| 发表于：2007-03-09 09:07:44 楼主 |
using system;
using system.drawing;
using system.collections;
using system.componentmodel;
using system.windows.forms;
using system.data;
using system.net;
using system.net.sockets;
using system.threading;
using system.runtime.interopservices;
namespace ftpserver
{
/// <summary>
/// form1 的摘要说明。
/// </summary>
public class ftpserverform : system.windows.forms.form
{
private system.windows.forms.groupbox groupbox1;
private system.windows.forms.label label1;
private system.windows.forms.label label2;
private system.windows.forms.button btnstop;
private system.windows.forms.button btnstart;
private system.windows.forms.listbox lbclients;
private system.windows.forms.textbox tbsocketport;
private system.windows.forms.textbox tbclientsnum;
public const string rootdir = "c:\\ ";
//服务器可以支持最多的连接数
public const int maxnum = 100;
//clients 数组保存当前在线
//internal 允许同一个命名空间中的类访问
// hashtable 表示键/值对的集合，这些键/值对根据键的哈希代码进行组织。
internal static hashtable client = new hashtable（);
//该服务器默认的监听端口号
public tcplistener tcplistener;
//开始服务的标志
internal static bool socketserviceflag = false;
//服务器的ip地址
internal string ip;
internal int port;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private system.componentmodel.container components = null;
public ftpserverform（)
{
//
// windows 窗体设计器支持所必需的
//
initializecomponent（);
//
// todo: 在 initializecomponent 调用后添加任何构造函数代码
//
}
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void dispose（ bool disposing )
{
if（ disposing )
{
if （components != null)
{
components.dispose（);
}
}
base.dispose（ disposing );
}
#region windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void initializecomponent（)
{
this.groupbox1 = new system.windows.forms.groupbox（);
this.lbclients = new system.windows.forms.listbox（);
this.label1 = new system.windows.forms.label（);
this.label2 = new system.windows.forms.label（);
this.tbsocketport = new system.windows.forms.textbox（);
this.tbclientsnum = new system.windows.forms.textbox（);
this.btnstart = new system.windows.forms.button（);
this.btnstop = new system.windows.forms.button（);
this.groupbox1.suspendlayout（);
this.suspendlayout（);
//
// groupbox1
//
this.groupbox1.controls.add（this.btnstop);
this.groupbox1.controls.add（this.btnstart);
this.groupbox1.controls.add（this.tbclientsnum);
this.groupbox1.controls.add（this.tbsocketport);
this.groupbox1.controls.add（this.label2);
this.groupbox1.controls.add（this.label1);
this.groupbox1.controls.add（this.lbclients);
this.groupbox1.location = new system.drawing.point（8, 8);
this.groupbox1.name = "groupbox1 ";
this.groupbox1.size = new system.drawing.size（472, 472);
this.groupbox1.tabindex = 0;
this.groupbox1.tabstop = false;
this.groupbox1.text = "ftp服务器设置 ";
this.groupbox1.enter += new system.eventhandler（this.groupbox1_enter);
//
// lbclients
//
this.lbclients.itemheight = 12;
this.lbclients.location = new system.drawing.point（8, 16);
this.lbclients.name = "lbclients ";
this.lbclients.size = new system.drawing.size（224, 436);
this.lbclients.tabindex = 0;
//
// label1
//
this.label1.location = new system.drawing.point（248, 46);
this.label1.name = "label1 ";
this.label1.tabindex = 1;
this.label1.text = "socket端口号: ";
//
// label2
//
this.label2.location = new system.drawing.point（248, 96);
this.label2.name = "label2 ";
this.label2.tabindex = 2;
this.label2.text = "当前在线用户: ";
//
// tbsocketport
//
this.tbsocketport.borderstyle = system.windows.forms.borderstyle.fixedsingle;
this.tbsocketport.location = new system.drawing.point（360, 48);
this.tbsocketport.name = "tbsocketport ";
this.tbsocketport.tabindex = 3;
this.tbsocketport.text = "21 ";
this.tbsocketport.textchanged += new system.eventhandler（this.tbsocketport_textchanged);
//
// tbclientsnum
//
this.tbclientsnum.borderstyle = system.windows.forms.borderstyle.fixedsingle;
this.tbclientsnum.location = new system.drawing.point（360, 96);
this.tbclientsnum.name = "tbclientsnum ";
this.tbclientsnum.tabindex = 4;
this.tbclientsnum.text = " ";
//
// btnstart
//
this.btnstart.location = new system.drawing.point（264, 168);
this.btnstart.name = "btnstart ";
this.btnstart.size = new system.drawing.size（184, 24);
this.btnstart.tabindex = 5;
this.btnstart.text = "启动ftp服务器 ";
this.btnstart.click += new system.eventhandler（this.btnstart_click);
//
// btnstop
//
this.btnstop.location = new system.drawing.point（264, 216);
this.btnstop.name = "btnstop ";
this.btnstop.size = new system.drawing.size（184, 24);
this.btnstop.tabindex = 6;
this.btnstop.text = "停止ftp服务器 ";
//
// ftpserverform
//
this.autoscalebasesize = new system.drawing.size（6, 14);
this.clientsize = new system.drawing.size（488, 485);
this.controls.add（this.groupbox1);
this.maximumsize = new system.drawing.size（496, 512);
this.name = "ftpserverform ";
this.startposition = system.windows.forms.formstartposition.centerscreen;
this.text = "sever--u ";
this.windowstate = system.windows.forms.formwindowstate.maximized;
this.load += new system.eventhandler（this.ftpserverform_load);
this.groupbox1.resumelayout（false);
this.resumelayout（false);
}
#endregion
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[stathread]
static void main（)
{
application.run（new ftpserverform（));
}
private void groupbox1_enter（object sender, system.eventargs e)
{
}
private void ftpserverform_load（object sender, system.eventargs e)
{
}
private void tbsocketport_textchanged（object sender, system.eventargs e)
{
this.btnstart.enabled = （this.tbsocketport.text != " ");
}
public void btnstart_click（object sender, system.eventargs e)
{
console.writeline（ "ftp服务器启动....... ");
port = getvalidport（tbsocketport.text);
if（port <0)
{
return;
}
//获取本机局域网ip地址
ipaddress[] addresslist = dns.gethostbyname（dns.gethostname（)).addresslist;
if（addresslist.length> 0)
{
ip = addresslist[0].tostring（);
try
{
ipaddress ipadd = ipaddress.parse（ip);
//创建服务器套节字
tcplistener = new tcplistener（ipadd,port);
//开始监听服务器端口
tcplistener.start（);
//启动一个新的线程,执行方法this.startsocketlisten;
//以便在一个独立的进程中执行确认与客户端socket连接的操作
ftpserverform.socketserviceflag = true;
thread thread = new thread（new threadstart（this.startsocketlisten));
thread.start（);
this.btnstart.enabled = false;
this.btnstop.enabled = true;
this.tbsocketport.enabled = false;
}
catch（exception ex)
{
console.writeline（ "不能启动服务器 "+ex.tostring（));
messagebox.show（ex.message, " ");
}
}
}
private void startsocketlisten（)
{
//暂时无内容
}
private int getvalidport（string port)
{
int lport;
try
{
if（port == " ")
{
throw new argumentexception（ "端口为空,不能启动服务器 ");
}
lport = system.convert.toint32（port);
}
catch（exception e)
{
console.writeline（ "无效的端口号: "+e.tostring（));
return -1;
}
return lport;
}
}
}
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