I did not get the chance to finish the investigation.  I did however configure a grpc server to change its serialization to json at one point and had some js on web page (not a webassembly module) talking to it.

On 2/7/19 9:57 AM, [email protected] wrote:
Hi,
I was wondering if anyone managed to get anywhere with this?
I'm looking into utilising gRPC from within a Webassembly C++ module.

Cheers
Russell

On Wednesday, March 14, 2018 at 8:43:12 PM UTC, Wenbo Zhu wrote:



    On Wed, Mar 14, 2018 at 12:56 PM, Matthew Avery
    <[email protected] <javascript:>> wrote:

        I was able to compile grpc to asm.js using emscripten and run
        without errors, but I think you are correct, the client was
        not able to make a connection from the browser to the grpc
        server.  I'm not sure what the path forward is yet.  I am
        going to experiment with a c++ socket and see if webassembly
        will use websockets.  I saw a post on stackoverflow
        
<https://stackoverflow.com/questions/44637000/how-to-call-from-webassembly-websocket-api>
        that suggested this is the case

    I would guess websocket calls are bridged over JS calls ..(for all
    the security reasons)



        On Wednesday, March 14, 2018 at 3:45:47 PM UTC-4, Wenbo Zhu
        wrote:

            I worked on grpc/grpc-web, and I don't believe you are
            able to do any native networking I/O from the browser, but
            if you have any pointer to suggest otherwise, happy to
            have a look and assess the feasibility.


            On Tuesday, March 13, 2018 at 6:25:53 AM UTC-7, Matthew
            Avery wrote:

                I did get grpc and protobuf  compiles to WASM but it
                is not working yet, even after enabling
                SharedArrayBuffer on my browser. I'm getting a type
                exception on the first call to Atomics.store() that is
                trying to allocate memory for pthread support.

                On Friday, March 9, 2018 at 11:16:28 AM UTC-5, Matthew
                Avery wrote:

                    I just started looking at this today.  Any
                    progress on your end?

                    On Friday, January 19, 2018 at 6:03:04 AM UTC-5,
                    [email protected] wrote:

                        Hi,
                        I'm trying to compile grpc with Emscripten
                        <http://kripken.github.io/emscripten-site/index.html>
                        to WebAssembly
                        <https://developer.mozilla.org/en-US/docs/WebAssembly>
                        - trying to get a C++-based grpc client
                        working in the browser.

                        Does anyone know if getting this working is
                        even feasible and has anyone else tried it?
                        I'm having issues compiling (mostly Protobuf)
                        which I think I'll be able to solve, but I'd
                        like to know if the effort is worth it.

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