Class: OFParser

Inherits:
Object
  • Object
show all
Defined in:
lib/messages/parser.rb

Class Method Summary collapse

Class Method Details

.read(io) ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
# File 'lib/messages/parser.rb', line 8

def self.read(io)
  io = StringIO.new(io) if io.is_a?(String)

  header = io.readpartial(OFMessage::HEADER_LENGTH)

  type       = OFMessage::TYPES[header[1].unpack('C')[0].to_i]
  klass_name = 'OF' + type.to_s.split('_').map(&:capitalize).join
  klass      = Object.const_get(klass_name)
  length     = header[2..3].unpack('S>')[0].to_i

  body = io.readpartial(length - OFMessage::HEADER_LENGTH)

  klass.read(header + body)
end