45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
# Copyright 2018 gRPC authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""gRPC's APIs for TLS Session Resumption support"""
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from grpc._cython import cygrpc as _cygrpc
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def ssl_session_cache_lru(capacity):
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"""Creates an SSLSessionCache with LRU replacement policy
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Args:
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capacity: Size of the cache
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Returns:
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An SSLSessionCache with LRU replacement policy that can be passed as a value for
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the grpc.ssl_session_cache option to a grpc.Channel. SSL session caches are used
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to store session tickets, which clients can present to resume previous TLS sessions
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with a server.
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"""
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return SSLSessionCache(_cygrpc.SSLSessionCacheLRU(capacity))
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class SSLSessionCache(object):
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"""An encapsulation of a session cache used for TLS session resumption.
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Instances of this class can be passed to a Channel as values for the
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grpc.ssl_session_cache option
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"""
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def __init__(self, cache):
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self._cache = cache
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def __int__(self):
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return int(self._cache)
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