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 1.6 by root, Mon Apr 16 21:06:37 2007 UTC vs.
Revision 1.12 by root, Tue Jul 24 04:54:47 2007 UTC

1=head1 NAME 1=head1 NAME
2 2
3CFPlus::DB - async. database access for cfplus 3CFPlus::DB - async. database and filesystem access for cfplus
4 4
5=head1 SYNOPSIS 5=head1 SYNOPSIS
6 6
7 use CFPlus::DB; 7 use CFPlus::DB;
8 8
… …
18use utf8; 18use utf8;
19 19
20use Carp (); 20use Carp ();
21use AnyEvent (); 21use AnyEvent ();
22use Storable (); 22use Storable ();
23use Config;
23 24
24use CFPlus; 25use CFPlus;
26
27our $DB_HOME = "$Crossfire::VARDIR/cfplus-$BerkeleyDB::db_version-$Config{archname}";
28
29sub path_of_res($) {
30 utf8::downgrade $_[0]; # bug in unpack "H*"
31 "$DB_HOME/res-data-" . unpack "H*", $_[0]
32}
25 33
26sub sync { 34sub sync {
27 # for debugging 35 # for debugging
28 #CFPlus::DB::Server::req (sync => sub { }); 36 #CFPlus::DB::Server::req (sync => sub { });
29 CFPlus::DB::Server::sync (); 37 CFPlus::DB::Server::sync ();
30} 38}
31 39
40sub exists($$$) {
41 CFPlus::DB::Server::req (exists => @_);
42}
43
32sub get($$$) { 44sub get($$$) {
33 CFPlus::DB::Server::req (get => @_); 45 CFPlus::DB::Server::req (get => @_);
34} 46}
35 47
36sub put($$$$) { 48sub put($$$$) {
37 CFPlus::DB::Server::req (put => @_); 49 CFPlus::DB::Server::req (put => @_);
50}
51
52sub unlink($$) {
53 CFPlus::DB::Server::req (unlink => @_);
54}
55
56sub write_file($$$) {
57 CFPlus::DB::Server::req (write_file => @_);
58}
59
60sub prefetch_file($$$) {
61 CFPlus::DB::Server::req (prefetch_file => @_);
38} 62}
39 63
40our $tilemap; 64our $tilemap;
41 65
42sub get_tile_id_sync($) { 66sub get_tile_id_sync($) {
… …
61use strict; 85use strict;
62 86
63use Fcntl; 87use Fcntl;
64use BerkeleyDB; 88use BerkeleyDB;
65 89
66our $DB_HOME = "$Crossfire::VARDIR/cfplus";
67our $DB_ENV; 90our $DB_ENV;
68our $DB_STATE; 91our $DB_STATE;
69our %DB_TABLE; 92our %DB_TABLE;
70 93
71sub open_db { 94sub open_db {
… …
176sub do_sync { 199sub do_sync {
177 $DB_ENV->txn_checkpoint (0, 0, 0); 200 $DB_ENV->txn_checkpoint (0, 0, 0);
178 () 201 ()
179} 202}
180 203
204sub do_exists {
205 my ($db, $key) = @_;
206
207 utf8::downgrade $key;
208 my $data;
209 (table $db)->db_get ($key, $data) == 0
210 ? length $data
211 : ()
212}
213
181sub do_get { 214sub do_get {
182 my ($db, $key) = @_; 215 my ($db, $key) = @_;
183 216
184 utf8::downgrade $key; 217 utf8::downgrade $key;
185 my $data; 218 my $data;
… …
234 } 267 }
235 268
236 die "maximum number of transaction retries reached - database problems?"; 269 die "maximum number of transaction retries reached - database problems?";
237} 270}
238 271
272sub do_unlink {
273 unlink $_[0];
274}
275
276sub do_write_file {
277 my ($file, $data) = @_;
278
279 utf8::downgrade $file;
280 utf8::downgrade $data;
281 open my $fh, ">:raw", $file
282 or return;
283 print $fh $data;
284 close $fh;
285
286 1
287}
288
289sub do_prefetch_file {
290 my ($file, $size) = @_;
291
292 utf8::downgrade $file;
293 open my $fh, "<:raw", $file
294 or return;
295 sysread $fh, my $buf, $size;
296
297 1
298}
299
239sub run { 300sub run {
240 ($FH, my $fh) = CFPlus::socketpipe; 301 ($FH, my $fh) = CFPlus::socketpipe;
241 302
242 my $oldfh = select $FH; $| = 1; select $oldfh; 303 my $oldfh = select $FH; $| = 1; select $oldfh;
243 my $oldfh = select $fh; $| = 1; select $oldfh; 304 my $oldfh = select $fh; $| = 1; select $oldfh;

Diff Legend

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