sever：
//********業務邏輯
using System;
using System.Collections;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace MyServer {
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; // 10MB
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() {
// we can't use a StreamReader for input, because it buffers up extra data on us inside it's
// "processed" view of the world, and we want the data raw after the headers
inputStream = new BufferedStream(socket.GetStream());
// we probably shouldn't be using a streamwriter for all output from handlers either
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 = 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("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 < 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);
}
private const int BUF_SIZE = 4096;
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[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 Socket(0, SocketType.Stream, ProtocolType.Tcp);
IPAddress ipaddress = IPAddress.Parse("127.0.0.1");
//IPEndPoint endpoint = new IPEndPoint(ipaddress, port);
//listener.Bind(endpoint);
//listener.Blocking = true;
//listener.Listen(-1);
listener = new TcpListener(ipaddress,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>");
string str="2332pjd甲方";
for (int i = 0; i < 1000;i++ )
{
str += i.ToString();
}
p.outputStream.WriteLine("<input type=Data name=Content value=" + str + ">");
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);
}
}
//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;
//}
//}
}
//******界面
private void button1_Click(object sender, EventArgs e)
{
HttpServer httpServer;
httpServer = new MyHttpServer(15000);
Thread thread = new Thread(new ThreadStart(httpServer.listen));
thread.Start();
}
Client：
//******業務邏輯
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
namespace HTTPTEST
{
class Utility
{
public static string Get(string Url)
{
//System.GC.Collect();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
request.Proxy = null;
request.KeepAlive = false;
request.Method = "GET";
//request.ContentType = "application/json; charset=UTF-8";
request.ContentType = "application/x-www-form-urlencoded";//窗體數據被編碼爲名稱/值對形式
request.AutomaticDecompression = DecompressionMethods.GZip;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8);
string retString = myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();
if (response != null)
{
response.Close();
}
if (request != null)
{
request.Abort();
}
return retString;
}
public void Get2()
{
}
}
}
//*********界面
private void button1_Click(object sender, EventArgs e)
{
string url = "http://127.0.0.1:15000/123";
//url = "https://www.hao123.com/?tn=97651897_hao_pg";
string content= Utility.Get(url);
textBox1.Text = content;
}