鉴于大家对ASP.net十分关注，我们编辑小组在此为大家搜集整理了“webseveice例子”一文，供大家参考学习!
namespace Imtiaz
{
using System;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading ;
class MyWebServer
{
private TcpListener myListener ;
private int port = 5050 ; // Select any free port you wish
//The constructor which make the TcpListener start listening on the
//given port. It also calls a Thread on the method StartListen().
public MyWebServer()
{
try
{
//start listing on the given port
myListener = new TcpListener(port) ;
myListener.Start();
Console.WriteLine("Web Server Running... Press ^C to Stop...");
//start the thread which calls the method ''StartListen''
Thread th = new Thread(new ThreadStart(StartListen));
th.Start() ;
}
catch(Exception e)
{
Console.WriteLine("An Exception Occurred while Listening :" +e.ToString());
}
}
/// <summary>
/// Returns The Default File Name
/// Input : WebServerRoot Folder
/// Output: Default File Name
/// </summary>
/// <param name="sMyWebServerRoot"></param>
/// <returns></returns>
public string GetTheDefaultFileName(string sLocalDirectory)
{
StreamReader sr;
String sLine = "";
try
{
//Open the default.dat to find out the list
// of default file
sr = new StreamReader("data\\Default.Dat");
while ((sLine = sr.ReadLine()) != null)
{
//Look for the default file in the web server root folder
if (File.Exists( sLocalDirectory + sLine) == true)
break;
}
}
catch(Exception e)
{
Console.WriteLine("An Exception Occurred : " + e.ToString());
}
if (File.Exists( sLocalDirectory + sLine) == true)
return sLine;
else
return "";
}
/// <summary>
/// This function takes FileName as Input and returns the mime type..
/// </summary>
/// <param name="sRequestedFile">To indentify the Mime Type</param>
/// <returns>Mime Type</returns>
public string GetMimeType(string sRequestedFile)
{
StreamReader sr;
String sLine = "";
String sMimeType = "";
String sFileExt = "";
String sMimeExt = "";
// Convert to lowercase
sRequestedFile = sRequestedFile.ToLower();
int iStartPos = sRequestedFile.IndexOf(".");
sFileExt = sRequestedFile.Substring(iStartPos);
try
{
//Open the Vdirs.dat to find out the list virtual directories
sr = new StreamReader("data\\Mime.Dat");
while ((sLine = sr.ReadLine()) != null)
{
sLine.Trim();
if (sLine.Length > 0)
{
//find the separator
iStartPos = sLine.IndexOf(";");
// Convert to lower case
sLine = sLine.ToLower();
sMimeExt = sLine.Substring(0,iStartPos);
sMimeType = sLine.Substring(iStartPos + 1);
if (sMimeExt == sFileExt)
break;
}
}
}
catch (Exception e)
{
Console.WriteLine("An Exception Occurred : " + e.ToString());
}
if (sMimeExt == sFileExt)
return sMimeType;
else
return "";
}
/// <summary>
/// Returns the Physical Path
/// </summary>
/// <param name="sMyWebServerRoot">Web Server Root Directory</param>
/// <param name="sDirName">Virtual Directory </param>
/// <returns>Physical local Path</returns>
public string GetLocalPath(string sMyWebServerRoot, string sDirName)
{
StreamReader sr;
String sLine = "";
String sVirtualDir = "";
String sRealDir = "";
int iStartPos = 0;
//Remove extra spaces
sDirName.Trim();
// Convert to lowercase
sMyWebServerRoot = sMyWebServerRoot.ToLower();
// Convert to lowercase
sDirName = sDirName.ToLower();
//Remove the slash
//sDirName = sDirName.Substring(1, sDirName.Length - 2);
try
{
//Open the Vdirs.dat to find out the list virtual directories
sr = new StreamReader("data\\VDirs.Dat");
while ((sLine = sr.ReadLine()) != null)
{
//Remove extra Spaces
sLine.Trim();
if (sLine.Length > 0)
{
//find the separator
iStartPos = sLine.IndexOf(";");
// Convert to lowercase
sLine = sLine.ToLower();
sVirtualDir = sLine.Substring(0,iStartPos);
sRealDir = sLine.Substring(iStartPos + 1);
if (sVirtualDir == sDirName)
{
break;
}
}
}
}
catch(Exception e)
{
Console.WriteLine("An Exception Occurred : " + e.ToString());
}
Console.WriteLine("Virtual Dir : " + sVirtualDir);
Console.WriteLine("Directory : " + sDirName);
Console.WriteLine("Physical Dir: " + sRealDir);
if (sVirtualDir == sDirName)
return sRealDir;
else
return "";
}
/// <summary>
/// This function send the Header Information to the client (Browser)
/// </summary>
/// <param name="sHttpVersion">HTTP Version</param>
/// <param name="sMIMEHeader">Mime Type</param>
/// <param name="iTotBytes">Total Bytes to be sent in the body</param>
/// <param name="mySocket">Socket reference</param>
/// <returns></returns>
public void SendHeader(string sHttpVersion, string sMIMEHeader, int iTotBytes, string sStatusCode, ref Socket mySocket)
{
String sBuffer = "";
// if Mime type is not provided set default to text/html
if (sMIMEHeader.Length == 0 )
{
sMIMEHeader = "text/html"; // Default Mime Type is text/html
}
sBuffer = sBuffer + sHttpVersion + sStatusCode + "\r\n";
sBuffer = sBuffer + "Server: cx1193719-b\r\n";
sBuffer = sBuffer + "Content-Type: " + sMIMEHeader + "\r\n";
sBuffer = sBuffer + "Accept-Ranges: bytes\r\n";
sBuffer = sBuffer + "Content-Length: " + iTotBytes + "\r\n\r\n";
Byte[] bSendData = Encoding.ASCII.GetBytes(sBuffer);
SendToBrowser( bSendData, ref mySocket);
Console.WriteLine("Total Bytes : " + iTotBytes.ToString());
}
/// <summary>
/// Overloaded Function, takes string, convert to bytes and calls
/// overloaded sendToBrowserFunction.
/// </summary>
/// <param name="sData">The data to be sent to the browser(client)</param>
/// <param name="mySocket">Socket reference</param>
public void SendToBrowser(String sData, ref Socket mySocket)
{
SendToBrowser (Encoding.ASCII.GetBytes(sData), ref mySocket);
}
/// <summary>
/// Sends data to the browser (client)
/// </summary>
/// <param name="bSendData">Byte Array</param>
/// <param name="mySocket">Socket reference</param>
public void SendToBrowser(Byte[] bSendData, ref Socket mySocket)
{
int numBytes = 0;
try
{
if (mySocket.Connected)
{
if (( numBytes = mySocket.Send(bSendData, bSendData.Length,0)) == -1)
Console.WriteLine("Socket Error cannot Send Packet");
else
{
Console.WriteLine("No. of bytes send {0}" , numBytes);
}
}
else
Console.WriteLine("Connection Dropped....");
}
catch (Exception e)
{
Console.WriteLine("Error Occurred : {0} ", e );
}
}
// Application Starts Here..
public static void Main()
{
MyWebServer MWS = new MyWebServer();
}
//This method Accepts new connection and
//First it receives the welcome massage from the client,
