Class: MQTT::SN::Packet::Willtopic

Inherits:
MQTT::SN::Packet show all
Defined in:
lib/mqtt/sn/packet.rb

Constant Summary collapse

DEFAULTS = 
{
  qos: 0,
  retain: false,
  topic_name: nil
}.freeze

Instance Attribute Summary collapse

Attributes inherited from MQTT::SN::Packet

#clean_session, #duplicate, #qos, #request_will, #retain, #topic_id_type

Instance Method Summary collapse

Methods inherited from MQTT::SN::Packet

#initialize, parse, #to_s, #type_id, #update_attributes

Constructor Details

This class inherits a constructor from MQTT::SN::Packet

Instance Attribute Details

#topic_name ⇒ Object

Returns the value of attribute topic_name.



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# File 'lib/mqtt/sn/packet.rb', line 296

def topic_name
  @topic_name
end

Instance Method Details

#encode_body ⇒ Object 



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# File 'lib/mqtt/sn/packet.rb', line 304

def encode_body
  if topic_name.nil? || topic_name.empty?
    ''
  else
    [encode_flags, topic_name].pack('Ca*')
  end
end

#parse_body(buffer) ⇒ Object 



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# File 'lib/mqtt/sn/packet.rb', line 312

def parse_body(buffer)
  if buffer.length > 1
    flags, self.topic_name = buffer.unpack('Ca*')
  else
    flags, _ignore = buffer.unpack('C')
    self.topic_name = nil
  end
  parse_flags(flags)
end