From cb305792d0d9b920c3d47f0667d3a48180019e37 Mon Sep 17 00:00:00 2001
From: DTieman <djurre.tieman@gmail.com>
Date: Mon, 13 Mar 2023 11:44:34 +0100
Subject: [PATCH] Basic websocket setup

---
 .gitignore                          |  5 +++
 Controllers/WebSocketsController.cs | 53 +++++++++++++++++++++++++++++
 MauMau-Server.csproj                | 16 +++++++++
 Program.cs                          | 29 ++++++++++++++++
 README.md                           |  1 +
 appsettings.Development.json        |  8 +++++
 appsettings.json                    |  9 +++++
 7 files changed, 121 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Controllers/WebSocketsController.cs
 create mode 100644 MauMau-Server.csproj
 create mode 100644 Program.cs
 create mode 100644 README.md
 create mode 100644 appsettings.Development.json
 create mode 100644 appsettings.json

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..77c1c5f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+.idea
+bin
+obj
+Properties
+appsettings.Local.json
diff --git a/Controllers/WebSocketsController.cs b/Controllers/WebSocketsController.cs
new file mode 100644
index 0000000..2f4944e
--- /dev/null
+++ b/Controllers/WebSocketsController.cs
@@ -0,0 +1,53 @@
+using System.Net.WebSockets;
+using System.Text;
+using Microsoft.AspNetCore.Mvc;
+
+namespace MauMau_Server.Controllers;
+
+[ApiController]
+[Route("[controller]")]
+public class WebSocketsController : ControllerBase
+{
+    private readonly ILogger<WebSocketsController> _logger;
+
+    public WebSocketsController(ILogger<WebSocketsController> logger)
+    {
+        _logger = logger;
+    }
+
+    [HttpGet("/ws")]
+    public async Task Get()
+    {
+        if (HttpContext.WebSockets.IsWebSocketRequest)
+        {
+            using var webSocket = await HttpContext.WebSockets.AcceptWebSocketAsync();
+            _logger.Log(LogLevel.Information, "WebSocket connection established");
+            await Echo(webSocket);
+        }
+        else
+        {
+            HttpContext.Response.StatusCode = 400;
+        }
+    }
+        
+    private async Task Echo(WebSocket webSocket)
+    {
+        var buffer = new byte[1024 * 4];
+        var result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
+        _logger.Log(LogLevel.Information, "Message received from Client");
+
+        while (!result.CloseStatus.HasValue)
+        {
+            var serverMsg = Encoding.UTF8.GetBytes($"Server: Hello. You said: {Encoding.UTF8.GetString(buffer)}");
+            await webSocket.SendAsync(new ArraySegment<byte>(serverMsg, 0, serverMsg.Length), result.MessageType, result.EndOfMessage, CancellationToken.None);
+            _logger.Log(LogLevel.Information, "Message sent to Client");
+
+            buffer = new byte[1024 * 4];
+            result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
+            _logger.Log(LogLevel.Information, "Message received from Client");
+                
+        }
+        await webSocket.CloseAsync(result.CloseStatus.Value, result.CloseStatusDescription, CancellationToken.None);
+        _logger.Log(LogLevel.Information, "WebSocket connection closed");
+    }
+}
\ No newline at end of file
diff --git a/MauMau-Server.csproj b/MauMau-Server.csproj
new file mode 100644
index 0000000..3a79e42
--- /dev/null
+++ b/MauMau-Server.csproj
@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <RootNamespace>MauMau_Server</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNet.SignalR" Version="2.4.3" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="7.0.3" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
+  </ItemGroup>
+
+</Project>
diff --git a/Program.cs b/Program.cs
new file mode 100644
index 0000000..1230db5
--- /dev/null
+++ b/Program.cs
@@ -0,0 +1,29 @@
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+var services = builder.Services;
+services.AddControllers();
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+services.AddEndpointsApiExplorer();
+services.AddSwaggerGen();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+var webSocketOptions = new WebSocketOptions()
+{
+    KeepAliveInterval = TimeSpan.FromSeconds(120),
+};
+
+app.UseWebSockets(webSocketOptions);
+
+app.UseHttpsRedirection();
+app.UseAuthorization();
+app.MapControllers();
+app.Run();
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..5dfe9d7
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+Mau
\ No newline at end of file
diff --git a/appsettings.Development.json b/appsettings.Development.json
new file mode 100644
index 0000000..0c208ae
--- /dev/null
+++ b/appsettings.Development.json
@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}
diff --git a/appsettings.json b/appsettings.json
new file mode 100644
index 0000000..10f68b8
--- /dev/null
+++ b/appsettings.json
@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}