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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| using System.Threading.Tasks; | ||
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| namespace PhoneBox | ||
| { | ||
| public interface ITelephonyHub | ||
| { | ||
| Task SendMessage(string message); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| using System; | ||
| using System.Threading.Tasks; | ||
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| namespace Microsoft.AspNetCore.SignalR.Client | ||
| { | ||
| internal static class HubConnectionExtensions | ||
| { | ||
| public static IDisposable On<T1>(this HubConnection hubConnection, Func<T1, Task> handler) => hubConnection.On(handler.Method.Name, handler); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk.Worker"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>net6.0</TargetFramework> | ||
| <Nullable>enable</Nullable> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <Compile Include="..\..\shared\ITelephonyHub.cs" Link="ITelephonyHub.cs" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" /> | ||
| <PackageReference Include="Microsoft.Extensions.Hosting" /> | ||
| </ItemGroup> | ||
|
|
||
| </Project> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| using System.Threading.Tasks; | ||
| using Microsoft.Extensions.DependencyInjection; | ||
| using Microsoft.Extensions.Hosting; | ||
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| namespace PhoneBox.Client | ||
| { | ||
| internal static class Program | ||
| { | ||
| private static async Task Main(string[] args) | ||
| { | ||
| IHost host = Host.CreateDefaultBuilder(args) | ||
| .ConfigureServices(services => | ||
| { | ||
| services.AddHostedService<TelephonyHubListener>(); | ||
| }) | ||
| .Build(); | ||
|
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| await host.RunAsync().ConfigureAwait(false); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| using System; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using Microsoft.AspNetCore.SignalR.Client; | ||
| using Microsoft.Extensions.Hosting; | ||
|
|
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| namespace PhoneBox.Client | ||
| { | ||
| internal sealed class TelephonyHubListener : IHostedService, ITelephonyHub | ||
| { | ||
| #region IHostedService Members | ||
| public async Task StartAsync(CancellationToken cancellationToken) | ||
| { | ||
| Console.WriteLine("Starting listener"); | ||
|
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| HubConnection connection = new HubConnectionBuilder().WithUrl("https://localhost:63440/TelephonyHub") | ||
| .WithAutomaticReconnect() | ||
| .Build(); | ||
| connection.Closed += OnHubConnectionClosed; | ||
| connection.On<string>(this.SendMessage); | ||
|
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| await connection.StartAsync(cancellationToken).ConfigureAwait(false); | ||
|
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| Console.WriteLine("Listener started"); | ||
| } | ||
|
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| public Task StopAsync(CancellationToken cancellationToken) | ||
| { | ||
| Console.WriteLine("Stopping listener"); | ||
| Console.WriteLine("Listener stopped"); | ||
| return Task.CompletedTask; | ||
| } | ||
|
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| private static Task OnHubConnectionClosed(Exception? exception) | ||
| { | ||
| Console.WriteLine("Hub connection closed"); | ||
| if (exception != null) | ||
| { | ||
| try | ||
| { | ||
| Console.ForegroundColor = ConsoleColor.Red; | ||
| Console.WriteLine(exception); | ||
| } | ||
| finally | ||
| { | ||
| Console.ResetColor(); | ||
|
|
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| } | ||
| } | ||
|
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| return Task.CompletedTask; | ||
| } | ||
| #endregion | ||
|
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| #region ITelephonyHub Members | ||
| public Task SendMessage(string message) | ||
| { | ||
| Console.WriteLine($"Received message: {message}"); | ||
| return Task.CompletedTask; | ||
| } | ||
| #endregion | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,18 +1,24 @@ | ||
| using System.Threading.Tasks; | ||
| using Microsoft.AspNetCore.Builder; | ||
| using Microsoft.Extensions.DependencyInjection; | ||
|
|
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| namespace PhoneBox.Server | ||
| { | ||
| internal static class Program | ||
| { | ||
| private static async Task Main(string[] args) | ||
| { | ||
| WebApplication app = WebApplication.CreateBuilder(args) | ||
| .Build(); | ||
| WebApplicationBuilder builder = WebApplication.CreateBuilder(args); | ||
|
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| app.MapGet("/hi", () => "Hello!"); | ||
| IServiceCollection services = builder.Services; | ||
| services.AddSignalR(); | ||
| services.AddHostedService<TelephonyHubPublisher>(); | ||
|
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| WebApplication app = builder.Build(); | ||
|
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| app.MapHub<TelephonyHub>("/TelephonyHub"); | ||
|
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| await app.RunAsync().ConfigureAwait(false); | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| using Microsoft.AspNetCore.SignalR; | ||
|
|
||
| namespace PhoneBox.Server | ||
| { | ||
| internal sealed class TelephonyHub : Hub<ITelephonyHub> | ||
| { | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using Microsoft.AspNetCore.SignalR; | ||
| using Microsoft.Extensions.Hosting; | ||
|
|
||
| namespace PhoneBox.Server | ||
| { | ||
| internal sealed class TelephonyHubPublisher : BackgroundService | ||
| { | ||
| private readonly IHubContext<TelephonyHub, ITelephonyHub> _hub; | ||
|
|
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| public TelephonyHubPublisher(IHubContext<TelephonyHub, ITelephonyHub> hub) | ||
| { | ||
| this._hub = hub; | ||
| } | ||
|
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| protected override async Task ExecuteAsync(CancellationToken stoppingToken) | ||
| { | ||
| while (!stoppingToken.IsCancellationRequested) | ||
| { | ||
| await this._hub.Clients.All.SendMessage("Hey there").ConfigureAwait(false); | ||
| await Task.Delay(1000, stoppingToken).ConfigureAwait(false); | ||
| } | ||
| } | ||
| } | ||
| } |