我现在想做一个程序,用于监控连接到某台服务器上的客户端,并且可以关闭某一个客户端不允许接入。
简单来说客户端用C/S程序,通过webService远程连接到IP为192.168.1.1的服务器上,现在我想多开发
一个C/S或者B/S的在线管理程序监听或者控制接入192.168.1.1服务器的客户端,如果我发现某个非法的
客户端,我可以将其断开,那么被我断开的客户马上提示中断并无法连接到服务器上。
各位如果有人知道怎么做,用什么方法来做请告诉我,我因为这个问题困扰很久很久了。谢谢!
简单来说客户端用C/S程序,通过webService远程连接到IP为192.168.1.1的服务器上,现在我想多开发
一个C/S或者B/S的在线管理程序监听或者控制接入192.168.1.1服务器的客户端,如果我发现某个非法的
客户端,我可以将其断开,那么被我断开的客户马上提示中断并无法连接到服务器上。
各位如果有人知道怎么做,用什么方法来做请告诉我,我因为这个问题困扰很久很久了。谢谢!
using System;
using System.Text;
using System.IO;
using System.Net;
using System.Net.Sockets;public class GetSocket
{
private static Socket ConnectSocket(string server, int port)
{
Socket s = null;
IPHostEntry hostEntry = null; // Get host related information.
hostEntry = Dns.GetHostEntry(server); // Loop through the AddressList to obtain the supported AddressFamily. This is to avoid
// an exception that occurs when the host IP Address is not compatible with the address family
// (typical in the IPv6 case).
foreach(IPAddress address in hostEntry.AddressList)
{
IPEndPoint ipe = new IPEndPoint(address, port);
Socket tempSocket =
new Socket(ipe.AddressFamily, SocketType.Stream, ProtocolType.Tcp); tempSocket.Connect(ipe); if(tempSocket.Connected)
{
s = tempSocket;
break;
}
else
{
continue;
}
}
return s;
} // This method requests the home page content for the specified server.
private static string SocketSendReceive(string server, int port)
{
string request = "GET / HTTP/1.1\r\nHost: " + server +
"\r\nConnection: Close\r\n\r\n";
Byte[] bytesSent = Encoding.ASCII.GetBytes(request);
Byte[] bytesReceived = new Byte[256]; // Create a socket connection with the specified server and port.
Socket s = ConnectSocket(server, port); if (s == null)
return ("Connection failed"); // Send request to the server.
s.Send(bytesSent, bytesSent.Length, 0); // Receive the server home page content.
int bytes = 0;
string page = "Default HTML page on " + server + ":\r\n"; // The following will block until te page is transmitted.
do {
bytes = s.Receive(bytesReceived, bytesReceived.Length, 0);
page = page + Encoding.ASCII.GetString(bytesReceived, 0, bytes);
}
while (bytes > 0); return page;
} public static void Main(string[] args)
{
string host;
int port = 80; if (args.Length == 0)
// If no server name is passed as argument to this program,
// use the current host name as the default.
host = Dns.GetHostName();
else
host = args[0]; string result = SocketSendReceive(host, port);
Console.WriteLine(result);
}
}
下面的代码示例演示如何使用 Socket 类向 HTTP 服务器发送数据和接收响应。接收到整个页前,此示例将一直处于阻止状态