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微服务学习笔记（1）——使用MagicOnion实现gRPC

2019年01月22日  | 移动技术网IT编程  | 我要评论

单位推荐意见,化兽人,儒道仙缘

1.什么是grpc

官方文档：

2.什么是magiconion

magiconion开源地址：https://github.com/cysharp/magiconion

3.服务端代码

新建一个webapi项目

using magiconion;

namespace serverdefinition
{
    // 定义接口和方法，iservice，unaryresult是magiconion自带
    public interface itest : iservice<itest>
    {
        unaryresult<string> sumasync(int x, int y);
    }
}

using magiconion;
using magiconion.server;
using serverdefinition;

namespace grpcserver
{
    // 实现接口，servicebase是magiconion自带
    public class test : servicebase<itest>, itest
    {
        public async unaryresult<string> sumasync(int x, int y) => (x + y).tostring();
    }
}
using grpc.core;
using magiconion.server;
using microsoft.aspnetcore.builder;
using microsoft.aspnetcore.hosting;
using microsoft.aspnetcore.mvc;
using microsoft.extensions.configuration;
using microsoft.extensions.dependencyinjection;
using system;

namespace grpcserver
{
    public class startup
    {
        public startup(iconfiguration configuration)
        {
            this.configuration = configuration;
        }

        public iconfiguration configuration { get; }

        // this method gets called by the runtime. use this method to add services to the container.
        public void configureservices(iservicecollection services)
        {
            services.addmvc().setcompatibilityversion(compatibilityversion.version_2_2);

            // 通过反射去拿
            magiconionservicedefinition service = magiconionengine.buildserverservicedefinition(new magiconionoptions(true)
            {
                magiconionlogger = new magiconionlogtogrpclogger()
            });
            server server = new server
            {
                services = { service },
                ports = { new serverport(this.configuration["service:localipaddress"],//这里是读配置文件 convert.toint32(this.configuration["service:port"]), servercredentials.insecure) }
            };
            server.start();

        }

        // this method gets called by the runtime. use this method to configure the http request pipeline.
        public void configure(iapplicationbuilder app, ihostingenvironment env, iapplicationlifetime lifetime)
        {
            if (env.isdevelopment())
            {
                app.usedeveloperexceptionpage();
            } 
            app.usemvc(); 
        }
    }
}
4.客户端

新建一个控制台程序

using consul;
using grpc.core;
using magiconion.client;
using serverdefinition;
using system;
using system.collections.generic;
using system.linq;
using system.threading.tasks;

namespace client
{
    class program
    {
        static void main(string[] args)
        {
            console.writeline("hello world!");

            // 然后你就可以根据ip和端口拿到对于的服务
            var channel = new channel("192.168.1.8", 8080, channelcredentials.insecure);


            var client = magiconionclient.create<itest>(channel);
            // 调用
            var result = client.sumasync(100, 200).responseasync.result;

            console.writeline("client received:" + result);

            var channel2 = new channel("192.168.1.8", 8081, channelcredentials.insecure);

            var client2 = magiconionclient.create<itest>(channel2);

            var result2 = client2.sumasync(100, 200).responseasync.result;

            console.writeline("client received:" + result2);
 
        }
 
    }
}
5. 思考

grpc项目创建多个之后，需要一个服务注册和发现的工具。

6.下一篇预告。

使用consul 实现 magiconion(grpc) 服务注册与发现

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