Class: Ext4::GroupDescriptorEntry

Inherits:
Object
  • Object
show all
Defined in:
lib/fs/ext4/group_descriptor_entry.rb

Overview

//////////////////////////////////////////////////////////////////////////// // Class.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(buf) ⇒ GroupDescriptorEntry

Returns a new instance of GroupDescriptorEntry.



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# File 'lib/fs/ext4/group_descriptor_entry.rb', line 28

def initialize(buf)
  raise "Ext4::GroupDescriptorEntry.initialize: Nil buffer" if buf.nil?

  # Decode the group descriptor table entry.
  @gde = GDE.decode(buf)
end

Instance Attribute Details

#blockAllocBmp ⇒ Object

Returns the value of attribute blockAllocBmp.



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# File 'lib/fs/ext4/group_descriptor_entry.rb', line 26

def blockAllocBmp
  @blockAllocBmp
end

#inodeAllocBmp ⇒ Object

Returns the value of attribute inodeAllocBmp.



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# File 'lib/fs/ext4/group_descriptor_entry.rb', line 26

def inodeAllocBmp
  @inodeAllocBmp
end

Instance Method Details

#blockBmp ⇒ Object

//////////////////////////////////////////////////////////////////////////// // Class helpers & accessors.



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# File 'lib/fs/ext4/group_descriptor_entry.rb', line 38

def blockBmp
  @gde['blk_bmp']
end

#dump ⇒ Object

Dump object.



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# File 'lib/fs/ext4/group_descriptor_entry.rb', line 58

def dump
  out = "\#<#{self.class}:0x#{'%08x' % object_id}>\n"
  out += "Block bitmap      : 0x#{'%08x' % @gde['blk_bmp']}\n"
  out += "Inode bitmap      : 0x#{'%08x' % @gde['inode_bmp']}\n"
  out += "Inode table       : 0x#{'%08x' % @gde['inode_table']}\n"
  out += "Unallocated blocks: 0x#{'%04x' % @gde['unalloc_blks']}\n"
  out += "Unallocated inodes: 0x#{'%04x' % @gde['unalloc_inodes']}\n"
  out += "Num directories   : 0x#{'%04x' % @gde['num_dirs']}\n"
  out
end

#inodeBmp ⇒ Object 



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# File 'lib/fs/ext4/group_descriptor_entry.rb', line 42

def inodeBmp
  @gde['inode_bmp']
end

#inodeTable ⇒ Object 



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# File 'lib/fs/ext4/group_descriptor_entry.rb', line 46

def inodeTable
  @gde['inode_table']
end

#numDirs ⇒ Object 



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# File 'lib/fs/ext4/group_descriptor_entry.rb', line 50

def numDirs
  @gde['num_dirs']
end