www.pudn.com > tcpsocket.rar > chatDlg.cpp
// chatDlg.cpp : implementation file
//
#include "stdafx.h"
#include "chat.h"
#include "chatDlg.h"
#include "InitDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
volatile int threadController;
char * name;
char * IP;
int PORT;
CInitDlg BeginDlg;
/////////////////////////////////////////////////////////////////////////////
// CChatDlg dialog
CChatDlg::CChatDlg(CWnd* pParent /*=NULL*/)
: CDialog(CChatDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CChatDlg)
m_send = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CChatDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CChatDlg)
DDX_Control(pDX, IDC_BUTTON1, m_stoprecv);
DDX_Control(pDX, IDC_LIST1, m_recv);
DDX_Text(pDX, IDC_EDIT1, m_send);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CChatDlg, CDialog)
//{{AFX_MSG_MAP(CChatDlg)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, OnRecv)
ON_BN_CLICKED(IDC_BUTTON2, OnStopRecv)
ON_BN_CLICKED(IDOK, OnSend)
//}}AFX_MSG_MAP
ON_MESSAGE(WM_RECIEVED, OnRecieved)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CChatDlg message handlers
BOOL CChatDlg::OnInitDialog()
{
CDialog::OnInitDialog();
BeginDlg.DoModal();
name = new char[256];
IP = new char[16];
strcpy(IP,"192.168.0.62");
PORT = 1024;
// 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
}
// 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 CChatDlg::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 CChatDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
HANDLE RecvProc(LPVOID param)
{
WORD wVersionRequested;
WSAData wsaData;
struct sockaddr_in client;
struct sockaddr_in server;
char buf[256];
int s;
int clientfd;
int err;
//start socket
wVersionRequested = MAKEWORD( 2, 0 );
err = WSAStartup( wVersionRequested, &wsaData );
if ( err != 0 ) return 0;
if ( LOBYTE( wsaData.wVersion ) != 2 || HIBYTE( wsaData.wVersion ) != 0 ) {
WSACleanup( );
return 0;
}
//create socket
if ((s=socket(AF_INET, SOCK_STREAM,0))<0){
return 0;
}
//bind socket
server.sin_family = AF_INET;
PORT = atoi(BeginDlg.m_port);
server.sin_port = htons(PORT);
server.sin_addr.s_addr = INADDR_ANY;
if (bind(s, (struct sockaddr *)&server, sizeof(server)) == SOCKET_ERROR){
return 0;
}
int length = sizeof(server);
if(getsockname(s,(struct sockaddr *)&server,&length) < 0){
return 0;
}
if(listen(s,1)!=0){
return 0;
}
int tmp=sizeof(server);
int flag=0;
int clientnamelen=sizeof(client);
int pktlentmp;
CString tmpstr1;
while(threadController){
if((clientfd=accept(s,(struct sockaddr *)&client,&clientnamelen))==-1){
return 0;
}
if ((pktlentmp = recv(clientfd,buf,256,0))<=0){
return 0;
break;
}
else{
strcpy(name,buf);
::PostMessage((HWND)param, WM_RECIEVED, 0, 0);
}
}
closesocket(clientfd);
closesocket(s);
WSACleanup( );
::MessageBox((HWND)param, "接收已经停止！", "注意", MB_OK);
return 0;
}
void CChatDlg::OnRecv()
{
HWND hWnd = GetSafeHwnd();
threadController = 1;
AfxBeginThread((AFX_THREADPROC)RecvProc, hWnd, THREAD_PRIORITY_NORMAL);
GetDlgItem(IDC_BUTTON2)->EnableWindow(true);
}
void CChatDlg::OnStopRecv()
{
threadController = 0;
GetDlgItem(IDC_BUTTON1)->EnableWindow(false);
GetDlgItem(IDOK)->EnableWindow(false);
}
void CChatDlg::OnSend()
{
//Use Socket to Send The UserName and ComputerName
WORD wVersionRequested;
WSAData wsaData;
struct hostent *hp;
struct sockaddr_in client;
unsigned long ip_addr;
int sendlen;
int s;
int err;
wVersionRequested = MAKEWORD( 2, 0 );
err = WSAStartup( wVersionRequested, &wsaData );
if ( err != 0 ) {
ErrorMessage("Socket0.0版本错误");
return;
}
if ( LOBYTE( wsaData.wVersion ) != 2 || HIBYTE( wsaData.wVersion ) != 0 ) {
ErrorMessage("Socket1.0版本错误");
WSACleanup( );
return;
}
strcpy(IP,BeginDlg.m_ip);
PORT = atoi(BeginDlg.m_port);
// strcpy(tmpport,BeginDlg.m_port);
ip_addr=inet_addr(IP);
hp=gethostbyaddr((char *)&ip_addr,4,PF_INET);
if(hp==NULL){
ErrorMessage("获取IP地址信息错误");
return;
}
memcpy(&client.sin_addr,hp->h_addr,hp->h_length);
if((s=socket(AF_INET,SOCK_STREAM,0))<0){
ErrorMessage("创建Socket错误");
return;
}
client.sin_family=AF_INET;
client.sin_port=htons(PORT);
if(connect(s,(struct sockaddr*)&client,sizeof(client))<0){
closesocket(s);
ErrorMessage("Socket连接错误");
return;
}
UpdateData(true);
if((sendlen=send(s,m_send,256,0))<=0){
ErrorMessage("Socket发送错误");
return;
}
WSACleanup( );
// AfxMessageBox("发送完成！",MB_OK,0);
return;
}
LONG CChatDlg::OnRecieved(WPARAM wParam, LPARAM lParam)
{
m_recv.AddString(_T(name));
UpdateData(false);
return 0;
}
void CChatDlg::ErrorMessage(CString Msg)
{
LPVOID lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL
);
MessageBox((LPCTSTR )lpMsgBuf, Msg, MB_OK);
LocalFree( lpMsgBuf );
WSACleanup( );
}