Class: MiniMqtt::ConnackPacket

Inherits:
Packet
  • Object
show all
Defined in:
lib/mini_mqtt/connack_packet.rb

Constant Summary collapse

ERRORS = 
{ 1 => "unacceptable protocol version",
2 => "identifier rejected",
3 => "server unavailable",
4 => "bad username or password",
5 => "not authorized" }

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Packet

#decode, #encode, #flags, get_packet_class, packet_type_id

Methods included from BinHelper

#flag_byte, #mqtt_utf8_encode, #read_mqtt_encoded_string, #read_ushort, #uchar, #ushort

Instance Attribute Details

#return_code ⇒ Object (readonly)

Returns the value of attribute return_code.



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# File 'lib/mini_mqtt/connack_packet.rb', line 3

def return_code
  @return_code
end

Instance Method Details

#accepted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mini_mqtt/connack_packet.rb', line 22

def accepted?
  @return_code == 0
end

#error_message ⇒ Object 



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# File 'lib/mini_mqtt/connack_packet.rb', line 26

def error_message
  ERRORS[@return_code]
end

#read_variable_header ⇒ Object 



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# File 'lib/mini_mqtt/connack_packet.rb', line 13

def read_variable_header
  @session_present = @stream.readbyte & 0x01
  @return_code = @stream.readbyte
end

#session_present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mini_mqtt/connack_packet.rb', line 18

def session_present?
  @session_present == 1
end