99 lines
3.3 KiB
Python
99 lines
3.3 KiB
Python
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# Copyright 2016 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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"""Shared implementation."""
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import logging
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import six
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import grpc
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from grpc._cython import cygrpc
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_LOGGER = logging.getLogger(__name__)
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CYGRPC_CONNECTIVITY_STATE_TO_CHANNEL_CONNECTIVITY = {
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cygrpc.ConnectivityState.idle:
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grpc.ChannelConnectivity.IDLE,
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cygrpc.ConnectivityState.connecting:
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grpc.ChannelConnectivity.CONNECTING,
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cygrpc.ConnectivityState.ready:
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grpc.ChannelConnectivity.READY,
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cygrpc.ConnectivityState.transient_failure:
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grpc.ChannelConnectivity.TRANSIENT_FAILURE,
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cygrpc.ConnectivityState.shutdown:
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grpc.ChannelConnectivity.SHUTDOWN,
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}
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CYGRPC_STATUS_CODE_TO_STATUS_CODE = {
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cygrpc.StatusCode.ok: grpc.StatusCode.OK,
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cygrpc.StatusCode.cancelled: grpc.StatusCode.CANCELLED,
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cygrpc.StatusCode.unknown: grpc.StatusCode.UNKNOWN,
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cygrpc.StatusCode.invalid_argument: grpc.StatusCode.INVALID_ARGUMENT,
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cygrpc.StatusCode.deadline_exceeded: grpc.StatusCode.DEADLINE_EXCEEDED,
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cygrpc.StatusCode.not_found: grpc.StatusCode.NOT_FOUND,
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cygrpc.StatusCode.already_exists: grpc.StatusCode.ALREADY_EXISTS,
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cygrpc.StatusCode.permission_denied: grpc.StatusCode.PERMISSION_DENIED,
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cygrpc.StatusCode.unauthenticated: grpc.StatusCode.UNAUTHENTICATED,
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cygrpc.StatusCode.resource_exhausted: grpc.StatusCode.RESOURCE_EXHAUSTED,
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cygrpc.StatusCode.failed_precondition: grpc.StatusCode.FAILED_PRECONDITION,
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cygrpc.StatusCode.aborted: grpc.StatusCode.ABORTED,
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cygrpc.StatusCode.out_of_range: grpc.StatusCode.OUT_OF_RANGE,
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cygrpc.StatusCode.unimplemented: grpc.StatusCode.UNIMPLEMENTED,
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cygrpc.StatusCode.internal: grpc.StatusCode.INTERNAL,
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cygrpc.StatusCode.unavailable: grpc.StatusCode.UNAVAILABLE,
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cygrpc.StatusCode.data_loss: grpc.StatusCode.DATA_LOSS,
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}
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STATUS_CODE_TO_CYGRPC_STATUS_CODE = {
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grpc_code: cygrpc_code
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for cygrpc_code, grpc_code in six.iteritems(
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CYGRPC_STATUS_CODE_TO_STATUS_CODE)
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}
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def encode(s):
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if isinstance(s, bytes):
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return s
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else:
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return s.encode('utf8')
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def decode(b):
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if isinstance(b, bytes):
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return b.decode('utf-8', 'replace')
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return b
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def _transform(message, transformer, exception_message):
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if transformer is None:
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return message
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else:
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try:
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return transformer(message)
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except Exception: # pylint: disable=broad-except
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_LOGGER.exception(exception_message)
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return None
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def serialize(message, serializer):
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return _transform(message, serializer, 'Exception serializing message!')
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def deserialize(serialized_message, deserializer):
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return _transform(serialized_message, deserializer,
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'Exception deserializing message!')
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def fully_qualified_method(group, method):
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return '/{}/{}'.format(group, method)
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