Question about fallover setup in grpc

[Carfield Yim]

Hi all

I've a server process develop using grpc, I would like to have a cool DR which receive request but don't stream response until that config option set to true

The implementation option I know is that in the service class, I handle that option and then don't run the StreamObserver.onNext(msg) until that config option set to true. However, if I doing that, I need to have that block of code for all my service classes. 

If there any better implementation approach?

Thanks.

[Carl Mastrangelo]

Can you show us a code snippet?  I cannot understand what problem you are describing.

[Eric Anderson]

I think you can do this with a server interceptor. Simply delay calling next until the configuration is available.

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[Carfield Yim]

Thanks a lot, thinks that what I need, so sorry I haven't get time to prepare the code snippet.

On Friday, August 11, 2017 at 3:16:59 AM UTC+8, Eric Anderson wrote:

I think you can do this with a server interceptor. Simply delay calling next until the configuration is available.

On Tue, Aug 1, 2017 at 2:22 AM, Carfield Yim <carf...@gmail.com> wrote:

Hi all

I've a server process develop using grpc, I would like to have a cool DR which receive request but don't stream response until that config option set to true

The implementation option I know is that in the service class, I handle that option and then don't run the StreamObserver.onNext(msg) until that config option set to true. However, if I doing that, I need to have that block of code for all my service classes. 

If there any better implementation approach?

Thanks.

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