using System;
using System.IO;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Web;
namespace Max2Babylon
{
public static class WebServer
{
private static readonly HttpListener listener;
private static Task runningTask;
const string HtmlResponseText = @"
Babylon.js
";
public const int Port = 45478;
public static bool IsSupported { get; private set; }
static WebServer()
{
try
{
listener = new HttpListener();
if (!HttpListener.IsSupported)
{
IsSupported = false;
return;
}
listener.Prefixes.Add("http://localhost:" + Port + "/");
listener.Start();
runningTask = Task.Run(() => Listen());
IsSupported = true;
}
catch
{
IsSupported = false;
}
}
public static string SceneFilename { get; set; }
public static string SceneFolder { get; set; }
static Random r = new Random();
static void Listen()
{
try
{
while (listener.IsListening)
{
var context = listener.GetContext();
var request = context.Request;
var url = request.Url;
context.Response.AddHeader("Cache-Control", "no-cache");
if (string.IsNullOrEmpty(url.LocalPath) || url.LocalPath == "/")
{
var responseText = HtmlResponseText.Replace("###SCENE###", SceneFilename+"?once="+r.Next());
WriteResponse(context, responseText);
}
else
{
try
{
var path = Path.Combine(SceneFolder, HttpUtility.UrlDecode(url.PathAndQuery.Substring(1)));
var questionMarkIndex = path.IndexOf("?");
if (questionMarkIndex != -1)
{
path = path.Substring(0, questionMarkIndex);
}
var hashIndex = path.IndexOf("#");
if (hashIndex != -1)
{
path = path.Substring(0, hashIndex);
}
var buffer = File.ReadAllBytes(path);
WriteResponse(context, buffer);
}
catch
{
context.Response.StatusCode = 404;
context.Response.Close();
}
}
}
}
catch
{
}
}
static void WriteResponse(HttpListenerContext context, string s)
{
WriteResponse(context.Response, s);
}
static void WriteResponse(HttpListenerContext context, byte[] buffer)
{
WriteResponse(context.Response, buffer);
}
static void WriteResponse(HttpListenerResponse response, string s)
{
byte[] buffer = Encoding.UTF8.GetBytes(s);
WriteResponse(response, buffer);
}
static void WriteResponse(HttpListenerResponse response, byte[] buffer)
{
response.ContentLength64 = buffer.Length;
Stream output = response.OutputStream;
output.Write(buffer, 0, buffer.Length);
output.Close();
}
}
}