From fb4dcaf3781527e9e37c04d1c79be0e2606505e8 Mon Sep 17 00:00:00 2001
From: glax <johanna@bernloehr.eu>
Date: Mon, 15 Jan 2024 19:33:05 +0100
Subject: [PATCH] GSIServer

---
 GSIServer.cs | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 GSIServer.cs

diff --git a/GSIServer.cs b/GSIServer.cs
new file mode 100644
index 0000000..1af325e
--- /dev/null
+++ b/GSIServer.cs
@@ -0,0 +1,52 @@
+using System.Net;
+using System.Text;
+// ReSharper disable LocalizableElement
+
+namespace CS2GSI;
+
+public class GSIServer
+{
+    private HttpListener HttpListener { get; init; }
+    internal delegate void OnMessageEventHandler(string content);
+    internal event OnMessageEventHandler? OnMessage;
+    private bool _keepRunning = true;
+    internal bool IsRunning { get; private set; }
+
+    internal GSIServer(int port)
+    {
+        HttpListener = new HttpListener();
+        HttpListener.Prefixes.Add($"http://127.0.0.1:{port}/");
+        HttpListener.Start();
+
+        Thread connectionListener = new (HandleConnection);
+        connectionListener.Start();
+
+        IsRunning = true;
+    }
+
+    private async void HandleConnection()
+    {
+        while (_keepRunning)
+        {
+            HttpListenerContext context = await HttpListener.GetContextAsync();
+            HttpListenerRequest request = context.Request;
+            
+            Console.WriteLine($"[{request.HttpMethod}] {request.Url} - {request.UserAgent}");
+
+            HttpResponseMessage responseMessage = new (HttpStatusCode.Accepted);
+            context.Response.OutputStream.Write(Encoding.UTF8.GetBytes(responseMessage.ToString()));
+
+            StreamReader reader = new (request.InputStream, request.ContentEncoding);
+            string content = await reader.ReadToEndAsync();
+            OnMessage?.Invoke(content);
+        }
+        HttpListener.Close();
+        IsRunning = false;
+    }
+
+    internal void Dispose()
+    {
+        _keepRunning = false;
+    }
+
+}
\ No newline at end of file