Source code for spinnman.messages.sdp.sdp_message
from .sdp_header import SDPHeader
[docs]class SDPMessage(object):
""" Wraps up an SDP message with a header and optional data.
"""
def __init__(self, sdp_header, data=None, offset=0):
"""
:param sdp_header: The header of the message
:type sdp_header:\
:py:class:`spinnman.messages.sdp.sdp_header.SDPHeader`
:param data: The data of the SDP packet, or None if no data
:type data: str
:param offset: The offset where the valid data starts
:type offset: int
:raise None: No known exceptions are thrown
"""
self._sdp_header = sdp_header
self._data = data
self._offset = offset
@property
def bytestring(self):
""" The bytestring of the message
:return: The bytestring of the message
:rtype: str
"""
if self._data is not None:
return self._sdp_header.bytestring + self._data[self._offset:]
return self._sdp_header.bytestring
[docs] @staticmethod
def from_bytestring(data, offset):
sdp_header = SDPHeader.from_bytestring(data, offset)
return SDPMessage(sdp_header, data, offset + 8)
@property
def sdp_header(self):
""" The header of the packet
:return: An SDP header
:rtype: :py:class:`spinnman.messages.sdp.sdp_header.SDPHeader`
"""
return self._sdp_header
@property
def data(self):
""" The data in the packet
:rtype: str
"""
return self._data
@property
def offset(self):
""" The offset where the valid data starts
:rtype: int
"""
return self._offset