using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Runtime.InteropServices;
namespace com.Longle.CommonLibrary.Web
{
public class RequestMachine
{
[DllImport("Iphlpapi.dll")]
private static extern int SendARP(Int32 dest, Int32 host, ref Int64 mac, ref Int32 length);
[DllImport("Ws2_32.dll")]
private static extern Int32 inet_addr(string ip);
public RequestMachine()
{
}
#region 客户端MAC地址
public string HostMAC()
{
//***默认返回IP
string reMac = System.Web.HttpContext.Current.Request.UserHostAddress;
try
{
string userip = System.Web.HttpContext.Current.Request.UserHostAddress;
string strClientIP = System.Web.HttpContext.Current.Request.UserHostAddress.ToString().Trim();
Int32 ldest = inet_addr(strClientIP); //目的地的ip
Int32 lhost = inet_addr(""); //本地服务器的ip
Int64 macinfo = new Int64();
Int32 len = 6;
int res = SendARP(ldest, 0, ref macinfo, ref len);
string mac_src = macinfo.ToString("X");
//****本机localhost访问,直接返回
if (mac_src == "0")
{
//***获取客户端机器名
string[] computername = System.Net.Dns.GetHostEntry(System.Web.HttpContext.Current.Request.ServerVariables["remote_addr"]).HostName.ToString().Split(new Char[] { '.' }); computername[0].ToString();
string clientName = "";
//***存在客户端机器名,获取
if (computername.Length > 0)
{
clientName = computername[0].ToString();
}
else
{
clientName = System.Web.HttpContext.Current.Request.UserHostName.ToString();
}
reMac = clientName;
}
else
{//***非localhost访问,获取客户端IP+MAC地址
while (mac_src.Length < 12)
{
mac_src = mac_src.Insert(0, "0");
}
string mac_dest = "";
for (int i = 0; i < 11; i++)
{
if (0 == (i % 2))
{
if (i == 10)
{
mac_dest = mac_dest.Insert(0, mac_src.Substring(i, 2));
}
else
{
mac_dest = "-" + mac_dest.Insert(0, mac_src.Substring(i, 2));
}
}
}
reMac = mac_dest;
}
}
catch
{//****出错,直接返回客户端IP
reMac = System.Web.HttpContext.Current.Request.UserHostName;
}
return reMac;
}
#endregion
#region 客户端IP地址
public string HostIP()
{
//***默认返回IP
string reMac = System.Web.HttpContext.Current.Request.UserHostAddress;
try
{
string userip = System.Web.HttpContext.Current.Request.UserHostAddress;
string strClientIP = System.Web.HttpContext.Current.Request.UserHostAddress.ToString().Trim();
Int32 ldest = inet_addr(strClientIP); //目的地的ip
Int32 lhost = inet_addr(""); //本地服务器的ip
Int64 macinfo = new Int64();
Int32 len = 6;
int res = SendARP(ldest, 0, ref macinfo, ref len);
string mac_src = macinfo.ToString("X");
//****本机localhost访问,直接返回IP
if (mac_src == "0")
{
//***获取客户端机器IP
reMac = System.Web.HttpContext.Current.Request.UserHostAddress;
}
else
{//***非localhost访问,获取客户端IP
reMac = userip;
}
}
catch
{//****出错,直接返回客户端IP
reMac = System.Web.HttpContext.Current.Request.UserHostAddress;
}
return reMac;
}
#endregion
}
}