Class: Roscpp::Logger

Inherits:
ROS::Message
  • Object
show all
Defined in:
lib/roscpp/Logger.rb

Constant Summary collapse

@@struct_L = 
::ROS::Struct.new("L")
@@slot_types = 
['string','string']

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ Logger

Constructor. You can set the default values using keyword operators.

Parameters:

  • args (Hash) (defaults to: {}) —

    keyword for initializing values

Options Hash (args):

  • :name (string) —

    initialize value

  • :level (string) —

    initialize value



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# File 'lib/roscpp/Logger.rb', line 37

def initialize(args={})
  # message fields cannot be None, assign default values for those that are
  if args[:name]
    @name = args[:name]
  else
    @name = ''
  end
  if args[:level]
    @level = args[:level]
  else
    @level = ''
  end
end

Instance Attribute Details

#level ⇒ Object

Returns the value of attribute level.



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# File 'lib/roscpp/Logger.rb', line 26

def level
  @level
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/roscpp/Logger.rb', line 26

def name
  @name
end

Class Method Details

.md5sum ⇒ Object 



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# File 'lib/roscpp/Logger.rb', line 8

def self.md5sum
  "a6069a2ff40db7bd32143dd66e1f408e"
end

.type ⇒ Object 



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# File 'lib/roscpp/Logger.rb', line 12

def self.type
  "roscpp/Logger"
end

Instance Method Details

#_get_types ⇒ String

internal API method

Returns:

  • (String) —

    Message type string.



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# File 'lib/roscpp/Logger.rb', line 53

def _get_types
  @slot_types
end

#deserialize(str) ⇒ Object

unpack serialized message in str into this message instance

@param [String] str: byte array of serialized message



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# File 'lib/roscpp/Logger.rb', line 75

def deserialize(str)

  begin
    end_point = 0
    start = end_point
    end_point += 4
    (length,) = @@struct_L.unpack(str[start..(end_point-1)])
    start = end_point
    end_point += length
    @name = str[start..(end_point-1)]
    start = end_point
    end_point += 4
    (length,) = @@struct_L.unpack(str[start..(end_point-1)])
    start = end_point
    end_point += length
    @level = str[start..(end_point-1)]
    return self
  rescue => exception
    raise "message DeserializationError: #{exception}" #most likely buffer underfill
  end
end

#has_header? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/roscpp/Logger.rb', line 16

def has_header?
  false
end

#message_definition ⇒ Object 



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# File 'lib/roscpp/Logger.rb', line 20

def message_definition
  "string name
string level

"
end

#serialize(buff) ⇒ Object

serialize message into buffer

Parameters:

  • buff (IO) —

    buffer



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# File 'lib/roscpp/Logger.rb', line 59

def serialize(buff)
  begin
    _x = @name
    length = _x.length
    buff.write([length, _x].pack("La#{length}"))
    _x = @level
    length = _x.length
    buff.write([length, _x].pack("La#{length}"))
  rescue => exception
    raise "some erro in serialize: #{exception}"

  end
end