个人珍藏,仅为存档.今天整理磁盘,没处放.扔BLOG.
看不懂,别问我.自己研究.
webserver.cs
namespace cnnbsun.webserver { 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 = 8080 ; // 选者任何闲置端口
//开始兼听端口 //同时启动一个兼听进程 public MyWebServer() { try { //开始兼听端口 myListener = new TcpListener(port) ; myListener.Start(); Console.WriteLine("Web Server Running... Press ^C to Stop..."); //同时启动一个兼听进程 'StartListen' Thread th = new Thread(new ThreadStart(StartListen)); th.Start() ;
} catch(Exception e) { Console.WriteLine("兼听端口时发生错误 :" +e.ToString()); } } public void SendHeader(string sHttpVersion, string sMIMEHeader, int iTotBytes, string sStatusCode, ref Socket mySocket) {
String sBuffer = "";
if (sMIMEHeader.Length == 0 ) { sMIMEHeader = "text/html"; // 默认 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());
}
public void SendToBrowser(String sData, ref Socket mySocket) { SendToBrowser (Encoding.ASCII.GetBytes(sData), ref mySocket); }
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("连接失败...."); } catch (Exception e) { Console.WriteLine("发生错误 : {0} ", e );
} } public static void Main() { MyWebServer MWS = new MyWebServer(); } public void StartListen() {
int iStartPos = 0; String sRequest; String sDirName; String sRequestedFile; String sErrorMessage; String sLocalDir; /////////////////////////////////////注意设定你自己的虚拟目录///////////////////////////////////// String sMyWebServerRoot = "E:\\MyWebServerRoot\\"; //设置你的虚拟目录 ////////////////////////////////////////////////////////////////////////////////////////////////// String sPhysicalFilePath = ""; String sFormattedMessage = ""; String sResponse = "";
while(true) { //接受新连接 Socket mySocket = myListener.AcceptSocket() ;
Console.WriteLine ("Socket Type " +mySocket.SocketType ); if(mySocket.Connected) { Console.WriteLine("\nClient Connected!!\n==================\nCLient IP {0}\n",mySocket.RemoteEndPoint) ;
Byte[] bReceive = new Byte[1024] ; int i = mySocket.Receive(bReceive,bReceive.Length,0) ;
//转换成字符串类型 string sBuffer = Encoding.ASCII.GetString(bReceive);
//只处理"get"请求类型 if (sBuffer.Substring(0,3) != "GET" ) { Console.WriteLine("只处理get请求类型.."); mySocket.Close(); return; }
// 查找 "HTTP" 的位置 iStartPos = sBuffer.IndexOf("HTTP",1);
string sHttpVersion = sBuffer.Substring(iStartPos,8);
// 得到请求类型和文件目录文件名 sRequest = sBuffer.Substring(0,iStartPos - 1);
sRequest.Replace("\\","/");
//如果结尾不是文件名也不是以"/"结尾则加"/" if ((sRequest.IndexOf(".") <1) && (!sRequest.EndsWith("/"))) { sRequest = sRequest + "/"; }
//得带请求文件名 iStartPos = sRequest.LastIndexOf("/") + 1; sRequestedFile = sRequest.Substring(iStartPos);
//得到请求文件目录 sDirName = sRequest.Substring(sRequest.IndexOf("/"), sRequest.LastIndexOf("/")-3);
//获取虚拟目录物理路径 sLocalDir = sMyWebServerRoot;
Console.WriteLine("请求文件目录 : " + sLocalDir);
if (sLocalDir.Length == 0 ) { sErrorMessage = "<H2>Error!! Requested Directory does not exists</H2><Br>"; SendHeader(sHttpVersion, "", sErrorMessage.Length, " 404 Not Found", ref mySocket); SendToBrowser(sErrorMessage, ref mySocket); mySocket.Close(); continue; }
if (sRequestedFile.Length == 0 ) { // 取得请求文件名 sRequestedFile = "index.html"; }
///////////////////////////////////////////////////////////////////// // 取得请求文件类型(设定为text/html) /////////////////////////////////////////////////////////////////////
String sMimeType = "text/html";
sPhysicalFilePath = sLocalDir + sRequestedFile; Console.WriteLine("请求文件: " + sPhysicalFilePath);
if (File.Exists(sPhysicalFilePath) == false) {
sErrorMessage = "<H2>404 Error! File Does Not Exists...</H2>"; SendHeader(sHttpVersion, "", sErrorMessage.Length, " 404 Not Found", ref mySocket); SendToBrowser( sErrorMessage, ref mySocket);
Console.WriteLine(sFormattedMessage); }
else { int iTotBytes=0;
sResponse ="";
FileStream fs = new FileStream(sPhysicalFilePath, FileMode.Open, FileAccess.Read, FileShare.Read);
BinaryReader reader = new BinaryReader(fs); byte[] bytes = new byte[fs.Length]; int read; while((read = reader.Read(bytes, 0, bytes.Length)) != 0) { sResponse = sResponse + Encoding.ASCII.GetString(bytes,0,read);
iTotBytes = iTotBytes + read;
} reader.Close(); fs.Close();
SendHeader(sHttpVersion, sMimeType, iTotBytes, " 200 OK", ref mySocket); SendToBrowser(bytes, ref mySocket); //mySocket.Send(bytes, bytes.Length,0);
} mySocket.Close(); } } }
}
}

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