clientview.cpp

visual c＋＋网络通信程序开发指南附带的程序所有的源码。

// ClientView.cpp : implementation of the CClientView class
//

#include "stdafx.h"
#include "Client.h"

#include "ClientDoc.h"
#include "ClientView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CClientView

IMPLEMENT_DYNCREATE(CClientView, CView)

BEGIN_MESSAGE_MAP(CClientView, CView)
	//{{AFX_MSG_MAP(CClientView)
	ON_COMMAND(ID_CONNECT, OnConnect)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientView construction/destruction

CClientView::CClientView()
{
	// TODO: add construction code here

}

CClientView::~CClientView()
{
}

BOOL CClientView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CClientView drawing

void CClientView::OnDraw(CDC* pDC)
{
	CClientDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here

	pDC->TextOut(10, 10, m_sMessage);
}

/////////////////////////////////////////////////////////////////////////////
// CClientView printing

BOOL CClientView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CClientView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CClientView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CClientView diagnostics

#ifdef _DEBUG
void CClientView::AssertValid() const
{
	CView::AssertValid();
}

void CClientView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CClientDoc* CClientView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CClientDoc)));
	return (CClientDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CClientView message handlers

void CClientView::OnConnect() 
{
	// 要发送的数据
	CString Message = "[测试数据,由客户机发出]";
	
	// 发送的是数据长度
	DWORD WriteNum;

	// 等待与服务器的连接
	if (WaitNamedPipe("\\\\.\\Pipe\\Test", NMPWAIT_WAIT_FOREVER) == FALSE)
	{
		// 显示信息
		m_sMessage = "等待连接失败!";
		Invalidate();
		return;
	}
	
	// 打开已创建的管道句柄
	HANDLE hPipe = CreateFile("\\\\.\\Pipe\\Test", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
	if (hPipe == INVALID_HANDLE_VALUE)
	{
		// 显示信息
		m_sMessage = "管道打开失败!";
		Invalidate();
		return;
	}
	else
	{
		// 显示信息
		m_sMessage = "成功打开管道!";
		Invalidate();
	}

	// 向管道写入数据
	if (WriteFile(hPipe, Message, Message.GetLength(), &WriteNum, NULL) == FALSE)
	{
		// 显示信息
		m_sMessage = "数据写入管道失败!";
		Invalidate();
	}
	else
	{
		// 显示信息
		m_sMessage = "数据成功写入管道!";
		Invalidate();
	}
	
	// 关闭管道句柄
	CloseHandle(hPipe);
}