simple machine server

.vscode/launch.json

@@ -0,0 +1,42 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            // Use IntelliSense to find out which attributes exist for C# debugging
+            // Use hover for the description of the existing attributes
+            // For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
+            "name": ".NET Core Launch (Server)",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build",
+            // If you have changed target frameworks, make sure to update the program path.
+            "program": "${workspaceFolder}/MultiThreadTCPServer/bin/Debug/net6.0/MultiThreadTCPServer.dll",
+            "args": [],
+            "cwd": "${workspaceFolder}/MultiThreadTCPServer",
+            // For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console
+            "console": "internalConsole",
+            "stopAtEntry": false
+        },
+        {
+            // Use IntelliSense to find out which attributes exist for C# debugging
+            // Use hover for the description of the existing attributes
+            // For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
+            "name": ".NET Core Launch (Client)",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build-client",
+            // If you have changed target frameworks, make sure to update the program path.
+            "program": "${workspaceFolder}/MultiThreadTCPClient/bin/Debug/net6.0/MultiThreadTCPServer.dll",
+            "args": [],
+            "cwd": "${workspaceFolder}/MultiThreadTCPClient",
+            // For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console
+            "console": "internalConsole",
+            "stopAtEntry": false
+        },
+        {
+            "name": ".NET Core Attach",
+            "type": "coreclr",
+            "request": "attach"
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,53 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "build",
+                "${workspaceFolder}/MultiThreadTCPServer/MultiThreadTCPServer.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "problemMatcher": "$msCompile"
+        },
+        {
+            "label": "publish",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "publish",
+                "${workspaceFolder}/MultiThreadTCPServer/MultiThreadTCPServer.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "problemMatcher": "$msCompile"
+        },
+        {
+            "label": "watch",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "watch",
+                "run",
+                "--project",
+                "${workspaceFolder}/MultiThreadTCPServer/MultiThreadTCPServer.csproj"
+            ],
+            "problemMatcher": "$msCompile"
+        },
+        {
+            "label": "build-client",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "build",
+                "${workspaceFolder}/MultiThreadTCPClient/MultiThreadTCPClient.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "problemMatcher": "$msCompile"
+        },
+    ]
+}

MachineServer/MachineServer.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>

MachineServer/Program.cs

@@ -0,0 +1,15 @@
+using MachineServer;
+
+class Program
+{
+    static void Main(string[] args)
+    {
+        Thread t = new Thread(() =>
+        {
+            Server myserver = new Server("127.0.0.1", 7468);
+        });
+
+        t.Start();
+        Console.WriteLine("Server Started...!");
+    }
+}

MachineServer/Server.cs

@@ -0,0 +1,82 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Sockets;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MachineServer
+{
+    internal class Server
+    {
+        TcpListener _server = null;
+
+        public Server(string ip, int port)
+        {
+            IPAddress localAddr = IPAddress.Parse(ip);
+            _server = new TcpListener(localAddr, port);
+            _server.Start();
+            StartListener();
+        }
+
+        private void StartListener()
+        {
+            try
+            {
+                while (true)
+                {
+                    Console.WriteLine("Waiting for a connection...");
+                    TcpClient client = _server.AcceptTcpClient();
+                    Console.WriteLine("Connected!");
+
+                    Thread t = new Thread(new ParameterizedThreadStart(HandleClient));
+                    t.Start(client);
+                }
+            }
+            catch (SocketException e)
+            {
+                Console.WriteLine("SocketException: {0}", e);
+                _server.Stop();
+            }
+        }
+
+        public void HandleClient(object obj)
+        {
+            TcpClient client = (TcpClient)obj;
+            var stream = client.GetStream();
+
+            string imei = String.Empty;
+
+            string data = String.Empty;
+
+            Byte[] bytes = new Byte[256];
+            int i;
+
+            try
+            {
+                while ((i = stream.Read(bytes, 0, bytes.Length)) != 0)
+                {
+                    string hex = BitConverter.ToString(bytes);
+                    //
+                    int msgType = BitConverter.ToInt32(bytes, 0);
+                    int msgLength = BitConverter.ToInt32(bytes, sizeof(int));
+                    string msg = Encoding.ASCII.GetString(bytes, 2*sizeof(int), msgLength);
+                    data = Encoding.ASCII.GetString(bytes, 0, i);
+                    Console.WriteLine($"{data}: Received: {Thread.CurrentThread.ManagedThreadId}");
+
+                    string str = "Hey Client!";
+                    Byte[] reply = System.Text.Encoding.ASCII.GetBytes(str);
+                    stream.Write(reply, 0, reply.Length);
+                    Console.WriteLine($"{Thread.CurrentThread.ManagedThreadId}: Sent: {str}");
+                }
+
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine("Exception: {0}", e.ToString());
+                client.Close();
+            }
+        }
+    }
+}

MultiThreadTCP.sln

@@ -3,9 +3,11 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.5.33103.201
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MultiThreadTCPServer", "MultiThreadTCPServer\MultiThreadTCPServer.csproj", "{7C366206-F583-4E04-9715-AA36E8FFB3A8}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MultiThreadTCPServer", "MultiThreadTCPServer\MultiThreadTCPServer.csproj", "{7C366206-F583-4E04-9715-AA36E8FFB3A8}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MultiThreadTCPClient", "MultiThreadTCPClient\MultiThreadTCPClient.csproj", "{E7C9CEE3-6088-485D-825D-4463E5CE5C70}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MultiThreadTCPClient", "MultiThreadTCPClient\MultiThreadTCPClient.csproj", "{E7C9CEE3-6088-485D-825D-4463E5CE5C70}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MachineServer", "MachineServer\MachineServer.csproj", "{608C7096-A4A6-4465-A356-73886C92CFFD}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -21,6 +23,10 @@ Global
 		{E7C9CEE3-6088-485D-825D-4463E5CE5C70}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E7C9CEE3-6088-485D-825D-4463E5CE5C70}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{E7C9CEE3-6088-485D-825D-4463E5CE5C70}.Release|Any CPU.Build.0 = Release|Any CPU
+		{608C7096-A4A6-4465-A356-73886C92CFFD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{608C7096-A4A6-4465-A356-73886C92CFFD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{608C7096-A4A6-4465-A356-73886C92CFFD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{608C7096-A4A6-4465-A356-73886C92CFFD}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE