From 47db6d01ed9f0ef5693166aba9dd5d05f65f01e9 Mon Sep 17 00:00:00 2001
From: Sourabh Shirhatti <shirhatti@outlook.com>
Date: Sun, 12 May 2019 12:03:13 -0700
Subject: [PATCH] Use backgroudservice

---
 src/LogViewer/HostedService.cs    | 46 -------------------------------
 src/LogViewer/LogViewerService.cs |  2 +-
 2 files changed, 1 insertion(+), 47 deletions(-)
 delete mode 100644 src/LogViewer/HostedService.cs

diff --git a/src/LogViewer/HostedService.cs b/src/LogViewer/HostedService.cs
deleted file mode 100644
index cee364d..0000000
--- a/src/LogViewer/HostedService.cs
+++ /dev/null
@@ -1,46 +0,0 @@
-using Microsoft.Extensions.Hosting;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace LogViewer
-{
-    public abstract class HostedService : IHostedService
-    {
-        private Task _executingTask;
-        private CancellationTokenSource _cts;
-
-        public Task StartAsync(CancellationToken cancellationToken)
-        {
-            // Create a linked token so we can trigger cancellation outside of this token's cancellation
-            _cts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
-
-            // Store the task we're executing
-            _executingTask = ExecuteAsync(_cts.Token);
-
-            // If the task is completed then return it, otherwise it's running
-            return _executingTask.IsCompleted ? _executingTask : Task.CompletedTask;
-        }
-
-        public async Task StopAsync(CancellationToken cancellationToken)
-        {
-            // Stop called without start
-            if (_executingTask == null)
-            {
-                return;
-            }
-
-            // Signal cancellation to the executing method
-            _cts.Cancel();
-
-            // Wait until the task completes or the stop token triggers
-            await Task.WhenAny(_executingTask, Task.Delay(-1, cancellationToken));
-
-            // Throw if cancellation triggered
-            cancellationToken.ThrowIfCancellationRequested();
-        }
-
-        // Derived classes should override this and execute a long running method until 
-        // cancellation is requested
-        protected abstract Task ExecuteAsync(CancellationToken cancellationToken);
-    }
-}
diff --git a/src/LogViewer/LogViewerService.cs b/src/LogViewer/LogViewerService.cs
index 85ec8a2..278c683 100644
--- a/src/LogViewer/LogViewerService.cs
+++ b/src/LogViewer/LogViewerService.cs
@@ -13,7 +13,7 @@
 
 namespace LogViewer
 {
-    public class LogViewerService : HostedService
+    public class LogViewerService : BackgroundService
     {
         private readonly ILoggerFactory _loggerFactory;
         private readonly LogViewerServiceOptions _options;