【实例简介】

【实例截图】

【核心代码】

// ServerDlg.cpp : implementation file

//

#include "stdafx.h"

#include "Server.h"

#include "ServerDlg.h"

#ifdef _DEBUG

#define new DEBUG_NEW

#undef THIS_FILE

static char THIS_FILE[] = __FILE__;

#endif

//全局变量

CWinThread *pThread = NULL;

bool m_exit = false;

unsigned int StartServer(LPVOID lParam)

{

//初始化Winscok

if (!AfxSocketInit())

{

AfxMessageBox(IDP_SOCKETS_INIT_FAILED);

return 1;

}

m_exit = false;

CServerDlg *aDlg = (CServerDlg *)lParam;

//获取端口

CString strPort;

aDlg->GetDlgItemText(IDC_EDIT_PORT, strPort);

UINT nPort = atoi(strPort);

//socket----创建2个socket--------------------------------------------

CSocket aSocket, serverSocket;

//最好不要使用aSocket.Create创建，因为容易会出现10048错误

if (!aSocket.Socket())

{

char szError[256] = {0};

sprintf(szError, "Create Faild: %d", GetLastError());

AfxMessageBox(szError);

return 1;

}

BOOL bOptVal = TRUE;

int bOptLen = sizeof(BOOL);

//设置Socket的选项, 解决10048错误必须的步骤

aSocket.SetSockOpt(SO_REUSEADDR, (void *)&bOptVal, bOptLen, SOL_SOCKET);

//绑定

if (!aSocket.Bind(nPort))

{

char szError[256] = {0};

sprintf(szError, "Bind Faild: %d", GetLastError());

AfxMessageBox(szError);

return 1;

}

//监听

if(!aSocket.Listen(10))

{

char szError[256] = {0};

sprintf(szError, "Listen Faild: %d", GetLastError());

AfxMessageBox(szError);

return 1;

}

CString strText;

aDlg->GetDlgItemText(IDC_EDIT_LOG, strText);

strText = "服务已经开启! \r\n";

aDlg->SetDlgItemText(IDC_EDIT_LOG, strText);

while(!m_exit)

{

//接收外部连接

if(!aSocket.Accept(serverSocket))

{

continue;

}

else

{

char szRecvMsg[256] = {0};

char szOutMsg[256] = {0};

serverSocket.Receive(szRecvMsg, 256); //接收客户端内容:阻塞

sprintf(szOutMsg, "接受到的参数是: %s \r\n", szRecvMsg);

aDlg->GetDlgItemText(IDC_EDIT_LOG, strText);

strText = szOutMsg;

aDlg->SetDlgItemText(IDC_EDIT_LOG, strText);

serverSocket.Send("服务器已经收到，已经做出操作！", 50);//发送内容给客户端

serverSocket.Close();//关闭

}

}

aSocket.Close();

serverSocket.Close();

aDlg->GetDlgItemText(IDC_EDIT_LOG, strText);

strText = "Have Close!";

aDlg->SetDlgItemText(IDC_EDIT_LOG, strText);

return 0;

}

void StopServer()

{

m_exit = true;

}

/

// CServerDlg dialog

CServerDlg::CServerDlg(CWnd* pParent /*=NULL*/)

: CDialog(CServerDlg::IDD, pParent)

{

//{{AFX_DATA_INIT(CServerDlg)

// 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 CServerDlg::DoDataExchange(CDataExchange* pDX)

{

CDialog::DoDataExchange(pDX);

//{{AFX_DATA_MAP(CServerDlg)

// NOTE: the ClassWizard will add DDX and DDV calls here

//}}AFX_DATA_MAP

}

BEGIN_MESSAGE_MAP(CServerDlg, CDialog)

//{{AFX_MSG_MAP(CServerDlg)

ON_WM_PAINT()

ON_WM_QUERYDRAGICON()

ON_BN_CLICKED(IDC_BUTTON_OPEN, OnButtonOpen)

ON_BN_CLICKED(IDC_BUTTON_CLOSE, OnButtonClose)

//}}AFX_MSG_MAP

END_MESSAGE_MAP()

/

// CServerDlg message handlers

BOOL CServerDlg::OnInitDialog()

{

CDialog::OnInitDialog();

// 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 CServerDlg::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 CServerDlg::OnQueryDragIcon()

{

return (HCURSOR) m_hIcon;

}

void CServerDlg::OnButtonOpen()

{

// TODO: Add your control notification handler code here

pThread = new CWinThread(StartServer, (LPVOID)this);

pThread->CreateThread(CREATE_SUSPENDED);

pThread->ResumeThread();

SetDlgStatus(true);

}

void CServerDlg::OnButtonClose()

{

// TODO: Add your control notification handler code here

StopServer();

pThread->SuspendThread();

delete pThread;

pThread = NULL;

SetDlgStatus(false);

}

void CServerDlg::SetDlgStatus(bool isOpen)

{

this->GetDlgItem(IDC_BUTTON_OPEN)->EnableWindow(!isOpen);

this->GetDlgItem(IDC_BUTTON_CLOSE)->EnableWindow(isOpen);

this->GetDlgItem(IDC_EDIT_PORT)->EnableWindow(!isOpen);

}