Added LogCat logging on startup

fiskaltrust · Nov 7, 2022 · 8080a1e · 8080a1e
1 parent b3ef1f3
commit 8080a1e
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Showing 3 changed files with 85 additions and 1 deletion.
diff --git a/src/fiskaltrust.AndroidLauncher.Common/AndroidService/MiddlewareLauncherService.cs b/src/fiskaltrust.AndroidLauncher.Common/AndroidService/MiddlewareLauncherService.cs
@@ -1,5 +1,6 @@
 using Android.App;
 using Android.Content;
+using Android.Nfc;
 using Android.OS;
 using Android.Runtime;
 using AndroidX.Core.App;
@@ -14,6 +15,7 @@
 using Microsoft.ApplicationInsights.Extensibility;
 using Microsoft.Extensions.Logging;
 using Serilog;
+using Serilog.Formatting.Display;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -40,7 +42,7 @@ public override StartCommandResult OnStartCommand(Intent intent, StartCommandFla
             CreateNotificationChannel();
 
             var enableCloseButton = intent.GetBooleanExtra("enableCloseButton", false);
-            var notification = GetNotification(LauncherState.NotConnected, enableCloseButton) ;
+            var notification = GetNotification(LauncherState.NotConnected, enableCloseButton);
 
             StartForeground(NOTIFICATION_ID, notification);
 
@@ -70,6 +72,7 @@ public override StartCommandResult OnStartCommand(Intent intent, StartCommandFla
                 Log.Logger = new LoggerConfiguration()
                     .WriteTo.File(path: Path.Combine(FileLoggerHelper.LogDirectory.FullName, FileLoggerHelper.LogFilename), rollingInterval: RollingInterval.Day, retainedFileCountLimit: 31)
                     .WriteTo.ApplicationInsights(telemetryConfiguration, TelemetryConverter.Traces, restrictedToMinimumLevel: Serilog.Events.LogEventLevel.Warning)
+                    .WriteTo.Sink(new LogcatSink(AndroidLogger.TAG, logLevel))
                     .CreateLogger();
 
                 Log.Logger.Information("Starting the fiskaltrust.Middleware...");

diff --git a/src/fiskaltrust.AndroidLauncher.Common/Helpers/Logging/LogCatSink.cs b/src/fiskaltrust.AndroidLauncher.Common/Helpers/Logging/LogCatSink.cs
@@ -0,0 +1,80 @@
+using Microsoft.Extensions.Logging;
+using Serilog.Core;
+using Serilog.Events;
+using Serilog.Formatting;
+using Serilog.Formatting.Display;
+using System;
+using System.IO;
+
+namespace fiskaltrust.AndroidLauncher.Common.Helpers.Logging
+{
+    internal class LogcatSink : ILogEventSink
+    {
+        private readonly string _tag;
+        private readonly ITextFormatter _formatter;
+        private readonly LogEventLevel _restrictedToMinimumLevel;
+
+        public LogcatSink(string tag, LogLevel restrictedToMinimumLevel)
+        {
+            _tag = tag ?? throw new ArgumentNullException(nameof(tag));
+
+            _formatter = new MessageTemplateTextFormatter("{Message:lj}{NewLine}{Exception}");
+            _restrictedToMinimumLevel = GetSerilogLogLevel(restrictedToMinimumLevel);
+        }
+
+        public void Emit(LogEvent logEvent)
+        {
+            if (logEvent.Level < _restrictedToMinimumLevel)
+            {
+                return;
+            }
+
+            using var writer = new StringWriter();
+
+            _formatter.Format(logEvent, writer);
+
+            var msg = writer.ToString();
+
+            switch (logEvent.Level)
+            {
+                case LogEventLevel.Verbose:
+                    Android.Util.Log.Verbose(_tag, msg);
+                    break;
+                case LogEventLevel.Debug:
+                    Android.Util.Log.Debug(_tag, msg);
+                    break;
+                case LogEventLevel.Information:
+                    Android.Util.Log.Info(_tag, msg);
+                    break;
+                case LogEventLevel.Warning:
+                    Android.Util.Log.Warn(_tag, msg);
+                    break;
+                case LogEventLevel.Fatal:
+                case LogEventLevel.Error:
+                    Android.Util.Log.Error(_tag, msg);
+                    break;
+            }
+        }
+
+        private LogEventLevel GetSerilogLogLevel(LogLevel level)
+        {
+            switch (level)
+            {
+                case LogLevel.Trace:
+                    return LogEventLevel.Verbose;
+                case LogLevel.Debug:
+                    return LogEventLevel.Debug;
+                case LogLevel.Information:
+                    return LogEventLevel.Information;
+                case LogLevel.Warning:
+                    return LogEventLevel.Warning;
+                case LogLevel.Error:
+                    return LogEventLevel.Error;
+                case LogLevel.Critical:
+                    return LogEventLevel.Fatal;
+            }
+
+            return LogEventLevel.Information;
+        }
+    }
+}
diff --git a/src/fiskaltrust.AndroidLauncher.Common/fiskaltrust.AndroidLauncher.Common.csproj b/src/fiskaltrust.AndroidLauncher.Common/fiskaltrust.AndroidLauncher.Common.csproj
@@ -69,6 +69,7 @@
     <Compile Include="Helpers\Logging\AndroidLogger.cs" />
     <Compile Include="Helpers\Logging\FileLoggerHelper.cs" />
     <Compile Include="Helpers\Logging\AndroidLoggerProvider.cs" />
+    <Compile Include="Helpers\Logging\LogCatSink.cs" />
     <Compile Include="Helpers\Logging\MiddlewareTelemetryInitializer.cs" />
     <Compile Include="Helpers\Logging\NoopDisposable.cs" />
     <Compile Include="Helpers\PowerManagerHelper.cs" />