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();

		}

    }

}