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
|
module Vmstat
# Gathered disk statistics snapshot.
# @attr [Symbol] type
# The file system name e. g. *hfs*.
# @attr [String] origin
# The location of the device e.g. */dev/disk0*.
# @attr [String] mount
# The mount point of the device e.g. */mnt/store*.
# @attr [Fixnum] block_size
# Size of file system blocks in bytes.
# @attr [Fixnum] free_blocks
# Free blocks in the file system.
# @attr [Fixnum] available_blocks
# Available blocks in the file system.
# @attr [Fixnum] total_blocks
# Total number of blocks in the file system.
class Disk < Struct.new(:type, :origin, :mount, :block_size,
:free_blocks, :available_blocks, :total_blocks)
# Calculates the number of free bytes for the file system.
# @return [Fixnum] number of free bytes
def free_bytes
free_blocks * block_size
end
# Calculates the number of available bytes for the file system.
# @return [Fixnum] number of available bytes
def available_bytes
available_blocks * block_size
end
# Calculates the number of used bytes for the file system.
# @return [Fixnum] number of used bytes
def used_bytes
(total_blocks - free_blocks) * block_size
end
# Calculates the number of total bytes for the file system. This is the max.
# number of bytes possible on the device.
# @return [Fixnum] number of total bytes
def total_bytes
total_blocks * block_size
end
end
end
|
