feat: finish normal binding socket example

.gitignore

@@ -1,4 +1,4 @@
-DotnetSystemd/bin/**
-DotnetSystemd/obj/**
+*/bin/**
+*/obj/**
 .nuget-packages
 result

Client/Client.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+    <RootNamespace>Client</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Client/Program.cs

@@ -0,0 +1,13 @@
+using System.Net;
+using System.Net.Sockets;
+
+using var socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
+await socket.ConnectAsync(new IPEndPoint(IPAddress.Loopback, 9000));
+
+Console.WriteLine("Type into the console to echo the contents of your message.");
+
+var ns = new NetworkStream(socket);
+var readTask = Console.OpenStandardInput().CopyToAsync(ns);
+var writeTask = ns.CopyToAsync(Console.OpenStandardOutput());
+
+await Task.WhenAny(readTask, writeTask);

Client/deps.json

@@ -0,0 +1 @@
+[]

DotnetSystemd/Program.cs

@@ -1,2 +0,0 @@
-// See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");

Server/Program.cs

@@ -0,0 +1,39 @@
+using System.Net;
+using System.Net.Sockets;
+
+using var listener = new Socket(SocketType.Stream, ProtocolType.Tcp);
+listener.Bind(new IPEndPoint(IPAddress.Loopback, 9000));
+
+Console.WriteLine($"Listening on {listener.LocalEndPoint}");
+
+listener.Listen();
+
+while (true)
+{
+  var connection = await listener.AcceptAsync();
+
+  _ = Task.Run(async () =>
+    {
+
+      var buffer = new byte[4096];
+      try
+      {
+        while (true)
+        {
+          int read = await connection.ReceiveAsync(buffer, SocketFlags.None);
+          if (read == 0) break;
+
+          var message = System.Text.Encoding.Default.GetString(buffer[..read]);
+
+          Console.WriteLine($"Received new message: {message}");
+
+          await connection.SendAsync(buffer[..read], SocketFlags.None);
+        }
+      }
+      finally
+      {
+        connection.Dispose();
+      }
+    }
+  );
+}

Server/Server.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net10.0</TargetFramework>
-    <RootNamespace>dotnet_systemd</RootNamespace>
+    <RootNamespace>Server</RootNamespace>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>

dotnet-systemd.slnx

@@ -0,0 +1,5 @@
+<Solution>
+  <Folder Name="/Server/">
+    <Project Path="Server/Server.csproj" />
+  </Folder>
+</Solution>

flake.nix

@@ -23,11 +23,11 @@
         in
         {
           packages.default = pkgs.buildDotnetModule {
-            pname = "dotnet-systemd";
+            pname = "Server";
             version = "0.1.0";
-            src = ./DotnetSystemd;
+            src = ./Server;
 
-            nugetDeps = ./DotnetSystemd/deps.json;
+            nugetDeps = ./Server/deps.json;
 
             dotnet-sdk = pkgs.dotnet-sdk_10;
             dotnet-runtime = dotnetRuntime;
@@ -42,8 +42,8 @@
               mkdir -p $out/bin
               cp -r bin/Release/net10.0/* $out/bin/
 
-              makeWrapper ${dotnetRuntime}/bin/dotnet $out/bin/dotnet-systemd \
-                --add-flags "exec $out/bin/dotnet-systemd.dll" \
+              makeWrapper ${dotnetRuntime}/bin/dotnet $out/bin/Server \
+                --add-flags "exec $out/bin/Server.dll" \
                 --prefix LD_LIBRARY_PATH : "${
                   pkgs.lib.makeLibraryPath [
                     pkgs.stdenv.cc.cc.lib