三种方法构建简单的WEB服务器！
2011-04-09 17:45
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《Essential ASP.NET 本质论》举例了Socket编程的基本知识，我稍加修改弄了个简单的应用。
你可以将生成的EXE文件拷贝到服务器上，这样通过任意的WEB浏览器都可以获得该服务器的时间。
这是一个仅仅显示服务器时间的WEB服务器，通过Socket、TcpListener、HttpListener三种方式实现，稍加修改可以作为其他应用。
基本代码如下：三种方法实现的简单WEB服务器下载源代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
/// <summary>
/// 程序目标：设计一个WEB服务器，向客户端输出服务器的当前时间。
/// 设计思想：
/// 构造socketServer对象监听本机的某端口，此处为7788。
/// 收到客户端连接请求，打印请求信息。
/// 获得本机时间，以HTTP协议格式回应客户端请求。
/// 调试：
/// 用netstat -ano 查看端口使用情况
/// </summary>
namespace myIIS
{
class Program
{
static void Main(string[] args)
{
//IIS_Socket();
//IIS_TcpListener();
IIS_HttpListener();
}
private static void IIS_HttpListener()
{
if (!HttpListener.IsSupported)
{
throw new System.InvalidOperationException("HttpListener必须为Windows XP SP2 或 Server2003 以上系统运行！");
}
string endpoint = "http://127.0.0.1:7788/";
HttpListener httpLlisener = new HttpListener();
httpLlisener.Prefixes.Add(endpoint);
httpLlisener.Start();
Console.Write("WEB服务器正在监听 {0}",endpoint);
while (true)
{
//GetContext导致线程阻塞，直到请求到达
HttpListenerContext context = httpLlisener.GetContext();
//HttpListenerRequest request = context.Request;
//HttpListenerResponse对象的Content属性设置
HttpListenerResponse response = context.Response;
string body = string.Format(
"<html><head><title>From Socket Server</title></head>" +
"<body><h2>Server Time:{0}</h2></body></html>",
System.DateTime.Now);
response.ContentLength64 = System.Text.Encoding.UTF8.GetByteCount(body);
response.ContentType = "text/html; charset=UTF-8";
System.IO.Stream outputStream = response.OutputStream;
System.IO.StreamWriter writer = new System.IO.StreamWriter(outputStream);
writer.Write(body);
writer.Close();
if (Console.KeyAvailable)
break;
}
httpLlisener.Stop();
}
/// <summary>
/// TcpLisener、TcpClient、NetworkStream
/// </summary>
private static void IIS_TcpListener()
{
IPAddress address = IPAddress.Loopback;
IPEndPoint endpoint = new IPEndPoint(address, 7788);
System.Net.Sockets.TcpListener tcpListener = new System.Net.Sockets.TcpListener(endpoint);
tcpListener.Start();
Console.WriteLine("WEB服务器监听中{0}\t……",endpoint);
while (true)
{
System.Net.Sockets.TcpClient tcpClient = tcpListener.AcceptTcpClient();
System.Net.Sockets.NetworkStream ns = tcpClient.GetStream();
byte[] buffer = new byte[4096];
System.Text.Encoding utf8 = System.Text.Encoding.UTF8;
int length = ns.Read(buffer, 0, buffer.Length);
string request = utf8.GetString(buffer, 0, length);
Console.WriteLine("WEB客户端请求信息：\n{0}", request);
byte[] responseStatusBytes = utf8.GetBytes("HTTP/1.1 200 OK\r\n");
byte[] responseBodyBytes = utf8.GetBytes(string.Format(
"<html><head><title>From Socket Server {0}</title></head>" +
"<body><h2>Server Time:{1}</h2></body></html>",
endpoint.Address, System.DateTime.Now));
byte[] responseHeaderBytes = utf8.GetBytes(string.Format("Content-Type: text/html;" +
"charset=UTF-8\r\nContent-length:{0}\r\n", responseBodyBytes.Length));//responseBody.Length
ns.Write(responseStatusBytes, 0, responseStatusBytes.Length);
ns.Write(responseHeaderBytes, 0, responseHeaderBytes.Length);
ns.Write(new byte[] { 13, 10 }, 0, 2);
ns.Write(responseBodyBytes, 0, responseBodyBytes.Length);
tcpClient.Close();
if (Console.KeyAvailable)
break;
}
tcpListener.Stop();
}
/// <summary>
/// Socket对象
/// </summary>
private static void IIS_Socket()
{
//构建IPAddress、IPEndPoint和Socket对象
System.Net.IPAddress address = System.Net.IPAddress.Any; //可以Loopback或其他
System.Net.IPEndPoint endPoint = new System.Net.IPEndPoint(address, 7788);
System.Net.Sockets.Socket socketServer = new System.Net.Sockets.Socket(
System.Net.Sockets.AddressFamily.InterNetwork,
System.Net.Sockets.SocketType.Stream,
System.Net.Sockets.ProtocolType.Tcp);
socketServer.Bind(endPoint); //将Socket绑定到端口上
socketServer.Listen(10); //设置挂起链接队列的长度
Console.Write("WEB服务器正在监听 {0}", endPoint.Port);
while (true)
{
//Accept方法会阻塞线程执行，直到接到客户的连接请求，并返回请求连接的Socket对象
System.Net.Sockets.Socket socketClient = socketServer.Accept();
Console.Clear();
Console.WriteLine("\nWEB客户连接请求，来自 {0}", socketClient.RemoteEndPoint);
//开始读取客户的请求数据，转换为UTF8编码，并输出请求信息
byte[] buffer = new byte[4096];
int length = socketClient.Receive(buffer, buffer.Length, System.Net.Sockets.SocketFlags.None);
System.Text.Encoding utf8 = System.Text.Encoding.UTF8;
string request = utf8.GetString(buffer, 0, length);
Console.WriteLine("\n客户端请求信息\n{0}", request);
/*
[Client Established from 127.0.0.1:3438]
[Received Request Information From WEB Client]:
GET / HTTP/1.1
Host: 127.0.0.1:7788
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0) Gecko/20100101 Firefox/4
.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,* /*;q=0.8
Accept-Language: zh-cn,zh;q=0.5
Accept-Encoding: gzip, deflate
Accept-Charset: GB2312,utf-8;q=0.7,*;q=0.7
Keep-Alive: 115
Connection: keep-alive
Cache-Control: max-age=0
*/
//--应答请求，为便于WEB客户端连接，构造HTTP协议体：状态行、回应体、回应头
string responseStatus = "HTTP/1.1 200 OK\r\n";
byte[] responseStatusBytes = utf8.GetBytes(responseStatus);
string responseBody = string.Format(
"<html><head><title>From Socket Server {0}</title></head>" +
"<body><h2>Server Time:{1}</h2></body></html>",
endPoint.Address, System.DateTime.Now);
byte[] responseBodyBytes = utf8.GetBytes(responseBody);
string responseHeader = string.Format("Content-Type: text/html;" +
"charset=UTF-8\r\nContent-length:{0}\r\n", responseBody.Length);
byte[] responseHeaderBytes = utf8.GetBytes(responseHeader);
//--向WEB客户的发送信息：回应状态行、回应头、空行、回应体
socketClient.Send(responseStatusBytes);
socketClient.Send(responseHeaderBytes);
socketClient.Send(new byte[] { 13, 10 });
socketClient.Send(responseBodyBytes);
socketClient.Close();
if (Console.KeyAvailable)
break;
}
socketServer.Close();
}
}
}
你可以将生成的EXE文件拷贝到服务器上，这样通过任意的WEB浏览器都可以获得该服务器的时间。
这是一个仅仅显示服务器时间的WEB服务器，通过Socket、TcpListener、HttpListener三种方式实现，稍加修改可以作为其他应用。
基本代码如下：三种方法实现的简单WEB服务器下载源代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
/// <summary>
/// 程序目标：设计一个WEB服务器，向客户端输出服务器的当前时间。
/// 设计思想：
/// 构造socketServer对象监听本机的某端口，此处为7788。
/// 收到客户端连接请求，打印请求信息。
/// 获得本机时间，以HTTP协议格式回应客户端请求。
/// 调试：
/// 用netstat -ano 查看端口使用情况
/// </summary>
namespace myIIS
{
class Program
{
static void Main(string[] args)
{
//IIS_Socket();
//IIS_TcpListener();
IIS_HttpListener();
}
private static void IIS_HttpListener()
{
if (!HttpListener.IsSupported)
{
throw new System.InvalidOperationException("HttpListener必须为Windows XP SP2 或 Server2003 以上系统运行！");
}
string endpoint = "http://127.0.0.1:7788/";
HttpListener httpLlisener = new HttpListener();
httpLlisener.Prefixes.Add(endpoint);
httpLlisener.Start();
Console.Write("WEB服务器正在监听 {0}",endpoint);
while (true)
{
//GetContext导致线程阻塞，直到请求到达
HttpListenerContext context = httpLlisener.GetContext();
//HttpListenerRequest request = context.Request;
//HttpListenerResponse对象的Content属性设置
HttpListenerResponse response = context.Response;
string body = string.Format(
"<html><head><title>From Socket Server</title></head>" +
"<body><h2>Server Time:{0}</h2></body></html>",
System.DateTime.Now);
response.ContentLength64 = System.Text.Encoding.UTF8.GetByteCount(body);
response.ContentType = "text/html; charset=UTF-8";
System.IO.Stream outputStream = response.OutputStream;
System.IO.StreamWriter writer = new System.IO.StreamWriter(outputStream);
writer.Write(body);
writer.Close();
if (Console.KeyAvailable)
break;
}
httpLlisener.Stop();
}
/// <summary>
/// TcpLisener、TcpClient、NetworkStream
/// </summary>
private static void IIS_TcpListener()
{
IPAddress address = IPAddress.Loopback;
IPEndPoint endpoint = new IPEndPoint(address, 7788);
System.Net.Sockets.TcpListener tcpListener = new System.Net.Sockets.TcpListener(endpoint);
tcpListener.Start();
Console.WriteLine("WEB服务器监听中{0}\t……",endpoint);
while (true)
{
System.Net.Sockets.TcpClient tcpClient = tcpListener.AcceptTcpClient();
System.Net.Sockets.NetworkStream ns = tcpClient.GetStream();
byte[] buffer = new byte[4096];
System.Text.Encoding utf8 = System.Text.Encoding.UTF8;
int length = ns.Read(buffer, 0, buffer.Length);
string request = utf8.GetString(buffer, 0, length);
Console.WriteLine("WEB客户端请求信息：\n{0}", request);
byte[] responseStatusBytes = utf8.GetBytes("HTTP/1.1 200 OK\r\n");
byte[] responseBodyBytes = utf8.GetBytes(string.Format(
"<html><head><title>From Socket Server {0}</title></head>" +
"<body><h2>Server Time:{1}</h2></body></html>",
endpoint.Address, System.DateTime.Now));
byte[] responseHeaderBytes = utf8.GetBytes(string.Format("Content-Type: text/html;" +
"charset=UTF-8\r\nContent-length:{0}\r\n", responseBodyBytes.Length));//responseBody.Length
ns.Write(responseStatusBytes, 0, responseStatusBytes.Length);
ns.Write(responseHeaderBytes, 0, responseHeaderBytes.Length);
ns.Write(new byte[] { 13, 10 }, 0, 2);
ns.Write(responseBodyBytes, 0, responseBodyBytes.Length);
tcpClient.Close();
if (Console.KeyAvailable)
break;
}
tcpListener.Stop();
}
/// <summary>
/// Socket对象
/// </summary>
private static void IIS_Socket()
{
//构建IPAddress、IPEndPoint和Socket对象
System.Net.IPAddress address = System.Net.IPAddress.Any; //可以Loopback或其他
System.Net.IPEndPoint endPoint = new System.Net.IPEndPoint(address, 7788);
System.Net.Sockets.Socket socketServer = new System.Net.Sockets.Socket(
System.Net.Sockets.AddressFamily.InterNetwork,
System.Net.Sockets.SocketType.Stream,
System.Net.Sockets.ProtocolType.Tcp);
socketServer.Bind(endPoint); //将Socket绑定到端口上
socketServer.Listen(10); //设置挂起链接队列的长度
Console.Write("WEB服务器正在监听 {0}", endPoint.Port);
while (true)
{
//Accept方法会阻塞线程执行，直到接到客户的连接请求，并返回请求连接的Socket对象
System.Net.Sockets.Socket socketClient = socketServer.Accept();
Console.Clear();
Console.WriteLine("\nWEB客户连接请求，来自 {0}", socketClient.RemoteEndPoint);
//开始读取客户的请求数据，转换为UTF8编码，并输出请求信息
byte[] buffer = new byte[4096];
int length = socketClient.Receive(buffer, buffer.Length, System.Net.Sockets.SocketFlags.None);
System.Text.Encoding utf8 = System.Text.Encoding.UTF8;
string request = utf8.GetString(buffer, 0, length);
Console.WriteLine("\n客户端请求信息\n{0}", request);
/*
[Client Established from 127.0.0.1:3438]
[Received Request Information From WEB Client]:
GET / HTTP/1.1
Host: 127.0.0.1:7788
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0) Gecko/20100101 Firefox/4
.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,* /*;q=0.8
Accept-Language: zh-cn,zh;q=0.5
Accept-Encoding: gzip, deflate
Accept-Charset: GB2312,utf-8;q=0.7,*;q=0.7
Keep-Alive: 115
Connection: keep-alive
Cache-Control: max-age=0
*/
//--应答请求，为便于WEB客户端连接，构造HTTP协议体：状态行、回应体、回应头
string responseStatus = "HTTP/1.1 200 OK\r\n";
byte[] responseStatusBytes = utf8.GetBytes(responseStatus);
string responseBody = string.Format(
"<html><head><title>From Socket Server {0}</title></head>" +
"<body><h2>Server Time:{1}</h2></body></html>",
endPoint.Address, System.DateTime.Now);
byte[] responseBodyBytes = utf8.GetBytes(responseBody);
string responseHeader = string.Format("Content-Type: text/html;" +
"charset=UTF-8\r\nContent-length:{0}\r\n", responseBody.Length);
byte[] responseHeaderBytes = utf8.GetBytes(responseHeader);
//--向WEB客户的发送信息：回应状态行、回应头、空行、回应体
socketClient.Send(responseStatusBytes);
socketClient.Send(responseHeaderBytes);
socketClient.Send(new byte[] { 13, 10 });
socketClient.Send(responseBodyBytes);
socketClient.Close();
if (Console.KeyAvailable)
break;
}
socketServer.Close();
}
}
}
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