Class: Roscpp_tutorials::TwoIntsRequest

Inherits:
ROS::Message
  • Object
show all
Defined in:
lib/roscpp_tutorials/TwoInts.rb

Constant Summary collapse

@@struct_q2 = 
::ROS::Struct.new("q2")
@@struct_L = 
::ROS::Struct.new("L")
@@slot_types = 
['int64','int64']

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ TwoIntsRequest

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

Parameters:

  • args (Hash) (defaults to: {}) —

    keyword for initializing values

Options Hash (args):

  • :a (int64) —

    initialize value

  • :b (int64) —

    initialize value



38
39
40
41
42
43
44
45
46
47
48
49
50
 
# File 'lib/roscpp_tutorials/TwoInts.rb', line 38

def initialize(args={})
  # message fields cannot be None, assign default values for those that are
  if args[:a]
    @a = args[:a]
  else
    @a = 0
  end
  if args[:b]
    @b = args[:b]
  else
    @b = 0
  end
end

Instance Attribute Details

#a ⇒ Object

Returns the value of attribute a.



26
27
28
 
# File 'lib/roscpp_tutorials/TwoInts.rb', line 26

def a
  @a
end

#b ⇒ Object

Returns the value of attribute b.



26
27
28
 
# File 'lib/roscpp_tutorials/TwoInts.rb', line 26

def b
  @b
end

Class Method Details

.md5sum ⇒ Object 



8
9
10
 
# File 'lib/roscpp_tutorials/TwoInts.rb', line 8

def self.md5sum
  "36d09b846be0b371c5f190354dd3153e"
end

.type ⇒ Object 



12
13
14
 
# File 'lib/roscpp_tutorials/TwoInts.rb', line 12

def self.type
  "roscpp_tutorials/TwoIntsRequest"
end

Instance Method Details

#_get_types ⇒ String

internal API method

Returns:

  • (String) —

    Message type string.



54
55
56
 
# File 'lib/roscpp_tutorials/TwoInts.rb', line 54

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



71
72
73
74
75
76
77
78
79
80
81
82
 
# File 'lib/roscpp_tutorials/TwoInts.rb', line 71

def deserialize(str)

  begin
    end_point = 0
    start = end_point
    end_point += ROS::Struct::calc_size('q2')
    (@a, @b,) = @@struct_q2.unpack(str[start..(end_point-1)])
    return self
  rescue => exception
    raise "message DeserializationError: #{exception}" #most likely buffer underfill
  end
end

#has_header? ⇒ Boolean

Returns:

  • (Boolean) 


16
17
18
 
# File 'lib/roscpp_tutorials/TwoInts.rb', line 16

def has_header?
  false
end

#message_definition ⇒ Object 



20
21
22
23
24
25
 
# File 'lib/roscpp_tutorials/TwoInts.rb', line 20

def message_definition
  "int64 a
int64 b

"
end

#serialize(buff) ⇒ Object

serialize message into buffer

Parameters:

  • buff (IO) —

    buffer



60
61
62
63
64
65
66
67
 
# File 'lib/roscpp_tutorials/TwoInts.rb', line 60

def serialize(buff)
  begin
    buff.write(@@struct_q2.pack(@a, @b))
  rescue => exception
    raise "some erro in serialize: #{exception}"

  end
end