通信网原理实验报告编程实现聊天程序文档格式.docx
- 文档编号:19659440
- 上传时间:2023-01-08
- 格式:DOCX
- 页数:27
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通信网原理实验报告编程实现聊天程序文档格式.docx
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staticcharTHIS_FILE[]=__FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
//CAboutDlgdialogusedforAppAbout
classCAboutDlg:
publicCDialog
{
public:
CAboutDlg();
enum{IDD=IDD_ABOUTBOX};
protected:
virtualvoidDoDataExchange(CDataExchange*pDX);
//DDX/DDVsupport
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg:
:
CAboutDlg():
CDialog(CAboutDlg:
IDD)
}
voidCAboutDlg:
DoDataExchange(CDataExchange*pDX)
CDialog:
DoDataExchange(pDX);
BEGIN_MESSAGE_MAP(CAboutDlg,CDialog)
END_MESSAGE_MAP()
//CClientDlgdialog
CClientDlg:
CClientDlg(CWnd*pParent/*=NULL*/)
:
CDialog(CClientDlg:
IDD,pParent)
m_strDisplay=_T("
"
);
m_strSend=_T("
m_bWhispering=FALSE;
m_hIcon=AfxGetApp()->
LoadIcon(IDR_MAINFRAME);
voidCClientDlg:
DDX_Control(pDX,IDC_LIST_USER,m_lbUser);
DDX_Text(pDX,IDC_EDIT_DIAPLAY,m_strDisplay);
DDX_Text(pDX,IDC_EDIT_SEND,m_strSend);
DDX_Check(pDX,IDC_CHECK_WHISPERING,m_bWhispering);
BEGIN_MESSAGE_MAP(CClientDlg,CDialog)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BN_CONNECT,OnBnConnect)
ON_BN_CLICKED(IDC_BN_CLOSE,OnBnClose)
ON_BN_CLICKED(IDC_BN_SEND,OnBnSend)
ON_MESSAGE(WM_RECEIVE,OnReceive)
ON_MESSAGE(WM_SOCKETCLOSE,OnServerClose)
ON_MESSAGE(WM_SEND,OnSend)
ON_MESSAGE(WM_CONNCET,OnConnect)
ON_LBN_DBLCLK(IDC_LIST_USER,OnDblclkListUser)
//CClientDlgmessagehandlers
BOOLCClientDlg:
OnInitDialog()
OnInitDialog();
ASSERT((IDM_ABOUTBOX&
0xFFF0)==IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX<
0xF000);
CMenu*pSysMenu=GetSystemMenu(FALSE);
if(pSysMenu!
=NULL)
{
CStringstrAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if(!
strAboutMenu.IsEmpty())
{
pSysMenu->
AppendMenu(MF_SEPARATOR);
AppendMenu(MF_STRING,IDM_ABOUTBOX,strAboutMenu);
}
}
SetIcon(m_hIcon,TRUE);
//Setbigicon
SetIcon(m_hIcon,FALSE);
//Setsmallicon
//参数初始化
m_Socket.Initialize(this);
m_strNetIP=_T("
127.0.0.1"
m_iNetPort=3127;
m_bConnect=FALSE;
GetDlgItem(IDC_BN_CLOSE)->
EnableWindow(FALSE);
GetDlgItem(IDC_BN_SEND)->
returnTRUE;
//returnTRUEunlessyousetthefocustoacontrol
OnSysCommand(UINTnID,LPARAMlParam)
if((nID&
0xFFF0)==IDM_ABOUTBOX)
CAboutDlgdlgAbout;
dlgAbout.DoModal();
else
CDialog:
OnSysCommand(nID,lParam);
OnPaint()
if(IsIconic())
CPaintDCdc(this);
//devicecontextforpainting
SendMessage(WM_ICONERASEBKGND,(WPARAM)dc.GetSafeHdc(),0);
intcxIcon=GetSystemMetrics(SM_CXICON);
intcyIcon=GetSystemMetrics(SM_CYICON);
CRectrect;
GetClientRect(&
rect);
intx=(rect.Width()-cxIcon+1)/2;
inty=(rect.Height()-cyIcon+1)/2;
dc.DrawIcon(x,y,m_hIcon);
OnPaint();
HCURSORCClientDlg:
OnQueryDragIcon()
return(HCURSOR)m_hIcon;
OnBnConnect()
CStringstrConnectError;
//获取用户名字
CInputDlginputDlg;
intiResult=inputDlg.DoModal();
if(iResult==IDCANCEL){return;
m_strName=inputDlg.m_strName;
//创建套接字
if(!
m_Socket.Create())
strConnectError.LoadString(IDS_FAIL_CREATE_SOCKET);
ShowInDisplay(strConnectError);
return;
CStringstrInfo;
strInfo.LoadString(IDS_CONNECTING);
ShowInDisplay(strInfo);
//连接服务器
m_Socket.Connect(m_strNetIP,m_iNetPort))
intn=m_Socket.GetLastError();
strConnectError.LoadString(IDS_FAIL_CONNECT);
strInfo.LoadString(IDS_SUCCEED_CONNECT);
m_bConnect=TRUE;
//发送自已的名字
NETMESSAGEnetMessage(PTC_NEW,m_strName,_T("
),_T("
));
m_Socket.SendMsg(netMessage);
GetDlgItem(IDC_BN_CONNECT)->
EnableWindow(TRUE);
OnBnClose()
if(m_bConnect)
m_Socket.Close();
m_bConnect=FALSE;
GetDlgItem(IDC_BN_CONNECT)->
GetDlgItem(IDC_BN_CLOSE)->
GetDlgItem(IDC_BN_SEND)->
m_lbUser.ResetContent();
CStringstrMsg;
strMsg.LoadString(IDS_BREAK);
ShowInDisplay(strMsg);
OnBnSend()
OnSend();
UpdateData(FALSE);
OnReceive()
NETMESSAGEnetMessage;
m_Socket.Receive((char*)&
netMessage,sizeof(netMessage));
CStringstrForm=netMessage.form;
//过滤自已发出的信息
if(strForm==m_strName)return;
CStringstrTo=netMessage.to;
CStringstrMsg=netMessage.data;
switch(netMessage.type)
casePTC_USER_LIST:
//用户列表
m_lbUser.AddString(strMsg);
break;
casePTC_NEW:
//新用户进入
m_lbUser.AddString(strForm);
ShowInDisplay(strMsg);
casePTC_SAY:
ShowMessage(netMessage);
casePTC_WHISPERING:
//密语
if(strTo!
=m_strName)return;
casePTC_CLIENT_QUIT:
//有用户退出
m_lbUser.DeleteString(m_lbUser.FindString(-1,strForm));
OnServerClose()
m_bConnect)return;
CStringstrMsg;
strMsg.LoadString(IDS_SERVER_CLOSE);
ShowInDisplay(strMsg);
m_Socket.Close();
m_lbUser.ResetContent();
OnSend()
UpdateData(TRUE);
//主要是填充NETMESSAGE结构体
strcpy(netMessage.form,m_strName);
strcpy(netMessage.data,m_strSend);
//取得列表框中的用户
if(m_lbUser.GetText(m_lbUser.GetCurSel(),netMessage.to)==LB_ERR)
strcpy(netMessage.to,_T("
if(m_bWhispering)
//密语
CStringstrTo=netMessage.to;
if(strTo==_T("
))
MessageBox("
请选择对方!
"
错误"
return;
netMessage.type=PTC_WHISPERING;
所有人"
netMessage.type=PTC_SAY;
//发送该信息
//显示发送信息
ShowInDisplay("
你对"
+strTo+"
说:
+strMsg);
ShowInDisplay(CStringstr)
m_strDisplay+=str+"
\r\n"
;
ShowMessage(constNETMESSAGE&
netMessage)
if(strTo==_T("
))
strTo="
elseif(strTo==m_strName)
你"
CStringstrOut=strForm+"
对"
+strMsg;
ShowInDisplay(strOut);
OnDblclkListUser()
//TODO:
Addyourcontrolnotificationhandlercodehere
m_lbUser.SetCurSel(-1);
OnConnect()
(二)服务端
服务器端聊天程序必须能够做3件事情:
(1)服务器聊天程序要在待定的端口上等待来自聊天客户的连接请求,并且需要维护一个客户连接表,以记录所有成功的连接。
(2)服务器聊天程序要及时接受从各个聊天客户发送过来的信息,然后把这些信息转发到一个或多个客户连接。
对于公共聊天室,服务器将把接受到的信息向除源端外的所有客户发送过去。
(3)服务器还要监控这些连接的状态,在客户主动离开或发生故障时从列表中删除相应的表项,并及时更新连接表。
服务端程序如下:
//ServerDlg.cpp:
Server.h"
ServerDlg.h"
//CServerDlgdialog
CServerDlg:
CServerDlg(CWnd*pParent/*=NULL*/)
CDialog(CServerDlg:
LoadIcon(IDI_ICONAPP);
voidCServerDlg:
DDX_Control(pDX,IDC_LIST_USER,m_lbUser);
DDX_Text(pDX,IDC_EDIT_DISPLAY,m_strDisplay);
BEGIN_MESSAGE_MAP(CServerDlg,CDialog)
ON_BN_CLICKED(IDC_BN_START,OnBnStart)
ON_MESSAGE(WM_CLIENTCLOSE,OnClientClose)
ON_MESSAGE(WM_ACCEPT,OnAccept)
ON_WM_DESTROY()
//CServerDlgmessagehandlers
BOOLCServerDlg:
AppendMenu(MF_SEPARA
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