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342d282780
add dependent kube-storage/replication package to the vendor. update grpc to latest release v1.35.0. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
41 lines
1.2 KiB
Go
41 lines
1.2 KiB
Go
/*
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*
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* Copyright 2020 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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*
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*/
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package grpcutil
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import (
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"context"
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"google.golang.org/grpc/metadata"
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)
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type mdExtraKey struct{}
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// WithExtraMetadata creates a new context with incoming md attached.
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func WithExtraMetadata(ctx context.Context, md metadata.MD) context.Context {
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return context.WithValue(ctx, mdExtraKey{}, md)
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}
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// ExtraMetadata returns the incoming metadata in ctx if it exists. The
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// returned MD should not be modified. Writing to it may cause races.
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// Modification should be made to copies of the returned MD.
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func ExtraMetadata(ctx context.Context) (md metadata.MD, ok bool) {
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md, ok = ctx.Value(mdExtraKey{}).(metadata.MD)
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return
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}
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