实例介绍
【实例简介】
【实例截图】
【核心代码】
/***************************************************************************************************
*
* Copyright 1998-2003 XiaoCui' Technology Co.,Ltd.
*
* DESCRIPTION:
*
* modification history
* --------------------
* 01a, 12.03.2010, cuiqingwei written
* --------------------
**************************************************************************************************/
/* 著作权所有(C) Edutech〈2009-2010〉〈开发者：崔庆伟〉
本程序为自由软件；您可依据自由软件基金会所发表的GNU通用公共授权条款规定，就本程序再为发布与／或修改；
无论您依据的是本授权的第二版或（您自行选择的）任一日后发行的版本。
本程序是基于使用目的而加以发布，然而不负任何担保责任；亦无对适售性或特定目的适用性所为的默示性担保。
详情请参照GNU通用公共授权。 */
#region 相关引用
using System;
using System.Data;
using System.Text;
using System.Drawing;
using System.Drawing.Printing;
using System.Windows.Forms;
using System.ComponentModel;
using System.Diagnostics;
using System.Collections.Generic;
using Telnet.Properties;
using System.Xml.Serialization;
using System.IO;
using System.Net.Sockets;
using System.Net;
using System.Threading;
#endregion
namespace Telnet
{
#region 公共枚举
public enum DataMode { Text, Hex }
public enum LogMsgType { Incoming, Outgoing, Normal, Warning, Error, Copyright };
#endregion
public partial class frmTelnet : Form
{
#region 本地变量
// The main control for communicating through the telnet port
private Socket socket;
private short[] parsedata = new short[10];
protected bool sw_ugoahead;
protected bool sw_igoahead;
protected bool sw_echo;
protected bool sw_termsent;
// Various colors for logging info
private Color[] LogMsgTypeColor = { Color.Blue, Color.Green, Color.Black, Color.Orange, Color.Red, Color.OrangeRed };
// Temp holder for whether a key was pressed
private bool KeyHandled = false;
private int checkPrint;
#endregion
#region 构造
public frmTelnet()
{
// Build the form
InitializeComponent();
// Restore the users settings
InitializeControlValues();
// Enable/disable controls based on the current state
EnableControls();
IPAddress[] AddressList = Dns.GetHostByName(Dns.GetHostName()).AddressList;
string ip = AddressList[0].ToString();
if (ip != "")
{
this.sbpLocIP.Text = "本地IP地址：" ip;
}
else
{
this.sbpStatus.Text = "无法获得本机IP地址，请检查网络连接";
}
}
#endregion
#region 自定义函数
/// <summary> Save the user's settings. </summary>
private void SaveSettings()
{
Settings.Default.HostIP = txtRemoteAddress.Text;
Settings.Default.Port = txtPort.Text;
Settings.Default.DataMode = CurrentDataMode;
Settings.Default.Save();
}
private void loadAutomationButtonGroupConfig()
{
FileStream stream = new FileStream("Telnet.xml", FileMode.Open);
XmlSerializer serializer = new XmlSerializer(typeof(buttonItemCollection));
this.btnItems = (buttonItemCollection)serializer.Deserialize(stream);
foreach (buttonItem item in this.btnItems.buttonItems)
{
int index = item.buttonID - 1;
if (index < this.automationButtonGroup.Length)
{
Button button = this.automationButtonGroup[index];
button.Text = item.buttonTitle;
Font font = new Font(this.btn1.Font.FontFamily, this.btn1.Font.Size, this.btn1.Font.Style);
SizeF ef = button.CreateGraphics().MeasureString(" " item.buttonTitle " ", font, (SizeF)this.btn1.Size);
button.Width = ((int)ef.Width) * 4;
}
}
stream.Close();
}
/// <summary> Populate the form's controls with default settings. </summary>
private void InitializeControlValues()
{
this.automationButtonGroup = new Button[] { this.btn1, this.btn2, this.btn3, this.btn4, this.btn5, this.btn6,this.btn7,this.btn8};
txtRemoteAddress.Text = Settings.Default.HostIP;
txtPort.Text = Settings.Default.Port.ToString();
CurrentDataMode = Settings.Default.DataMode;
try
{
this.loadAutomationButtonGroupConfig();
}
catch (Exception exception)
{
MessageBox.Show(this, "Automation XML file parser error. Details:" exception.Message, "automation XML parser error", MessageBoxButtons.OK, MessageBoxIcon.Hand);
base.Close();
}
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, 5000);
}
/// <summary> Enable/disable controls based on the app's current state. </summary>
private void EnableControls()
{
// Enable/disable controls based on whether the port is open or not
gbPortSettings.Enabled = !socket.Connected;
gbCustomBtn.Enabled = socket.Connected;
txtSendData.Enabled = btnSend.Enabled = socket.Connected;
if (socket.Connected)
{
btnOpenPort.Text = "&Close Port";
}
else
{
btnOpenPort.Text = "&Open Port";
}
}
/// <summary> Send the user's data currently entered in the 'send' box.</summary>
private void SendData()
{
if (CurrentDataMode == DataMode.Text)
{
// Send the user's text straight out the port
SocketSend(txtSendData.Text);
// Show in the terminal window the user's text
Log(LogMsgType.Outgoing,txtSendData.Text "\n");
}
else
{
try
{
// Convert the user's string of hex digits (ex: B4 CA E2) to a byte array
byte[] data = HexStringToByteArray(txtSendData.Text);
// Send the binary data out the port
SocketSend(data);
// Show the hex digits on in the terminal window
Log(LogMsgType.Outgoing, ByteArrayToHexString(data) "\n");
}
catch (FormatException)
{
// Inform the user if the hex string was not properly formatted
Log(LogMsgType.Error, "Not properly formatted hex string: " txtSendData.Text "\n");
}
}
txtSendData.SelectAll();
}
/// <summary> Log data to the terminal window. </summary>
/// <param name="msgtype"> The type of message to be written. </param>
/// <param name="msg"> The string containing the message to be shown. </param>
private void Log(LogMsgType msgtype, string msg)
{
switch(msgtype)
{
default:
case LogMsgType.Copyright:
rtbConsole.Invoke(new EventHandler(delegate
{
rtbConsole.SelectedText = string.Empty;
rtbConsole.SelectionFont = new Font(rtbConsole.SelectionFont, FontStyle.Bold);
rtbConsole.SelectionColor = LogMsgTypeColor[(int)msgtype];
rtbConsole.AppendText(msg);
rtbConsole.ScrollToCaret();
}));
break;
case LogMsgType.Outgoing:
rtbConsole.Invoke(new EventHandler(delegate
{
rtbConsole.SelectedText = string.Empty;
rtbConsole.SelectionFont = new Font(rtbConsole.SelectionFont, FontStyle.Bold);
rtbConsole.SelectionColor = LogMsgTypeColor[(int)msgtype];
rtbConsole.AppendText(DateTime.Now.ToLongTimeString());
rtbConsole.AppendText(" Tx:");
rtbConsole.AppendText(msg);
rtbConsole.ScrollToCaret();
}));
break;
case LogMsgType.Incoming:
rtbConsole.Invoke(new EventHandler(delegate
{
rtbConsole.SelectedText = string.Empty;
rtbConsole.SelectionFont = new Font(rtbConsole.SelectionFont, FontStyle.Bold);
rtbConsole.SelectionColor = LogMsgTypeColor[(int)msgtype];
rtbConsole.AppendText(DateTime.Now.ToLongTimeString());
rtbConsole.AppendText(" Rx:");
rtbConsole.AppendText(msg);
rtbConsole.AppendText("\n");
rtbConsole.ScrollToCaret();
}));
break;
}
}
/// <summary> Convert a string of hex digits (ex: E4 CA B2) to a byte array. </summary>
/// <param name="s"> The string containing the hex digits (with or without spaces). </param>
/// <returns> Returns an array of bytes. </returns>
private byte[] HexStringToByteArray(string s)
{
s = s.Replace(" ", "");
byte[] buffer = new byte[s.Length / 2];
for (int i = 0; i < s.Length; i = 2)
{
buffer[i / 2] = (byte)Convert.ToByte(s.Substring(i, 2), 16);
}
return buffer;
}
/// <summary> Converts an array of bytes into a formatted string of hex digits (ex: E4 CA B2)</summary>
/// <param name="data"> The array of bytes to be translated into a string of hex digits. </param>
/// <returns> Returns a well formatted string of hex digits with spacing. </returns>
private string ByteArrayToHexString(byte[] data)
{
StringBuilder sb = new StringBuilder(data.Length * 3);
foreach (byte b in data)
{
sb.Append(Convert.ToString(b, 16).PadLeft(2, '0').PadRight(3, ' '));
}
return sb.ToString().ToUpper();
}
#endregion
#region Socket
//向Telnet服务器发送命令
private void SocketSend(string msg)
{
System.Byte[] message = System.Text.Encoding.ASCII.GetBytes(msg.ToCharArray());
socket.Send(message, message.Length, 0);
}
//向Telnet服务器发送命令
private void SocketSend(char[] chr)
{
System.Byte[] message = System.Text.Encoding.ASCII.GetBytes(chr);
socket.Send(message, message.Length, 0);
}
//向Telnet服务器发送数据
private void SocketSend(byte[] data)
{
System.Byte[] message = data;
socket.Send(message, message.Length, 0);
}
//接收数据
private string Receive()
{
//用于接收数据的缓冲
byte[] buf;
string result = "";
int count = socket.Available;
if (count > 0)
{
buf = new byte[count];
socket.Receive(buf);
if (CurrentDataMode == DataMode.Hex)
{
result = ByteArrayToHexString(buf);
}
else
{
result = ProcessOptions(buf);
}
}
return result;
}
#region
#if false
//处理命令字符，buf是包含数据的缓冲
private string ProcessOptions(byte[] buf)
{
string strNormal = "";
int i = 0;
while (i < buf.Length)
{
strNormal = System.Text.Encoding.Default.GetString(buf, i, 1);
i ;
}
return strNormal;
}
#else
#region 常量
const char GO_NORM = (char)0;
const char SUSP = (char)237;
const char ABORT = (char)238;
const char SE = (char)240; //子选项结束Subnegotiation End
const char NOP = (char)241;
const char DM = (char)242; //Data Mark
const char BREAK = (char)243; //BREAK
const char IP = (char)244; //Interrupt Process
const char AO = (char)245; //Abort Output
const char AYT = (char)246; //Are you there
const char EC = (char)247; //Erase character
const char EL = (char)248; //Erase Line
const char GOAHEAD = (char)249; //Go Ahead
const char SB = (char)250; //子选项开始Subnegotiation Begin
const char WILL = (char)251;
const char WONT = (char)252;
const char DO = (char)253;
const char DONT = (char)254;
const char IAC = (char)255;
const char BINARY = (char)0;
const char IS = (char)0;
const char SEND = (char)1;
const char ECHO = (char)1;
const char RECONNECT = (char)2;
const char SGA = (char)3;
const char AMSN = (char)4;
const char STATUS = (char)5;
const char TIMING = (char)6;
const char RCTAN = (char)7;
const char OLW = (char)8;
const char OPS = (char)9;
const char OCRD = (char)10;
const char OHTS = (char)11;
const char OHTD = (char)12;
const char OFFD = (char)13;
const char OVTS = (char)14;
const char OVTD = (char)15;
const char OLFD = (char)16;
const char XASCII = (char)17;
const char LOGOUT = (char)18;
const char BYTEM = (char)19;
const char DET = (char)20;
const char SUPDUP = (char)21;
const char SUPDUPOUT = (char)22;
const char SENDLOC = (char)23;
const char TERMTYPE = (char)24;
const char EOR = (char)25;
const char TACACSUID = (char)26;
const char OUTPUTMARK = (char)27;
const char TERMLOCNUM = (char)28;
const char REGIME3270 = (char)29;
const char X3PAD = (char)30;
const char NAWS = (char)31;
const char TERMSPEED = (char)32;
const char TFLOWCNTRL = (char)33;
const char LINEMODE = (char)34;
const char DISPLOC = (char)35;
const char ENVIRON = (char)36;
const char AUTHENTICATION = (char)37;
const char UNKNOWN39 = (char)39;
const char EXTENDED_OPTIONS_LIST = (char)255;
const char RANDOM_LOSE = (char)256;
const char CR = (char)13; //回车
const char LF = (char)10; //换行
const string BACK = "[P";
#endregion
//处理命令字符，buf是包含数据的缓冲
private string ProcessOptions(byte[] buf)
{
string strNormal = "";
int i = 0;
while (i < buf.Length)
{
if (buf[i] == IAC)
{
switch ((char)buf[ i])
{
case DO:
Console.Write("--------------接收到 DO ");
ProcessDo(buf[ i]);
break;
case DONT:
Console.Write("--------------接收到 DONT ");
ProcessDont(buf[ i]);
break;
case WONT:
Console.Write("--------------接收到 WONT ");
ProcessWont(buf[ i]);
break;
case WILL:
Console.Write("--------------接收到 WILL ");
ProcessWill(buf[ i]);
break;
case IAC:
//正常字符
strNormal = System.Text.Encoding.Default.GetString(buf, i, 1);
break;
case SB:
//子会话开始
int j = 0;
while (buf[ i] != SE)
{
parsedata[j ] = buf[i];
}
//子会话结束:
switch ((char)parsedata[0])
{
case TERMTYPE:
break;
case TERMSPEED:
if (parsedata[1] == 1)
{
Console.WriteLine("发送: SB TERMSPEED 57600,57600");
SocketSend(IAC SB TERMSPEED IS "57600,57600" IAC SE);
}
break;
}
break;
default:
Console.WriteLine("无效的命令" buf[1]);
i ;
break;
};
}
else
{
//正常的文字
strNormal = System.Text.Encoding.Default.GetString(buf, i, 1);
}
i ;
}
return strNormal;
}
private void ProcessDo(short ch)
{
//处理DO，以WILL或者WONT响应
switch ((char)ch)
{
case BINARY:
Console.WriteLine(BINARY);
SocketSend(new char[] { IAC, WONT, BINARY });
Console.WriteLine("发送: WONT BINARY");
break;
case ECHO:
Console.WriteLine(ECHO);
SocketSend(new char[] { IAC, WONT, ECHO });
Console.WriteLine("发送: WONT ECHO");
break;
case SGA:
Console.WriteLine(SGA);
if (!sw_igoahead)
{
SocketSend(new char[] { IAC, WILL, SGA });
Console.WriteLine("发送: WILL SGA");
sw_igoahead = true;
}
else
{
Console.WriteLine("不发送响应");
}
break;
case TERMSPEED:
Console.WriteLine(TERMSPEED);
SocketSend(new char[] { IAC, WILL, TERMSPEED });
Console.WriteLine("发送: WILL TERMSPEED");
SocketSend(IAC SB TERMSPEED (char)0 "57600,57600"
IAC SE);
Console.WriteLine("发送:SB TERMSPEED 57600");
break;
case TFLOWCNTRL:
Console.WriteLine(TFLOWCNTRL);
SocketSend(new char[] { IAC, WONT, TFLOWCNTRL });
Console.WriteLine("发送: WONT TFLOWCNTRL");
break;
case LINEMODE:
Console.WriteLine(LINEMODE);
SocketSend(new char[] { IAC, WONT, LINEMODE });
Console.WriteLine("发送: WONT LINEMODE");
break;
case STATUS:
Console.WriteLine(STATUS);
SocketSend(new char[] { IAC, WONT, STATUS });
Console.WriteLine("发送: WONT STATUS");
break;
case TIMING:
Console.WriteLine(TIMING);
SocketSend(new char[] { IAC, WONT, TIMING });
Console.WriteLine("发送: WONT TIMING");
break;
case DISPLOC:
Console.WriteLine(DISPLOC);
SocketSend(new char[] { IAC, WONT, DISPLOC });
Console.WriteLine("发送: WONT DISPLOC");
break;
case ENVIRON:
Console.WriteLine(ENVIRON);
SocketSend(new char[] { IAC, WONT, ENVIRON });
Console.WriteLine("发送: WONT ENVIRON");
break;
case UNKNOWN39:
Console.WriteLine(UNKNOWN39);
SocketSend(new char[] { IAC, WILL, UNKNOWN39 });
Console.WriteLine("发送: WILL UNKNOWN39");
break;
case AUTHENTICATION:
Console.WriteLine(AUTHENTICATION);
SocketSend(new char[] { IAC, WONT, AUTHENTICATION });
Console.WriteLine("发送: WONT AUTHENTICATION");
Console.WriteLine("发送: SB AUTHENTICATION");
SocketSend(IAC SB AUTHENTICATION (char)0 (char)0 (char)0 (char)0 "" IAC SE);
break;
default:
Console.WriteLine("未知的选项");
break;
}
}
//处理DONT
private void ProcessDont(short ch)
{
switch ((char)ch)
{
case SE:
Console.WriteLine(SE);
Console.WriteLine("接收到: RECEIVED SE");
break;
case ECHO:
Console.WriteLine(ECHO);
if (!sw_echo)
{
sw_echo = true;
SocketSend(new char[] { IAC, WONT, ECHO });
Console.WriteLine("发送: WONT ECHO");
}
break;
case SGA:
Console.WriteLine(SGA);
if (!sw_ugoahead)
{
SocketSend(new char[] { IAC, WONT, SGA });
Console.WriteLine("发送: WONT SGA");
sw_ugoahead = true;
}
break;
case TERMSPEED:
Console.WriteLine(TERMSPEED);
SocketSend(new char[] { IAC, WONT, TERMSPEED });
Console.WriteLine("发送: WONT TERMSPEED");
break;
case TFLOWCNTRL:
Console.WriteLine(TFLOWCNTRL);
SocketSend(new char[] { IAC, WONT, TFLOWCNTRL });
Console.WriteLine("发送: WONT TFLOWCNTRL");
break;
case STATUS:
Console.WriteLine(STATUS);
SocketSend(new char[] { IAC, WONT, STATUS });
Console.WriteLine("发送: WONT STATUS");
break;
case TIMING:
Console.WriteLine(TIMING);
SocketSend(new char[] { IAC, WONT, TIMING });
Console.WriteLine("发送: WONT TIMING");
break;
case DISPLOC:
Console.WriteLine(DISPLOC);
SocketSend(new char[] { IAC, WONT, DISPLOC });
Console.WriteLine("发送: WONT DISPLOC");
break;
case ENVIRON:
Console.WriteLine(ENVIRON);
SocketSend(new char[] { IAC, WONT, ENVIRON });
Console.WriteLine("发送: WONT ENVIRON");
break;
case UNKNOWN39:
Console.WriteLine(UNKNOWN39);
SocketSend(new char[] { IAC, WILL, UNKNOWN39 });
Console.WriteLine("发送: WILL UNKNOWN39");
break;
default:
break;
}
}
//处理WONT
private void ProcessWont(short ch)
{
switch ((char)ch)
{
case ECHO:
Console.WriteLine(ECHO);
if (sw_echo)
{
sw_echo = false;
SocketSend(new char[] { IAC, DONT, ECHO });
Console.WriteLine("发送: DONT ECHO");
}
break;
case SGA:
Console.WriteLine(SGA);
SocketSend(new char[] { IAC, DONT, SGA });
Console.WriteLine("发送: DONT SGA");
sw_igoahead = false;
break;
case TERMSPEED:
Console.WriteLine(TERMSPEED);
SocketSend(new char[] { IAC, DONT, TERMSPEED });
Console.WriteLine("发送: DONT TERMSPEED");
break;
case TFLOWCNTRL:
Console.WriteLine(TFLOWCNTRL);
SocketSend(new char[] { IAC, DONT, TFLOWCNTRL });
Console.WriteLine("发送: DONT TFLOWCNTRL");
break;
case LINEMODE:
Console.WriteLine(LINEMODE);
SocketSend(new char[] { IAC, DONT, LINEMODE });
Console.WriteLine("发送: DONT LINEMODE");
break;
case STATUS:
Console.WriteLine(STATUS);
SocketSend(new char[] { IAC, DONT, STATUS });
Console.WriteLine("发送: DONT STATUS");
break;
case TIMING:
Console.WriteLine(TIMING);
SocketSend(new char[] { IAC, WONT, TIMING });
Console.WriteLine("发送: WONT TIMING");
break;
case DISPLOC:
Console.WriteLine(DISPLOC);
SocketSend(new char[] { IAC, DONT, DISPLOC });
Console.WriteLine("发送: DONT DISPLOC");
break;
case ENVIRON:
Console.WriteLine(ENVIRON);
SocketSend(new char[] { IAC, DONT, ENVIRON });
Console.WriteLine("发送: DONT ENVIRON");
break;
case UNKNOWN39:
Console.WriteLine(UNKNOWN39);
SocketSend(new char[] { IAC, DONT, UNKNOWN39 });
Console.WriteLine("发送: DONT UNKNOWN39");
break;
default:
Console.WriteLine("未知的选项");
break;
}
}
//处理WILL，以DO或者DONT响应
private void ProcessWill(short ch)
{
switch ((char)ch)
{
case ECHO:
Console.WriteLine(ECHO);
if (!sw_echo)
{
sw_echo = true;
SocketSend(new char[] { IAC, DO, ECHO });
Console.WriteLine("发送: DO ECHO");
}
break;
case SGA:
Console.WriteLine(SGA);
if (!sw_ugoahead)
{
SocketSend(new char[] { IAC, DO, SGA });
Console.WriteLine("发送: DO SGA");
sw_ugoahead = true;
}
else
{
Console.WriteLine("不发送响应");
}
break;
case TERMTYPE:
Console.WriteLine("TERMTYPE");
if (!sw_termsent)
{
SocketSend(new char[] { IAC, WILL, TERMTYPE });
SocketSend(IAC SB TERMTYPE (char)0 "VT100" IAC SE);
sw_termsent = true;
Console.WriteLine("发送: SB TERMTYPE VT100");
}
break;
case TERMSPEED:
Console.WriteLine(TERMSPEED);
SocketSend(new char[] { IAC, DONT, TERMSPEED });
Console.WriteLine("发送: DONT TERMSPEED");
break;
case TFLOWCNTRL:
Console.WriteLine(TFLOWCNTRL);
SocketSend(new char[] { IAC, DONT, TFLOWCNTRL });
Console.WriteLine("发送: DONT TFLOWCNTRL");
break;
case LINEMODE:
Console.WriteLine(LINEMODE);
SocketSend(new char[] { IAC, WONT, LINEMODE });
Console.WriteLine("发送: WONT LINEMODE");
break;
case STATUS:
Console.WriteLine(STATUS);
SocketSend(new char[] { IAC, DONT, STATUS });
Console.WriteLine("发送: DONT STATUS");
break;
case TIMING:
Console.WriteLine(TIMING);
SocketSend(new char[] { IAC, DONT, TIMING });
Console.WriteLine("发送: DONT TIMING");
break;
case DISPLOC:
Console.WriteLine(DISPLOC);
SocketSend(new char[] { IAC, DONT, DISPLOC });
Console.WriteLine("发送: DONT DISPLOC");
break;
case ENVIRON:
Console.WriteLine(ENVIRON);
SocketSend(new char[] { IAC, DONT, ENVIRON });
Console.WriteLine("发送: DONT ENVIRON");
break;
case UNKNOWN39:
Console.WriteLine(UNKNOWN39);
SocketSend(new char[] { IAC, DONT, UNKNOWN39 });
Console.WriteLine("发送: DONT UNKNOWN39");
break;
default:
Console.WriteLine("未知的选项");
break;
}
}
#endif
#endregion
private void TelnetThread()
{
while (socket.Connected)
{
try
{
string str = Receive();
str = str.Replace("\0", "");
string delim = "\b";
str = str.Trim(delim.ToCharArray());
if (str.Length > 0)
{
Console.WriteLine(str);
if (str == OUTPUTMARK BACK)
{
//BackupSpace键处理
this.rtbConsole.ReadOnly = false;
int curpos = rtbConsole.SelectionStart;
this.rtbConsole.Select(curpos - 1, 1);
this.rtbConsole.SelectedText = "";
this.rtbConsole.ReadOnly = true;
}
else
{
Log(LogMsgType.Incoming, str);
}
}
Thread.Sleep(100);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
this.sbpStatus.Text = "状态：已断开";
}
private void Connect()
{
sw_igoahead = false;
sw_ugoahead = true;
sw_igoahead = false;
sw_echo = true;
sw_termsent = false;
Console.WriteLine("连接服务器" txtRemoteAddress.Text "...");
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, 5000);
IPAddress ipAdd = IPAddress.Parse(txtRemoteAddress.Text);
int port = System.Convert.ToInt32(txtPort.Text);
IPEndPoint hostEndPoint = new IPEndPoint(ipAdd, port);
try
{
socket.Connect(hostEndPoint);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
this.sbpStatus.Text = "状态：服务器未准备好";
return;
}
if (socket.Connected)
{
//更新状态
this.sbpStatus.Text = "状态：已连接";
this.sbpHost.Text = "服务器地址：" txtRemoteAddress.Text;
Thread thread = new Thread(new ThreadStart(this.TelnetThread));
thread.Start();
Control.CheckForIllegalCrossThreadCalls = false;
}
}
private void Disconnect()
{
if (socket != null && socket.Connected)
{
socket.Shutdown(SocketShutdown.Both);
socket.Close();
}
this.sbpStatus.Text = "状态：断开连接...";
}
#endregion
#region 属性
private DataMode CurrentDataMode
{
get
{
if (rbHex.Checked)
{
return DataMode.Hex;
}
else
{
return DataMode.Text;
}
}
set
{
if (value == DataMode.Text)
{
rbText.Checked = true;
}
else
{
rbHex.Checked = true;
}
}
}
#endregion
#region 事件处理程序
private void lnkAbout_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
// Show the user the about dialog
(new frmAbout()).ShowDialog(this);
}
private void linkUserGuide_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
e.Link.Visited = true;
Process.Start("http://www.educationtek.com/download/Telnet%20User%20Guide.htm");
}
private void pbLogo_Click(object sender, EventArgs e)
{
System.Diagnostics.Process.Start("http://www.educationtek.com/");
}
private void frmTelnet_Shown(object sender, EventArgs e)
{
this.Log(LogMsgType.Copyright, string.Format("{0} v{1} Started at {2}\n", Application.ProductName, Application.ProductVersion, DateTime.Now));
this.Log(LogMsgType.Copyright, "Copyright \x00a9 2009-2010 www.educationtek.com All Right Reserved.\n");
}
private void frmTelnet_FormClosing(object sender, FormClosingEventArgs e)
{
// The form is closing, save the user's preferences
SaveSettings();
}
private void rbText_CheckedChanged(object sender, EventArgs e)
{
if (rbText.Checked)
{
CurrentDataMode = DataMode.Text;
}
}
private void rbHex_CheckedChanged(object sender, EventArgs e)
{
if (rbHex.Checked)
{
CurrentDataMode = DataMode.Hex;
}
}
private void btnOpenPort_Click(object sender, EventArgs e)
{
// If the port is open, close it.
if (socket.Connected)
{
this.Disconnect();
}
else
{
rtbConsole.Clear();
// Open the port
this.Connect();
}
// Change the state of the form's controls
EnableControls();
// If the port is open, send focus to the send data box
if (socket.Connected)
{
txtSendData.Focus();
}
}
private void btnSend_Click(object sender, EventArgs e)
{
SendData();
}
private void txtSendData_KeyDown(object sender, KeyEventArgs e)
{
// If the user presses [ENTER], send the data now
if (KeyHandled = e.KeyCode == Keys.Enter)
{
e.Handled = true;
SendData();
}
}
private void txtSendData_KeyPress(object sender, KeyPressEventArgs e)
{
e.Handled = KeyHandled;
}
#endregion
#region 打印
private void btnExportLog_Click(object sender, EventArgs e)
{
SaveFileDialog dialog = new SaveFileDialog();
dialog.Filter = "LogFile(*.txt)|*.txt|All Files|*.*";
dialog.FilterIndex = 1;
dialog.RestoreDirectory = true;
dialog.AddExtension = true;
dialog.InitialDirectory = Path.Combine(Application.StartupPath, "log");
dialog.DefaultExt = "txt";
dialog.Title = "Select export Logfile path and name";
if ((dialog.ShowDialog() == DialogResult.OK) && !File.Exists(dialog.FileName))
{
TextWriter writer = new StreamWriter(dialog.FileName);
string str = this.rtbConsole.Text.ToString().Replace("\n", "\r\n");
writer.WriteLine(str);
writer.Close();
Process.Start("notepad", dialog.FileName);
}
}
private void btnPageSetup_Click(object sender, EventArgs e)
{
this.pageSetupDialog1.Document = printDocument1;
this.pageSetupDialog1.ShowDialog();
}
private void btnPrintPreview_Click(object sender, EventArgs e)
{
this.printPreviewDialog1.ShowDialog();
}
private void btnPrint_Click(object sender, EventArgs e)
{
if (this.printDialog1.ShowDialog() == DialogResult.OK)
{
this.printDocument1.Print();
}
}
private void printDocument1_BeginPrint(object sender, PrintEventArgs e)
{
this.checkPrint = 0;
}
private void printDocument1_PrintPage(object sender, PrintPageEventArgs e)
{
this.checkPrint = rtbConsole.Print(this.checkPrint, this.rtbConsole.TextLength, e);
if (this.checkPrint < this.rtbConsole.TextLength)
{
e.HasMorePages = true;
}
else
{
e.HasMorePages = false;
}
}
private void btnClear_Click(object sender, EventArgs e)
{
rtbConsole.Clear();
}
#endregion
#region 自定义按钮操作
private void customBtn_click(int buttonIndex)
{
if (!socket.Connected)
{
this.Log(LogMsgType.Error, "Error: you need to Open Telnet Port first.\n");
}
else
{
buttonItem item = this.btnItems.buttonItems[buttonIndex - 1];
if (item.buttonID == buttonIndex)
{
if (string.Compare(item.isCopyOrSend, "Copy", true) == 0)
{
this.txtSendData.Text = item.txString;
if (string.Compare(item.isHexOrAscii, "Ascii", true) == 0)
{
this.rbText.Checked = true;
}
else
{
this.rbHex.Checked = true;
}
}
else if (string.Compare(item.isHexOrAscii, "Ascii", true) == 0)
{
this.rbText.Checked = true;
SocketSend(item.txString);
this.Log(LogMsgType.Outgoing, item.txString "\n");
}
else
{
try
{
this.rbHex.Checked = true;
byte[] buffer = this.HexStringToByteArray(item.txString);
SocketSend(buffer);
this.Log(LogMsgType.Outgoing, this.ByteArrayToHexString(buffer) "\n");
}
catch (FormatException)
{
this.Log(LogMsgType.Error, "Not properly formatted hex string: " item.txString "\n");
}
}
}
}
}
private void btn1_Click(object sender, EventArgs e)
{
this.customBtn_click(1);
}
private void btn2_Click(object sender, EventArgs e)
{
this.customBtn_click(2);
}
private void btn3_Click(object sender, EventArgs e)
{
this.customBtn_click(3);
}
private void btn4_Click(object sender, EventArgs e)
{
this.customBtn_click(4);
}
private void btn5_Click(object sender, EventArgs e)
{
this.customBtn_click(5);
}
private void btn6_Click(object sender, EventArgs e)
{
this.customBtn_click(6);
}
private void btn7_Click(object sender, EventArgs e)
{
this.customBtn_click(7);
}
private void btn8_Click(object sender, EventArgs e)
{
this.customBtn_click(8);
}
#endregion
}
}
/*-------------------------------------------------------------------------------------------------
0ooo
ooo0 ( )
( ) ) /
\ ( (_/
\_) By:cuiqingwei [gary]
--------------------------------------------------------------------------------------------------*/
标签： tcp
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