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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
This module contains some constants, used internally throughout the API.
"""
import ssl
__all__ = [
'PROTOCOLS', 'MAX_LONG', 'MIN_LONG', 'MAX_INT', 'MIN_INT',
'PROTOCOL_BYTE_ORDER', 'PROTOCOL_STRING_ENCODING',
'PROTOCOL_CHAR_ENCODING', 'SSL_DEFAULT_VERSION', 'SSL_DEFAULT_CIPHERS',
'FNV1_OFFSET_BASIS', 'FNV1_PRIME',
'IGNITE_DEFAULT_HOST', 'IGNITE_DEFAULT_PORT',
'RHF_ERROR', 'RHF_TOPOLOGY_CHANGED', 'AFFINITY_DELAY', 'AFFINITY_RETRIES',
'RECONNECT_BACKOFF_SEQUENCE',
]
PROTOCOLS = {
(1, 7, 0),
(1, 6, 0),
(1, 5, 0),
(1, 4, 0),
(1, 3, 0),
(1, 2, 0),
}
PROTOCOL_VERSION_MAJOR = 1
PROTOCOL_VERSION_MINOR = 7
PROTOCOL_VERSION_PATCH = 1
MAX_LONG = 9223372036854775807
MIN_LONG = -9223372036854775808
MAX_INT = 2147483647
MIN_INT = -2147483648
PROTOCOL_BYTE_ORDER = 'little'
PROTOCOL_STRING_ENCODING = 'utf-8'
PROTOCOL_CHAR_ENCODING = 'utf-16le'
SSL_DEFAULT_VERSION = ssl.PROTOCOL_TLSv1_2
SSL_DEFAULT_CIPHERS = ssl._DEFAULT_CIPHERS
FNV1_OFFSET_BASIS = 0x811c9dc5
FNV1_PRIME = 0x01000193
IGNITE_DEFAULT_HOST = 'localhost'
IGNITE_DEFAULT_PORT = 10800
# response header flags
RHF_ERROR = 1
RHF_TOPOLOGY_CHANGED = 2
AFFINITY_DELAY = 0.01
AFFINITY_RETRIES = 32
RECONNECT_BACKOFF_SEQUENCE = [0, 1, 1, 2, 3, 5, 8, 13]