4 |
use threads::shared; |
use threads::shared; |
5 |
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6 |
use Fuse; |
use Fuse; |
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use IO::File; |
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7 |
use POSIX qw(ENOENT ENOSYS EEXIST EPERM O_RDONLY O_RDWR O_APPEND O_CREAT); |
use POSIX qw(ENOENT ENOSYS EEXIST EPERM O_RDONLY O_RDWR O_APPEND O_CREAT); |
8 |
use Fcntl qw(S_ISBLK S_ISCHR S_ISFIFO SEEK_SET); |
use Fcntl qw(S_ISBLK S_ISCHR S_ISFIFO SEEK_SET); |
9 |
require 'syscall.ph'; # for SYS_mknod and SYS_lchown |
require 'syscall.ph'; # for SYS_mknod and SYS_lchown |
11 |
use File::Path; |
use File::Path; |
12 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
13 |
use Carp qw/confess/; |
use Carp qw/confess/; |
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use IO::File; |
15 |
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16 |
my $mount = { |
my $mount = { |
17 |
from => '/tmp/comp', |
from => '/tmp/comp', |
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 |
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26 |
# don't compress files smaller than this |
# don't compress files smaller than this |
27 |
my $min_compress_size = 256; |
my $min_compress_size = 512; |
28 |
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29 |
foreach my $dir ( keys %$mount ) { |
foreach my $dir ( keys %$mount ) { |
30 |
if ( ! -e $mount->{$dir} ) { |
if ( ! -e $mount->{$dir} ) { |
71 |
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72 |
sub unlink_all { |
sub unlink_all { |
73 |
my $file = shift; |
my $file = shift; |
74 |
foreach my $dir ( keys %$mount ) { |
warn "# unlink_all( $file )\n"; |
75 |
my $path = $mount->{$dir} . '/' . $file; |
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76 |
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my $path = fixup( $file ); |
77 |
map { |
unlink $path || return 0; |
78 |
my $path = $_; |
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79 |
if ( -e $path ) { |
my $tmp = $mount->{tmp} . '/' . $file; |
80 |
if ( unlink $path ) { |
unlink $tmp if ( -e $tmp ); |
81 |
warn "## unlink $path\n" if $debug; |
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} else { |
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warn "can't unlink $path: $!\n"; |
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return 0; |
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} |
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} |
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} [ $path, $path . '.gz' ]; |
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} |
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82 |
delete( $pending->{$file} ); |
delete( $pending->{$file} ); |
83 |
return 1; |
return 1; |
84 |
} |
} |
119 |
chmod $mode, $d_path || warn "chmod( $mode $d_path ) failed: $!\n"; |
chmod $mode, $d_path || warn "chmod( $mode $d_path ) failed: $!\n"; |
120 |
chown $uid,$gid,$d_path || warn "chown( $uid $gid $d_path ) failed: $!\n"; |
chown $uid,$gid,$d_path || warn "chown( $uid $gid $d_path ) failed: $!\n"; |
121 |
utime $atime,$mtime,$d_path || warn "utime( $atime $mtime $d_path ) failed: $!\n"; |
utime $atime,$mtime,$d_path || warn "utime( $atime $mtime $d_path ) failed: $!\n"; |
122 |
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123 |
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undef $d; |
124 |
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undef $s; |
125 |
} |
} |
126 |
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127 |
sub x_open { |
sub x_open { |
128 |
my ($file) = shift; |
my ($file) = shift; |
129 |
my ($mode) = shift; |
my ($mode) = shift; |
130 |
$pending->{$file}->{open}++; |
$pending->{$file}->{open}++; |
131 |
warn "# open( $file, $mode ) pending: ", $pending->{$file}->{open}, "\n"; |
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132 |
my $fh; |
my $mode_desc = { |
133 |
if ( $pending->{$file}->{open} == 1 ) { |
rdonly => $mode && O_RDONLY, |
134 |
my $path = fixup($file); |
rdwr => $mode && O_RDWR, |
135 |
my $tmp = $mount->{tmp} . '/' . $file; |
append => $mode && O_APPEND, |
136 |
warn ">>> open abs path: $path\n"; |
create => $mode && O_CREAT, |
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if ( -e $tmp ) { |
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$path = $tmp; |
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} elsif ( $path =~ m/\.gz$/ ) { |
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my $dest_path = $tmp; |
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$dest_path =~ s!/[^/]+$!!; #!vim-fix |
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mkpath $dest_path unless -e $dest_path; |
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file_copy( '<:gzip', $path, '>', $tmp ); |
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$path = $tmp; |
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} |
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return -$! unless sysopen($fh , $path, $mode); |
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$pending->{$file}->{fh} = $fh; |
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$pending->{$file}->{path} = $path; |
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} elsif ( ! defined( $pending->{$file}->{fh} ) ) { |
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confess "can't find fh for $file ", dump($pending); |
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137 |
}; |
}; |
138 |
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warn "# open( $file, $mode ) pending: ", $pending->{$file}->{open}, " mode: ", dump( $mode_desc ),"\n"; |
139 |
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my $fh; |
140 |
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141 |
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my $path = fixup($file); |
142 |
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my $tmp = $mount->{tmp} . '/' . $file; |
143 |
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if ( -e $tmp ) { |
144 |
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$path = $tmp; |
145 |
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} elsif ( $path =~ m/\.gz$/ ) { |
146 |
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my $dest_path = $tmp; |
147 |
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$dest_path =~ s!/[^/]+$!!; #!vim-fix |
148 |
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mkpath $dest_path unless -e $dest_path; |
149 |
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file_copy( '<:gzip', $path, '>', $tmp ); |
150 |
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$path = $tmp; |
151 |
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} |
152 |
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warn ">>> open abs path: $path ", -s $path, " bytes\n"; |
153 |
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return -$! unless sysopen($fh , $path, $mode); |
154 |
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155 |
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$pending->{$file}->{path} = $path; |
156 |
return 0; |
return 0; |
157 |
} |
} |
158 |
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160 |
my ($file,$bufsize,$off) = @_; |
my ($file,$bufsize,$off) = @_; |
161 |
my ($rv) = -ENOSYS(); |
my ($rv) = -ENOSYS(); |
162 |
my $path = fixup( $file ); |
my $path = fixup( $file ); |
163 |
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164 |
return -ENOENT() unless -e $path; |
return -ENOENT() unless -e $path; |
165 |
my ($fsize) = -s $path; |
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166 |
my $fh = $pending->{$file}->{fh} || confess "no fh? ", dump( $pending ); |
my $fh = new IO::File; |
167 |
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return -ENOSYS() unless open($fh,$pending->{$file}->{path}); |
168 |
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169 |
if(seek($fh,$off,SEEK_SET)) { |
if(seek($fh,$off,SEEK_SET)) { |
170 |
read($fh,$rv,$bufsize); |
read($fh,$rv,$bufsize); |
171 |
} |
} |
172 |
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173 |
return $rv; |
return $rv; |
174 |
} |
} |
175 |
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176 |
sub x_write { |
sub x_write { |
177 |
my ($file,$buf,$off) = @_; |
my ($file,$buf,$off) = @_; |
178 |
$pending->{$file}->{write}++; |
$pending->{$file}->{write}++; |
179 |
my ($rv); |
my $rv; |
180 |
my $path = fixup($file); |
my $path = fixup($file); |
181 |
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182 |
return -ENOENT() unless -e $path; |
return -ENOENT() unless -e $path; |
183 |
my ($fsize) = -s $path; |
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184 |
my $fh = $pending->{$file}->{fh}; |
my $fh = new IO::File; |
185 |
return -ENOSYS() unless $fh; |
return -ENOSYS() unless open($fh,'+<',$pending->{$file}->{path}); |
186 |
if($rv = seek( $fh ,$off,SEEK_SET)) { |
if($rv = seek( $fh ,$off,SEEK_SET)) { |
187 |
$rv = print( $fh $buf ); |
$rv = print( $fh $buf ); |
188 |
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warn "## ", $pending->{$file}->{path}, " $off ",length( $buf ), "\n" if $debug; |
189 |
} |
} |
190 |
$rv = -ENOSYS() unless $rv; |
$rv = -ENOSYS() unless $rv; |
191 |
return length($buf); |
return length($buf); |
249 |
} elsif ( ! defined( $pending->{$file}->{write} ) ) { |
} elsif ( ! defined( $pending->{$file}->{write} ) ) { |
250 |
warn "release $file, not written into\n"; |
warn "release $file, not written into\n"; |
251 |
} elsif ( defined( $pending->{$file}->{open} ) && $pending->{$file}->{open} == 1 ) { |
} elsif ( defined( $pending->{$file}->{open} ) && $pending->{$file}->{open} == 1 ) { |
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close( $pending->{$file}->{fh} ) || warn "can't close $file: $!"; |
|
252 |
my $path = $pending->{$file}->{path} || confess "no path for $file ? ", dump( $pending ); |
my $path = $pending->{$file}->{path} || confess "no path for $file ? ", dump( $pending ); |
253 |
my $dest = fixup( $file ); |
my $dest = fixup( $file ); |
254 |
|
|
255 |
# cleanup old compressed copy |
# cleanup old compressed copy |
256 |
if ( $dest =~ /\.gz$/ ) { |
if ( $dest =~ /\.gz$/ ) { |
257 |
warn "## remove old $dest\n"; |
warn "## remove old $dest\n"; |
258 |
unlink_all( $file ) || confess "can't remove $dest: $!"; |
unlink $dest || confess "can't remove $dest: $!"; |
259 |
$dest =~ s/\.gz$//; |
$dest =~ s/\.gz$//; |
260 |
} |
} |
261 |
|
|
272 |
file_copy( '<', $path, '>:gzip', $dest . '.gz' ); |
file_copy( '<', $path, '>:gzip', $dest . '.gz' ); |
273 |
|
|
274 |
# FIXME add timeout to remove uncompressed version? |
# FIXME add timeout to remove uncompressed version? |
275 |
unlink_all( $file ) || warn "can't remove $path: $!"; |
unlink $path || warn "can't remove $path: $!"; |
276 |
} |
} |
277 |
} else { |
} else { |
278 |
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"; |