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31 lines
929 B
Go
31 lines
929 B
Go
// Copyright 2016 Michal Witkowski. All Rights Reserved.
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// See LICENSE for licensing terms.
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package grpc_middleware
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import (
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"context"
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"google.golang.org/grpc"
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)
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// WrappedServerStream is a thin wrapper around grpc.ServerStream that allows modifying context.
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type WrappedServerStream struct {
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grpc.ServerStream
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// WrappedContext is the wrapper's own Context. You can assign it.
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WrappedContext context.Context
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}
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// Context returns the wrapper's WrappedContext, overwriting the nested grpc.ServerStream.Context()
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func (w *WrappedServerStream) Context() context.Context {
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return w.WrappedContext
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}
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// WrapServerStream returns a ServerStream that has the ability to overwrite context.
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func WrapServerStream(stream grpc.ServerStream) *WrappedServerStream {
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if existing, ok := stream.(*WrappedServerStream); ok {
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return existing
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}
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return &WrappedServerStream{ServerStream: stream, WrappedContext: stream.Context()}
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}
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