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16 | |
16 | |
17 | use strict; |
17 | use strict; |
18 | use utf8; |
18 | use utf8; |
19 | |
19 | |
20 | use Carp (); |
20 | use Carp (); |
21 | use AnyEvent (); |
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22 | use Storable (); |
21 | use Storable (); |
23 | use Config; |
22 | use Config; |
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23 | use Event (); |
24 | |
24 | |
25 | use CFPlus; |
25 | use CFPlus; |
26 | |
26 | |
27 | our $DB_HOME = "$Crossfire::VARDIR/cfplus-$BerkeleyDB::db_version-$Config{archname}"; |
27 | our $DB_HOME = "$Crossfire::VARDIR/cfplus-$BerkeleyDB::db_version-$Config{archname}"; |
28 | |
28 | |
29 | sub path_of($) { |
29 | sub path_of_res($) { |
30 | "$DB_HOME/data-$_[0]" |
30 | utf8::downgrade $_[0]; # bug in unpack "H*" |
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31 | "$DB_HOME/res-data-" . unpack "H*", $_[0] |
31 | } |
32 | } |
32 | |
33 | |
33 | sub sync { |
34 | sub sync { |
34 | # for debugging |
35 | # for debugging |
35 | #CFPlus::DB::Server::req (sync => sub { }); |
36 | #CFPlus::DB::Server::req (sync => sub { }); |
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50 | |
51 | |
51 | sub unlink($$) { |
52 | sub unlink($$) { |
52 | CFPlus::DB::Server::req (unlink => @_); |
53 | CFPlus::DB::Server::req (unlink => @_); |
53 | } |
54 | } |
54 | |
55 | |
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56 | sub read_file($$) { |
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57 | CFPlus::DB::Server::req (read_file => @_); |
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58 | } |
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59 | |
55 | sub write_file($$$) { |
60 | sub write_file($$$) { |
56 | CFPlus::DB::Server::req (write_file => @_); |
61 | CFPlus::DB::Server::req (write_file => @_); |
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62 | } |
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63 | |
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64 | sub prefetch_file($$$) { |
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65 | CFPlus::DB::Server::req (prefetch_file => @_); |
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66 | } |
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67 | |
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68 | sub logprint($$$) { |
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69 | CFPlus::DB::Server::req (logprint => @_); |
57 | } |
70 | } |
58 | |
71 | |
59 | our $tilemap; |
72 | our $tilemap; |
60 | |
73 | |
61 | sub get_tile_id_sync($) { |
74 | sub get_tile_id_sync($) { |
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120 | -Flags => DB_CREATE | DB_UPGRADE, |
133 | -Flags => DB_CREATE | DB_UPGRADE, |
121 | or die "unable to create/open database table $_[0]: $BerkeleyDB::Error" |
134 | or die "unable to create/open database table $_[0]: $BerkeleyDB::Error" |
122 | } |
135 | } |
123 | } |
136 | } |
124 | |
137 | |
125 | our $SYNC_INTERVAL = 60; |
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126 | |
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127 | our %CB; |
138 | our %CB; |
128 | our $FH; |
139 | our $FH; |
129 | our $ID = "aaa0"; |
140 | our $ID = "aaa0"; |
130 | our ($fh_r_watcher, $fh_w_watcher); |
141 | our ($fh_r_watcher, $fh_w_watcher); |
131 | our $sync_timer; |
142 | our $sync_timer; |
132 | our $write_buf; |
143 | our $write_buf; |
133 | our $read_buf; |
144 | our $read_buf; |
134 | |
145 | |
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146 | our $SYNC = Event->idle (min => 5, max => 60, parked => 1, cb => sub { |
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147 | CFPlus::DB::Server::req (sync => sub { }); |
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148 | $_[0]->w->stop; |
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149 | }); |
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150 | |
135 | sub fh_write { |
151 | sub fh_write { |
136 | my $len = syswrite $FH, $write_buf; |
152 | my $len = syswrite $FH, $write_buf; |
137 | |
153 | |
138 | substr $write_buf, 0, $len, ""; |
154 | substr $write_buf, 0, $len, ""; |
139 | |
155 | |
140 | undef $fh_w_watcher |
156 | $fh_w_watcher->stop |
141 | unless length $write_buf; |
157 | unless length $write_buf; |
142 | } |
158 | } |
143 | |
159 | |
144 | sub fh_read { |
160 | sub fh_read { |
145 | my $status = sysread $FH, $read_buf, 16384, length $read_buf; |
161 | my $status = sysread $FH, $read_buf, 16384, length $read_buf; |
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181 | |
197 | |
182 | my $id = ++$ID; |
198 | my $id = ++$ID; |
183 | $write_buf .= pack "N/a*", Storable::freeze [$id, $type, @args]; |
199 | $write_buf .= pack "N/a*", Storable::freeze [$id, $type, @args]; |
184 | $CB{$id} = $cb; |
200 | $CB{$id} = $cb; |
185 | |
201 | |
186 | $fh_w_watcher = AnyEvent->io (fh => $FH, poll => 'w', cb => \&fh_write); |
202 | $fh_w_watcher->start; |
187 | } |
203 | $SYNC->start; |
188 | |
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189 | sub sync_tick { |
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190 | req "sync", sub { }; |
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191 | $sync_timer = AnyEvent->timer (after => $SYNC_INTERVAL, cb => \&sync_tick); |
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192 | } |
204 | } |
193 | |
205 | |
194 | sub do_sync { |
206 | sub do_sync { |
195 | $DB_ENV->txn_checkpoint (0, 0, 0); |
207 | $DB_ENV->txn_checkpoint (0, 0, 0); |
196 | () |
208 | () |
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266 | |
278 | |
267 | sub do_unlink { |
279 | sub do_unlink { |
268 | unlink $_[0]; |
280 | unlink $_[0]; |
269 | } |
281 | } |
270 | |
282 | |
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283 | sub do_read_file { |
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284 | my ($path) = @_; |
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285 | |
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286 | utf8::downgrade $path; |
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287 | open my $fh, "<:raw", $path |
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288 | or return; |
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289 | sysread $fh, my $buf, -s $fh; |
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290 | |
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291 | $buf |
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292 | } |
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293 | |
271 | sub do_write_file { |
294 | sub do_write_file { |
272 | my ($file, $data) = @_; |
295 | my ($path, $data) = @_; |
273 | |
296 | |
274 | utf8::downgrade $file; |
297 | utf8::downgrade $path; |
275 | utf8::downgrade $data; |
298 | utf8::downgrade $data; |
276 | open my $fh, ">:raw", CFPlus::DB::path_of $file |
299 | open my $fh, ">:raw", $path |
277 | or return; |
300 | or return; |
278 | print $fh $data; |
301 | syswrite $fh, $data; |
279 | close $fh; |
302 | close $fh; |
280 | |
303 | |
281 | 1 |
304 | 1 |
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305 | } |
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306 | |
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307 | sub do_prefetch_file { |
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308 | my ($path, $size) = @_; |
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309 | |
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310 | utf8::downgrade $path; |
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311 | open my $fh, "<:raw", $path |
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312 | or return; |
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313 | sysread $fh, my $buf, $size; |
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314 | |
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315 | 1 |
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316 | } |
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317 | |
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318 | our %LOG_FH; |
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319 | |
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320 | sub do_logprint { |
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321 | my ($path, $line) = @_; |
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322 | |
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323 | $LOG_FH{$path} ||= do { |
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324 | open my $fh, ">>:utf8", $path |
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325 | or warn "Couldn't open logfile $path: $!"; |
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326 | |
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327 | $fh->autoflush (1); |
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328 | |
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329 | $fh |
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330 | }; |
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331 | |
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332 | my ($sec, $min, $hour, $mday, $mon, $year) = localtime time; |
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333 | |
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334 | my $ts = sprintf "%04d-%02d-%02d %02d:%02d:%02d", |
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335 | $year + 1900, $mon + 1, $mday, $hour, $min, $sec; |
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336 | |
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337 | print { $LOG_FH{$path} } "$ts $line\n" |
282 | } |
338 | } |
283 | |
339 | |
284 | sub run { |
340 | sub run { |
285 | ($FH, my $fh) = CFPlus::socketpipe; |
341 | ($FH, my $fh) = CFPlus::socketpipe; |
286 | |
342 | |
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288 | my $oldfh = select $fh; $| = 1; select $oldfh; |
344 | my $oldfh = select $fh; $| = 1; select $oldfh; |
289 | |
345 | |
290 | my $pid = fork; |
346 | my $pid = fork; |
291 | |
347 | |
292 | if (defined $pid && !$pid) { |
348 | if (defined $pid && !$pid) { |
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349 | local $SIG{QUIT}; |
293 | local $SIG{__DIE__}; |
350 | local $SIG{__DIE__}; |
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351 | local $SIG{__WARN__}; |
294 | eval { |
352 | eval { |
295 | close $FH; |
353 | close $FH; |
296 | |
354 | |
297 | unless (eval { open_db }) { |
355 | unless (eval { open_db }) { |
298 | eval { File::Path::rmtree $DB_HOME }; |
356 | eval { File::Path::rmtree $DB_HOME }; |
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332 | close $fh; |
390 | close $fh; |
333 | CFPlus::fh_nonblocking $FH, 1; |
391 | CFPlus::fh_nonblocking $FH, 1; |
334 | |
392 | |
335 | $CB{die} = sub { die shift }; |
393 | $CB{die} = sub { die shift }; |
336 | |
394 | |
337 | $fh_r_watcher = AnyEvent->io (fh => $FH, poll => 'r', cb => \&fh_read); |
395 | $fh_r_watcher = Event->io (fd => $FH, poll => 'r', nice => 1, cb => \&fh_read); |
338 | |
396 | $fh_w_watcher = Event->io (fd => $FH, poll => 'w', nice => -1, parked => 1, cb => \&fh_write); |
339 | sync_tick; |
397 | $SYNC->start; |
340 | } |
398 | } |
341 | |
399 | |
342 | sub stop { |
400 | sub stop { |
343 | close $FH; |
401 | close $FH; |
344 | } |
402 | } |