Class: Resolv::DNS::Resource::Generic

Inherits:
Resource
  • Object
show all
Defined in:
lib/resolv.rb

Overview

A generic resource abstract class.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Generic

Creates a new generic resource.



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# File 'lib/resolv.rb', line 2361

def initialize(data)
  @data = data
end

Instance Attribute Details

#data ⇒ Object (readonly)

Data for this generic resource.



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# File 'lib/resolv.rb', line 2368

def data
  @data
end

Class Method Details

.create(type_value, class_value) ⇒ Object

:nodoc:



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# File 'lib/resolv.rb', line 2393

def self.create(type_value, class_value) # :nodoc:
  c = Class.new(Generic)
  c.const_set(:TypeValue, type_value)
  c.const_set(:ClassValue, class_value)
  # Not registered in a constant or in ClassHash. get_class creates a
  # class for every unknown (type, class) pair, so registering them
  # permanently would let a malicious response exhaust memory.
  return c
end

.decode_rdata(msg) ⇒ Object

:nodoc:



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# File 'lib/resolv.rb', line 2374

def self.decode_rdata(msg) # :nodoc:
  return self.new(msg.get_bytes)
end

.type_class_equal?(klass, other) ⇒ Boolean

create makes a fresh class for each decoded resource, so the type and class values have to be compared instead of the class itself.

Returns:

  • (Boolean) 


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# File 'lib/resolv.rb', line 2380

def self.type_class_equal?(klass, other) # :nodoc:
  return true if klass.equal?(other)
  Generic > klass && Generic > other &&
    klass::TypeValue == other::TypeValue &&
    klass::ClassValue == other::ClassValue
end

Instance Method Details

#==(other) ⇒ Object

:nodoc:



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# File 'lib/resolv.rb', line 2387

def ==(other) # :nodoc:
  return other.is_a?(Generic) &&
         Generic.type_class_equal?(self.class, other.class) &&
         @data == other.data
end

#encode_rdata(msg) ⇒ Object

:nodoc:



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# File 'lib/resolv.rb', line 2370

def encode_rdata(msg) # :nodoc:
  msg.put_bytes(data)
end