Created
March 11, 2022 15:55
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| type wrappedStream struct { | |
| grpc.ClientStream | |
| } | |
| func newWrappedStream(s grpc.ClientStream) grpc.ClientStream { | |
| return &wrappedStream{s} | |
| } | |
| func (w *wrappedStream) RecvMsg(m interface{}) error { | |
| ..... | |
| return w.ClientStream.RecvMsg(m) | |
| } | |
| func (w *wrappedStream) SendMsg(m interface{}) error { | |
| ..... | |
| return w.ClientStream.SendMsg(m) | |
| } | |
| func exampleClientStreamInterceptor(ctx context.Context, desc *grpc.StreamDesc, | |
| cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) | |
| (grpc.ClientStream, error) { | |
| /* | |
| some logic before client stream | |
| */ | |
| s, err := streamer(ctx, desc, cc, method, opts...) | |
| return newWrappedStream(s), nil | |
| } | |
| func main() { | |
| ... | |
| // Setting up a gRPC connection | |
| conn, err := grpc.Dial(address, grpc.WithInsecure(),grpc.WithStreamInterceptor(exampleClientStreamInterceptor)) | |
| ... | |
| } |
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