C# http Web服务器响应post get 源码
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using System;using System.Collections;using System.IO;using System.Net;using System.Net.Sockets;using System.Threading;namespace Bend.Util{ public class HttpProcessor { public TcpClient socket; public HttpServer srv; private Stream 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; public HttpProcessor(TcpClient s, HttpServer srv) { this.socket = s; this.srv = srv; } private string streamReadLine(Stream inputStream) { int next_char; string data = ""; while (true) { next_char = inputStream.ReadByte(); if (next_char == '\n') { break; } if (next_char == '\r') { continue; } if (next_char == -1) { Thread.Sleep(1); continue; }; data += Convert.ToChar(next_char); } return data; } public void process() { inputStream = new BufferedStream(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(); inputStream = null; outputStream = null; // bs = null; socket.Close(); } public void parseRequest() { String request = streamReadLine(inputStream); 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("Current Time: " + DateTime.Now.ToString()); Console.WriteLine("starting: " + request); } public void readHeaders() { Console.WriteLine("readHeaders()"); String line; while ((line = streamReadLine(inputStream)) != 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 MAX_POST_SIZE) { throw new Exception( String.Format("POST Content-Length({0}) too big for this simple server", content_len)); } byte[] buf = new byte[BUF_SIZE]; int to_read = content_len; while (to_read > 0) { Console.WriteLine("starting Read, to_read={0}", to_read); int numread = this.inputStream.Read(buf, 0, Math.Min(BUF_SIZE, to_read)); Console.WriteLine("read finished, numread={0}", numread); if (numread == 0) { if (to_read == 0) {break; } else {throw new Exception("client disconnected during post"); } } 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.WriteLine("HTTP/1.0 200 OK"); outputStream.WriteLine("Content-Type: text/html;charset=utf-8"); outputStream.WriteLine("Connection: close"); outputStream.WriteLine(""); } public void writeFailure() { outputStream.WriteLine("HTTP/1.0 404 File not found"); outputStream.WriteLine("Connection: close"); outputStream.WriteLine(""); } } 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(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("
test server
"); p.outputStream.WriteLine("Current Time: " + DateTime.Now.ToString()); p.outputStream.WriteLine("url : {0}", p.http_url); p.outputStream.WriteLine(""); p.outputStream.WriteLine(""); p.outputStream.WriteLine(""); p.outputStream.WriteLine(""); } public override void handlePOSTRequest(HttpProcessor p, StreamReader inputData) { Console.WriteLine("POST request: {0}", p.http_url); string data = inputData.ReadToEnd(); Console.WriteLine(data); p.outputStream.WriteLine("test server
"); p.outputStream.WriteLine("return"); p.outputStream.WriteLine("postbody:
{0}", data); Console.WriteLine("\r\n"); } } public class TestMain { public static int Main(String[] args) { HttpServer httpServer; if (args.GetLength(0) > 0) { httpServer = new MyHttpServer(Convert.ToInt16(args[0])); } else { httpServer = new MyHttpServer(8080); } Thread thread = new Thread(new ThreadStart(httpServer.listen)); thread.Start(); return 0; } }}