我们只是用TCP服务器做一个小测验。我们可以将一个客户端连接到服务器，但多个服务器崩溃。忽略它里面的荷兰人。 可能有一些非逻辑的东西因为我们已经玩了几个小时。
我们的服务器代码：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Sockets;
using System.Diagnostics;
namespace Simpele_Server
{
class Program
{
const int portNr = 2000;
static void Main(string[] args)
{
Program obj = new Program();
string antwoord = "";
string client1Ant = "";
string client2Ant = "";
string client3ant = "";
System.Net.IPAddress localAddress = System.Net.IPAddress.Parse("10.145.4.43");
//Luister op het eigen IP-adres: 127.0.0.1 (Loop back adres)
TcpListener mijnListener = new TcpListener(localAddress, portNr);
mijnListener.Start();
Console.WriteLine("\n Wachten op verbinding...\n");
while (true)
{
//Aanvaard het binnenkomende verzoek
TcpClient eenClient = mijnListener.AcceptTcpClient();
//Gebruik een 'NetworkStream object' om gegevens te verzenden en te ontvangen
NetworkStream ns = eenClient.GetStream();
byte[] data = new byte[eenClient.ReceiveBufferSize];
//Lees de binnenkomende 'stream' --> Read() is een 'blocking call'
int numBytesRead = ns.Read(data, 0,System.Convert.ToInt32(eenClient.ReceiveBufferSize));
antwoord = Encoding.ASCII.GetString(data, 0, numBytesRead);
if (antwoord.Substring(0, 8).Equals("Client1:"))
{
client1Ant = antwoord;
Console.WriteLine(obj.ControleerAntwoorden1(client1Ant));
}
if (antwoord.Substring(0, 8).Equals("Client2:"))
{
client1Ant = antwoord;
Console.WriteLine(obj.ControleerAntwoorden2(client2Ant));
}
if (antwoord.Substring(0, 8).Equals("Client3:"))
{
client1Ant = antwoord;
Console.WriteLine(obj.ControleerAntwoorden3(client3ant));
}
//Beeld de ontvangen data af
Console.WriteLine("Ontvangen: " + antwoord);
}
//Voorkom onmiddellijk sluiten van het venster
Console.ReadLine();
}
private int ControleerAntwoorden1(string antwoord)
{
int punten = 0;
string antw;
antw = antwoord.Replace("Client1:", "");
//antw = antwoord.Replace("Client2:", "");
//antw = antwoord.Replace("Client3:", "");
Console.WriteLine(antw);
string ant1 = antw.Substring(0, 1);
string ant2 = antw.Substring(1, 1);
string ant3 = antw.Substring(2, 1);
string ant4 = antw.Substring(3, 1);
if (ant1.Equals("1"))
punten++;
if (ant2.Equals("2"))
punten++;
if (ant3.Equals("3"))
punten++;
if (ant4.Equals("4"))
punten++;
return punten;
}
private int ControleerAntwoorden2(string antwoord)
{
int punten = 0;
string antw;
//antw = antwoord.Replace("Client1:", "");
antw = antwoord.Replace("Client2:", "");
//antw = antwoord.Replace("Client3:", "");
Console.WriteLine(antw);
string ant1 = antw.Substring(0, 1);
string ant2 = antw.Substring(1, 1);
string ant3 = antw.Substring(2, 1);
string ant4 = antw.Substring(3, 1);
if (ant1.Equals("1"))
punten++;
if (ant2.Equals("2"))
punten++;
if (ant3.Equals("3"))
punten++;
if (ant4.Equals("4"))
punten++;
return punten;
}
private int ControleerAntwoorden3(string antwoord)
{
int punten = 0;
string antw;
//antw = antwoord.Replace("Client1:", "");
//antw = antwoord.Replace("Client2:", "");
antw = antwoord.Replace("Client3:", "");
Console.WriteLine(antw);
string ant1 = antw.Substring(0, 1);
string ant2 = antw.Substring(1, 1);
string ant3 = antw.Substring(2, 1);
string ant4 = antw.Substring(3, 1);
if (ant1.Equals("1"))
punten++;
if (ant2.Equals("2"))
punten++;
if (ant3.Equals("3"))
punten++;
if (ant4.Equals("4"))
punten++;
return punten;
}
}
}
我们的客户：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net.Sockets;
namespace client
{
public partial class Form1 : Form
{
const int poortNr = 2000;
//string ipadres = "127.0.0.1";
string ipadres = "10.145.4.43";
string strRead = null;
int intBytesRead;
string[] vragen = { "1. In welk jaar is 9/11 gebeurt?" + Environment.NewLine + " A = 2001" + Environment.NewLine + " B = 2000 " + Environment.NewLine + " C = 1999" + Environment.NewLine + " D = 1998",
"2. Welke kleur heeft een wolk?" + Environment.NewLine + " A = Blauw " + Environment.NewLine + " B = Groen " + Environment.NewLine + " C = Wit " + Environment.NewLine + " D = geel",
"3. Leeft Steve Jobs nog? " + Environment.NewLine + " A = Nee " + Environment.NewLine + " B = Ja " + Environment.NewLine + " C = Steve jobs heeft nooit bestaan " + Environment.NewLine + " D = test",
"4. test"};
string antwoorden = "";
int counter;
int aantalcounter = 2;
int vraagnr = 0;
TcpClient mijnClient = new TcpClient();
private void startTimer()
{
counter = aantalcounter;
timer1.Start();
timer1.Interval = 1000;
}
private void resetTimer()
{
counter = aantalcounter;
timer1.Stop();
timer1.Start();
}
private void stopTimer()
{
timer1.Stop();
}
public NetworkStream getNS()
{
//networkstream
NetworkStream mijnNS = mijnClient.GetStream();
return mijnNS;
}
public void disableRadiobuttons()
{
radioButton1.Enabled = false;
radioButton2.Enabled = false;
radioButton3.Enabled = false;
radioButton4.Enabled = false;
}
public void uncheckRadiobuttons()
{
radioButton1.Checked = false;
radioButton2.Checked = false;
radioButton3.Checked = false;
radioButton4.Checked = false;
}
//verzend data naar server
public void verzendData(string tekst)
{
byte[] aDataTeVersturen = Encoding.ASCII.GetBytes(tekst);
getNS().Write(aDataTeVersturen, 0, aDataTeVersturen.Length);
}
//zoek selected antwoord
public string getAntwoord()
{
string qsdf = "Client1: ";
string answer = "";
if (radioButton1.Checked == true)
{
answer = "1";
}
if (radioButton2.Checked == true)
{
answer = "2";
}
if (radioButton3.Checked == true)
{
answer = "3";
}
if (radioButton4.Checked == true)
{
answer = "4";
}
if (radioButton1.Checked == false && radioButton2.Checked == false && radioButton3.Checked == false && radioButton4.Checked == false)
{
answer = "0"; //geen antwoord
}
qsdf += answer;
return qsdf;
}
//alle antwoorden opslaan in lange string
public void opslaanAntwoorden(string antwoord)
{
antwoorden += antwoord;
}
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
txtVraag.Text = vragen[vraagnr];
startTimer();
try
{
mijnClient.Connect(ipadres, poortNr);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private void btnVerbreek_Click(object sender, EventArgs e)
{
getNS().Close();
mijnClient.Close();
Application.Exit();
}
private void timer1_Tick(object sender, EventArgs e)
{
}
private void txtAntwoord_TextChanged(object sender, EventArgs e)
{
}
private void btnOntvang_Click(object sender, EventArgs e)
{
//data van server krijgen
byte[] aDataOntvangen = new byte[Convert.ToInt32(mijnClient.ReceiveBufferSize)];
intBytesRead = getNS().Read(aDataOntvangen, 0, Convert.ToInt32(mijnClient.ReceiveBufferSize));
strRead = Encoding.ASCII.GetString(aDataOntvangen, 0, intBytesRead);
}
private void groupBox1_Enter(object sender, EventArgs e)
{
}
private void txtVraag_TextChanged(object sender, EventArgs e)
{
}
private void timer1_Tick_1(object sender, EventArgs e)
{
txtCount.Text = counter.ToString();
counter--;
if (counter == -1)
{
resetTimer();
startTimer();
opslaanAntwoorden(getAntwoord()); //antwoorden opslaan in 1 lange string
if (vraagnr != vragen.Length-1)
{
txtVraag.Text = vragen[vraagnr + 1];
volgendeVraag();
uncheckRadiobuttons();
}
else
{
verzendData(antwoorden); //zend alle antwoorden (einde van quiz)
txtVraag.Text = "Einde van quiz";
uncheckRadiobuttons();
disableRadiobuttons();
//timer op 0 + stoppen
stopTimer();
counter = 0;
txtCount.Text = counter.ToString();
}
}
}
private void volgendeVraag()
{
vraagnr++;
}
private void label2_Click(object sender, EventArgs e)
{
}
private void radioButton4_CheckedChanged(object sender, EventArgs e)
{
}
private void radioButton3_CheckedChanged(object sender, EventArgs e)
{
}
private void radioButton2_CheckedChanged(object sender, EventArgs e)
{
}
private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
}
private void lblCount_Click(object sender, EventArgs e)
{
}
}
}