Class: PacketProtocols::Ipv4

Inherits:

BinData::Record

• Object
• BinData::Record
• PacketProtocols::Ipv4

Defined in:

lib/packet-protocols/ipv4.rb

Constant Summary

PROTOCOLS =

{ icmp: 1, tcp: 6, udp: 17 }

Instance Method Summary

• #header_length_in_bytes ⇒ Object

  virtual assert: :checksum_valid?.

• #length ⇒ Object
• #options_length_in_bytes ⇒ Object

Instance Method Details

#header_length_in_bytes ⇒ Object

virtual assert: :checksum_valid?

# File 'lib/packet-protocols/ipv4.rb', line 36

def header_length_in_bytes
  header_length * 4
end

#length ⇒ Object

# File 'lib/packet-protocols/ipv4.rb', line 44

def length
  total_length
end

#options_length_in_bytes ⇒ Object

# File 'lib/packet-protocols/ipv4.rb', line 40

def options_length_in_bytes
  header_length_in_bytes - options.rel_offset
end