Subversion Repositories general

using System;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Net;
using System.Text;
using System.Windows.Forms;

namespace TCPproxy
{
    public class ListenForm : Form
    {
                private int       listenPort;
                private string    resendHost;
                private IPAddress resendIp;
                private int       resendPort;

        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;
        private Button startButton;
        private Label label2;
        private Label label1;
        private TextBox resendPortBox;
        private TextBox resendHostBox;
        private TextBox listenPortBox;
                private Button cancelButton;

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
                        this.startButton = new Button();
                        this.label2 = new Label();
                        this.label1 = new Label();
                        this.resendPortBox = new TextBox();
                        this.resendHostBox = new TextBox();
                        this.listenPortBox = new TextBox();
                        this.cancelButton = new Button();
                        this.SuspendLayout();
                        //
                        // startButton
                        //
                        this.startButton.Location = new System.Drawing.Point(136, 62);
                        this.startButton.Name = "startButton";
                        this.startButton.Size = new System.Drawing.Size(75, 23);
                        this.startButton.TabIndex = 12;
                        this.startButton.Text = "Listen";
                        this.startButton.Click += new System.EventHandler(this.startButton_Click);
                        //
                        // label2
                        //
                        this.label2.AutoSize = true;
                        this.label2.Location = new System.Drawing.Point(12, 35);
                        this.label2.Name = "label2";
                        this.label2.Size = new System.Drawing.Size(56, 13);
                        this.label2.TabIndex = 10;
                        this.label2.Text = "Resend to";
                        //
                        // label1
                        //
                        this.label1.AutoSize = true;
                        this.label1.Location = new System.Drawing.Point(12, 9);
                        this.label1.Name = "label1";
                        this.label1.Size = new System.Drawing.Size(71, 13);
                        this.label1.TabIndex = 7;
                        this.label1.Text = "Listen on port";
                        //
                        // resendPortBox
                        //
                        this.resendPortBox.Location = new System.Drawing.Point(220, 32);
                        this.resendPortBox.Name = "resendPortBox";
                        this.resendPortBox.Size = new System.Drawing.Size(72, 20);
                        this.resendPortBox.TabIndex = 9;
                        //
                        // resendHostBox
                        //
                        this.resendHostBox.Location = new System.Drawing.Point(114, 32);
                        this.resendHostBox.Name = "resendHostBox";
                        this.resendHostBox.Size = new System.Drawing.Size(100, 20);
                        this.resendHostBox.TabIndex = 8;
                        //
                        // listenPortBox
                        //
                        this.listenPortBox.Location = new System.Drawing.Point(114, 6);
                        this.listenPortBox.Name = "listenPortBox";
                        this.listenPortBox.Size = new System.Drawing.Size(100, 20);
                        this.listenPortBox.TabIndex = 6;
                        //
                        // cancelButton
                        //
                        this.cancelButton.DialogResult = DialogResult.Cancel;
                        this.cancelButton.Location = new System.Drawing.Point(217, 62);
                        this.cancelButton.Name = "cancelButton";
                        this.cancelButton.Size = new System.Drawing.Size(75, 23);
                        this.cancelButton.TabIndex = 13;
                        this.cancelButton.Text = "Cancel";
                        //
                        // ListenForm
                        //
                        this.AcceptButton = this.startButton;
                        this.CancelButton = this.cancelButton;
                        this.ClientSize = new System.Drawing.Size(301, 91);
                        this.Controls.Add(this.cancelButton);
                        this.Controls.Add(this.startButton);
                        this.Controls.Add(this.label2);
                        this.Controls.Add(this.label1);
                        this.Controls.Add(this.resendPortBox);
                        this.Controls.Add(this.resendHostBox);
                        this.Controls.Add(this.listenPortBox);
                        this.FormBorderStyle = FormBorderStyle.FixedDialog;
                        this.MaximizeBox = false;
                        this.MinimizeBox = false;
                        this.Name = "ListenForm";
                        this.ShowInTaskbar = false;
                        this.StartPosition = FormStartPosition.CenterParent;
                        this.Text = "TCPproxy - Start Listening";
                        this.ResumeLayout(false);
                        this.PerformLayout();
        }

        #endregion

        public ListenForm()
        {
            InitializeComponent();
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

                public bool Execute(Form owner,
                        ref int listenPort, ref string resendHost, out IPAddress resendIp, ref int resendPort)
                {
                        listenPortBox.Text = (listenPort == 0) ? "" : listenPort.ToString();
                        resendHostBox.Text = resendHost;
                        resendPortBox.Text = (resendPort == 0) ? "" : resendPort.ToString();

                        if(this.ShowDialog(owner) != DialogResult.OK) {
                                resendIp = null;
                                return false;
                        }

                        listenPort = this.listenPort;
                        resendHost = this.resendHost;
                        resendIp   = this.resendIp;
                        resendPort = this.resendPort;

                        return true;
                }

                private void startButton_Click(object sender, EventArgs e)
                {
                        // parse listen port
                        try
                        {
                                listenPort = int.Parse(listenPortBox.Text);
                        }
                        catch(FormatException)
                        {
                                MessageBox.Show("Listen port must be an integer number", "TCPproxy",
                                        MessageBoxButtons.OK, MessageBoxIcon.Error);
                                return;
                        }

                        // get resend host
                        try
                        {
                                resendIp = HostUtils.ResendHostToIp(resendHostBox.Text);
                        }
                        catch(Exception ex)
                        {
                                MessageBox.Show("Cannot get host IP: " + ex.Message, "TCPproxy",
                                        MessageBoxButtons.OK, MessageBoxIcon.Error);
                                return;
                        }
                        resendHost = resendHostBox.Text;

                        // parse resend port
                        try
                        {
                                resendPort = int.Parse(resendPortBox.Text);
                        }
                        catch(FormatException)
                        {
                                MessageBox.Show("Resend port must be an integer number", "TCPproxy",
                                        MessageBoxButtons.OK, MessageBoxIcon.Error);
                                return;
                        }

                        this.DialogResult = DialogResult.OK;
                        this.Close();
                }
    }
}