1.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
namespace HttpListen
{
class Program
{
static void Main(string[] args)
{
string[] arr = { "http://localhost:37090/", "http://zhihu.org.cn/a/" };
// SimpleListenerExample(arr);
// test1(arr[1]);
HttpServer httpServer;
//if (args.GetLength(0) > 0)
//{
//httpServer = new MyHttpServer(Convert.ToInt16(args[0]));
httpServer = new MyHttpServer(2345);
//} else {
// httpServer = new MyHttpServer(8080);
//}
Thread thread = new Thread(new ThreadStart(httpServer.listen));
thread.Start();
}
//方法1
// This example requires the System and System.Net namespaces.
public static void SimpleListenerExample(string[] prefixes)
{
if (!HttpListener.IsSupported)
{
Console.WriteLine("Windows XP SP2 or Server 2003 is required to use the HttpListener class.");
return;
}
// URI prefixes are required,
// for example "http://contoso.com:8080/index/".
if (prefixes == null || prefixes.Length == 0)
throw new ArgumentException("prefixes");
// Create a listener.
HttpListener listener = new HttpListener();
// Add the prefixes.
foreach (string s in prefixes)
{
listener.Prefixes.Add(s);
}
listener.Start();
Console.WriteLine("Listening...");
Task.Factory.StartNew(() =>
{
// Note: The GetContext method blocks while waiting for a request.
HttpListenerContext context = listener.GetContext();
HttpListenerRequest request = context.Request;
// Obtain a response object.
HttpListenerResponse response = context.Response;
// Construct a response.
string responseString = "<HTML><BODY> Hello world!</BODY></HTML>";
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(responseString);
// Get a response stream and write the response to it.
response.ContentLength64 = buffer.Length;
System.IO.Stream output = response.OutputStream;
output.Write(buffer, 0, buffer.Length);
// You must close the output stream.
output.Close();
// listener.Stop();
});
Console.WriteLine("ok");
Console.ReadLine();
}
//方法2
public static void test1(string url)
{
HttpListener httpListener = new HttpListener();
httpListener.AuthenticationSchemes = AuthenticationSchemes.Anonymous;
httpListener.Prefixes.Add(url);
Console.WriteLine("开始监听··········");
httpListener.Start();
new Thread(new ThreadStart(delegate
{
while (true)
{
HttpListenerContext httpListenerContext = httpListener.GetContext();
httpListenerContext.Response.StatusCode = 200;
using (StreamWriter writer = new StreamWriter(httpListenerContext.Response.OutputStream))
{
writer.WriteLine("<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><title>测试服务器</title></head><body>");
writer.WriteLine("<div style="height:20px;color:blue;text-align:center;"><p> hello</p></div>");
writer.WriteLine("<ul>");
writer.WriteLine("</ul>");
writer.WriteLine("</body></html>");
}
}
})).Start();
}
}
}
方法3类文件：
using System; using System.Collections; using System.IO; using System.Net; using System.Net.Sockets; using System.Threading; // offered to the public domain for any use with no restriction // and also with no warranty of any kind, please enjoy. - David Jeske. // simple HTTP explanation // http://www.jmarshall.com/easy/http/ namespace HttpListen { public class HttpProcessor { public TcpClient socket; public HttpServer srv; private StreamReader inputStream; public StreamWriter outputStream; public String http_method; public String http_url; public String http_protocol_versionstring; public Hashtable httpHeaders = new Hashtable(); private static int MAX_POST_SIZE = 10 * 1024 * 1024; // 10MB public HttpProcessor(TcpClient s, HttpServer srv) { this.socket = s; this.srv = srv; } public void process() { // bs = new BufferedStream(s.GetStream()); inputStream = new StreamReader(socket.GetStream()); outputStream = new StreamWriter(new BufferedStream(socket.GetStream())); try { parseRequest(); readHeaders(); if (http_method.Equals("GET")) { handleGETRequest(); } else if (http_method.Equals("POST")) { handlePOSTRequest(); } } catch (Exception e) { Console.WriteLine("Exception: " + e.ToString()); writeFailure(); } outputStream.Flush(); // bs.Flush(); // flush any remaining output inputStream = null; outputStream = null; // bs = null; socket.Close(); } public void parseRequest() { String request = inputStream.ReadLine(); string[] tokens = request.Split(' '); if (tokens.Length != 3) { throw new Exception("invalid http request line"); } http_method = tokens[0].ToUpper(); http_url = tokens[1]; http_protocol_versionstring = tokens[2]; Console.WriteLine("starting: " + request); } public void readHeaders() { Console.WriteLine("readHeaders()"); String line; while ((line = inputStream.ReadLine()) != null) { if (line.Equals("")) { Console.WriteLine("got headers"); return; } int separator = line.IndexOf(':'); if (separator == -1) { throw new Exception("invalid http header line: " + line); } String name = line.Substring(0, separator); int pos = separator + 1; while ((pos < line.Length) && (line[pos] == ' ')) { pos++; // strip any spaces } string value = line.Substring(pos, line.Length - pos); Console.WriteLine("header: {0}:{1}", name, value); httpHeaders[name] = value; } } public void handleGETRequest() { srv.handleGETRequest(this); } public void handlePOSTRequest() { // this post data processing just reads everything into a memory stream. // this is fine for smallish things, but for large stuff we should really // hand an input stream to the request processor. However, the input stream // we hand him needs to let him see the "end of the stream" at this content // length, because otherwise he won't know when he's seen it all! Console.WriteLine("get post data start"); int content_len = 0; MemoryStream ms = new MemoryStream(); if (this.httpHeaders.ContainsKey("Content-Length")) { content_len = Convert.ToInt32(this.httpHeaders["Content-Length"]); if (content_len > MAX_POST_SIZE) { throw new Exception( String.Format("POST Content-Length({0}) too big for this simple server", content_len)); } byte[] buf = new byte[4096]; int to_read = content_len; while (to_read > 0) { int numread = this.inputStream.BaseStream.Read(buf, 0, Math.Min(4096, to_read)); to_read -= numread; ms.Write(buf, 0, numread); } ms.Seek(0, SeekOrigin.Begin); } Console.WriteLine("get post data end"); srv.handlePOSTRequest(this, new StreamReader(ms)); } public void writeSuccess() { outputStream.Write("HTTP/1.0 200 OK "); outputStream.Write("Content-Type: text/html "); outputStream.Write("Connection: close "); outputStream.Write(" "); } public void writeFailure() { outputStream.Write("HTTP/1.0 404 File not found "); outputStream.Write("Connection: close "); outputStream.Write(" "); } } public abstract class HttpServer { protected int port; TcpListener listener; bool is_active = true; public HttpServer(int port) { this.port = port; } public void listen() { listener = new TcpListener(IPAddress.Parse("127.0.0.1"), port); listener.Start(); while (is_active) { TcpClient s = listener.AcceptTcpClient(); HttpProcessor processor = new HttpProcessor(s, this); Thread thread = new Thread(new ThreadStart(processor.process)); thread.Start(); Thread.Sleep(1); } } public abstract void handleGETRequest(HttpProcessor p); public abstract void handlePOSTRequest(HttpProcessor p, StreamReader inputData); } public class MyHttpServer : HttpServer { public MyHttpServer(int port) : base(port) { } public override void handleGETRequest(HttpProcessor p) { Console.WriteLine("request: {0}", p.http_url); p.writeSuccess(); p.outputStream.WriteLine("<html><body><h1>test server</h1>"); p.outputStream.WriteLine("Current Time: " + DateTime.Now.ToString()); p.outputStream.WriteLine("url : {0}", p.http_url); p.outputStream.WriteLine("<form method=post action=/form>"); p.outputStream.WriteLine("<input type=text name=foo value=foovalue>"); p.outputStream.WriteLine("<input type=submit name=bar value=barvalue>"); p.outputStream.WriteLine("</form>"); } public override void handlePOSTRequest(HttpProcessor p, StreamReader inputData) { Console.WriteLine("POST request: {0}", p.http_url); string data = inputData.ReadToEnd(); p.outputStream.WriteLine("<html><body><h1>test server</h1>"); p.outputStream.WriteLine("<a href=/test>return</a><p>"); p.outputStream.WriteLine("postbody: <pre>{0}</pre>", data); } } }