ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/Deliantra-Client/DC/DB.pm
(Generate patch)

Comparing deliantra/Deliantra-Client/DC/DB.pm (file contents):
Revision 1.15 by root, Mon Aug 6 02:11:45 2007 UTC vs.
Revision 1.20 by root, Tue Aug 28 20:07:18 2007 UTC

… …
51 51
52sub unlink($$) { 52sub unlink($$) {
53 CFPlus::DB::Server::req (unlink => @_); 53 CFPlus::DB::Server::req (unlink => @_);
54} 54}
55 55
56sub read_file($$) {
57 CFPlus::DB::Server::req (read_file => @_);
58}
59
56sub write_file($$$) { 60sub write_file($$$) {
57 CFPlus::DB::Server::req (write_file => @_); 61 CFPlus::DB::Server::req (write_file => @_);
58} 62}
59 63
60sub prefetch_file($$$) { 64sub prefetch_file($$$) {
… …
66} 70}
67 71
68our $tilemap; 72our $tilemap;
69 73
70sub get_tile_id_sync($) { 74sub get_tile_id_sync($) {
71 my ($hash) = @_; 75 my ($name) = @_;
72 76
73 # fetch the full face table first 77 # fetch the full face table first
74 unless ($tilemap) { 78 unless ($tilemap) {
75 CFPlus::DB::Server::req (table => facemap => sub { $tilemap = $_[0] }); 79 CFPlus::DB::Server::req (table => facemap => sub {
80 $tilemap = $_[0];
81 delete $tilemap->{id};
82 my %maptile = reverse %$tilemap;#d#
83 if ((scalar keys %$tilemap) != (scalar keys %maptile)) {#d#
84 $tilemap = { };#d#
85 CFPlus::error "FATAL: facemap is not a 1:1 mapping, please report this and delete your $DB_HOME directory!\n";#d#
86 }#d#
87 });
76 sync; 88 sync;
77 } 89 }
78 90
79 $tilemap->{$hash} ||= do { 91 $tilemap->{$name} ||= do {
80 my $id; 92 my $id;
81 CFPlus::DB::Server::req (get_tile_id => $hash, sub { $id = $_[0] }); 93 CFPlus::DB::Server::req (get_tile_id => $name, sub { $id = $_[0] });
82 sync; 94 sync;
83 $id 95 $id
84 } 96 }
85} 97}
86 98
… …
106 -Cachesize => 8_000_000, 118 -Cachesize => 8_000_000,
107 -ErrFile => "$DB_HOME/errorlog.txt", 119 -ErrFile => "$DB_HOME/errorlog.txt",
108# -ErrPrefix => "DATABASE", 120# -ErrPrefix => "DATABASE",
109 -Verbose => 1, 121 -Verbose => 1,
110 -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,
111 -SetFlags => DB_AUTO_COMMIT | DB_LOG_AUTOREMOVE, 123 -SetFlags => DB_AUTO_COMMIT | DB_LOG_AUTOREMOVE | DB_TXN_WRITE_NOSYNC,
112 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";
113 125
114 1 126 1
115} 127}
116 128
… …
124 -Env => $DB_ENV, 136 -Env => $DB_ENV,
125 -Filename => $table, 137 -Filename => $table,
126# -Filename => "database", 138# -Filename => "database",
127# -Subname => $table, 139# -Subname => $table,
128 -Property => DB_CHKSUM, 140 -Property => DB_CHKSUM,
129 -Flags => DB_CREATE | DB_UPGRADE, 141 -Flags => DB_AUTO_COMMIT | DB_CREATE | DB_UPGRADE,
130 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error" 142 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error"
131 } 143 }
132} 144}
133 145
134our %CB; 146our %CB;
… …
137our ($fh_r_watcher, $fh_w_watcher); 149our ($fh_r_watcher, $fh_w_watcher);
138our $sync_timer; 150our $sync_timer;
139our $write_buf; 151our $write_buf;
140our $read_buf; 152our $read_buf;
141 153
142our $SYNC = Event->idle (min => 5, max => 60, parked => 1, cb => sub { 154our $SYNC = Event->idle (min => 120, max => 180, parked => 1, cb => sub {
143 CFPlus::DB::Server::req (sync => sub { }); 155 CFPlus::DB::Server::req (sync => sub { });
144 $_[0]->w->stop; 156 $_[0]->w->stop;
145}); 157});
146 158
147sub fh_write { 159sub fh_write {
… …
244 256
245 \%kv 257 \%kv
246} 258}
247 259
248sub do_get_tile_id { 260sub do_get_tile_id {
249 my ($hash) = @_; 261 my ($name) = @_;
250 262
251 my $id; 263 my $id;
252 my $table = table "facemap"; 264 my $table = table "facemap";
253 265
254 return $id 266 return $id
255 if $table->db_get ($hash, $id) == 0; 267 if $table->db_get ($name, $id) == 0;
256 268
257 for (1..100) { 269 for (1..100) {
258 my $txn = $DB_ENV->txn_begin; 270 my $txn = $DB_ENV->txn_begin;
259 my $status = $table->db_get (id => $id); 271 my $status = $table->db_get (id => $id);
260 if ($status == 0 || $status == BerkeleyDB::DB_NOTFOUND) { 272 if ($status == 0 || $status == BerkeleyDB::DB_NOTFOUND) {
261 $id = ($id || 64) + 1; 273 $id = ($id || 64) + 1;
262 if ($table->db_put (id => $id) == 0 274 if ($table->db_put (id => $id) == 0
263 && $table->db_put ($hash => $id) == 0) { 275 && $table->db_put ($name => $id) == 0) {
264 $txn->txn_commit; 276 $txn->txn_commit;
265 277
266 return $id; 278 return $id;
267 } 279 }
268 } 280 }
269 $txn->txn_abort; 281 $txn->txn_abort;
282 select undef, undef, undef, 0.01 * rand;
270 } 283 }
271 284
272 die "maximum number of transaction retries reached - database problems?"; 285 die "maximum number of transaction retries reached - database problems?";
273} 286}
274 287
275sub do_unlink { 288sub do_unlink {
276 unlink $_[0]; 289 unlink $_[0];
277} 290}
278 291
292sub do_read_file {
293 my ($path) = @_;
294
295 utf8::downgrade $path;
296 open my $fh, "<:raw", $path
297 or return;
298 sysread $fh, my $buf, -s $fh;
299
300 $buf
301}
302
279sub do_write_file { 303sub do_write_file {
280 my ($file, $data) = @_; 304 my ($path, $data) = @_;
281 305
282 utf8::downgrade $file; 306 utf8::downgrade $path;
283 utf8::downgrade $data; 307 utf8::downgrade $data;
284 open my $fh, ">:raw", $file 308 open my $fh, ">:raw", $path
285 or return; 309 or return;
286 print $fh $data; 310 syswrite $fh, $data;
287 close $fh; 311 close $fh;
288 312
289 1 313 1
290} 314}
291 315
292sub do_prefetch_file { 316sub do_prefetch_file {
293 my ($file, $size) = @_; 317 my ($path, $size) = @_;
294 318
295 utf8::downgrade $file; 319 utf8::downgrade $path;
296 open my $fh, "<:raw", $file 320 open my $fh, "<:raw", $path
297 or return; 321 or return;
298 sysread $fh, my $buf, $size; 322 sysread $fh, my $buf, $size;
299 323
300 1 324 1
301} 325}

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines