网络编程-Socket编程
贵州大学实验报告
学院：计算机科学与技术学院专业：软件工程班级：软件123 姓名*** 学号*** 实验组实验时间2015-4-15 指导教师蔡丽成绩
实验项目名称Socket编程
实
验
目
的
通过本实验掌握C#中基础Socket的使用方法，了解其区别与适用场合。实
验要求
实现简单的基于TCP或UDP的通信程序（可以基于控制台，也可以基于窗体），要求使用C#的基础Socket。
实
验
原
理
使用C#的基础Socket 程序设计
实
验
环
境
VC++
实
验步骤1. 设计通信流程。
2. 实现程序功能。
实
验内容
实现简单的基于TCP或UDP的通信程序（可以基于控制台，也可以基于窗体），要求使用C#的基础Socket。
实
验
数
据
客户端
#include "stdafx.h"
#include "lx1.h"
#include "lx1Dlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CLx1Dlg dialog
CLx1Dlg::CLx1Dlg(CWnd* pParent /*=NULL*/)
: CDialog(CLx1Dlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CLx1Dlg)
// NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CLx1Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CLx1Dlg)
// NOTE: the ClassWizard will add DDX and DDV calls here
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CLx1Dlg, CDialog)
//{{AFX_MSG_MAP(CLx1Dlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_CONNECT, OnConnect)
ON_BN_CLICKED(IDC_SEND, OnSend)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CLx1Dlg message handlers
BOOL CLx1Dlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
}
void CLx1Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CLx1Dlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CLx1Dlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
//DEL void CClient::OnReceive(int nErrorCode)
//DEL {
//DEL // TODO: Add your specialized code here and/or call the base class
//DEL ((CLx1Dlg*)(AfxGetApp()->m_pMainWnd))->ShowMsg();
//DEL CSocket::OnReceive(nErrorCode);
//DEL }
void CClient::OnReceive(int nErrorCode)
{
// TODO: Add your specialized code here and/or call the base class
((CLx1Dlg*)(AfxGetApp()->m_pMainWnd))->ShowMsg();
CSocket::OnReceive(nErrorCode);
}
void CLx1Dlg::ShowMsg()
{
char buf[255];
m_client.Receive(buf, 255); //接收消息到buf里面，长度255字节。
CString msg;
msg.Format("%s", buf);
AfxMessageBox(msg); //用AfxMessageBox函数显示接收到的字符窜。
}
void CLx1Dlg::OnConnect()
{
// TODO: Add your control notification handler code here
UpdateData(TRUE);
m_client.Create(1001); //使用1001号端口
if(m_client.Connect(m_ip, 1000)) //连接目标地址，1000端口
{
AfxMessageBox("Client端连接成功");
m_send.EnableWindow(TRUE); //连接成功，可以发送
m_connect.EnableWindow(FALSE); //同时禁止连接按钮}
else
{
m_client.Close(); //如果连接失败就关闭
AfxMessageBox("连接失败");
}
}
void CLx1Dlg::OnSend()
{
// TODO: Add your control notification handler code here
UpdateData(TRUE); //更新数据，使m_msg得到当前框中文本m_client.Send(m_msg,255); //发送数据，长度255字节
}
void CLx1Dlg::OnDestroy()
{
CDialog::OnDestroy();
m_client.Close(); //关闭套接字
}
服务器端：
/ / lx2Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "lx2.h"
#include "lx2Dlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CLx2Dlg dialog
CLx2Dlg::CLx2Dlg(CWnd* pParent /*=NULL*/)
: CDialog(CLx2Dlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CLx2Dlg)
// NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CLx2Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CLx2Dlg)
// NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CLx2Dlg, CDialog)
//{{AFX_MSG_MAP(CLx2Dlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_LISTEN, OnListen)
ON_BN_CLICKED(IDC_SEND, OnSend)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CLx2Dlg message handlers
BOOL CLx2Dlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
m_send.EnableWindow(FALSE); //使发送按钮变灰
return TRUE;
}
void CLx2Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CLx2Dlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CLx2Dlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CLx2Dlg::OnListen()
{
// TODO: Add your control notification handler code here
m_server.Create(1000); // 使用1000号端口
m_server.Listen(); // 侦听
}
void CLx2Dlg::OnSend()
{
// TODO: Add your control notification handler code here
UpdateData(TRUE); //更新数据，使m_msg得到当前框中文本
m_recv.Send(m_msg, 255); //发送数据
m_ctrl.SetSel(0, -1); //全选发送框文字
m_ctrl.ReplaceSel("", TRUE);//将发送框置空
}
void CLx2Dlg::ShowAccept()
{
m_server.Accept(m_recv);
AfxMessageBox("Server端连接成功");
m_send.EnableWindow(TRUE); // 连接成功，可以发送
m_listen.EnableWindow(FALSE); // 同时禁止侦听按钮
}
void CLx2Dlg::ShowMsg()
{
char buf[255];
m_recv.Receive(buf,255); //接收消息到buf里面，长度255字节。
CString msg;
msg.Format("%s",buf); //用AfxMessageBox函数显示接收到的字符窜。
AfxMessageBox(msg); //这里注意CString类的用法}
实
验
这次实验我了解了如何基于socket写聊天程序，还是有很大收获的
总
结
指
导
教
师
意
见签名：年月日