gRPC C API

[xmx]

Hello,
I would like to write a basic gRPC client/server implementation in pure C for testing purpose.
Is there any documentation or example on how to use the C API ?

Thanks in advance !

[Craig Tiller]

As a warning: our C layer is quite low level and misses many of the conveniences of our higher level languages (particularly when it comes to method invocation and protobuf serialization). If these are important, I'd recommend our C++ library.

That said, there are test suites located in test/core/** that will show some basic usage. The API itself is documented in include/grpc/grpc.h (and it's siblings).

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[wattgo...@gmail.com]

Thanks for your answer,
I will start with the test suite :)
Is there any plan to have a higher level C API ?

[Craig Tiller]

It's something that's certainly interesting for us, but it's not something we've had the bandwidth to tackle properly yet.

To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/c7b6660a-30c6-4b99-85e4-77bc1ade788f%40googlegroups.com.

[Rolf Sommerhalder]

Hello,

On Monday, July 20, 2015 at 6:57:35 PM UTC+2, Craig Tiller wrote:

It's something that's certainly interesting for us, but it's not something we've had the bandwidth to tackle properly yet.

Was there any progress on plain old, pure C API support in gPRC since summer 2015?

Googler Sameer Ahmani had enumerated "C" in bold and at first position in his nice gRPC presentation: "Ten languages: C, Java, Go, C++, ..."

 https://talks.golang.org/2015/gotham-grpc.slide#6

 https://www.youtube.com/watch?v=vTIyz2QfExc

For a Proof of Concept that involves a legacy server library that is written in C, gRPC API C would probably be a much better fit for the server side than having to wrap it in C++ or Go API...

Thanks!

[ajhai]

On Sunday, March 5, 2017 at 1:00:46 AM UTC-8, Rolf Sommerhalder wrote:

Hello,

On Monday, July 20, 2015 at 6:57:35 PM UTC+2, Craig Tiller wrote:

It's something that's certainly interesting for us, but it's not something we've had the bandwidth to tackle properly yet.

Was there any progress on plain old, pure C API support in gPRC since summer 2015?

Not from gRPC team, but there is https://github.com/juniper/grpc-c which aims to provide a high level C API. Still in the works though. Should have this in beta in a month or two.

Thanks,

Ajay

[Anirudh Kasturi]

Just a quick approach. I had my API written in C++.  Then went ahead and wrote C wrapper functions for the C++ functions so that my C code can call them.  I created static libraries with the C++ object files and the wrapper .cc files' object files and included them in my C make file. Was good to go. Works perfectly.

[sanke...@gmail.com]

I am working on something similar. However being completely unfamiliar in the territory, I was wondering if you would have any material that I can refer to.

[yonggang chang]

Which approach did you choose?