Class: DNS::Zone::RR::NSEC3

Inherits:
Record
  • Object
show all
Defined in:
lib/dns/zone/rr/nsec3.rb

Overview

‘NSEC3` resource record.

RFC 5155

Constant Summary collapse

REGEX_NSEC3_RDATA = 
%r{
  (?<algorithm>\d+)\s*
  (?<flags>\d+)\s*
  (?<iterations>\d+)\s*
  (?<salt>\S+)\s*
  (?<next_hashed_owner_name>\S+)\s*
  (?<rrset_types>#{DNS::Zone::RR::REGEX_STRING})\s*
}mx

Instance Attribute Summary collapse

Attributes inherited from Record

#klass, #label, #ttl

Instance Method Summary collapse

Methods inherited from Record

#general_prefix, #initialize, #load_general_and_get_rdata, #type

Constructor Details

This class inherits a constructor from DNS::Zone::RR::Record

Instance Attribute Details

#algorithm ⇒ Object

Returns the value of attribute algorithm.



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# File 'lib/dns/zone/rr/nsec3.rb', line 15

def algorithm
  @algorithm
end

#flags ⇒ Object

Returns the value of attribute flags.



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# File 'lib/dns/zone/rr/nsec3.rb', line 15

def flags
  @flags
end

#iterations ⇒ Object

Returns the value of attribute iterations.



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# File 'lib/dns/zone/rr/nsec3.rb', line 15

def iterations
  @iterations
end

#next_hashed_owner_name ⇒ Object

Returns the value of attribute next_hashed_owner_name.



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# File 'lib/dns/zone/rr/nsec3.rb', line 15

def next_hashed_owner_name
  @next_hashed_owner_name
end

#rrset_types ⇒ Object

Returns the value of attribute rrset_types.



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# File 'lib/dns/zone/rr/nsec3.rb', line 15

def rrset_types
  @rrset_types
end

#salt ⇒ Object

Returns the value of attribute salt.



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# File 'lib/dns/zone/rr/nsec3.rb', line 15

def salt
  @salt
end

Instance Method Details

#dump ⇒ Object 



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# File 'lib/dns/zone/rr/nsec3.rb', line 18

def dump
  parts = general_prefix
  parts << algorithm
  parts << flags
  parts << iterations
  parts << salt
  parts << next_hashed_owner_name
  parts << rrset_types
  parts.join(' ')
end

#load(string, options = {}) ⇒ Object 



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# File 'lib/dns/zone/rr/nsec3.rb', line 29

def load(string, options = {})
  rdata = load_general_and_get_rdata(string, options)
  return nil unless rdata

  captures = rdata.match(REGEX_NSEC3_RDATA)
  return nil unless captures

  @algorithm = captures[:algorithm].to_i
  @flags = captures[:flags].to_i
  @iterations = captures[:iterations].to_i
  @salt = captures[:salt]
  @next_hashed_owner_name = captures[:next_hashed_owner_name]
  @rrset_types = captures[:rrset_types]
  self
end