├── .gitignore ├── GrpcDemo.Client ├── GrpcDemo.Client.sln └── GrpcDemo.Client │ ├── GrpcDemo.Client.csproj │ ├── Program.cs │ └── Protos │ ├── clientcount.proto │ └── population.proto ├── GrpcDemo.Server ├── GrpcDemo.Server.sln └── GrpcDemo.Server │ ├── ClientCountProviderService.cs │ ├── GrpcDemo.Server.csproj │ ├── IStatePopulationProvider.cs │ ├── PopulationService.cs │ ├── Program.cs │ ├── Properties │ └── launchSettings.json │ ├── Protos │ ├── clientcount.proto │ └── population.proto │ ├── Startup.cs │ ├── StatePopulationProvider.cs │ ├── appsettings.Development.json │ └── appsettings.json └── README.md /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Aa][Rr][Mm]/ 27 | [Aa][Rr][Mm]64/ 28 | bld/ 29 | [Bb]in/ 30 | [Oo]bj/ 31 | [Ll]og/ 32 | [Ll]ogs/ 33 | 34 | # Visual Studio 2015/2017 cache/options directory 35 | .vs/ 36 | # Uncomment if you have tasks that create the project's static files in wwwroot 37 | #wwwroot/ 38 | 39 | # Visual Studio 2017 auto generated files 40 | Generated\ Files/ 41 | 42 | # MSTest test Results 43 | [Tt]est[Rr]esult*/ 44 | [Bb]uild[Ll]og.* 45 | 46 | # NUnit 47 | *.VisualState.xml 48 | TestResult.xml 49 | nunit-*.xml 50 | 51 | # Build Results of an ATL Project 52 | [Dd]ebugPS/ 53 | [Rr]eleasePS/ 54 | dlldata.c 55 | 56 | # Benchmark Results 57 | BenchmarkDotNet.Artifacts/ 58 | 59 | # .NET Core 60 | project.lock.json 61 | project.fragment.lock.json 62 | artifacts/ 63 | 64 | # StyleCop 65 | StyleCopReport.xml 66 | 67 | # Files built by Visual Studio 68 | *_i.c 69 | *_p.c 70 | *_h.h 71 | *.ilk 72 | *.meta 73 | *.obj 74 | *.iobj 75 | *.pch 76 | *.pdb 77 | *.ipdb 78 | *.pgc 79 | *.pgd 80 | *.rsp 81 | *.sbr 82 | *.tlb 83 | *.tli 84 | *.tlh 85 | *.tmp 86 | *.tmp_proj 87 | *_wpftmp.csproj 88 | *.log 89 | *.vspscc 90 | *.vssscc 91 | .builds 92 | *.pidb 93 | *.svclog 94 | *.scc 95 | 96 | # Chutzpah Test files 97 | _Chutzpah* 98 | 99 | # Visual C++ cache files 100 | ipch/ 101 | *.aps 102 | *.ncb 103 | *.opendb 104 | *.opensdf 105 | *.sdf 106 | *.cachefile 107 | *.VC.db 108 | *.VC.VC.opendb 109 | 110 | # Visual Studio profiler 111 | *.psess 112 | *.vsp 113 | *.vspx 114 | *.sap 115 | 116 | # Visual Studio Trace Files 117 | *.e2e 118 | 119 | # TFS 2012 Local Workspace 120 | $tf/ 121 | 122 | # Guidance Automation Toolkit 123 | *.gpState 124 | 125 | # ReSharper is a .NET coding add-in 126 | _ReSharper*/ 127 | *.[Rr]e[Ss]harper 128 | *.DotSettings.user 129 | 130 | # TeamCity is a build add-in 131 | _TeamCity* 132 | 133 | # DotCover is a Code Coverage Tool 134 | *.dotCover 135 | 136 | # AxoCover is a Code Coverage Tool 137 | .axoCover/* 138 | !.axoCover/settings.json 139 | 140 | # Visual Studio code coverage results 141 | *.coverage 142 | *.coveragexml 143 | 144 | # NCrunch 145 | _NCrunch_* 146 | .*crunch*.local.xml 147 | nCrunchTemp_* 148 | 149 | # MightyMoose 150 | *.mm.* 151 | AutoTest.Net/ 152 | 153 | # Web workbench (sass) 154 | .sass-cache/ 155 | 156 | # Installshield output folder 157 | [Ee]xpress/ 158 | 159 | # DocProject is a documentation generator add-in 160 | DocProject/buildhelp/ 161 | DocProject/Help/*.HxT 162 | DocProject/Help/*.HxC 163 | DocProject/Help/*.hhc 164 | DocProject/Help/*.hhk 165 | DocProject/Help/*.hhp 166 | DocProject/Help/Html2 167 | DocProject/Help/html 168 | 169 | # Click-Once directory 170 | publish/ 171 | 172 | # Publish Web Output 173 | *.[Pp]ublish.xml 174 | *.azurePubxml 175 | # Note: Comment the next line if you want to checkin your web deploy settings, 176 | # but database connection strings (with potential passwords) will be unencrypted 177 | *.pubxml 178 | *.publishproj 179 | 180 | # Microsoft Azure Web App publish settings. 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build; native; contentfiles; analyzers; buildtransitive 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /GrpcDemo.Client/GrpcDemo.Client/Program.cs: -------------------------------------------------------------------------------- 1 | using Google.Protobuf.WellKnownTypes; 2 | using Grpc.Core; 3 | using Grpc.Net.Client; 4 | using System; 5 | using System.Threading; 6 | using System.Threading.Tasks; 7 | 8 | namespace GrpcDemo.Client 9 | { 10 | class Program 11 | { 12 | static async Task Main(string[] args) 13 | { 14 | await ClientStream(); 15 | } 16 | 17 | private static async Task ServerStream() 18 | { 19 | var credentials = CallCredentials.FromInterceptor((c, m) => { 20 | m.Add("Authorization", 21 | "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1bmlxdWVfbmFtZSI6InRlc3QxIiwibmJmIjoxNTgxOTYyNzI0LCJleHAiOjE1ODE5NjYzMjQsImlhdCI6MTU4MTk2MjcyNH0.VvYln0PgZQrFwBTx0Ik3TGGI43DxdVVxzHAXma-K5P0"); 22 | return Task.CompletedTask; 23 | }); 24 | 25 | var channel = GrpcChannel.ForAddress("https://localhost:5001/", 26 | new GrpcChannelOptions 27 | { 28 | Credentials = ChannelCredentials.Create(new SslCredentials(), credentials) 29 | }); 30 | 31 | var client = new GrpcClientCount.ClientCountProvider.ClientCountProviderClient(channel); 32 | 33 | var token = new CancellationTokenSource(TimeSpan.FromSeconds(5)); 34 | using var population = client.GetClientCount( 35 | new Empty(), 36 | cancellationToken: token.Token); 37 | try 38 | { 39 | await foreach (var item in population.ResponseStream.ReadAllAsync(token.Token)) 40 | { Console.WriteLine(item.Count); } 41 | } 42 | catch (RpcException exc) 43 | { 44 | Console.WriteLine(exc.Message); 45 | } 46 | 47 | } 48 | 49 | private static async Task ClientStream() 50 | { 51 | var credentials = CallCredentials.FromInterceptor((c, m) => { 52 | m.Add("Authorization", 53 | "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1bmlxdWVfbmFtZSI6InRlc3QxIiwibmJmIjoxNTgxOTYyNzI0LCJleHAiOjE1ODE5NjYzMjQsImlhdCI6MTU4MTk2MjcyNH0.VvYln0PgZQrFwBTx0Ik3TGGI43DxdVVxzHAXma-K5P0"); 54 | return Task.CompletedTask; 55 | }); 56 | 57 | var channel = GrpcChannel.ForAddress("https://localhost:5001/", 58 | new GrpcChannelOptions 59 | { 60 | Credentials = ChannelCredentials.Create(new SslCredentials(), credentials) 61 | }); 62 | 63 | var client = new GrpcPopulation.PopulationProvider.PopulationProviderClient(channel); 64 | 65 | using var populationRequest = client.GetPopulation(); 66 | 67 | foreach (var state in new [] { "NY", "NJ", "MD", "KY"}) 68 | { 69 | await populationRequest.RequestStream.WriteAsync(new GrpcPopulation.PopulationRequest 70 | { 71 | State = state 72 | }); 73 | } 74 | 75 | await populationRequest.RequestStream.CompleteAsync(); 76 | 77 | var response = await populationRequest.ResponseAsync; 78 | 79 | Console.WriteLine(response.Count); 80 | 81 | } 82 | } 83 | } 84 | -------------------------------------------------------------------------------- /GrpcDemo.Client/GrpcDemo.Client/Protos/clientcount.proto: -------------------------------------------------------------------------------- 1 | syntax = "proto3"; 2 | 3 | import "google/protobuf/empty.proto"; 4 | 5 | option csharp_namespace = "GrpcClientCount"; 6 | 7 | service ClientCountProvider { 8 | rpc GetClientCount (google.protobuf.Empty) returns (stream ClientCount); 9 | } 10 | 11 | message ClientCount{ 12 | int32 Count = 1; 13 | } 14 | -------------------------------------------------------------------------------- /GrpcDemo.Client/GrpcDemo.Client/Protos/population.proto: -------------------------------------------------------------------------------- 1 | syntax = "proto3"; 2 | 3 | option csharp_namespace = "GrpcPopulation"; 4 | 5 | service PopulationProvider { 6 | rpc GetPopulation (stream PopulationRequest) returns (PopulationResponse); 7 | } 8 | 9 | message PopulationRequest{ 10 | string State = 1; 11 | } 12 | 13 | message PopulationResponse{ 14 | int64 Count = 1; 15 | } -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 16 4 | VisualStudioVersion = 16.0.29411.108 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GrpcDemo.Server", "GrpcDemo.Server\GrpcDemo.Server.csproj", "{323E609E-1F23-4824-93A1-E3BEB66877A9}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|Any CPU = Debug|Any CPU 11 | Release|Any CPU = Release|Any CPU 12 | EndGlobalSection 13 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 14 | {323E609E-1F23-4824-93A1-E3BEB66877A9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 15 | {323E609E-1F23-4824-93A1-E3BEB66877A9}.Debug|Any CPU.Build.0 = Debug|Any CPU 16 | {323E609E-1F23-4824-93A1-E3BEB66877A9}.Release|Any CPU.ActiveCfg = Release|Any CPU 17 | {323E609E-1F23-4824-93A1-E3BEB66877A9}.Release|Any CPU.Build.0 = Release|Any CPU 18 | EndGlobalSection 19 | GlobalSection(SolutionProperties) = preSolution 20 | HideSolutionNode = FALSE 21 | EndGlobalSection 22 | GlobalSection(ExtensibilityGlobals) = postSolution 23 | SolutionGuid = {1261F2D1-7D3E-4DD5-8ABD-A84440318494} 24 | EndGlobalSection 25 | EndGlobal 26 | -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/ClientCountProviderService.cs: -------------------------------------------------------------------------------- 1 | using Google.Protobuf.WellKnownTypes; 2 | using Grpc.Core; 3 | using GrpcClientCount; 4 | using Microsoft.AspNetCore.Authorization; 5 | using System; 6 | using System.Threading.Tasks; 7 | 8 | namespace GrpcDemo.Server 9 | { 10 | [Authorize] 11 | public class ClientCountProviderService : ClientCountProvider.ClientCountProviderBase 12 | { 13 | public override async Task GetClientCount(Empty request, IServerStreamWriter responseStream, ServerCallContext context) 14 | { 15 | var count = 0; 16 | 17 | Console.WriteLine($"User name from JWT Token {context.GetHttpContext().User.Identity.Name}"); 18 | 19 | while (!context.CancellationToken.IsCancellationRequested) 20 | { 21 | await responseStream.WriteAsync(new ClientCount { Count = count }); 22 | count++; 23 | } 24 | } 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/GrpcDemo.Server.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | netcoreapp3.0 5 | 6 | 7 | 8 | 9 | 10 | 11 | all 12 | runtime; build; native; contentfiles; analyzers; buildtransitive 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/IStatePopulationProvider.cs: -------------------------------------------------------------------------------- 1 | namespace GrpcDemo.Server 2 | { 3 | public interface IStatePopulationProvider 4 | { 5 | long Get(string state); 6 | } 7 | } -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/PopulationService.cs: -------------------------------------------------------------------------------- 1 | using Grpc.Core; 2 | using GrpcPopulation; 3 | using System.Collections.Generic; 4 | using System.Linq; 5 | using System.Threading.Tasks; 6 | 7 | namespace GrpcDemo.Server 8 | { 9 | public class PopulationService : PopulationProvider.PopulationProviderBase 10 | { 11 | private readonly IStatePopulationProvider statePopulationProvider; 12 | 13 | public PopulationService(IStatePopulationProvider statePopulationProvider) 14 | { 15 | this.statePopulationProvider = statePopulationProvider; 16 | } 17 | 18 | public override async Task GetPopulation(IAsyncStreamReader requestStream, ServerCallContext context) 19 | { 20 | var statePopulations = new List(); 21 | while (await requestStream.MoveNext()) 22 | { 23 | var populationRequest = requestStream.Current; 24 | statePopulations.Add(statePopulationProvider.Get(populationRequest.State)); 25 | } 26 | 27 | return new PopulationResponse { Count = statePopulations.Sum() }; 28 | } 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/Program.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Threading.Tasks; 5 | using Microsoft.AspNetCore.Hosting; 6 | using Microsoft.Extensions.Configuration; 7 | using Microsoft.Extensions.Hosting; 8 | using Microsoft.Extensions.Logging; 9 | 10 | namespace GrpcDemo.Server 11 | { 12 | public class Program 13 | { 14 | public static void Main(string[] args) 15 | { 16 | CreateHostBuilder(args).Build().Run(); 17 | } 18 | 19 | public static IHostBuilder CreateHostBuilder(string[] args) => 20 | Host.CreateDefaultBuilder(args) 21 | .ConfigureWebHostDefaults(webBuilder => 22 | { 23 | webBuilder.UseStartup(); 24 | }); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/Properties/launchSettings.json: -------------------------------------------------------------------------------- 1 | { 2 | "iisSettings": { 3 | "windowsAuthentication": false, 4 | "anonymousAuthentication": true, 5 | "iisExpress": { 6 | "applicationUrl": "http://localhost:59403", 7 | "sslPort": 44397 8 | } 9 | }, 10 | "profiles": { 11 | "IIS Express": { 12 | "commandName": "IISExpress", 13 | "launchBrowser": true, 14 | "environmentVariables": { 15 | "ASPNETCORE_ENVIRONMENT": "Development" 16 | } 17 | }, 18 | "GrpcDemo.Server": { 19 | "commandName": "Project", 20 | "launchBrowser": true, 21 | "applicationUrl": "https://localhost:5001;http://localhost:5000", 22 | "environmentVariables": { 23 | "ASPNETCORE_ENVIRONMENT": "Development" 24 | } 25 | } 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/Protos/clientcount.proto: -------------------------------------------------------------------------------- 1 | syntax = "proto3"; 2 | 3 | import "google/protobuf/empty.proto"; 4 | 5 | option csharp_namespace = "GrpcClientCount"; 6 | 7 | service ClientCountProvider { 8 | rpc GetClientCount (google.protobuf.Empty) returns (stream ClientCount); 9 | } 10 | 11 | message ClientCount{ 12 | int32 Count = 1; 13 | } 14 | -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/Protos/population.proto: -------------------------------------------------------------------------------- 1 | syntax = "proto3"; 2 | 3 | option csharp_namespace = "GrpcPopulation"; 4 | 5 | service PopulationProvider { 6 | rpc GetPopulation (stream PopulationRequest) returns (PopulationResponse); 7 | } 8 | 9 | message PopulationRequest{ 10 | string State = 1; 11 | } 12 | 13 | message PopulationResponse{ 14 | int64 Count = 1; 15 | } -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/Startup.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Text; 5 | using System.Threading.Tasks; 6 | using Microsoft.AspNetCore.Authentication.JwtBearer; 7 | using Microsoft.AspNetCore.Builder; 8 | using Microsoft.AspNetCore.Hosting; 9 | using Microsoft.AspNetCore.Http; 10 | using Microsoft.Extensions.DependencyInjection; 11 | using Microsoft.Extensions.Hosting; 12 | using Microsoft.IdentityModel.Tokens; 13 | 14 | namespace GrpcDemo.Server 15 | { 16 | public class Startup 17 | { 18 | // This method gets called by the runtime. Use this method to add services to the container. 19 | // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940 20 | public void ConfigureServices(IServiceCollection services) 21 | { 22 | services.AddSingleton(); 23 | 24 | services.AddGrpc(); 25 | 26 | var key = Encoding.ASCII.GetBytes("This is my test private key"); 27 | services.AddAuthentication(x => 28 | { 29 | x.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme; 30 | x.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme; 31 | }) 32 | .AddJwtBearer(x => 33 | { 34 | x.RequireHttpsMetadata = false; 35 | x.SaveToken = true; 36 | x.TokenValidationParameters = new TokenValidationParameters 37 | { 38 | ValidateIssuerSigningKey = true, 39 | IssuerSigningKey = new SymmetricSecurityKey(key), 40 | ValidateIssuer = false, 41 | ValidateAudience = false 42 | }; 43 | }); 44 | 45 | services.AddAuthorization(); 46 | } 47 | 48 | // This method gets called by the runtime. Use this method to configure the HTTP request pipeline. 49 | public void Configure(IApplicationBuilder app, IWebHostEnvironment env) 50 | { 51 | if (env.IsDevelopment()) 52 | { 53 | app.UseDeveloperExceptionPage(); 54 | } 55 | 56 | app.UseRouting(); 57 | 58 | app.UseAuthentication(); 59 | app.UseAuthorization(); 60 | 61 | app.UseEndpoints(endpoints => 62 | { 63 | endpoints.MapGet("/", async context => 64 | { 65 | await context.Response.WriteAsync("Hello World!"); 66 | }); 67 | }); 68 | 69 | app.UseEndpoints(e => e.MapGrpcService()); 70 | app.UseEndpoints(e => e.MapGrpcService()); 71 | } 72 | } 73 | } 74 | -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/StatePopulationProvider.cs: -------------------------------------------------------------------------------- 1 | using System.Collections.Generic; 2 | 3 | namespace GrpcDemo.Server 4 | { 5 | public class StatePopulationProvider : IStatePopulationProvider 6 | { 7 | private readonly IDictionary states = new Dictionary { 8 | { "NJ", 10000 }, 9 | { "NY", 20000 }, 10 | { "MD", 30000 }, 11 | { "KY", 40000 }, 12 | }; 13 | 14 | public long Get(string state) 15 | { 16 | if (states.ContainsKey(state)) 17 | { 18 | return states[state]; 19 | } 20 | return 0; 21 | } 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/appsettings.Development.json: -------------------------------------------------------------------------------- 1 | { 2 | "Logging": { 3 | "LogLevel": { 4 | "Default": "Debug", 5 | "System": "Information", 6 | "Microsoft": "Information" 7 | } 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /GrpcDemo.Server/GrpcDemo.Server/appsettings.json: -------------------------------------------------------------------------------- 1 | { 2 | "Logging": { 3 | "LogLevel": { 4 | "Default": "Information", 5 | "Microsoft": "Warning", 6 | "Microsoft.Hosting.Lifetime": "Information" 7 | } 8 | }, 9 | "AllowedHosts": "*" 10 | } 11 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # gRPC 2 | gRPC in ASP.Net Core 3 | 4 | https://dotnetcorecentral.com/blog/grpc-in-asp-net-core/ 5 | --------------------------------------------------------------------------------