Class: MQTT::SN::Packet::Connack

Inherits:
Packet
  • Object
show all
Defined in:
lib/mqtt/sn/packet.rb

Constant Summary

Constants inherited from Packet

Packet::ATTR_DEFAULTS

Instance Attribute Summary collapse

Attributes inherited from Packet

#body_length, #flags, #id, #version

Instance Method Summary collapse

Methods inherited from Packet

create_from_header, #dup, #initialize, #inspect, #message_id, #message_id=, parse, parse_header, read, read_byte, #to_s, #type_id, #type_name, #update_attributes, #validate_flags

Constructor Details

This class inherits a constructor from MQTT::Packet

Instance Attribute Details

#return_code ⇒ Object

Returns the value of attribute return_code.



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# File 'lib/mqtt/sn/packet.rb', line 262

def return_code
  @return_code
end

Instance Method Details

#encode_body ⇒ Object 



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# File 'lib/mqtt/sn/packet.rb', line 280

def encode_body
  raise "return_code must be an Integer" unless return_code.is_a?(Integer)

  [return_code].pack("C")
end

#parse_body(buffer) ⇒ Object 



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# File 'lib/mqtt/sn/packet.rb', line 286

def parse_body(buffer)
  self.return_code = buffer.unpack1("C")
end

#return_msg ⇒ Object

Get a string message corresponding to a return code



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# File 'lib/mqtt/sn/packet.rb', line 265

def return_msg
  case return_code
  when 0x00
    "Accepted"
  when 0x01
    "Rejected: congestion"
  when 0x02
    "Rejected: invalid topic ID"
  when 0x03
    "Rejected: not supported"
  else
    "Rejected: error code #{return_code}"
  end
end