Add project files.

BotExtPipe.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.IO.Pipes;
+
+namespace BotBridge;
+
+internal class BotExtPipe
+{
+    private readonly NamedPipeServerStream _pipeServerStream;
+
+    public BotExtPipe(string pipeName)
+    {
+        _pipeServerStream = new NamedPipeServerStream(pipeName, PipeDirection.InOut, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous);
+    }
+
+    public void WaitForConnection()
+    {
+        _pipeServerStream.WaitForConnection();
+    }
+
+    public byte[] ReadData()
+    {
+        int messageLength = BitConverter.ToInt32(ReadBytes(_pipeServerStream, 4), 0);
+        return ReadBytes(_pipeServerStream, messageLength);
+    }
+
+    public void WriteData(byte[] data)
+    {
+        byte[] dateLength = BitConverter.GetBytes(data.Length);
+        _pipeServerStream.Write(dateLength, 0, dateLength.Length);
+        _pipeServerStream.Write(data, 0, data.Length);
+    }
+
+
+    private static byte[] ReadBytes(NamedPipeServerStream pipeServerStream, int bytesToRead)
+    {
+        byte[] buffer = new byte[bytesToRead];
+        int bytesRead = 0;
+        int totalBytesRead = 0;
+        do
+        {
+            bytesRead = pipeServerStream.Read(buffer, totalBytesRead, bytesToRead - totalBytesRead);
+            totalBytesRead += bytesRead;
+        } while (bytesRead > 0 && totalBytesRead < bytesToRead);
+        return buffer;
+    }
+
+}