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Handling POST HttpListener c#

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dreadiscool
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3 posts since Aug 2011
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Hi everyone.

I have a web server that I wrote in C#, and it serves HTML documents pretty fine. The code is a bit messy, and I'm going to clean it up, but my main question is how to handle POST when submit buttons are used in HTML?

Thanks!

This is my code so far:

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Reflection;
using System.IO;

namespace CoolioServerWeb
{
    class Program
    {
        public static HttpListener listener = new HttpListener();
        public static string startUpPath = System.IO.Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
        public static List<FileName> virtualPaths = new List<FileName>();
        public static void Main(string[] args)
        {
            listener.Start();
            load();
            Thread t = new Thread(new ThreadStart(clientListener));
            t.Start();
            Console.Write(">");
            while (true)
            {
                string s = Console.ReadLine();
                Console.Write(">");
            }
        }
        public static void load()
        {
            StreamReader sr = new StreamReader(startUpPath + "\\site.cfg");
            string s = sr.ReadLine();
            while (s != null)
            {
                if (s.StartsWith("Port: "))
                {
                    s = s.Replace("Port: ", "");
                    listener.Prefixes.Add(s);
                }
                s = sr.ReadLine();
            }
        }
        public static void clientListener()
        {
            while (true)
            {
                try
                {
                    HttpListenerContext request = listener.GetContext();
                    ThreadPool.QueueUserWorkItem(processRequest, request);
                }
                catch (Exception e) { Console.WriteLine(e.Message); Console.Write(">"); }
            }
        }
        public static void processRequest(object listenerContext)
        {
            try
            {
                var context = (HttpListenerContext)listenerContext;
                string filename = Path.GetFileName(context.Request.RawUrl);


                string path = "";
                filename = filename.ToLower();
                if (filename.EndsWith(".png") || filename.EndsWith(".jpg") || filename.EndsWith(".gif"))
                {
                    path = startUpPath + "\\webroot\\imgs\\" + filename;
                }
                else if (filename.EndsWith(".htm") || filename.EndsWith(".html") || filename.EndsWith(".js") || filename.EndsWith(".css"))
                {
                    path = startUpPath + "\\webroot\\" + filename;
                }
                else if (filename == "")
                {
                    path = startUpPath + "\\webroot\\index.html";
                }
                
                byte[] msg;
                if (!File.Exists(path))
                {
                    context.Response.StatusCode = (int)HttpStatusCode.NotFound;
                    msg = File.ReadAllBytes(startUpPath + "\\webroot\\error.html");
                }
                else
                {
                    context.Response.StatusCode = (int)HttpStatusCode.OK;
                    msg = File.ReadAllBytes(path);
                }
                context.Response.ContentLength64 = msg.Length;
                using (Stream s = context.Response.OutputStream)
                    s.Write(msg, 0, msg.Length);
            }
            catch
            {

            }
        }
    }
    class FileName
    {
        public string absolutePath = "";
        public string externalName = "";
    }
}
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thines01
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2,420 posts since Oct 2009
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What do you mean, "how to handle POST when submit buttons are used"?
Are you asking how to get values sent by the user?
On a GET, the values are sent through the Query String.
On a POST, the values are sent through environment variables.

...or are you asking something else?

You
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