private void ProcessRequest(object state)
{
Socket socket = state as Socket;
while (true)
{
//接收用户请求
var proxySocket = socket.Accept();
onlineNum++;
UpdateOnlineNum(onlineNum);
//定义一个容器用于接收请求报文
byte[] data = new byte[1024 * 1024 * 5];
//获取请求的报文长度
int len = proxySocket.Receive(data, 0, data.Length, SocketFlags.None);
string reqStr = Encoding.Default.GetString(data);
//解析 请求报文, 处理请求报文 返回相应的内容
// MyHttpRequest request = new MyHttpRequest(reqStr);
MyHttpContext context = new MyHttpContext(reqStr);
MyHttpApplication application = new MyHttpApplication();
application.ProcessRequest(context);
proxySocket.Send(context.Response.GetResponseHeader());
proxySocket.Send(context.Response.Body);
proxySocket.Shutdown(SocketShutdown.Both);
proxySocket.Close();
}
}
public void ProcessRequest(MyHttpContext context)
{
//获得请求信息 context.Request
//根据请求信息获取响应内容
string baseWebPath = MyConfigUtil.Get("baseWebPath");
string fileName = Path.Combine(baseWebPath, context.Request.Url.TrimStart('/'));
//根据请求的URL判断请求文件的类型
string contentType = MyMIMEDict.GetType(Path.GetExtension(context.Request.Url));
string dfileName = fileName;
#region 处理动态文件
string ext = Path.GetExtension(context.Request.Url);
if (ext == ".aspx")
{
var className = Path.GetFileNameWithoutExtension(context.Request.Url);
//应为所有的aspx的类都继承了IHttpHandler 所以这里可以将实例化的类型设置为接口类型来接收, 以便使用接口定义的方法
IMyHttpHandler obj = Assembly.Load("MyWebServer").CreateInstance("MyWebServer.web." + className, true) as IMyHttpHandler;
if (obj != null)
{
obj.ProcessRequest(context);
return;//终止执行
}
}
#endregion
#region 处理静态文件
if (Directory.Exists(fileName) && (File.Exists(Path.Combine(fileName, "index.html"))))
{
dfileName = Path.Combine(fileName, "index.html".TrimStart('/'));
contentType = "text/html";
}
else if (Directory.Exists(fileName) && File.Exists(Path.Combine(fileName, "default.html")))
{
dfileName = Path.Combine(fileName, "default.html".TrimStart('/'));
contentType = "text/html";
}
if (!File.Exists(dfileName))
{
NotExistResp(context);
}
else
{
context.Response.StateCode = "200";
context.Response.StateDes = "OK";
//获取请求文件的类型
// Path.GetExtension(context.Request.Url);
context.Response.ContentType = contentType;
context.Response.Body = File.ReadAllBytes(dfileName);
}
#endregion
}
//404页面返回
private void NotExistResp(MyHttpContext context)
{
string str = $"<!DOCTYPE html><html lang=en> <head><meta charset=UTF-8>" +
$"<meta name=viewport content=\"width = device - width, initial - scale = 1.0\">" +
$"<title>C# WebServer 404 Error</title></head> " +
$"<body> <h1>Opps 您要找的页面不存在!</h1>" +
$"<h2>{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")}</h2> " +
$"</body> </html>";
context.Response.StateCode = "404";
context.Response.StateDes = "Not Found!";
context.Response.ContentType = "text/html";
context.Response.Body = Encoding.UTF8.GetBytes(str);
// string notExistHtml = Path.Combine(MyConfigUtil.Get("baseWebPath"), "404.html");
//context.Response.Body = File.ReadAllBytes(notExistHtml);
}