C#

John Simmons / outlaw programmer wrote:

and it's absolutely tits

Pete O'Hanlon wrote:

We use it to hive off our Tcp processing, and it just works

private void PacketReceivedCallback(IAsyncResult result)
{
    IOClient client = (IOClient)result.AsyncState;

    int bytesRead = client.Socket.EndReceive(result);

    if (bytesRead != 0)
    {
        lock (clientLock)
        {
            StringBuilder sb = new StringBuilder();

            if (client.IncompleatePacket.Length > 0)
            {
                sb = client.IncompleatePacket;
            }

            foreach (byte CurrentByte in client.ReadBuffer)
            {
                if (CurrentByte == EmptyByte)
                {
                    continue;
                }

                if (CurrentByte == PacketTerminator)
                {
                    PacketReceived(client, sb.ToString());
                    bytesReceived += sb.ToString().Length;

                    BroadcastPacket(sb.ToString(), client);

                    sb = new StringBuilder();
                    client.IncompleatePacket = new StringBuilder();
                }

                if (CurrentByte != EmptyByte && CurrentByte != PacketTerminator)
                {
                    sb.Append((char)CurrentByte);
                }
            }

            if (sb.Length > 0)
            {
                client.IncompleatePacket.Append(sb.ToString());
            }
        }
        client.Socket.BeginReceive(client.ReadBuffer, 0, client.ReadBuffer.Length, SocketFlags.None, 
                                   new AsyncCallback(PacketReceivedCallback), client);
    }
    else
    {
        CloseConnection(client);
    }
}

Luc Pattyn wrote:

2.
Your code is silently converting incoming bytes into chars into strings. That may be fine, however in general TCP/IP transports binary data. It is up to the application layers to decide what that data represents. You probably are aware of all this, but I wanted to say it explicitly just in case.

Harvey Saayman wrote:

I'll shove the entire piece of data into a collection of some type

My girlfriend says in the background:

Oh my gosh you guys should learn when to switch off

b0 = (byte)length;
b1 = (byte)(length >> 8);
b2 = (byte)(length >> 16);
b3 = (byte)(length >> 24);

pictureBox1.SendToBack();

pictureBox1.Name = "pictureBox1";

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace KVzoekscherm
{
    public partial class runtimeobject : Form
    {
        Button button1;
        Button button2;
        Bitmap image1;
        PictureBox pictureBox1;

        public runtimeobject()
        {
            InitializeComponent();
        }

        //Deze functie roept hij op wanneer hij over de (grote) picturebox gaat
        private void pbMaak_Click(object sender, EventArgs e)
        {
            pictureBox1 = new PictureBox();
            pictureBox1.Name = "pictureBox1";
            pictureBox1.BringToFront();
            pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
            pictureBox1.BorderStyle = BorderStyle.None;
            pictureBox1.ClientSize = new Size(15, 15);
            pictureBox1.Location = new System.Drawing.Point(50, 50);
            pictureBox1.Cursor = Cursors.Hand;
            pictureBox1.Anchor = AnchorStyles.Top | AnchorStyles.Right;
            pictureBox1.TabIndex = 28;

            image1 = new Bitmap(Properties.Resources.edit_gray);
            pictureBox1.Image = (Image)image1;

            pictureBox1.Click += new EventHandler(editclick);
            pictureBox1.MouseLeave += new EventHandler(editleave);
            pictureBox1.MouseEnter += new EventHandler(editenter);
            this.Controls.Add(pictureBox1);
        }

        private void editenter(object sender, EventArgs e)
        {
            image1 = new Bitmap(Properties.Resources.edit_color);
            pictureBox1.Image = (Image)image1;
        }

        private void editleave(object sender, EventArgs e)
        {
            image1 = new Bitmap(Properties.Resources.edit_gray);
            pictureBox1.Image = (Image)image1;
        }

        private void editclick(object sender, EventArgs e)
        {
            MessageBox.Show("Clicked");
        }

        private void runtimeobject_Load(object sender, EventArgs e)
        {

        }

        private void pbMaak_Click_1(object sender, EventArgs e)
        {

        }
    }
}