C# Program to Accept an Employee Name from Client and Sends back the Employee Job using XML

//SERVER SIDE PROGRAM
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Configuration;
namespace ServerSocket
{
class Program
{
static TcpListener listener;
const int LIMIT = 5;
public static void Service()
{
while (true)
{
Socket soc = listener.AcceptSocket();
Console.WriteLine("Connected: {0}", soc.RemoteEndPoint);
try
{
Stream s = new NetworkStream(soc);
StreamReader sr = new StreamReader(s);
StreamWriter sw = new StreamWriter(s);
sw.AutoFlush = true; // enable automatic flushing
sw.WriteLine("{0} Employees available", ConfigurationSettings.AppSettings.Count);
while (true)
{
string name = sr.ReadLine();
if (name == "" || name == null) break;
string job = ConfigurationSettings.AppSettings[name];
if (job == null) job = "No such employee";
sw.WriteLine(job);
}
s.Close();
}
catch (Exception e)
{

Console.WriteLine(e.Message);
}
Console.WriteLine("Disconnected: {0}", soc.RemoteEndPoint);
soc.Close();
}
}
static void Main(string[] args)
{
listener = new TcpListener(2055);
listener.Start();

Console.WriteLine("Server mounted, listening to port 2055");
for (int i = 0; i < LIMIT; i++)
{
Thread t = new Thread(new ThreadStart(Service));
t.Start();
}
}
}
}
//XML CODING

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appSettings>
<add key = "mickey" value="manager"/>
<add key = "bob" value="tester"/>
<add key = "tom" value="clerk"/>
<add key = "jerry" value="manager"/>
</appSettings>
</configuration>

//CLIENT SIDE PROGRAM

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Net.Sockets;
namespace ClientSocket
{
class Program
{
static void Main(string[] args)
{
TcpClient client = new TcpClient("win7-PC", 2055);
try
{
Stream s = client.GetStream();
StreamReader sr = new StreamReader(s);
StreamWriter sw = new StreamWriter(s);
sw.AutoFlush = true;
Console.WriteLine(sr.ReadLine());
while (true)
{
Console.Write("Name: ");
string name = Console.ReadLine();
sw.WriteLine(name);
if (name == "") break;
Console.WriteLine(sr.ReadLine());
}
s.Close();
}
finally
{
client.Close();
}

}
}
}

Coding