SNMP编程

开发平台：
Visual C++

TrafficView.cpp：源码内容
							// TrafficView.cpp : implementation of the CTrafficView class
//
#include "stdafx.h"
#include "Traffic.h"
#include "Input.h"
#include "TrafficDoc.h"
#include "TrafficView.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CTrafficView
IMPLEMENT_DYNCREATE(CTrafficView, CFormView)
BEGIN_MESSAGE_MAP(CTrafficView, CFormView)
	//{{AFX_MSG_MAP(CTrafficView)
	ON_COMMAND(ID_SCAN, OnScan)
	ON_COMMAND(ID_START, OnStart)
	ON_WM_TIMER()
	ON_COMMAND(ID_END, OnEnd)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CFormView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CFormView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CFormView::OnFilePrintPreview)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CTrafficView construction/destruction
CTrafficView::CTrafficView()
	: CFormView(CTrafficView::IDD)
{
	//{{AFX_DATA_INIT(CTrafficView)
	//}}AFX_DATA_INIT
	// TODO: add construction code here
ip="127.0.0.1";
community="public";
oid="1.3.6.1.2.1.2.2.1";
last_in=0;
last_out=0;
last_time=0;
}
CTrafficView::~CTrafficView()
{
}
void CTrafficView::DoDataExchange(CDataExchange* pDX)
{
	CFormView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTrafficView)
	DDX_Control(pDX, IDC_LIST1, m_list1);
	//}}AFX_DATA_MAP
}
BOOL CTrafficView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
	return CFormView::PreCreateWindow(cs);
}
void CTrafficView::OnInitialUpdate()
{
	CFormView::OnInitialUpdate();
	GetParentFrame()->RecalcLayout();
	ResizeParentToFit();
    m_list1.InsertColumn(0,"  类型   ",LVCFMT_LEFT,80,0);
	m_list1.InsertColumn(1,"  名称（DLCI）",LVCFMT_LEFT,130,1);
    m_list1.InsertColumn(2,"  状态  ",LVCFMT_LEFT,70,2);
	m_list1.InsertColumn(3,"  辅助信息  ",LVCFMT_LEFT,300,3);
	m_list1.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES);	
}
/////////////////////////////////////////////////////////////////////////////
// CTrafficView printing
BOOL CTrafficView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}
void CTrafficView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}
void CTrafficView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}
void CTrafficView::OnPrint(CDC* pDC, CPrintInfo* /*pInfo*/)
{
	// TODO: add customized printing code here
}
/////////////////////////////////////////////////////////////////////////////
// CTrafficView diagnostics
#ifdef _DEBUG
void CTrafficView::AssertValid() const
{
	CFormView::AssertValid();
}
void CTrafficView::Dump(CDumpContext& dc) const
{
	CFormView::Dump(dc);
}
CTrafficDoc* CTrafficView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTrafficDoc)));
	return (CTrafficDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CTrafficView message handlers
void CTrafficView::OnScan() 
{
CString BaseOid;
	CInput dlg;
if (dlg.DoModal()==IDOK)
{
ip=dlg.ip;
community=dlg.m_community;
}
	m_snmp.clear();
	BaseOid="1.3.6.1.2.1.2.2.1.1";
	m_snmp.GetTree(ip,community,BaseOid);
	BaseOid="1.3.6.1.2.1.2.2.1.2";
	m_snmp.GetTree(ip,community,BaseOid);
	BaseOid="1.3.6.1.2.1.2.2.1.8";
	m_snmp.GetTree(ip,community,BaseOid);
	int row=m_snmp.GetCount()/3;
	for (int i=0;i<row;i++)
	{
		pLine=new Line;
        pLine->Type="普通接口";
		pLine->Index=m_snmp.GetValue(i);
		pLine->Name=m_snmp.GetValue(i+row);
		if (m_snmp.GetValue(i+2*row)=="1")
			pLine->State="UP";
		else 
		pLine->State="Down";
     	pLine->Descr="";
		pLine->Ip=ip;
		LineArray.Add(pLine);
	}
	m_snmp.clear();
	BaseOid="1.3.6.1.2.1.4.20.1.2";
	m_snmp.GetTree(ip,community,BaseOid);
	CString temp;
	for (i=0;i<m_snmp.GetCount();i++)
	{
		for (int j=0;j<LineArray.GetSize();j++)
			if (m_snmp.GetValue(i)==LineArray[j]->Index)
			{
				temp=m_snmp.GetOid(j);
				temp=temp.Right(temp.GetLength()-21);
				LineArray[j]->Descr="IP:"+temp;
				break;
			}
			
	}
	for (int j=0;j<LineArray.GetSize();j++)
	{
		BaseOid="1.3.6.1.2.1.31.1.1.1.18."+LineArray[j]->Index;
		m_snmp.GetOne(ip,community,BaseOid,temp);
		LineArray[j]->Descr+=" 备注："+temp;
	}
	//获取网络接口的信息并保存；
	m_snmp.clear();
	BaseOid="1.3.6.1.2.1.10.32.2.1.1";
	m_snmp.GetTree(ip,community,BaseOid);
	BaseOid="1.3.6.1.2.1.10.32.2.1.2";
	m_snmp.GetTree(ip,community,BaseOid);
	BaseOid="1.3.6.1.2.1.10.32.2.1.3";
	m_snmp.GetTree(ip,community,BaseOid);
	row=m_snmp.GetCount()/3;
	for (i=0;i<row;i++)
	{
		pLine=new Line;
	
		pLine->Type="帧中继PVC";
		pLine->Ip=ip;
		pLine->Index=m_snmp.GetValue(i);
		pLine->Name=m_snmp.GetValue(i+row);
		if (m_snmp.GetValue(i+2*row)=="2")
			pLine->State="UP";
		else  pLine->State="Down";
		BaseOid="1.3.6.1.4.1.9.9.49.1.2.2.1.2."+pLine->Index+"."+pLine->Name;
		m_snmp.GetOne(ip,community,BaseOid,temp);
		if ("2"==temp)
		{
			CString rv;
			BaseOid="1.3.6.1.4.1.9.9.49.1.2.2.1.3."+pLine->Index+"."+pLine->Name;
			m_snmp.GetOne(ip,community,BaseOid,rv);
			BaseOid="1.3.6.1.2.1.31.1.1.1.18."+rv;
			m_snmp.GetOne(ip,community,BaseOid,rv);
			pLine->Descr=rv;
		}
		else
		{
			CString rv;
			BaseOid="1.3.6.1.4.1.9.9.49.1.3.1.1.3."+pLine->Index+"."+pLine->Name;
			m_snmp.GetOne(ip,community,BaseOid,rv);
			pLine->Descr=rv;
		}
		LineArray.Add(pLine);
	    	
	}
    m_list1.DeleteAllItems();
	for (i=0;i<LineArray.GetSize();i++)
	{
     m_list1.InsertItem(i,LineArray[i]->Type);
	 m_list1.SetItemText(i,1,LineArray[i]->Name);
     m_list1.SetItemText(i,2,LineArray[i]->State);
     m_list1.SetItemText(i,3,LineArray[i]->Descr);
	}	
}
void CTrafficView::OnStart() 
{
SetTimer(1,60000,NULL);
m_snmp.GetThree(ip,community,oid,index,last_in,last_out,last_time);
}
void CTrafficView::OnTimer(UINT nIDEvent) 
{
unsigned long InBits,OutBits;
unsigned long in_v,out_v,time_v,in_diff,out_diff,time_diff;
CTime t=CTime::GetCurrentTime();
CString time=t.Format("%H:%M");
m_snmp.GetThree(ip,community,oid,index,in_v,out_v,time_v);
in_diff=in_v-last_in;
if (in_diff<0)
in_diff+=4294967295;
out_diff=out_v-last_out;
if (out_diff<0)
out_diff+=4294967295;
time_diff=time_v-last_time;
if (time_diff<0)
time_diff+=4294967295;
InBits=(in_diff*8)/(time_diff/100);
OutBits=(out_diff*8)/(time_diff/100);
last_in=in_v;
last_out=out_v;
last_time=time_v;
//write to a txt file
/*CString s;
s.Format("%d",v1);
MessageBox(s);
s.Format("%d",v3);
MessageBox(s);*/	
	
	CFormView::OnTimer(nIDEvent);
}
void CTrafficView::OnEnd() 
{
KillTimer(1);	
}

						