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From Chun-Hung Hsiao <chhs...@apache.org>
Subject Re: Review Request 67154: Replaced `RpcResult<Response>` with `Try<Response, StatusError>`.
Date Wed, 16 May 2018 21:16:27 GMT


> On May 16, 2018, 7:45 p.m., Zhitao Li wrote:
> > 3rdparty/libprocess/include/process/grpc.hpp
> > Lines 125-126 (patched)
> > <https://reviews.apache.org/r/67154/diff/1/?file=2024140#file2024140line128>
> >
> >     Do we need to call out what case the `Future` itself can be failed?

Currently the future won't fail.


- Chun-Hung


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https://reviews.apache.org/r/67154/#review203271
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On May 16, 2018, 7:20 p.m., Chun-Hung Hsiao wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/67154/
> -----------------------------------------------------------
> 
> (Updated May 16, 2018, 7:20 p.m.)
> 
> 
> Review request for mesos, Benjamin Bannier, Benjamin Mahler, Jie Yu, and Zhitao Li.
> 
> 
> Bugs: MESOS-8924
>     https://issues.apache.org/jira/browse/MESOS-8924
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> The `process::grpc::client::Runtime::call` method currently returns a
> `RpcResult<Response>`, which contains both a `::grpc::Status` object
> and the resulting response protobuf. However, if the `::grpc::Status`
> represents a non-OK status, the gRPC library does not guarantee that
> the response protobuf is valid. This patch replaces `RpcResult` with
> `Try` to provide better type safety.
> 
> 
> Diffs
> -----
> 
>   3rdparty/libprocess/include/process/grpc.hpp 321a46e19c69eafb24012bcef68bb8b0cc6aa436

>   3rdparty/libprocess/src/tests/grpc_tests.cpp 38cd6c61b54518a1019bb11a3551be13026c3f0d

> 
> 
> Diff: https://reviews.apache.org/r/67154/diff/1/
> 
> 
> Testing
> -------
> 
> make check in libprocess
> 
> NOTE: Mesos cannot be built with this patch standalone. The tests are done later in the
chain.
> 
> 
> Thanks,
> 
> Chun-Hung Hsiao
> 
>


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