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Comparing deliantra/Deliantra-Client/DC/DB.pm (file contents):
Revision 1.8 by root, Thu Jul 5 10:15:17 2007 UTC vs.
Revision 1.11 by root, Sat Jul 14 12:05:53 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($) {
30 "$DB_HOME/res-data-$_[0]"
31}
25 32
26sub sync { 33sub sync {
27 # for debugging 34 # for debugging
28 #CFPlus::DB::Server::req (sync => sub { }); 35 #CFPlus::DB::Server::req (sync => sub { });
29 CFPlus::DB::Server::sync (); 36 CFPlus::DB::Server::sync ();
30} 37}
31 38
39sub exists($$$) {
40 CFPlus::DB::Server::req (exists => @_);
41}
42
32sub get($$$) { 43sub get($$$) {
33 CFPlus::DB::Server::req (get => @_); 44 CFPlus::DB::Server::req (get => @_);
34} 45}
35 46
36sub put($$$$) { 47sub put($$$$) {
37 CFPlus::DB::Server::req (put => @_); 48 CFPlus::DB::Server::req (put => @_);
49}
50
51sub unlink($$) {
52 CFPlus::DB::Server::req (unlink => @_);
53}
54
55sub write_file($$$) {
56 CFPlus::DB::Server::req (write_file => @_);
57}
58
59sub prefetch_file($$$) {
60 CFPlus::DB::Server::req (prefetch_file => @_);
38} 61}
39 62
40our $tilemap; 63our $tilemap;
41 64
42sub get_tile_id_sync($) { 65sub get_tile_id_sync($) {
… …
60 83
61use strict; 84use strict;
62 85
63use Fcntl; 86use Fcntl;
64use BerkeleyDB; 87use BerkeleyDB;
65use Config;
66 88
67our $DB_HOME = "$Crossfire::VARDIR/cfplus-$BerkeleyDB::db_version-$Config{archname}";
68our $DB_ENV; 89our $DB_ENV;
69our $DB_STATE; 90our $DB_STATE;
70our %DB_TABLE; 91our %DB_TABLE;
71 92
72sub open_db { 93sub open_db {
… …
177sub do_sync { 198sub do_sync {
178 $DB_ENV->txn_checkpoint (0, 0, 0); 199 $DB_ENV->txn_checkpoint (0, 0, 0);
179 () 200 ()
180} 201}
181 202
203sub do_exists {
204 my ($db, $key) = @_;
205
206 utf8::downgrade $key;
207 my $data;
208 (table $db)->db_get ($key, $data) == 0
209 ? length $data
210 : ()
211}
212
182sub do_get { 213sub do_get {
183 my ($db, $key) = @_; 214 my ($db, $key) = @_;
184 215
185 utf8::downgrade $key; 216 utf8::downgrade $key;
186 my $data; 217 my $data;
… …
235 } 266 }
236 267
237 die "maximum number of transaction retries reached - database problems?"; 268 die "maximum number of transaction retries reached - database problems?";
238} 269}
239 270
271sub do_unlink {
272 unlink $_[0];
273}
274
275sub do_write_file {
276 my ($file, $data) = @_;
277
278 utf8::downgrade $file;
279 utf8::downgrade $data;
280 open my $fh, ">:raw", $file
281 or return;
282 print $fh $data;
283 close $fh;
284
285 1
286}
287
288sub do_prefetch_file {
289 my ($file, $size) = @_;
290
291 utf8::downgrade $file;
292 open my $fh, "<:raw", $file
293 or return;
294 sysread $fh, my $buf, $size;
295
296 1
297}
298
240sub run { 299sub run {
241 ($FH, my $fh) = CFPlus::socketpipe; 300 ($FH, my $fh) = CFPlus::socketpipe;
242 301
243 my $oldfh = select $FH; $| = 1; select $oldfh; 302 my $oldfh = select $FH; $| = 1; select $oldfh;
244 my $oldfh = select $fh; $| = 1; select $oldfh; 303 my $oldfh = select $fh; $| = 1; select $oldfh;

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