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17 | use strict; |
17 | use strict; |
18 | use utf8; |
18 | use utf8; |
19 | |
19 | |
20 | use Carp (); |
20 | use Carp (); |
21 | use AnyEvent (); |
21 | use AnyEvent (); |
22 | use Storable (); # finally |
22 | use Storable (); |
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23 | |
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24 | use CFPlus; |
23 | |
25 | |
24 | sub sync { |
26 | sub sync { |
25 | # for debugging |
27 | # for debugging |
26 | #CFPlus::DB::Server::req (sync => sub { }); |
28 | #CFPlus::DB::Server::req (sync => sub { }); |
27 | CFPlus::DB::Server::sync (); |
29 | CFPlus::DB::Server::sync (); |
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100 | -Flags => DB_CREATE | DB_UPGRADE, |
102 | -Flags => DB_CREATE | DB_UPGRADE, |
101 | or die "unable to create/open database table $_[0]: $BerkeleyDB::Error" |
103 | or die "unable to create/open database table $_[0]: $BerkeleyDB::Error" |
102 | } |
104 | } |
103 | } |
105 | } |
104 | |
106 | |
105 | our $SYNC_INTERVAL = 6; |
107 | our $SYNC_INTERVAL = 60; |
106 | |
108 | |
107 | our %CB; |
109 | our %CB; |
108 | our $FH; |
110 | our $FH; |
109 | our $ID = "aaa0"; |
111 | our $ID = "aaa0"; |
110 | our ($fh_r_watcher, $fh_w_watcher); |
112 | our ($fh_r_watcher, $fh_w_watcher); |
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177 | } |
179 | } |
178 | |
180 | |
179 | sub do_get { |
181 | sub do_get { |
180 | my ($db, $key) = @_; |
182 | my ($db, $key) = @_; |
181 | |
183 | |
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184 | utf8::downgrade $key; |
182 | my $data; |
185 | my $data; |
183 | (table $db)->db_get ($key, $data) == 0 |
186 | (table $db)->db_get ($key, $data) == 0 |
184 | ? $data |
187 | ? $data |
185 | : () |
188 | : () |
186 | } |
189 | } |
187 | |
190 | |
188 | sub do_put { |
191 | sub do_put { |
189 | my ($db, $key, $data) = @_; |
192 | my ($db, $key, $data) = @_; |
190 | |
193 | |
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194 | utf8::downgrade $key; |
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195 | utf8::downgrade $data; |
191 | (table $db)->db_put ($key => $data) |
196 | (table $db)->db_put ($key => $data) |
192 | } |
197 | } |
193 | |
198 | |
194 | sub do_table { |
199 | sub do_table { |
195 | my ($db) = @_; |
200 | my ($db) = @_; |
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243 | local $SIG{__DIE__}; |
248 | local $SIG{__DIE__}; |
244 | eval { |
249 | eval { |
245 | close $FH; |
250 | close $FH; |
246 | |
251 | |
247 | unless (eval { open_db }) { |
252 | unless (eval { open_db }) { |
248 | File::Path::rmtree $DB_HOME; |
253 | eval { File::Path::rmtree $DB_HOME }; |
249 | open_db; |
254 | open_db; |
250 | } |
255 | } |
251 | |
256 | |
252 | while () { |
257 | while () { |
253 | 4 == read $fh, my $len, 4 |
258 | 4 == read $fh, my $len, 4 |
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278 | |
283 | |
279 | CFPlus::_exit 0; |
284 | CFPlus::_exit 0; |
280 | } |
285 | } |
281 | |
286 | |
282 | close $fh; |
287 | close $fh; |
283 | fcntl $FH, F_SETFL, O_NONBLOCK; |
288 | CFPlus::fh_nonblocking $FH, 1; |
284 | |
289 | |
285 | $CB{die} = sub { die shift }; |
290 | $CB{die} = sub { die shift }; |
286 | |
291 | |
287 | $fh_r_watcher = AnyEvent->io (fh => $FH, poll => 'r', cb => \&fh_read); |
292 | $fh_r_watcher = AnyEvent->io (fh => $FH, poll => 'r', cb => \&fh_read); |
288 | |
293 | |
289 | sync_tick; |
294 | sync_tick; |
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295 | } |
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296 | |
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297 | sub stop { |
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298 | close $FH; |
290 | } |
299 | } |
291 | |
300 | |
292 | 1; |
301 | 1; |
293 | |
302 | |
294 | =back |
303 | =back |