블로그 이미지
따시쿵

calendar

 «  »       
일 월 화 수 목 금 토
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31

Notice

'c# tcp socket'에 해당되는 글 1건

  1. 2015.03.12 [Program C#] 서버-클라이언트 1:1 통신
2015. 3. 12. 10:20 C# with TCP/IP

[Program C#] 서버-클라이언트 1:1 통신

프로그램 설명


TcpListener와 TcpClient를 이용한 1:1 통신을 하는 프로그램입니다.

서버와 클라이언트 통신하는 순서와 아래와 같습니다.




실행 후




메시진 전송 후




프로그램 작성 순서


1. 서버 프로그램


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
public partial class MainForm : Form
{
    TcpListener serverSocket = null;
    TcpClient clientSocket = null;
 
    public MainForm()
    {
        InitializeComponent();
 
        // socket start
        new Thread(delegate()
            {
                InitSocket();
            }).Start();
    }
 
    private void InitSocket()
    {
        try
        {
            serverSocket = new TcpListener(IPAddress.Any, 9999);
            clientSocket = default(TcpClient);
            serverSocket.Start();
            DisplayText(" >> Server Started");
 
            clientSocket = serverSocket.AcceptTcpClient();
            DisplayText(" >> Accept connection from client");
 
            Thread threadHandler = new Thread(new ParameterizedThreadStart(OnAccepted));
            threadHandler.IsBackground = true;
            threadHandler.Start(clientSocket);
        }
        catch (SocketException se)
        {
            DisplayText(string.Format("InitSocket : SocketException : {0}", se.Message));
        }
        catch (Exception ex)
        {
            DisplayText(string.Format("InitSocket : Exception : {0}", ex.Message));
        }
    }
 
    private void OnAccepted(object sender)
    {
        TcpClient clientSocket = sender as TcpClient;
 
        while (true)
        {
            try
            {
                NetworkStream stream = clientSocket.GetStream();
                byte[] buffer = new byte[1024];
 
                stream.Read(buffer, 0, buffer.Length);
                string msg = Encoding.Unicode.GetString(buffer);
                msg = msg.Substring(0, msg.IndexOf("$"));
                DisplayText(" >> Data from client - " + msg);
 
                string response = "Last Message from client - " + msg;
                byte[] sbuffer = Encoding.Unicode.GetBytes(response);
 
                stream.Write(sbuffer, 0, sbuffer.Length);
                stream.Flush();
 
                DisplayText(" >> " + response);
            }
            catch (SocketException se)
            {
                DisplayText(string.Format("OnAccepted : SocketException : {0}", se.Message));
                break;
            }
            catch (Exception ex)
            {
                DisplayText(string.Format("OnAccepted : Exception : {0}", ex.Message));
                break;
            }
        }
 
        clientSocket.Close();
    }
 
    private void DisplayText(string text)
    {
        if (richTextBoxMsg.InvokeRequired)
        {
            richTextBoxMsg.BeginInvoke(new MethodInvoker(delegate
            {
                richTextBoxMsg.AppendText(text + Environment.NewLine);
            }));
        }
        else
            richTextBoxMsg.AppendText(text + Environment.NewLine);
 
    }
 
    private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
    {
        if (clientSocket != null)
        {
            clientSocket.Close();
            clientSocket = null;
        }
 
        if (serverSocket != null)
        {
            serverSocket.Stop();
            serverSocket = null;
        }
    }
}


2. 클라이언트 프로그램


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
public partial class MainForm : Form
{
    TcpClient clientSocket = new TcpClient();
 
    public MainForm()
    {
        InitializeComponent();
 
        new Thread(delegate()
        {
            InitSocket();
        }).Start();     
    }
 
    private void InitSocket()
    {
        try
        {
            clientSocket.Connect("192.168.0.12", 9999);
            DisplayText("Client Started");
            labelStatus.Text = "Client Socket Program - Server Connected ...";
        }
        catch (SocketException se)
        {
            MessageBox.Show(se.Message, "Error");
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message, "Error");
        }
    }
     
    private void btnSend_Click(object sender, EventArgs e)
    {
        NetworkStream stream = clientSocket.GetStream();
        byte[] sbuffer = Encoding.Unicode.GetBytes(richTextBox2.Text + "$");
        stream.Write(sbuffer, 0, sbuffer.Length);
        stream.Flush();
 
        byte[] rbuffer = new byte[1024];
        stream.Read(rbuffer, 0, rbuffer.Length);
        string msg = Encoding.Unicode.GetString(rbuffer);
        DisplayText(msg);
 
        richTextBox2.Text = "";
        richTextBox2.Focus();
    }
 
    private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
    {
        if (clientSocket != null)
            clientSocket.Close();
    }
 
    private void DisplayText(string text)
    {
        if (richTextBox1.InvokeRequired)
        {
            richTextBox1.BeginInvoke(new MethodInvoker(delegate
            {
                richTextBox1.AppendText(Environment.NewLine + " >> " + text);
            }));
        }
        else
            richTextBox1.AppendText(Environment.NewLine + " >> " + text);
    }
}


저작자표시

'C# with TCP/IP' 카테고리의 다른 글

[Program C#] 서버-클라이언트 1:N 통신  (1) 2015.03.14
[Program C#] Socket multiple port로 작업하기  (0) 2015.03.12
[Program C#] 비동기 접속 - 윈도우폼  (0) 2015.03.06
[Program C#] 라이브러리를 이용한 클라이언트-서버 소켓  (0) 2015.02.25
[Program C#]Client-Server Broadcast 예제 - 콘솔버전  (0) 2015.02.09
posted by 따시쿵
prev 1 next

티스토리툴바