def test_protocol_downgrade_test(self):
lower = ProtocolVersion.get_lower_supported(ProtocolVersion.DSE_V1)
self.assertEqual(ProtocolVersion.V4, lower)
lower = ProtocolVersion.get_lower_supported(ProtocolVersion.V4)
self.assertEqual(ProtocolVersion.V3, lower)
lower = ProtocolVersion.get_lower_supported(ProtocolVersion.V3)
self.assertEqual(0, lower)
self.assertTrue(
ProtocolVersion.uses_error_code_map(ProtocolVersion.DSE_V1))
self.assertTrue(
ProtocolVersion.uses_int_query_flags(ProtocolVersion.DSE_V1))
self.assertFalse(
ProtocolVersion.uses_error_code_map(ProtocolVersion.V4))
self.assertFalse(
ProtocolVersion.uses_int_query_flags(ProtocolVersion.V4))
def recv_error_info(f, protocol_version):
consistency = read_consistency_level(f)
received_responses = read_int(f)
required_responses = read_int(f)
if ProtocolVersion.uses_error_code_map(protocol_version):
error_code_map = read_error_code_map(f)
failures = len(error_code_map)
else:
error_code_map = None
failures = read_int(f)
write_type = WriteType.name_to_value[read_string(f)]
return {
'consistency': consistency,
'received_responses': received_responses,
'required_responses': required_responses,
'failures': failures,
'error_code_map': error_code_map,
'write_type': write_type
}
def recv_error_info(f, protocol_version):
consistency = read_consistency_level(f)
received_responses = read_int(f)
required_responses = read_int(f)
if ProtocolVersion.uses_error_code_map(protocol_version):
error_code_map = read_error_code_map(f)
failures = len(error_code_map)
else:
error_code_map = None
failures = read_int(f)
data_retrieved = bool(read_byte(f))
return {
'consistency': consistency,
'received_responses': received_responses,
'required_responses': required_responses,
'failures': failures,
'error_code_map': error_code_map,
'data_retrieved': data_retrieved
}