Unable to get Client Service to work

[Herbert Falk]

I have the following *.proto file:

package CredentialExchange;

option go_package = "gitlab.com/openfmb/psm/ops/protobuf/go-/CredentialExchange";

option java_package = "pcitek.CredentialExchange";

option java_multiple_files = true;

option csharp_namespace = "pcitek.CredentialExchange";

import "uml.proto";

// The greeting service definition.

service CredExchangeSend {

  // Sends a Credential Exchange message

  rpc Cred (Management) returns (Management) ;

}

// MISSING DOCUMENTATION!!!

message sendCredentialsRequest

{

    // MISSING DOCUMENTATION!!!

    bytes encrypted = 1 [(uml.option_required_field) = true, (uml.option_multiplicity_min) = 1];

}

// MISSING DOCUMENTATION!!!

message Management

{

    option (uml.option_openfmb_profile) = true;

    // Version of the redundancy protocol

    uint32 version = 1 [(uml.option_required_field) = true, (uml.option_multiplicity_min) = 1];

    // Is a number that can be used to correlate request/responses

    uint32 messageID = 2 [(uml.option_required_field) = true, (uml.option_multiplicity_min) = 1];

    // Date and Time at which the message was started to be encoded.

    string utcTimeOfMessage = 3 [(uml.option_required_field) = true, (uml.option_multiplicity_min) = 1];

    // MISSING DOCUMENTATION!!!

    sendCredentialsRequest sendCredentialsRequest = 4;

}

I am trying to stage a Client Service for CredExchangeSend.

My current service declaration is:

        public  class CredentialExchangeService

        {

            public Task<pcitek.CredentialExchange.Management> rxd(

                pcitek.CredentialExchange.Management request)

            {

                PCItek.Redundancy.CredentialExInt.decode(request);

                return (null);

            }

        }

For the actual send, I need to pass in the actual Management class filled in.

This is what I am trying to do:

namespace pcitek.CredentialExchange

{

    public class sendCredentials

    {

        public async Task Send(pcitek.CredentialExchange.Management info)

        {

            string address = Redundancy.getRedundancyPeerAddress();

            using var channel = GrpcChannel.ForAddress(address+":5001");

            //

            var client = new pcitek.CredentialExchange.sendCredentials(channel)

            

        }

    }

}

The yellow'd statement fails because sendCredentials is not known.  Please note I also have: mapped a receiver service to: endpoints.MapGrpcService<PCItek.Redundancy.services.CredentialExchangeService>();

Any help would be appreciated.

[Marc Gravell]

I'm a little confused here...

Normally, assuming that this is using the Google implementation, you would have, in your generated code:

- a generated concrete client proxy

- a generated abstract server stub

 

The client code would "new" the client proxy (the yellow code). Your server code would declare a type that subclasses the abstract stub, and register *that*. You wouldn't need to declare your own client/server core types. Have you perhaps simply not generated the right client/server stubs?

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[herbf...@gmail.com]

Marc,

 

I was just trying to make the following work: https://docs.microsoft.com/en-us/aspnet/core/tutorials/grpc/grpc-start?view=aspnetcore-5.0&tabs=visual-studio

 

See the GreeterClient section.

 

I will eventually have 3 high-level message types.  Both will be client/server in my ASP.Net Core implementation.

 

If you a pointer to how to do a concrete client for the class provided, that would be wonderful.

[herbf...@gmail.com]

One last thing, there are encoders/decoders that were generated (maybe I didn’t use the correct / for protoc).  Attached is the c# file that was generated.

 

From: Marc Gravell <marc.g...@gmail.com>
Sent: Sunday, February 21, 2021 2:40 PM
To: Herbert Falk <herbf...@gmail.com>
Cc: Protocol Buffers <prot...@googlegroups.com>
Subject: Re: [protobuf] Unable to get Client Service to work

 

I'm a little confused here...