Class: Rosgraph_msgs::Log

Inherits:
ROS::Message
  • Object
show all
Defined in:
lib/rosgraph_msgs/Log.rb

Constant Summary collapse

DEBUG =

Pseudo-constants

1
INFO =
2
WARN =
4
ERROR =
8
FATAL =
16
@@struct_L3 =
::ROS::Struct.new("L3")
@@struct_c =
::ROS::Struct.new("c")
@@struct_L =
::ROS::Struct.new("L")
@@slot_types =
['Header','byte','string','string','string','string','uint32','string[]']

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ Log

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

Parameters:

  • args (Hash) (defaults to: {})

    keyword for initializing values

Options Hash (args):

  • :header (Header)

    initialize value

  • :level (byte)

    initialize value

  • :name (string)

    initialize value

  • :msg (string)

    initialize value

  • :file (string)

    initialize value

  • :function (string)

    initialize value

  • :line (uint32)

    initialize value

  • :topics (string[])

    initialize value



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# File 'lib/rosgraph_msgs/Log.rb', line 88

def initialize(args={})
  # message fields cannot be None, assign default values for those that are
  if args[:header]
    @header = args[:header]
  else
    @header = Std_msgs::Header.new
  end
  if args[:level]
    @level = args[:level]
  else
    @level = 0
  end
  if args[:name]
    @name = args[:name]
  else
    @name = ''
  end
  if args[:msg]
    @msg = args[:msg]
  else
    @msg = ''
  end
  if args[:file]
    @file = args[:file]
  else
    @file = ''
  end
  if args[:function]
    @function = args[:function]
  else
    @function = ''
  end
  if args[:line]
    @line = args[:line]
  else
    @line = 0
  end
  if args[:topics]
    @topics = args[:topics]
  else
    @topics = []
  end
end

Instance Attribute Details

#fileObject

Returns the value of attribute file.



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# File 'lib/rosgraph_msgs/Log.rb', line 69

def file
  @file
end

#functionObject

Returns the value of attribute function.



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# File 'lib/rosgraph_msgs/Log.rb', line 69

def function
  @function
end

#headerObject

Returns the value of attribute header.



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# File 'lib/rosgraph_msgs/Log.rb', line 69

def header
  @header
end

#levelObject

Returns the value of attribute level.



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# File 'lib/rosgraph_msgs/Log.rb', line 69

def level
  @level
end

#lineObject

Returns the value of attribute line.



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# File 'lib/rosgraph_msgs/Log.rb', line 69

def line
  @line
end

#msgObject

Returns the value of attribute msg.



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# File 'lib/rosgraph_msgs/Log.rb', line 69

def msg
  @msg
end

#nameObject

Returns the value of attribute name.



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# File 'lib/rosgraph_msgs/Log.rb', line 69

def name
  @name
end

#topicsObject

Returns the value of attribute topics.



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# File 'lib/rosgraph_msgs/Log.rb', line 69

def topics
  @topics
end

Class Method Details

.md5sumObject



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# File 'lib/rosgraph_msgs/Log.rb', line 9

def self.md5sum
  "acffd30cd6b6de30f120938c17c593fb"
end

.typeObject



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# File 'lib/rosgraph_msgs/Log.rb', line 13

def self.type
  "rosgraph_msgs/Log"
end

Instance Method Details

#_get_typesString

internal API method

Returns:

  • (String)

    Message type string.



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# File 'lib/rosgraph_msgs/Log.rb', line 134

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/rosgraph_msgs/Log.rb', line 174

def deserialize(str)

  begin
    if @header == nil
      @header = Std_msgs::Header.new
    end
    end_point = 0
    start = end_point
    end_point += ROS::Struct::calc_size('L3')
    (@header.seq, @header.stamp.secs, @header.stamp.nsecs,) = @@struct_L3.unpack(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
    @header.frame_id = str[start..(end_point-1)]
    start = end_point
    end_point += ROS::Struct::calc_size('c')
    (@level,) = @@struct_c.unpack(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
    @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
    @msg = 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
    @file = 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
    @function = str[start..(end_point-1)]
    start = end_point
    end_point += ROS::Struct::calc_size('L')
    (@line,) = @@struct_L.unpack(str[start..(end_point-1)])
    start = end_point
    end_point += 4
    (length,) = @@struct_L.unpack(str[start..(end_point-1)])
    @topics = []
    length.times do
      start = end_point
      end_point += 4
      (length,) = @@struct_L.unpack(str[start..(end_point-1)])
      start = end_point
      end_point += length
      val1 = str[start..(end_point-1)]
      @topics.push(val1)
    end
    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/rosgraph_msgs/Log.rb', line 17

def has_header?
  true
end

#message_definitionObject



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# File 'lib/rosgraph_msgs/Log.rb', line 21

def message_definition
  "##
## Severity level constants
##
byte DEBUG=1 #debug level
byte INFO=2  #general level
byte WARN=4  #warning level
byte ERROR=8 #error level
byte FATAL=16 #fatal/critical level
##
## Fields
##
Header header
byte level
string name # name of the node
string msg # message 
string file # file the message came from
string function # function the message came from
uint32 line # line the message came from
string[] topics # topic names that the node publishes

================================================================================
MSG: std_msgs/Header
# Standard metadata for higher-level stamped data types.
# This is generally used to communicate timestamped data 
# in a particular coordinate frame.
# 
# sequence ID: consecutively increasing ID 
uint32 seq
#Two-integer timestamp that is expressed as:
# * stamp.secs: seconds (stamp_secs) since epoch
# * stamp.nsecs: nanoseconds since stamp_secs
# time-handling sugar is provided by the client library
time stamp
#Frame this data is associated with
# 0: no frame
# 1: global frame
string frame_id

"
end

#serialize(buff) ⇒ Object

serialize message into buffer

Parameters:

  • buff (IO)

    buffer



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# File 'lib/rosgraph_msgs/Log.rb', line 140

def serialize(buff)
  begin
    buff.write(@@struct_L3.pack(@header.seq, @header.stamp.secs, @header.stamp.nsecs))
    _x = @header.frame_id
    length = _x.length
    buff.write([length, _x].pack("La#{length}"))
    buff.write(@@struct_c.pack(@level))
    _x = @name
    length = _x.length
    buff.write([length, _x].pack("La#{length}"))
    _x = @msg
    length = _x.length
    buff.write([length, _x].pack("La#{length}"))
    _x = @file
    length = _x.length
    buff.write([length, _x].pack("La#{length}"))
    _x = @function
    length = _x.length
    buff.write([length, _x].pack("La#{length}"))
    buff.write(@@struct_L.pack(@line))
    length = @topics.length
    buff.write(@@struct_L.pack(length))
    for val1 in @topics
      length = val1.length
      buff.write([length, val1].pack("La#{length}"))
    end
  rescue => exception
    raise "some erro in serialize: #{exception}"

  end
end