1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
require "rubygems"
require 'fusefs'
include FuseFS
root = MetaDir.new
# if (ARGV.size != 1)
# puts "Usage: #{$0} <directory>"
# exit
# end
dirname = ARGV.shift
unless File.directory?(dirname)
puts "Usage: #{$0} <directory>"
exit
end
class DirLink
def initialize(dir)
File.directory?(dir) or raise ArgumentError, "DirLink.initialize expects a valid directory!"
@base = dir
end
def directory?(path)
File.directory?(File.join(@base,path))
end
def file?(path)
File.file?(File.join(@base,path))
end
def contents(path)
fn = File.join(@base,path)
Dir.entries(fn).map { |file|
file = file.sub(/^#{fn}\/?/,'')
if ['..','.'].include?(file)
nil
else
file
end
}.compact.sort
end
def read_file(path)
fn = File.join(@base,path)
if File.file?(fn)
IO.read(fn)
else
'No such file'
end
end
end
class Counter
def initialize
@counter = 0
end
def to_s
@counter += 1
@counter.to_s + "\n"
end
def size
@counter.to_s.size
end
end
class Randwords
def initialize(*ary)
@ary = ary.flatten
end
def to_s
@ary[rand(@ary.size)].to_s + "\n"
end
def size
@size ||= @ary.map{|v| v.size}.max
end
end
root.write_to('/hello',"Hello, World!\n")
progress = '.'
root.write_to('/progress',progress)
Thread.new do
20.times do
sleep 5
progress << '.'
end
end
root.write_to('/counter',Counter.new)
root.write_to('/color',Randwords.new('red','blue','green','purple','yellow','bistre','burnt sienna','jade'))
root.write_to('/animal',Randwords.new('duck','dog','cat','duck billed platypus','silly fella'))
root.mkdir("/#{ENV['USER']}",DirLink.new(ENV['HOME']))
# Set the root FuseFS
FuseFS.set_root(root)
FuseFS.mount_under(dirname, 'nolocalcaches', *ARGV)
FuseFS.run # This doesn't return until we're unmounted.
|
