$search

_TopicInfo.py

Go to the documentation of this file.

"""autogenerated by genmsg_py from TopicInfo.msg. Do not edit."""
import roslib.message
import struct


class TopicInfo(roslib.message.Message):
  _md5sum = "63aa5e8f1bdd6f35c69fe1a1b9d28e9f"
  _type = "rosserial_msgs/TopicInfo"
  _has_header = False #flag to mark the presence of a Header object
  _full_text = """# special topic_ids
uint16 ID_PUBLISHER=0
uint16 ID_SUBSCRIBER=1
uint16 ID_SERVICE_SERVER=2
uint16 ID_SERVICE_CLIENT=4
uint16 ID_PARAMETER_REQUEST=6
uint16 ID_LOG=7
uint16 ID_TIME=10

# The endpoint ID for this topic
uint16 topic_id

string topic_name
string message_type

# MD5 checksum for this message type
string md5sum

# size of the buffer message must fit in
int32 buffer_size

"""
  # Pseudo-constants
  ID_PUBLISHER = 0
  ID_SUBSCRIBER = 1
  ID_SERVICE_SERVER = 2
  ID_SERVICE_CLIENT = 4
  ID_PARAMETER_REQUEST = 6
  ID_LOG = 7
  ID_TIME = 10

  __slots__ = ['topic_id','topic_name','message_type','md5sum','buffer_size']
  _slot_types = ['uint16','string','string','string','int32']

  def __init__(self, *args, **kwds):
    """
    Constructor. Any message fields that are implicitly/explicitly
    set to None will be assigned a default value. The recommend
    use is keyword arguments as this is more robust to future message
    changes.  You cannot mix in-order arguments and keyword arguments.
    
    The available fields are:
       topic_id,topic_name,message_type,md5sum,buffer_size
    
    @param args: complete set of field values, in .msg order
    @param kwds: use keyword arguments corresponding to message field names
    to set specific fields. 
    """
    if args or kwds:
      super(TopicInfo, self).__init__(*args, **kwds)
      #message fields cannot be None, assign default values for those that are
      if self.topic_id is None:
        self.topic_id = 0
      if self.topic_name is None:
        self.topic_name = ''
      if self.message_type is None:
        self.message_type = ''
      if self.md5sum is None:
        self.md5sum = ''
      if self.buffer_size is None:
        self.buffer_size = 0
    else:
      self.topic_id = 0
      self.topic_name = ''
      self.message_type = ''
      self.md5sum = ''
      self.buffer_size = 0

  def _get_types(self):
    """
    internal API method
    """
    return self._slot_types

  def serialize(self, buff):
    """
    serialize message into buffer
    @param buff: buffer
    @type  buff: StringIO
    """
    try:
      buff.write(_struct_H.pack(self.topic_id))
      _x = self.topic_name
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self.message_type
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self.md5sum
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      buff.write(_struct_i.pack(self.buffer_size))
    except struct.error as se: self._check_types(se)
    except TypeError as te: self._check_types(te)

  def deserialize(self, str):
    """
    unpack serialized message in str into this message instance
    @param str: byte array of serialized message
    @type  str: str
    """
    try:
      end = 0
      start = end
      end += 2
      (self.topic_id,) = _struct_H.unpack(str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.topic_name = str[start:end]
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.message_type = str[start:end]
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.md5sum = str[start:end]
      start = end
      end += 4
      (self.buffer_size,) = _struct_i.unpack(str[start:end])
      return self
    except struct.error as e:
      raise roslib.message.DeserializationError(e) #most likely buffer underfill


  def serialize_numpy(self, buff, numpy):
    """
    serialize message with numpy array types into buffer
    @param buff: buffer
    @type  buff: StringIO
    @param numpy: numpy python module
    @type  numpy module
    """
    try:
      buff.write(_struct_H.pack(self.topic_id))
      _x = self.topic_name
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self.message_type
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self.md5sum
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      buff.write(_struct_i.pack(self.buffer_size))
    except struct.error as se: self._check_types(se)
    except TypeError as te: self._check_types(te)

  def deserialize_numpy(self, str, numpy):
    """
    unpack serialized message in str into this message instance using numpy for array types
    @param str: byte array of serialized message
    @type  str: str
    @param numpy: numpy python module
    @type  numpy: module
    """
    try:
      end = 0
      start = end
      end += 2
      (self.topic_id,) = _struct_H.unpack(str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.topic_name = str[start:end]
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.message_type = str[start:end]
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.md5sum = str[start:end]
      start = end
      end += 4
      (self.buffer_size,) = _struct_i.unpack(str[start:end])
      return self
    except struct.error as e:
      raise roslib.message.DeserializationError(e) #most likely buffer underfill

_struct_I = roslib.message.struct_I
_struct_i = struct.Struct("<i")
_struct_H = struct.Struct("<H")

---

rosserial_msgs
Author(s): Michael Ferguson
autogenerated on Sat Mar 2 13:25:49 2013