Class: Innodb::Page::SysIbufHeader

Inherits:
Innodb::Page show all
Defined in:
lib/innodb/page/sys_ibuf_header.rb

Constant Summary

Constants inherited from Innodb::Page

PAGE_TYPE, PAGE_TYPE_BY_VALUE, SPECIALIZED_CLASSES

Instance Attribute Summary

Attributes inherited from Innodb::Page

#space

Instance Method Summary collapse

Methods inherited from Innodb::Page

#calculate_checksum, #checksum, #corrupt?, #cursor, #fil_header, handle, #initialize, #inspect, #lsn, maybe_undefined, #name, #next, #offset, parse, #pos_fil_header, #pos_fil_trailer, #pos_page_body, #prev, #size, #size_fil_header, #size_fil_trailer, #type

Constructor Details

This class inherits a constructor from Innodb::Page

Instance Method Details

#dump ⇒ Object 



39
40
41
42
43
44
 
# File 'lib/innodb/page/sys_ibuf_header.rb', line 39

def dump
  super

  puts "ibuf header:"
  pp ibuf_header
end

#each_region {|{ :offset => pos_ibuf_header, :length => size_ibuf_header, :name => :ibuf_header, :info => "Insert Buffer Header", }| ... } ⇒ Object

Yields:



22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
# File 'lib/innodb/page/sys_ibuf_header.rb', line 22

def each_region
  unless block_given?
    return enum_for(:each_region)
  end

  super do |region|
    yield region
  end

  yield({
    :offset => pos_ibuf_header,
    :length => size_ibuf_header,
    :name => :ibuf_header,
    :info => "Insert Buffer Header",
  })
end

#ibuf_header ⇒ Object 



12
13
14
15
16
17
18
19
20
 
# File 'lib/innodb/page/sys_ibuf_header.rb', line 12

def ibuf_header
  cursor(pos_ibuf_header).name("ibuf_header") do |c|
    {
      :fseg => c.name("fseg") {
        Innodb::FsegEntry.get_inode(space, c)
      }
    }
  end
end

#pos_ibuf_header ⇒ Object 



4
5
6
 
# File 'lib/innodb/page/sys_ibuf_header.rb', line 4

def pos_ibuf_header
  pos_page_body
end

#size_ibuf_header ⇒ Object 



8
9
10
 
# File 'lib/innodb/page/sys_ibuf_header.rb', line 8

def size_ibuf_header
  Innodb::FsegEntry::SIZE
end