UNIX dognails

ZeroLevel/Services/FileSystem/ParallelFileReader.cs

@@ -9,19 +9,39 @@ namespace ZeroLevel.Services.FileSystem
         : IDisposable
     {
         private MemoryMappedFile _mmf;
+        private FileStream _stream;
         private readonly long _fileLength;
         public long FileLength => _fileLength;
 
         public ParallelFileReader(string filePath)
         {
             _fileLength = new FileInfo(filePath).Length;
-            _mmf = MemoryMappedFile.CreateFromFile(filePath, FileMode.Open, Guid.NewGuid().ToString(), 0, MemoryMappedFileAccess.Read);
+            try
+            {
+                if (Environment.OSVersion.Platform == PlatformID.Unix)
+                {
+                    _stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
+                    _mmf = MemoryMappedFile.CreateFromFile(_stream, null, _stream.Length, MemoryMappedFileAccess.Read, HandleInheritability.None, true);
+                }
+                else
+                {
+                    //_stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
+                    //_mmf = MemoryMappedFile.CreateFromFile(_stream, null, _stream.Length, MemoryMappedFileAccess.Read, HandleInheritability.None, true);
+                    _mmf = MemoryMappedFile.CreateFromFile(filePath, FileMode.Open, Guid.NewGuid().ToString(), 0, MemoryMappedFileAccess.Read);
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, $"Fault to create MMF for {filePath}");
+            }
+            //_stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
         }
 
         public IViewAccessor GetAccessor(long offset)
         {
             var length = _fileLength - offset;
             return new MMFViewAccessor(_mmf.CreateViewStream(offset, length, MemoryMappedFileAccess.Read), offset);
+            //return new StreamVewAccessor(_stream);
         }
 
         public IViewAccessor GetAccessor(long offset, int length)
@@ -30,12 +50,14 @@ namespace ZeroLevel.Services.FileSystem
             {
                 throw new OutOfMemoryException($"Offset + Length ({offset + length}) more than file length ({_fileLength})");
             }
+            //return new StreamVewAccessor(_stream);
             return new MMFViewAccessor(_mmf.CreateViewStream(offset, length, MemoryMappedFileAccess.Read), offset);
         }
 
         public void Dispose()
         {
             _mmf?.Dispose();
+            _stream?.Dispose();
         }
     }
 }

ZeroLevel/Services/Web/UserAgents.cs

@@ -18,11 +18,11 @@ namespace ZeroLevel.Services.Web
             {
                 if (i % 2 == 0)
                 {
-                    result.Add(i + "-" + result[i - 2]);
+                    result.Add($"{i}-{result[i - 2]}");
                 }
                 else
                 {
-                    result.Add(new string(result[i - 2].Reverse().ToArray()) + "-" + i);
+                    result.Add($"{new string(result[i - 2].Reverse().ToArray())}-{i}");
                 }
             }
             return result;

ZeroLevel/ZeroLevel.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <Description>Multi-tool
 </Description>
     <Authors>ogoun</Authors>