Class: Resolv::DNS::SvcParams

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

Overview

SvcParams for service binding RRs. [RFC9460]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = []) ⇒ SvcParams

Create a list of SvcParams with the given initial content.

params has to be an enumerable of SvcParams. If its content has SvcParams with the duplicate key, the one appears last takes precedence.



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# File 'lib/resolv.rb', line 1729

def initialize(params = [])
  @params = {}

  params.each do |param|
    add param
  end
end

Class Method Details

.decode(msg) ⇒ Object

:nodoc:



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# File 'lib/resolv.rb', line 1789

def self.decode(msg) # :nodoc:
  params = msg.get_list do
    key, = msg.get_unpack('n')
    msg.get_length16 do
      SvcParam::ClassHash[key].decode(msg)
    end
  end

  return self.new(params)
end

Instance Method Details

#[](key) ⇒ Object

Get SvcParam for the given key in this list.



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# File 'lib/resolv.rb', line 1740

def [](key)
  @params[canonical_key(key)]
end

#add(param) ⇒ Object

Add the SvcParam param to this list, overwriting the existing one with the same key.



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# File 'lib/resolv.rb', line 1761

def add(param)
  @params[param.class.key_number] = param
end

#count ⇒ Object

Get the number of SvcParams in this list.



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# File 'lib/resolv.rb', line 1747

def count
  @params.count
end

#delete(key) ⇒ Object

Remove the SvcParam with the given key and return it.



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# File 'lib/resolv.rb', line 1768

def delete(key)
  @params.delete(canonical_key(key))
end

#each(&block) ⇒ Object

Enumerate the SvcParams in this list.



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# File 'lib/resolv.rb', line 1775

def each(&block)
  return enum_for(:each) unless block
  @params.each_value(&block)
end

#empty? ⇒ Boolean

Get whether this list is empty.

Returns:

  • (Boolean) 


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# File 'lib/resolv.rb', line 1754

def empty?
  @params.empty?
end

#encode(msg) ⇒ Object

:nodoc:



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# File 'lib/resolv.rb', line 1780

def encode(msg) # :nodoc:
  @params.keys.sort.each do |key|
    msg.put_pack('n', key)
    msg.put_length16 do
      @params.fetch(key).encode(msg)
    end
  end
end