
179		178
180	$tilemap->{$name} \|\|= do {	179	$facemap->{$name} \|\|= do {
181	my $id;	180	my $id;
182	do_get_tile_id $name, sub {	181	do_get_tile_id $name, sub {
183	$id = $_[0];	182	$id = $_[0];
184	};	183	};
185	BDB::flush;	184	BDB::flush;
…		…
219	sub logprint($$$) {	218	sub logprint($$$) {
220	DC::DB::Server::req (logprint => @_);	219	DC::DB::Server::req (logprint => @_);
221	}	220	}
222		221
223	#############################################################################	222	#############################################################################
224
225	# fetch the full face table first
226	unless ($tilemap) {
227	do_table facemap => sub {
228	$tilemap = $_[0];
229	delete $tilemap->{id};
230	my %maptile = reverse %$tilemap;#d#
231	if ((scalar keys %$tilemap) != (scalar keys %maptile)) {#d#
232	$tilemap = { };#d#
233	DC::error "FATAL: facemap is not a 1:1 mapping, please report this and delete your $DB_HOME directory!\n";#d#
234	}#d#
235	};
236	}
237		223
238	package DC::DB::Server;	224	package DC::DB::Server;
239		225
240	use strict;	226	use strict;
241		227
…		…
421		407
422	sub stop {	408	sub stop {
423	close $FH;	409	close $FH;
424	}	410	}
425		411
		412	package DC::DB;
		413
		414	sub nuke_db {
		415	File::Path::mkpath [$DB_HOME];
		416	eval { File::Path::rmtree $DB_HOME };
		417	}
		418
		419	sub open_db {
		420	unless (eval { try_open_db }) {
		421	warn "$@";#d#
		422	eval { nuke_db };
		423	try_open_db;
		424	}
		425
		426	# fetch the full face table first
		427	unless ($facemap) {
		428	do_table facemap => sub {
		429	$facemap = $_[0];
		430	delete $facemap->{id};
		431	my %maptile = reverse %$facemap;#d#
		432	if ((scalar keys %$facemap) != (scalar keys %maptile)) {#d#
		433	$facemap = { };#d#
		434	DC::error "FATAL: facemap is not a 1:1 mapping, please report this and delete your $DB_HOME directory!\n";#d#
		435	}#d#
		436	};
		437	}
		438
		439	$WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
		440	$SYNC = EV::timer_ns 0, 60, sub {
		441	$_[0]->stop;
		442	db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		443	};
		444	}
		445
		446	END {
		447	db_env_txn_checkpoint $DB_ENV, 0, 0, 0
		448	if $DB_ENV;
		449
		450	undef $TILE_SEQ;
		451	%DB_TABLE = ();
		452	undef $DB_ENV;
		453	}
		454
426	1;	455	1;
427		456
428	=back	457	=back
429		458
430	=head1 AUTHOR	459	=head1 AUTHOR

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Comparing deliantra/Deliantra-Client/DC/DB.pm (file contents): Revision 1.31 by root, Thu Jan 10 23:02:19 2008 UTC vs. Revision 1.39 by root, Tue Sep 2 04:38:23 2008 UTC

Diff Legend

Comparing deliantra/Deliantra-Client/DC/DB.pm (file contents):
Revision 1.31 by root, Thu Jan 10 23:02:19 2008 UTC vs.
Revision 1.39 by root, Tue Sep 2 04:38:23 2008 UTC