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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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84 lines
2.7 KiB
84 lines
2.7 KiB
#region Copyright notice and license |
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// Copyright 2018 The gRPC Authors |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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#endregion |
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using Android.App; |
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using Android.Widget; |
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using Android.OS; |
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using System.Threading.Tasks; |
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using Grpc.Core; |
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using Helloworld; |
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namespace HelloworldXamarin.Droid |
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{ |
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[Activity(Label = "HelloworldXamarin", MainLauncher = true, Icon = "@mipmap/icon")] |
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public class MainActivity : Activity |
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{ |
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const int Port = 30051; |
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int count = 1; |
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protected override void OnCreate(Bundle savedInstanceState) |
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{ |
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base.OnCreate(savedInstanceState); |
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// Set our view from the "main" layout resource |
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SetContentView(Resource.Layout.Main); |
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// Get our button from the layout resource, |
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// and attach an event to it |
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Button button = FindViewById<Button>(Resource.Id.myButton); |
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button.Click += delegate { SayHello(button); }; |
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} |
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private void SayHello(Button button) |
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{ |
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Server server = new Server |
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{ |
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Services = { Greeter.BindService(new GreeterImpl()) }, |
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Ports = { new ServerPort("localhost", Port, ServerCredentials.Insecure) } |
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}; |
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server.Start(); |
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// use loopback on host machine: https://developer.android.com/studio/run/emulator-networking |
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//10.0.2.2:30051 |
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Channel channel = new Channel("localhost:30051", ChannelCredentials.Insecure); |
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var client = new Greeter.GreeterClient(channel); |
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string user = "Xamarin " + count; |
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var reply = client.SayHello(new HelloRequest { Name = user }); |
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button.Text = "Greeting: " + reply.Message; |
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channel.ShutdownAsync().Wait(); |
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server.ShutdownAsync().Wait(); |
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count++; |
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} |
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class GreeterImpl : Greeter.GreeterBase |
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{ |
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// Server side handler of the SayHello RPC |
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public override Task<HelloReply> SayHello(HelloRequest request, ServerCallContext context) |
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{ |
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return Task.FromResult(new HelloReply { Message = "Hello " + request.Name }); |
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} |
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} |
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} |
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} |
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