From b124c9667f587c597e66bcdcfc34c633eaef6ada Mon Sep 17 00:00:00 2001
From: ti_mo <timo.niemann@campus.tu-berlin.de>
Date: Sat, 21 Feb 2026 23:39:11 +0100
Subject: [PATCH] Connection and sending works

---
 DirectoryScanSender/Program.cs | 48 +++++++++++++++-------------------
 1 file changed, 21 insertions(+), 27 deletions(-)

diff --git a/DirectoryScanSender/Program.cs b/DirectoryScanSender/Program.cs
index c43cd61..d03266c 100644
--- a/DirectoryScanSender/Program.cs
+++ b/DirectoryScanSender/Program.cs
@@ -1,13 +1,15 @@
-using System.Net.Sockets;
+using System.Diagnostics;
+using System.Net.Sockets;
 using System.Text;
 using System.Linq;
 
 namespace DirectoryScanSender;
 
-class FileSender : IDisposable
+internal class FileSender : IDisposable
 {
     private readonly TcpClient _client;
     private readonly NetworkStream _stream;
+
     public FileSender(string host, int port)
     {
         _client = new TcpClient(AddressFamily.InterNetwork);
@@ -18,6 +20,7 @@ class FileSender : IDisposable
     public void Send(byte[] data)
     {
         if (!_client.Connected) return;
+        Console.WriteLine($"Sending {data.Length} bytes");
 
         lock (_stream)
         {
@@ -30,20 +33,21 @@ class FileSender : IDisposable
     {
         _stream.Close();
         _client.Close();
+        GC.SuppressFinalize(this);
     }
 
     ~FileSender() => Dispose();
 }
 
-class DirectoryScanSender : IDisposable
+internal class DirectoryScanSender : IDisposable
 {
     private readonly FileSender _sender;
     private readonly string _initPath;
 
     public DirectoryScanSender(string endpoint, int port, string path)
     {
-        _sender = new FileSender(endpoint, port);
         if(!Directory.Exists(path)) throw new ArgumentException("Path is no directory!");
+        _sender = new FileSender(endpoint, port);
         _initPath = path;
     }
 
@@ -51,7 +55,10 @@ class DirectoryScanSender : IDisposable
     {
         try
         {
-            var data = Encoding.UTF8.GetBytes(path + "\n").Concat(File.ReadAllBytes(path)).ToArray();
+            // pattern: [PATH]|[LENGTH]|[CONTENT]\r\n\r\n
+            var fileContent = new byte[1]; // File.ReadAllBytes(path);
+            for(var i = 0; i < fileContent.Length; i++) if(fileContent[i] == (byte)'\r') fileContent[i] = (byte)' ';
+            var data = Encoding.UTF8.GetBytes(path + "|").Concat(Encoding.UTF8.GetBytes(path.Length + "|")).Concat(fileContent).Concat(Encoding.UTF8.GetBytes("\r\n\r\n")).ToArray();
             _sender.Send(data);
         }
         catch (Exception ex)
@@ -59,30 +66,23 @@ class DirectoryScanSender : IDisposable
             Console.WriteLine(ex.GetType().FullName);
             Console.WriteLine(ex.Message);
             Console.WriteLine(ex.StackTrace);
-            throw;
         }
     }
 
     private void MultiFileParser(string[] filepaths)
     {
-        foreach (var filepath in filepaths)
-        {
-            ParseSingleFile(filepath);
-        }
+        foreach (var filepath in filepaths) ParseSingleFile(filepath);
     }
 
     private void RecursiveWalkerHelper(string path)
     {
         var dirs = Directory.GetDirectories(path);
 
-        ParallelOptions options = new()
-        {
-            MaxDegreeOfParallelism = 20,
-        };
+        ParallelOptions options = new() { MaxDegreeOfParallelism = 20 };
 
         Task.Run(() =>
         {
-            Parallel.ForEach(dirs, options, async (dir) => { RecursiveWalker(dir).GetAwaiter(); });
+            Parallel.ForEach(dirs, options, dir => { RecursiveWalker(dir).GetAwaiter(); });
         });
     }
 
@@ -97,12 +97,10 @@ class DirectoryScanSender : IDisposable
     public void Dispose()
     {
         _sender.Dispose();
+        GC.SuppressFinalize(this);
     }
 
-    ~DirectoryScanSender()
-    {
-        Dispose();
-    }
+    ~DirectoryScanSender() => Dispose();
 }
 
 public static class Program
@@ -110,20 +108,16 @@ public static class Program
     private const string Host = "localhost";
     private const int Port = 7156;
 
-    private static DirectoryScanSender? _directoryScanSender;
-
     public static void Main()
     {
         var desktopPath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
 
         try
         {
-            _directoryScanSender = new DirectoryScanSender(Host, Port, desktopPath);
-            _directoryScanSender.Run().GetAwaiter().GetResult();
-        }
-        catch (Exception ex)
-        {
-            Console.WriteLine(ex.Message);
+            // TODO: Start process to not be dependent on parent lifetime
+            var directoryScanSender = new DirectoryScanSender(Host, Port, desktopPath);
+            directoryScanSender.Run().GetAwaiter().GetResult();
         }
+        catch (Exception ex) { Console.WriteLine(ex.Message); }
     }
 }
\ No newline at end of file