.Net Core微服务rpc框架GRPC通信实际运用

Build Action => Protobuf compiler

gRpc Stub Classes => Server only

syntax = "proto3";

option csharp_namespace = "gRPCApiDemo.Protos";

package Demo;

service MyMath{
    rpc MathAdd (AddRequest) returns (AddRespones) {}
}

message AddRequest{
    int32 a=1;
    int32 b=2;
}

message AddRespones{
    int32 a=1;
}

using Grpc.Core;
using gRPCApiDemo.Protos;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace gRPCApiDemo.Grpc
{
    public class GrpcServiceMath : MyMath.MyMathBase
    {
        public override Task<AddRespones> MathAdd(AddRequest request, ServerCallContext context)
        {
            var respones = new AddRespones
            {
                A = request.A + request.B
            };
            return Task.FromResult(respones);
        }
    }
}

　app.UseHttpsRedirection();

app.UseEndpoints(endpoints =>
{
    endpoints.MapGrpcService<MathServices>();
});

services.AddGrpcClient<MyMath.MyMathClient>(o => o.Address = new Uri("https://localhost:5001"));

AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);

public class IndexController : Controller
    {
        private readonly MyMath.MyMathClient _client;

        public IndexController(MyMath.MyMathClient client)
        {
            this._client = client;
        }

        public async Task<int> Add(int a, int b)
        {
            var respones = await _client.MathAddAsync(new AddRequest()
            {
                A = a,
                B = b
            });
            return respones.A;
        }
    }