5 use Fuse qw(fuse_get_context);
6 use POSIX qw(ENOENT EISDIR EINVAL);
15 cont => "File 'a'.\n",
21 cont => "This is file 'b'.\n",
37 $file = '.' unless length($file);
42 my ($file) = filename_fixup(shift);
44 $file = '.' unless length($file);
45 return -ENOENT() unless exists($files{$file});
46 my ($size) = exists($files{$file}{cont}) ? length($files{$file}{cont}) : 0;
47 $size = $files{$file}{size} if exists $files{$file}{size};
48 my ($modes) = ($files{$file}{type}<<9) + $files{$file}{mode};
49 my ($dev, $ino, $rdev, $blocks, $gid, $uid, $nlink, $blksize) = (0,0,0,1,0,0,1,1024);
50 my ($atime, $ctime, $mtime);
51 $atime = $ctime = $mtime = $files{$file}{ctime};
52 # 2 possible types of return values:
53 #return -ENOENT(); # or any other error you care to
54 #print(join(",",($dev,$ino,$modes,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks)),"\n");
55 return ($dev,$ino,$modes,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks);
59 my ($path,$offset) = @_;
60 print "readdir $path $offset\n";
62 return $a[$offset], 1 + $offset, $offset < $#a ? 0 : -ENOENT();
66 # VFS sanity check; it keeps all the necessary state, not much to do here.
67 my ($file) = filename_fixup(shift);
68 print("open called\n");
69 return -ENOENT() unless exists($files{$file});
70 return -EISDIR() if $files{$file}{type} & 0040;
76 # return an error numeric, or binary/text string. (note: 0 means EOF, "0" will
77 # give a byte (ascii "0") to the reading program)
78 my ($file) = filename_fixup(shift);
80 return -ENOENT() unless exists($files{$file});
81 if(!exists($files{$file}{cont})) {
82 return -EINVAL() if $off > 0;
83 my $context = fuse_get_context();
84 return sprintf("pid=0x%08x uid=0x%08x gid=0x%08x\n",@$context{'pid','uid','gid'});
86 return -EINVAL() if $off > length($files{$file}{cont});
87 return 0 if $off == length($files{$file}{cont});
88 return substr($files{$file}{cont},$off,$buf);
91 sub e_statfs { return 255, 1, 1, 1, 1, 2 }
93 # If you run the script directly, it will run fusermount, which will in turn
94 # re-run this script. Hence the funky semantics.
95 my ($mountpoint) = "";
96 $mountpoint = shift(@ARGV) if @ARGV;
98 mountpoint=>$mountpoint,
99 getattr=>"main::e_getattr",
100 # getdir =>"main::e_getdir",
101 readdir=>"main::e_readdir",
102 open =>"main::e_open",
103 statfs =>"main::e_statfs",
104 read =>"main::e_read",