write move wall method inside This c# when it reads client input  :

Revit Add-in C# Code:


using System;
using System.IO;
using System.IO.Pipes;
using System.Threading.Tasks;
using Autodesk.Revit.UI;
using Autodesk.Revit.DB;

public class RevitAddIn : IExternalCommand
{
    private static NamedPipeServerStream pipeServer;
    private const string pipeName = “RevitToRLPipe”;

    public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
    {
        // Start the named pipe server in a new thread or as a task to avoid blocking the Revit UI.
        Task.Run(() => 
        {
            try
            {
                using (pipeServer = new NamedPipeServerStream(pipeName, PipeDirection.InOut, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
                {
                    // Wait for a client to connect
                    pipeServer.WaitForConnection();
                    
                    try
                    {
                        using (StreamReader reader = new StreamReader(pipeServer))
                        using (StreamWriter writer = new StreamWriter(pipeServer))
                        {
                            // You can use StreamReader/StreamWriter or BinaryReader/BinaryWriter to read/write data from/to the pipe stream.
                            // Example: Echo what the client sent
                            string clientInput;
                            while ((clientInput = reader.ReadLine()) != null)
                            {
                                writer.WriteLine(clientInput);
                                writer.Flush();
                            }
                        }
                    }
                    catch (IOException e)
                    {
                        // Handle error here
                        TaskDialog.Show(“Pipe Error”, e.Message);
                    }
                }
            }
            catch (Exception ex)
            {
                // Handle error here
                TaskDialog.Show(“Pipe Error”, ex.Message);
            }
        });

        return Result.Succeeded;
    }
}



Python Client Code:


import win32pipe
import win32file
import pywintypes

def connect_to_pipe():
    pipe_name = r’\.\pipe\RevitToRLPipe’
    while True:
        try:
            handle = win32file.CreateFile(
                pipe_name,
                win32file.GENERIC_READ | win32file.GENERIC_WRITE,
                0,
                None,
                win32file.OPEN_EXISTING,
                0,
                None
            )
            break
        except pywintypes.error as e:
            if e.args[0] == 2:
                print(“Pipe is not available, trying again…”)
            elif e.args[0] == 109:
                print(“Pipe closed, exiting.”)
                return

    # Now you can read/write to/from the pipe
    try:
        # Example - Write a message to the server
        message = “Hello from the RL model!\n”
        win32file.WriteFile(handle, message.encode())

        # Example - Read the server’s response
        resp = win32file.ReadFile(handle, 64*1024)
        print(f"Server replied: {resp[1].decode()}")
    finally:
        # Remember to close the handle
        win32file.CloseHandle(handle)

# Execute the connection function
connect_to_pipe()


move method is this:

    [Transaction(TransactionMode.Manual)]
    [Regeneration(RegenerationOption.Manual)]
    public class WallMover : IExternalCommand
    {
        public Result Execute(
            ExternalCommandData commandData,
            ref string message,
            ElementSet elements)
        {
            UIApplication uiApp = commandData.Application;
            Document doc = uiApp.ActiveUIDocument.Document;
            // In a real application, you would get the wall by selection or some other method.
            // For the example purpose, we are fetching the first wall we find.
            //ElementId wallId = 1597039; // Replace with your known ElementId
            //Wall wall = doc.GetElement(wallId) as Wall;
            int elementIdToFind = 1597039;
            ElementId elementId = new ElementId(Convert.ToInt64(elementIdToFind));
            Wall wall = doc.GetElement(elementId) as Wall;
            //Wall wall = new FilteredElementCollector(doc).OfCategory(BuiltInCategory.OST_Walls).WhereElementIsNotElementType().Cast<Wall>().FirstOrDefault();

            if (wall == null)
            {
                message = "No wall found.";
                return Result.Failed;
            }

            bool result = MoveUsingLocationCurve(doc, wall);

            if (result)
            {
                return Result.Succeeded;
            }
            else
            {
                message = "Wall could not be moved.";
                return Result.Failed;
            }
        }

        private bool MoveUsingLocationCurve(Document doc, Wall wall)
        {
            // Check if the wall has a valid location curve
            LocationCurve wallLocationCurve = wall.Location as LocationCurve;
            if (wallLocationCurve == null)
            {
                return false;
            }

            XYZ translationVec = new XYZ(10, 20, 0);

            // Start a new transaction for modifying the document
            using (Transaction trans = new Transaction(doc, "Move Wall"))
            {
                trans.Start();
                try
                {
                    // Perform the move operation
                    wallLocationCurve.Move(translationVec);
                    trans.Commit();
                    return true;
                }
                catch
                {
                    // Abort the transaction in case of any errors
                    trans.RollBack();
                    return false;
                }
            }
        }
    }