19 |
tmp => '/dev/shm/comp', |
tmp => '/dev/shm/comp', |
20 |
}; |
}; |
21 |
|
|
22 |
my $debug = 1; |
my $debug = shift @ARGV; |
23 |
|
|
24 |
my $skip_extensions_regex = qr/\.(?:sw[a-z]|gif|png|jpeg|jpg|avi|rar|zip|bz2|gz|tgz|avi|mpeg|mpg|tmp|temp)$/i; |
my $skip_extensions_regex = qr/\.(?:sw[a-z]|gif|png|jpeg|jpg|avi|rar|zip|bz2|gz|tgz|avi|mpeg|mpg|tmp|temp)$/i; |
25 |
|
|
103 |
|
|
104 |
sub file_copy { |
sub file_copy { |
105 |
my ( $s_opt, $s_path, $d_opt, $d_path ) = @_; |
my ( $s_opt, $s_path, $d_opt, $d_path ) = @_; |
106 |
warn "## file_copy( $s_opt $s_path $d_opt $d_path )\n"; |
warn "## file_copy( $s_opt $s_path [",-s $s_path,"] $d_opt $d_path [",-e $d_path ? -s $d_path : 'new',"])\n" if $debug; |
107 |
open(my $s, $s_opt, $s_path ) || confess "can't open $s_path: $!\npending = ", dump( $pending ); |
open(my $s, $s_opt, $s_path ) || confess "can't open $s_path: $!\npending = ", dump( $pending ); |
108 |
open(my $d, $d_opt, $d_path ) || confess "can't open $d_path: $!"; |
open(my $d, $d_opt, $d_path ) || confess "can't open $d_path: $!"; |
109 |
my $buff; |
my $buff; |
110 |
while( read( $s, $buff, 65535 ) ) { |
while( read( $s, $buff, 65535 ) ) { |
111 |
print $d $buff || confess "can't write into $d_path: $!"; |
print $d $buff || confess "can't write into $d_path: $!"; |
112 |
warn ">> ", length($buff), " bytes, offset ", tell($s), " -> ", tell($d), "\n" if $debug; |
warn ">> [", length($buff), "] offset ", tell($s), " -> ", tell($d), "\n" if $debug; |
113 |
} |
} |
114 |
close($d) || warn "can't close $d_path: $!"; |
close($d) || warn "can't close $d_path: $!"; |
115 |
close($s) || warn "can't close $s_path: $!"; |
close($s) || warn "can't close $s_path: $!"; |
127 |
sub x_open { |
sub x_open { |
128 |
my ($file) = shift; |
my ($file) = shift; |
129 |
my ($mode) = shift; |
my ($mode) = shift; |
130 |
|
|
131 |
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if ( $file eq '/.debug' ) { |
132 |
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my $path = $mount->{from} . '/.debug'; |
133 |
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open( my $debug, '>', $path ) || die "can't open $path: $!"; |
134 |
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my $dump = dump( $pending ); |
135 |
|
print $debug "pending = $dump\n"; |
136 |
|
close($debug); |
137 |
|
$pending->{'/.debug'}->{path} = $path; |
138 |
|
warn "## created dump $path $dump\n"; |
139 |
|
return 0; |
140 |
|
} |
141 |
|
|
142 |
$pending->{$file}->{open}++; |
$pending->{$file}->{open}++; |
143 |
|
|
144 |
my $mode_desc = { |
my $mode_desc = { |
146 |
rdwr => $mode && O_RDWR, |
rdwr => $mode && O_RDWR, |
147 |
append => $mode && O_APPEND, |
append => $mode && O_APPEND, |
148 |
create => $mode && O_CREAT, |
create => $mode && O_CREAT, |
149 |
|
trunc => $mode && O_TRUNC, |
150 |
}; |
}; |
151 |
warn "# open( $file, $mode ) pending: ", $pending->{$file}->{open}, " mode: ", dump( $mode_desc ),"\n"; |
my $path = fixup($file); |
152 |
|
warn "## open( $file, $mode ) pending: ", $pending->{$file}->{open}, " mode $mode: ", dump( $mode_desc )," $path [", -s $path, "]\n" if $debug; |
153 |
my $fh; |
my $fh; |
154 |
|
|
|
my $path = fixup($file); |
|
155 |
my $tmp = $mount->{tmp} . '/' . $file; |
my $tmp = $mount->{tmp} . '/' . $file; |
156 |
if ( -e $tmp ) { |
if ( -e $tmp ) { |
157 |
$path = $tmp; |
$path = $tmp; |
162 |
file_copy( '<:gzip', $path, '>', $tmp ); |
file_copy( '<:gzip', $path, '>', $tmp ); |
163 |
$path = $tmp; |
$path = $tmp; |
164 |
} |
} |
165 |
warn ">>> open abs path: $path ", -s $path, " bytes\n"; |
warn "<<< open abs path: $path [", -e $path ? -s $path : 'new' , "]\n"; |
166 |
return -$! unless sysopen($fh , $path, $mode); |
return -$! unless sysopen($fh , $path, $mode); |
167 |
|
close($fh); |
168 |
|
|
169 |
$pending->{$file}->{path} = $path; |
$pending->{$file}->{path} = $path; |
170 |
return 0; |
return 0; |
175 |
my ($rv) = -ENOSYS(); |
my ($rv) = -ENOSYS(); |
176 |
my $path = fixup( $file ); |
my $path = fixup( $file ); |
177 |
|
|
178 |
|
confess "no pending file $file ", dump( $pending ) unless defined( $pending->{$file} ); |
179 |
|
|
180 |
return -ENOENT() unless -e $path; |
return -ENOENT() unless -e $path; |
181 |
|
|
182 |
my $fh = new IO::File; |
my $fh = new IO::File; |
195 |
my $rv; |
my $rv; |
196 |
my $path = fixup($file); |
my $path = fixup($file); |
197 |
|
|
198 |
|
confess "no pending file $file ", dump( $pending ) unless defined( $pending->{$file} ); |
199 |
|
|
200 |
return -ENOENT() unless -e $path; |
return -ENOENT() unless -e $path; |
201 |
|
|
202 |
my $fh = new IO::File; |
my $fh = new IO::File; |
203 |
return -ENOSYS() unless open($fh,'+<',$pending->{$file}->{path}); |
return -ENOSYS() unless open($fh,'+<',$pending->{$file}->{path}); |
204 |
if($rv = seek( $fh ,$off,SEEK_SET)) { |
if($rv = seek( $fh ,$off,SEEK_SET)) { |
205 |
$rv = print( $fh $buf ); |
$rv = print( $fh $buf ); |
206 |
warn "## ", $pending->{$file}->{path}, " $off ",length( $buf ), "\n" if $debug; |
warn "## write ", $pending->{$file}->{path}, " $off ",length( $buf ), "\n" if $debug; |
207 |
} |
} |
208 |
$rv = -ENOSYS() unless $rv; |
$rv = -ENOSYS() unless $rv; |
209 |
|
close($fh); |
210 |
return length($buf); |
return length($buf); |
211 |
} |
} |
212 |
|
|
218 |
sub x_symlink { return symlink(shift,fixup(shift)) ? 0 : -$!; } |
sub x_symlink { return symlink(shift,fixup(shift)) ? 0 : -$!; } |
219 |
|
|
220 |
sub x_rename { |
sub x_rename { |
221 |
my ($old) = fixup(shift); |
my ($old,$new) = @_; |
222 |
my ($new) = fixup(shift); |
my $old_path = fixup($old); |
223 |
my ($err) = rename($old,$new) ? 0 : -ENOENT(); |
my $new_path = fixup($new); |
224 |
|
$new_path .= '.gz' if ( $old_path =~ m/\.gz$/ && $new_path !~ m/\.gz$/ ); |
225 |
|
|
226 |
|
my $err = rename($old_path,$new_path) ? 0 : -ENOENT(); |
227 |
|
warn "## rename( $old_path => $new_path ) = $err\n"; |
228 |
|
|
229 |
|
my $tmp = $mount->{tmp} . '/' . $old; |
230 |
|
if ( -e $tmp ) { |
231 |
|
my $new_tmp = $mount->{tmp} . '/' . $new; |
232 |
|
rename $tmp, $new_tmp || confess "can't rename $tmp -> $new_tmp : $!"; |
233 |
|
} |
234 |
|
|
235 |
|
if (defined( $pending->{$old} )) { |
236 |
|
$pending->{$new} = $pending->{$old}; |
237 |
|
|
238 |
|
my $path = $pending->{$old}->{path}; |
239 |
|
$path =~ s/\Q$old\E/$new/; |
240 |
|
$pending->{$new}->{path} = $path; |
241 |
|
|
242 |
|
delete( $pending->{$old} ); |
243 |
|
} |
244 |
|
|
245 |
return $err; |
return $err; |
246 |
} |
} |
247 |
sub x_link { return link(fixup(shift),fixup(shift)) ? 0 : -$! } |
sub x_link { return link(fixup(shift),fixup(shift)) ? 0 : -$! } |
265 |
return $err; |
return $err; |
266 |
} |
} |
267 |
|
|
268 |
sub x_truncate { return truncate(fixup(shift),shift) ? 0 : -$! ; } |
sub x_truncate { |
269 |
|
my ( $file,$size ) = @_; |
270 |
|
my $path = fixup($file); |
271 |
|
my $rv = truncate( $path, $size ) ? 0 : -$! ; |
272 |
|
if ( $path =~ m/\.gz$/ ) { |
273 |
|
my $no_gz = $path; |
274 |
|
$no_gz =~ s/\.gz$//; |
275 |
|
rename $path, $no_gz || confess "can't rename $path -> $no_gz: $!"; |
276 |
|
} |
277 |
|
warn "## truncate( $file $size ) $path [", -s $path, "]\n"; |
278 |
|
$pending->{$file}->{write}++; |
279 |
|
return $rv; |
280 |
|
} |
281 |
sub x_utime { return utime($_[1],$_[2],fixup($_[0])) ? 0:-$!; } |
sub x_utime { return utime($_[1],$_[2],fixup($_[0])) ? 0:-$!; } |
282 |
|
|
283 |
sub x_mkdir { my ($name, $perm) = @_; return 0 if mkdir(fixup($name),$perm); return -$!; } |
sub x_mkdir { my ($name, $perm) = @_; return 0 if mkdir(fixup($name),$perm); return -$!; } |
312 |
} |
} |
313 |
|
|
314 |
if ( $file =~ $skip_extensions_regex ) { |
if ( $file =~ $skip_extensions_regex ) { |
315 |
warn "release $file $mode -- uncompressed\n"; |
warn "release $file [",-s $path,"] skipped compression\n"; |
316 |
file_copy( '<', $path, '>', $dest ) if ( $path ne $dest ); |
file_copy( '<', $path, '>', $dest ) if ( $path ne $dest ); |
317 |
} elsif ( -s $path < $min_compress_size ) { |
} elsif ( -s $path < $min_compress_size ) { |
318 |
warn "release $file -- uncompressed, too small ", -s $path, " bytes\n"; |
warn "release $file [",-s $path,"] uncompressed, too small\n"; |
319 |
file_copy( '<', $path, '>', $dest ) if ( $path ne $dest ); |
file_copy( '<', $path, '>', $dest ) if ( $path ne $dest ); |
320 |
} else { |
} else { |
321 |
warn "release $file $mode -- compressing\n"; |
warn "release $file [",-s $path,"] compressing\n"; |
322 |
|
|
323 |
|
my $comp = $dest . '.gz'; |
324 |
|
file_copy( '<', $path, '>:gzip', $comp ); |
325 |
|
|
326 |
file_copy( '<', $path, '>:gzip', $dest . '.gz' ); |
my ( $size_path, $size_comp ) = ( -s $path, -s $comp ); |
327 |
|
|
328 |
# FIXME add timeout to remove uncompressed version? |
if ( $size_path <= $size_comp ) { |
329 |
unlink $path || warn "can't remove $path: $!"; |
warn ">>> $size_path <= $size_comp leaving uncompressed\n"; |
330 |
|
unlink $comp || warn "can't reamove: $comp: $!"; |
331 |
|
} else { |
332 |
|
warn ">>> compressed $size_path -> $size_comp ",int(($size_comp * 100) / $size_path),"%\n"; |
333 |
|
# FIXME add timeout to remove uncompressed version? |
334 |
|
unlink $path || warn "can't remove $path: $!"; |
335 |
|
} |
336 |
} |
} |
337 |
} else { |
} else { |
338 |
warn "release $file, but still used ", $pending->{$file}->{open} , " times, delaying compression\n"; |
warn "release $file, but still used ", $pending->{$file}->{open} , " times, delaying compression\n"; |
|
$pending->{$file}->{open}--; |
|
|
return 0; |
|
339 |
} |
} |
340 |
delete( $pending->{$file} ); |
$pending->{$file}->{open}--; |
341 |
|
if ( $pending->{$file}->{open} == 0 ) { |
342 |
|
warn "## cleanup pending $file [", -s fixup($file), "]\n" if $debug; |
343 |
|
delete( $pending->{$file} ); |
344 |
|
} |
345 |
return 0; |
return 0; |
346 |
} |
} |
347 |
|
|