def getData(self):
    addr = self['SourceIP'].split('.')
    addr = [int(x) for x in addr]
    addr = ((((((addr[0] << 8) + addr[1]) << 8) + addr[2]) << 8) + addr[3])
    self['_SourceIP'] = addr
    return Structure.getData(self)
def getData(self):
    addr = self['SourceIP'].split('.')
    addr = [int(x) for x in addr]
    addr = ((((((addr[0] << 8) + addr[1]) << 8) + addr[2]) << 8) + addr[3])
    self['_SourceIP'] = addr
    return Structure.getData(self)