echo server

Echo/Client/Client.cs

@@ -0,0 +1,38 @@
+using System.Net;
+using System.Net.Sockets;
+using System.Text;
+
+namespace Client;
+
+internal class Client
+{
+	static void Main(string[] args)
+	{
+		using (Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
+		{
+			IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 20000);
+			socket.Connect(endPoint);
+
+			while (true)
+			{
+				string str = Console.ReadLine();
+				if (str == "exit")
+					return;
+
+				byte[] buffer = Encoding.UTF8.GetBytes(str);
+				socket.Send(buffer);
+
+				byte[] buffer2 = new byte[256];
+				int byteRead = socket.Receive(buffer2);
+				if (byteRead < 1)
+				{
+					Console.WriteLine("Disconnecting server...");
+					return;
+				}
+
+				string str2 = Encoding.UTF8.GetString(buffer2);
+				Console.WriteLine($"[Receive] {str2}");
+			}
+		}
+	}
+}

Echo/Client/Client.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>