嵌入式/单片机编程

开发平台：
Visual C++

LogOn.cpp：源码内容
							// LogOn.cpp : implementation file
//
#include "stdafx.h"
#include "MobileClient.h"
#include "LogOn.h"
#include "TCP.h"
// CLogOn dialog
IMPLEMENT_DYNAMIC(CLogOn, CDialog)
//CLogOn 构造函数
CLogOn::CLogOn(CWnd* pParent /*=NULL*/)
	: CDialog(CLogOn::IDD, pParent)
	, m_remoteHost(GetLocalIP())
	, m_remotePort(2000)
{
}
//CLogOn 析构
CLogOn::~CLogOn()
{
}
void CLogOn::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Text(pDX, IDC_EDTREMOTEHOST, m_remoteHost);
	DDX_Text(pDX, IDC_EDTREMOTEPORT, m_remotePort);
	DDX_Control(pDX, IDC_EDIT_NAME, m_editName);
	DDX_Control(pDX, IDC_EDIT_PASSWORD, m_editPwd);
}
BEGIN_MESSAGE_MAP(CLogOn, CDialog)
	ON_BN_CLICKED(IDOK, &CLogOn::OnBnClickedOk)
END_MESSAGE_MAP()
//回调函数，连接与断开
void CALLBACK CLogOn::OnDisConnect(CWnd* pWnd)
{
	CLogOn *pDlg = (CLogOn*)pWnd;
	
	CButton * pBtnConn=(CButton*)pDlg->GetDlgItem(IDOK);
	ASSERT(pBtnConn !=NULL);
	pBtnConn->EnableWindow(TRUE);
}
//回调函数，线程错误
void CALLBACK CLogOn::OnError(CWnd* pWnd,int nErrorCode)
{
	AfxMessageBox(_T("客户端socket发生错误"));
}
//回调函数，读线程
void CALLBACK CLogOn::OnRead(CWnd* pWnd,const char * buf,int len)
{
	CMobileClientApp* App=(CMobileClientApp*)AfxGetApp();
	CLogOn *pDlg = (CLogOn*)pWnd;
	CString strRecv(buf);
	if(strRecv==_T("D@1"))
	{
		App->plg = 2;
	}
	else 
	{
		AfxMessageBox(_T("登陆失败"));
	}
}
//点击登陆到主界面
void CLogOn::OnBnClickedOk()
{
    UpdateData(TRUE);
	//设置m_socketComm属性
	CMobileClientApp* App=(CMobileClientApp*)AfxGetApp();
	App->m_tcp.m_remoteHost = m_remoteHost;
	App->m_tcp.m_port = m_remotePort;
	App->m_tcp.OnDisConnect = OnDisConnect;
	App->m_tcp.OnRead = OnRead;
	App->m_tcp.OnError = OnError;
	//打开客户端socket
	App->m_tcp.Open(this);
		//建立与服务器端的连接
	if (App->m_tcp.Connect())
	{
		CString name;
		m_editName.GetWindowTextW(name);
		CMobileClientApp* App = (CMobileClientApp*)AfxGetApp();;
		App->sername = name;//用户名
		CString pwd;//密码
		m_editPwd.GetWindowTextW(pwd);
		CString out;
		out=_T("D@")+name+_T("@")+pwd+_T("@END");
		char * sendBuf;
		int sendLen=0;
		sendLen=out.GetLength();
		sendBuf=new char[sendLen*2];
		WideCharToMultiByte(CP_OEMCP,NULL,out,-1,sendBuf,sendLen*2,NULL,FALSE);
		if (!App->m_tcp.SendData(sendBuf,sendLen*2))
		{
			AfxMessageBox(_T("发送失败"));
		}
		delete []sendBuf;
		sendBuf=NULL;
		Sleep(3000);
	    if(App->plg==2)
        OnOK();
	}
	else
	{
		AfxMessageBox(_T("建立连接失败"));
		return;
	}
}
//得到本地ip
CString CLogOn::GetLocalIP()
{
	HOSTENT *LocalAddress;
	char *Buff;
	TCHAR *wBuff;
	CString strReturn=_T("");
	Buff=new char[256];
	wBuff=new TCHAR[256];
	memset(Buff,'',256);
	memset(wBuff,TEXT(''),256*sizeof(TCHAR));
	if(gethostname(Buff,256)==0)
	{
		mbstowcs(wBuff,Buff,256);
		LocalAddress=gethostbyname(Buff);
		memset(Buff,'',256);
		sprintf(Buff,"%d.%d.%d.%d",LocalAddress->h_addr_list[0][0]&0xFF,LocalAddress->h_addr_list[0][1]&0x00FF,
			LocalAddress->h_addr_list[0][2]&0x0000FF,LocalAddress->h_addr_list[0][3]&0x000000FF);
		memset(wBuff,TEXT(''),256*sizeof(TCHAR));
		mbstowcs(wBuff,Buff,256);
		strReturn=wBuff;
	}
	else
	{
	}
	delete[] Buff;
	delete[] wBuff;
	return strReturn;
}

						