Class: Racket::L4::IGMPv2

Inherits:

RacketPart

• Object
• BitStruct
• RacketPart
• Racket::L4::IGMPv2

Defined in:

lib/racket/l4/igmpv2.rb

Overview

RFC2236 (www.faqs.org/rfcs/rfc2236.html)

Instance Attribute Summary

Attributes inherited from RacketPart

#autofix

Instance Method Summary

• #checksum! ⇒ Object

  Set the checksum of this IGMPv2 message.

• #checksum? ⇒ Boolean

  Is the checksum of this IGMPv2 message correct.

• #fix! ⇒ Object

  Do whatever ‘fixing’ is neccessary in preparation for being sent.

Methods inherited from RacketPart

#autofix?, #initialize, #pretty

Constructor Details

This class inherits a constructor from Racket::RacketPart

Instance Method Details

#checksum! ⇒ Object

Set the checksum of this IGMPv2 message

# File 'lib/racket/l4/igmpv2.rb', line 51

def checksum!
  self.checksum = compute_checksum
end

#checksum? ⇒ Boolean

Is the checksum of this IGMPv2 message correct

Returns:

• (Boolean)

# File 'lib/racket/l4/igmpv2.rb', line 46

def checksum?
  self.checksum == 0 || (self.checksum == compute_checksum)
end

#fix! ⇒ Object

Do whatever ‘fixing’ is neccessary in preparation for being sent

# File 'lib/racket/l4/igmpv2.rb', line 57

def fix!
  checksum!
end