v 1.0.1 - Add Cancellation Token to service

(Setup) Log 4 Graylog/(Setup) Log 4 Graylog.vdproj

@@ -37,6 +37,14 @@
         "PrivateKeyFile" = "8:"
         "TimeStampServer" = "8:"
         "InstallerBootstrapper" = "3:2"
+            "BootstrapperCfg:{63ACBE69-63AA-4F98-B2B6-99F9E24495F2}"
+            {
+            "Enabled" = "11:TRUE"
+            "PromptEnabled" = "11:TRUE"
+            "PrerequisitesLocation" = "2:1"
+            "Url" = "8:"
+            "ComponentsUrl" = "8:"
+            }
         }
         "Release"
         {
@@ -156,15 +164,15 @@
         {
         "Name" = "8:Microsoft Visual Studio"
         "ProductName" = "8:Log 4 Graylog"
-        "ProductCode" = "8:{AE9265EA-F205-4212-9A4A-C0AFD73A2067}"
+        "ProductCode" = "8:{20B40DF7-DE7D-4525-8A5A-70A7553AD142}"
-        "PackageCode" = "8:{688D543B-C948-42B2-9DBB-282E9C06868B}"
+        "PackageCode" = "8:{8B5226CE-438C-4CA5-AA45-6B913E396AD8}"
         "UpgradeCode" = "8:{7CE09C91-3C26-4C8E-BC66-003536E12481}"
         "AspNetVersion" = "8:4.0.30319.0"
         "RestartWWWService" = "11:FALSE"
         "RemovePreviousVersions" = "11:FALSE"
         "DetectNewerInstalledVersion" = "11:TRUE"
         "InstallAllUsers" = "11:TRUE"
-        "ProductVersion" = "8:1.0.0"
+        "ProductVersion" = "8:1.0.1"
         "Manufacturer" = "8:PAL s.r.l."
         "ARPHELPTELEPHONE" = "8:"
         "ARPHELPLINK" = "8:"

console_log4graylog/Program.cs

@@ -1,13 +1,11 @@
-using System.ServiceProcess;
+using console_log4graylog.Model;
-using console_log4graylog.Model;
 using console_log4graylog.Workers;
 using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Hosting;
 using Serilog;
 using Serilog.Core;
 using Serilog.Events;
 using Serilog.Sinks.Graylog;
+using System.ServiceProcess;
 
 namespace console_log4graylog
 {
@@ -15,8 +13,6 @@ namespace console_log4graylog
     {
         public static void Main(string[] args)
         {
-            ServiceBase[] servicesToRun;
-
             IConfigurationRoot config = new ConfigurationBuilder()
                 .AddJsonFile("appsettings.json",
                     optional: true,
@@ -24,11 +20,6 @@ namespace console_log4graylog
                 .AddEnvironmentVariables()
                 .Build();
 
-            servicesToRun = new []
-            {
-                new MainWorker(config)
-            };
-
             var graylogSettings = config.GetSection("GraylogSettings").Get<GraylogSettings>();
 
             Log.Logger = new LoggerConfiguration()
@@ -41,7 +32,7 @@ namespace console_log4graylog
                     Facility = graylogSettings.Facility
                 }).CreateLogger();
 
-            ServiceBase.Run(servicesToRun);
+            ServiceBase.Run(new MainWorker(config));
         }
     }
 

console_log4graylog/Workers/MainWorker.cs

@@ -1,9 +1,6 @@
 using console_log4graylog.Model;
 using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.FileSystemGlobbing;
-using Microsoft.Extensions.Hosting;
 using Serilog;
-using System.IO;
 using System.Net;
 using System.ServiceProcess;
 
@@ -13,8 +10,8 @@ namespace console_log4graylog.Workers
     {
         private SettingsModel Settings { get; set; }
         private FileSystemWatcher watcher;
-        private Thread monitorThread;
+        private Task monitorTask;
-        private bool running = true;
+        private CancellationTokenSource cancellationTokenSource;
 
         public MainWorker(IConfiguration _configuration)
         {
@@ -29,9 +26,9 @@ namespace console_log4graylog.Workers
             Log2File("Start Log 4 Graylog");
             Log.Logger.Warning("▶️ Start Log 4 Graylog on " + Dns.GetHostName());
 
+            cancellationTokenSource = new CancellationTokenSource();
+            monitorTask = Task.Run(() => MonitorFolder(cancellationTokenSource.Token), cancellationTokenSource.Token);
 
-            monitorThread = new Thread(MonitorFolder);
-            monitorThread.Start();
         }
 
         protected override void OnStop()
@@ -39,23 +36,28 @@ namespace console_log4graylog.Workers
             Log2File("End Log 4 Graylog");
             Log.Logger.Error("⏹️ End Log 4 Graylog on " + Dns.GetHostName());
 
-            running = false;
+            cancellationTokenSource.Cancel();
             watcher?.Dispose();
+            monitorTask?.Wait();
         }
 
-        private void MonitorFolder()
+        private async Task MonitorFolder(CancellationToken cancellationToken)
         {
-            while (running)
+            while (!cancellationToken.IsCancellationRequested)
             {
                 try
                 {
                     var latestFile = GetLatestLogFile();
                     if (latestFile != null)
                     {
-                        MonitorLogFile(latestFile);
+                        await MonitorLogFile(latestFile, cancellationToken);
                     }
-                    Thread.Sleep(1000);
+                    else
+                    {
+                        await Task.Delay(50, cancellationToken);
                     }
+                }
+                catch (TaskCanceledException) { return; }
                 catch (Exception ex)
                 {
                     LogError("Service encountered an error: " + ex.Message);
@@ -71,7 +73,7 @@ namespace console_log4graylog.Workers
                       .FirstOrDefault();
         }
 
-        private void MonitorLogFile(FileInfo file)
+        private async Task MonitorLogFile(FileInfo file, CancellationToken cancellationToken)
         {
             try
             {
@@ -81,8 +83,10 @@ namespace console_log4graylog.Workers
                 using (var reader = new StreamReader(fs))
                 {
                     reader.BaseStream.Seek(0, SeekOrigin.End);
-                    while (running)
+                    while (!cancellationToken.IsCancellationRequested)
                     {
+                        cancellationToken.ThrowIfCancellationRequested();
+
                         string line = reader.ReadLine();
                         while (line != null)
                         {
@@ -93,10 +97,11 @@ namespace console_log4graylog.Workers
                         {
                             break; 
                         }
-                        Thread.Sleep(500);
+                        await Task.Delay(1, cancellationToken);
                     }
                 }
             }
+            catch (TaskCanceledException) { return; }
             catch (Exception ex)
             {
                 LogError("Error monitoring file: " + ex.Message);

console_log4graylog/appsettings.json

@@ -7,6 +7,6 @@
   "GeneralSettings" : {
     "DirPath" : "C:\\Logs",
     "FileNamePattern": "*.log",
-    "LogPath": "C:\\Logs\\l4g_debug.log"
+    "LogPath": "C:\\Logs\\debug.l4g"
   }
 }