C++ Pdu::get_vb_count方法代码示例

int wpdu::load_vbs(snmp_pdu *raw_pdu, const Pdu& pdu)
{
  int status = 0;

   // load up the payload
   // for all Vbs in list, add them to the pdu
   int vb_count;
   Vb tempvb;
   Oid tempoid;
   SmiLPOID smioid;
   SmiVALUE smival;

   vb_count = pdu.get_vb_count();

   for (int z = 0; z < vb_count; z++) {
      pdu.get_vb( tempvb, z);
      tempvb.get_oid( tempoid);
      smioid = tempoid.oidval();
      // what are we trying to convert here (vb oid part or value part)
      status = convert_vb_to_smival( tempvb, &smival );
      if ( status != SNMP_CLASS_SUCCESS)
         return status;

      // add the var to the raw pdu
      cmu_snmp::add_var(raw_pdu, smioid->ptr, (int) smioid->len, &smival);
      free_smival_descriptor( &smival);
    }

  return status;
}

// callback : have received a Pdu from the target host with given read comm str
// this is really simplistic, but gives the general idea
int agent_impl::handle_get( Pdu &pdu, UdpTarget &target)
{
  ACE_TRACE("agent_impl::handle_get");
  OctetStr mgr_rd_str, agent_rd_str;
  target.get_read_community(mgr_rd_str); // requster's read community string
  tgt_.get_read_community(agent_rd_str); // this agent's read community string

  //  1. verify we have a valid read string else drop pdu (no response to caller)
  if (mgr_rd_str != agent_rd_str) {
     ACE_DEBUG((LM_DEBUG, "agent_impl::handle_get: invalid read community recvd\n"));
     return 0;
  }

  // 2. iterate over each varbind in the pdu, filling providing responses
  int fdone = 0;
  for (int i = 0; (i < pdu.get_vb_count()) && !fdone; i++) {
    Vb vb;
    pdu.get_vb(vb, i);
    if (get_response(vb)) { // set a value for the oid if we can else
      set_error_status(&pdu, SNMP_ERROR_NO_SUCH_NAME); // these ought to be member
      set_error_index(&pdu, i); // functions but are not yet...
      fdone++; // trigger flag to exit loop early
    }
    else // failed, return noSuch error
      pdu.set_vb(vb, i);
  }

  // 3. lastly, return the pkt to the caller
  return respond(pdu, target);
}

void callback( int reason, Snmp *snmp, Pdu &pdu, SnmpTarget &target, void *cd)
{
    Vb nextVb;
    int pdu_error;

    cout << "reason: " << reason << endl
         << "msg: " << snmp->error_msg(reason) << endl;

    pdu_error = pdu.get_error_status();
    if (pdu_error) {
        cout << "Response contains error: "
             << snmp->error_msg(pdu_error)<< endl;
    }
    for (int i=0; i<pdu.get_vb_count(); i++)
    {
        pdu.get_vb(nextVb, i);

        cout << "Oid: " << nextVb.get_printable_oid() << endl
             << "Val: " <<  nextVb.get_printable_value() << endl;
    }

    if (pdu.get_type() == sNMP_PDU_INFORM) {
        cout << "pdu type: " << pdu.get_type() << endl;
        cout << "sending response to inform: " << endl;
        nextVb.set_value("This is the response.");
        pdu.set_vb(nextVb, 0);
        snmp->response(pdu, target);
    }
    cout << endl;
}

void MainWindow::async_callback(int reason, Snmp * /*snmp*/, Pdu &pdu,
				SnmpTarget &target)
{
  Vb nextVb;
  int pdu_error;
  QString prefix_text;
  QString notify_text;

  push_button_get_next->setEnabled(true);

  // What is the reason for this callback?
  if (reason == SNMP_CLASS_NOTIFICATION)
  {
    prefix_text = "Trap:    ";

    // get the notify id for traps
    Oid id;
    pdu.get_notify_id(id);
    notify_text = QString(" ID: %1 Type %2 -- ").arg(id.get_printable())
                  .arg(pdu.get_type());
  }
  else if (reason == SNMP_CLASS_ASYNC_RESPONSE)
  {
    prefix_text = "Response ";
  }
  else if (reason == SNMP_CLASS_TIMEOUT)
  {
    prefix_text = "Timeout  ";
  }
  else
  {
    QString err = QString("\nDid not receive async response/trap: (%1) %2\n")
                  .arg(reason).arg(Snmp::error_msg(reason));
    text_edit_output->append(err);
  }


  // Look at the error status of the Pdu
  pdu_error = pdu.get_error_status();
  if (pdu_error)
  {
    QString err = "\nResponse contains error:\n";
    err += Snmp::error_msg(pdu_error);
    text_edit_output->append(err);
    return;
  }

  // The Pdu must contain at least one Vb
  if (pdu.get_vb_count() == 0)
  {
    QString err = "\nPdu is empty\n";
    text_edit_output->append(err);
    return;
  }

  for (int i=0; i<pdu.get_vb_count(); i++)
  {
    // Get the Vb of the Pdu
    pdu.get_vb(nextVb, i);

    // Get Oid and value from the Vb and display it
    line_edit_obj_id->setText(nextVb.get_printable_oid());
    line_edit_value->setText(nextVb.get_printable_value());

    text_edit_output->append(prefix_text +
			     target.get_address().get_printable() +
			     " -- " +
			     notify_text +
			     line_edit_obj_id->text() + " = " +
			     line_edit_value->text() + "\n");
  }

  // If we received a inform pdu, we have to send a response
  if (pdu.get_type() == sNMP_PDU_INFORM)
  {
    text_edit_output->append("Sending response to inform.\n");

    // just change the value of the first vb
    pdu.get_vb(nextVb, 0);
    nextVb.set_value("This is the response.");
    pdu.set_vb(nextVb, 0);
    snmp->response(pdu, target);
  }
}

int CSVBaseSNMP::GetBulkRequest(MonitorResult &ResultList)
{
	
	WriteLog("\n\n*****************************");
	WriteLog("GetBulkRequest!");

    static const int BULK_BUFF = 10;
    int nResult = 0;
    char chPrvOID[MAX_BUFF_LEN] = {0};
    bool bEnd = false;
    Pdu pdu;                                                // construct a Pdu object
    Vb vb;                                                  // construct a Vb object
    vb.set_oid( oid);                                       // set the Oid portion of the Vb
    pdu += vb;                                              // add the vb to the Pdu

    SnmpTarget *target;
    if(version ==version3)
    {//If SNMP Version Is 3
        nResult = InitUTarget();                            //Init UTarget
        pdu.set_security_level( m_lSecurityLevel);          //Set the Security Level portion of Pdu
        pdu.set_context_name (m_szContextName);             //Set the Context Name portion of Pdu
        pdu.set_context_engine_id(m_szContextEngineID);     //Set the Context Engine ID portion of Pdu
        target = &m_Utarget;                                //Set SNMP Target
    }
    else
    {
        target = &m_Ctarget; //Set SNMP Target
    }
    
    try
    {
        if(m_pSnmp)
        {
            int nIndex = 0, i = 0;
            while (( nResult = m_pSnmp->get_bulk(pdu, *target, 0, BULK_BUFF)) == SNMP_CLASS_SUCCESS) 
            {
                if(bEnd)
                    break;
                for (i = 0; i < pdu.get_vb_count(); i ++) 
                {
                    pdu.get_vb( vb, i);
                    if (pdu.get_type() == REPORT_MSG) 
                    {
                        Oid tmp;
                        vb.get_oid(tmp);
                        return -5;
                    }
                    // look for var bind exception, applies to v2 only   
                    if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW)
                    {
                        string szOID =  vb.get_printable_oid();
						WriteLog(szOID.c_str());
                        int nPosition = static_cast<int>(szOID.find(m_szStartID));
                        if(nPosition < 0)
                        {
                            bEnd = true;
                            break;
                        }
                        if(static_cast<int>(strlen(chPrvOID)) > 0)
                        {//如果上次OID不为空
                            if(strcmp(vb.get_printable_oid(), chPrvOID) == 0)
                            {//比较OID名称是否相同，相同则退出循环
                                bEnd = true;
                                break;
                            }
                        }
				        //结果赋值
                        if(static_cast<int>(strlen(vb.get_printable_oid())) < MAX_BUFF_LEN)
                            strcpy(chPrvOID, vb.get_printable_oid());

						
                        SNMP_Monitor_Result result;
						result.m_szOID = vb.get_printable_oid();
						if(strcmp(result.m_szOID.substr(0,19).c_str(),"1.3.6.1.2.1.2.2.1.2")==0)
						{
							char str[100];
							vb.get_value(str);
							result.m_szValue=str;
							WriteLog(str);
						}
						else
							result.m_szValue = vb.get_printable_value();
        
                        //nPosition = static_cast<int>(result.m_szOID.find(m_szStartID.c_str()) + m_szStartID.length());
                        //if(nPosition > 0)
                        //{
                        result.m_szIndex = result.m_szOID.substr(m_szStartID.length() + 1);
                        result.m_szOID = result.m_szOID.substr(0, m_szStartID.length());
                        //PrintDebugString("index is " + result.m_szIndex);
                        //}
						WriteLog(result.m_szIndex.c_str());
						WriteLog(result.m_szValue.c_str());

                        ResultList[nIndex] = result;
                        nIndex ++;
                    }
                    else 
                    {
                        m_szErrorMsg = "End of MIB Reached";
                        return -4;
//.........这里部分代码省略.........

int snmpget(char *ipaddr, char *oid_in)
{
	Snmp::socket_startup();  // Initialize socket subsystem

	UdpAddress address(ipaddr);// make a SNMP++ Generic address
	if (!address.valid())
	{           // check validity of address
		cout << "Invalid Address or DNS Name, " << ipaddr << "\n";
		//	  usage();
	}
	snmp_version version = version1;                  // default is v1
	int retries = 1;                                  // default retries is 1
	int timeout = 100;                                // default is 1 second
	u_short port = 161;                               // default snmp port is 161
	OctetStr community("public");                   // community name

	int status;

	Snmp snmp(status, 0, (address.get_ip_version() == Address::version_ipv6));

	if (status != SNMP_CLASS_SUCCESS) {
		cout << "SNMP++ Session Create Fail, " << snmp.error_msg(status) << "\n";
		return 1;
	}
	Oid oid("1.3.6.1.2.1.1.1.0");      // default is sysDescr
	Pdu pdu;
	Vb  vb;
	oid = oid_in;
	if (!oid.valid()){
		cout << "Oid " << oid_in << " is not valid" << endl;
		return 1;
	}
	vb.set_oid(oid);                       // set the Oid portion of the Vb
	pdu += vb;                             // add the vb to the Pdu

	address.set_port(port);
	CTarget ctarget(address);             // make a target using the address
	ctarget.set_version(version);         // set the SNMP version SNMPV1 or V2
	ctarget.set_retry(retries);           // set the number of auto retries
	ctarget.set_timeout(timeout);         // set timeout
	ctarget.set_readcommunity(community); // set the read community name



	SnmpTarget *target;
	target = &ctarget;
	status = snmp.get(pdu, *target);

	if (status == SNMP_CLASS_SUCCESS)
	{
		for (int i = 0; i < pdu.get_vb_count(); i++)
		{
			pdu.get_vb(vb, i);
			cout << "**************************" << endl;
			cout << "VB nr: " << i << endl;
			cout << "Oid = " << vb.get_printable_oid() << endl
				<< "Value = " << vb.get_printable_value() << endl;
			cout << "Syntax = " << vb.get_syntax() << endl;

			if ((vb.get_syntax() == sNMP_SYNTAX_ENDOFMIBVIEW) ||
				(vb.get_syntax() == sNMP_SYNTAX_NOSUCHINSTANCE) ||
				(vb.get_syntax() == sNMP_SYNTAX_NOSUCHOBJECT))
				cout << "Exception: " << vb.get_syntax() << " occured." << endl;
		}
	}
	else
	{
		cout << "SNMP++ Get Error, " << snmp.error_msg(status)
			<< " (" << status << ")" << endl;
	}
	Snmp::socket_cleanup();  // Shut down socket subsystem
	return 0;
}

int CSVBaseSNMP::GetRequest(MonitorResult &ResultList)
{
	WriteLog("\n\n*****************************");
	WriteLog("GetRequest!");

    int nResult = 0;
    Pdu pdu;                                                    // construct a Pdu object
    Vb vb;                                                      // construct a Vb object
    vb.set_oid( oid);                                           // set the Oid portion of the Vb
    pdu += vb;                                                  // add the vb to the Pdu

    SnmpTarget *target;
    if(version == version3)
    {//If SNMP Version Is 3
        nResult = InitUTarget();                                //Init UTarget
        pdu.set_security_level( m_lSecurityLevel);              //Set the Security Level portion of Pdu
        pdu.set_context_name(m_szContextName);                  //Set the Context Name portion of Pdu
        pdu.set_context_engine_id(m_szContextEngineID);         //Set the Context Engine ID portion of Pdu
        target = &m_Utarget;                                    //Set SNMP Target
    }
    else
    {
        target = &m_Ctarget;                                    //Set SNMP Target
    }

    try
    {
        //cout << address << endl;
        //cout << oid.get_printable() << endl;
        if(m_pSnmp)
        {
            nResult = m_pSnmp->get( pdu,*target);               //Get Reques
            if(nResult != 0)
            {//当有错误发生时候
                m_szErrorMsg =  m_pSnmp->error_msg(nResult);
                return nResult;
            }
            for ( int i = 0; i < pdu.get_vb_count(); i ++)
            {
                pdu.get_vb(vb, i);
                if (pdu.get_type() == REPORT_MSG) 
                {
                    Oid tmp;
                    vb.get_oid(tmp);
                    return -5;
                }
                // look for var bind exception, applies to v2 only   
                if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW)
                {
                    SNMP_Monitor_Result result;
                    result.m_szOID = vb.get_printable_oid();
                    result.m_szValue = vb.get_printable_value();
                    size_t nPosition = result.m_szOID.rfind(".");
                    if(nPosition > 0)
                    {
                        result.m_szIndex = result.m_szOID.substr(nPosition);
                        result.m_szOID = result.m_szOID.substr(0, nPosition - 1);
                    }

					WriteLog(result.m_szIndex.c_str());
					WriteLog(result.m_szValue.c_str());

                    ResultList[i] = result;
                }
                else 
                {
                    m_szErrorMsg =  "End of MIB Reached";
                    return -4;
                }
            }
        }
    }
    catch(...)
    {
        DWORD dwError = GetLastError();
        char szMsg[512] = {0};
        int nlen = sprintf(szMsg, "Error Number is %08X --*GetRequest*---", dwError);
        DumpLog("snmpmonitor-request", szMsg, nlen);
    }
    return nResult;
}

/////////////////////////////////////////////////////////////////////////////
// 函数：GetBulkRequest                                                    //
// 说明：得到表格变量的结果                                                //
// 参数：无                                                                //
// 返回值：                                                                //
//      成功返回0，否则返回一个非0 值                                      //
/////////////////////////////////////////////////////////////////////////////
int BasicSNMP::GetBulkRequest()
{
	//puts("BasicSNMP::GetBulkRequest");
	int nResult = 0;
	char chPrvOID[MAX_BUFF_LEN] = {0};
	bool bEnd = false;
	Pdu pdu;                               // construct a Pdu object
	Vb vb;                                 // construct a Vb object
	vb.set_oid( oid);                      // set the Oid portion of the Vb
	pdu += vb;                             // add the vb to the Pdu

	DestroyResultList();

	SnmpTarget *target;// = &ctarget;
	if(version ==version3)
	{//If SNMP Version Is 3
		nResult = InitUTarget();//Init UTarget
		pdu.set_security_level( m_nSecurityLevel);//Set the Security Level portion of Pdu
		pdu.set_context_name (contextName);//Set the Context Name portion of Pdu
		pdu.set_context_engine_id(contextEngineID);//Set the Context Engine ID portion of Pdu
		target = &utarget; //Set SNMP Target
	}
	else
	{
		target = &ctarget; //Set SNMP Target
	}

	OIDResult *pTemp = new OIDResult();
	OIDResult *pPrevResult = pTemp;
	//pTemp->pNext = NULL;
	pResult = pTemp;
    
    try
    {
	//SnmpTarget *target = &ctarget;
	while (( nResult = pSnmp->get_next(pdu, *target))== SNMP_CLASS_SUCCESS) 
	{
		if(bEnd)
		{
			break;
		}
		for ( int z=0;z<pdu.get_vb_count(); z++) 
		{
			pdu.get_vb( vb,z);
			if (pdu.get_type() == REPORT_MSG) 
			{
				Oid tmp;
				vb.get_oid(tmp);
				return -5;
			}
			// look for var bind exception, applies to v2 only   
			if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW)
			{
				char chOID[MAX_BUFF_LEN] = {0};
				sprintf(chOID, "%s", vb.get_printable_oid());
				char *pDest = strstr(chOID, chOIDStart);
				if(pDest == NULL)
				{//OID名称是否包含开始OID
					bEnd = true;
					break;
				}
				if(strlen(chPrvOID)>0)
				{//如果上次OID不为空
					if(strcmp(vb.get_printable_oid(), chPrvOID) == 0)
					{//比较OID名称是否相同，相同则退出循环
						bEnd = true;
						break;
					}
				}
				//结果赋值
				strcpy(chPrvOID, vb.get_printable_oid());				
				strcpy(pTemp->chOID, vb.get_printable_oid());
				strcpy(pTemp->chValue,vb.get_printable_value());
				
				char *pIndex;
				pIndex=pTemp->chOID+strlen(oid.get_printable())+1;

				//pTemp->nLen = static_cast<int>(strlen(pTemp->chValue));
				//char *pdest = strrchr(pTemp->chOID, '.');
				//int nLast = (int)(pdest - pTemp->chOID + 1);
				//memcpy(pTemp->chIndex, (pTemp->chOID)+nLast, strlen(pTemp->chOID) - nLast);
				strcpy(pTemp->chIndex,pIndex);
				//pTemp->chIndex[strlen(pTemp->chOID) - nLast] = '\0';
				
			}
			else 
			{
				memset(chErrMsg, 0 , MAX_BUFF_LEN);
				strcpy(chErrMsg, "End of MIB Reached");
				return -4;
			}
			if(pTemp->pNext == NULL)
			{
//.........这里部分代码省略.........

int main(int argc, char **argv)
{
    int status;
    char *req_str      = (char*) "get";
    //  char *dflt_req_oid = (char*) sysDescr;
    char *dflt_trp_oid = (char*) coldStart;
    char *genAddrStr   = (char*) "127.0.0.1" ;		  // localhost
    char *oid_str      = (char*) NULL;

    if (argc > 1) genAddrStr = argv[1];
    if (argc > 2) req_str    = argv[2];
    if (argc > 3) oid_str    = argv[3];

    Snmp::socket_startup();  // Initialize socket subsystem

    IpAddress ipAddr(genAddrStr);
    if (!ipAddr.valid()) {
        cout << "Invalid destination: " << genAddrStr << endl;
        return(1);
    }

    // bind to any port and use IPv6 if needed
    Snmp snmp(status, 0, (ipAddr.get_ip_version() == Address::version_ipv6));
    if (status) {
        cout << "Failed to create SNMP Session: " << status << endl;
        return(1);
    }
    cout << "Created session successfully" << endl;


    CTarget target(ipAddr);
    if (! target.valid()) {
        cout << "Invalid target" << endl;
        return(1);
    }

    Pdu pdu;
    Vb vb;
    if ( strcmp(req_str, "get") == 0 ) {

        Vb vbl[NUM_SYS_VBS];
        vbl[0].set_oid(sysDescr);
        vbl[1].set_oid(sysObjectID);
        vbl[2].set_oid(sysUpTime);
        vbl[3].set_oid(sysContact);
        vbl[4].set_oid(sysName);
        vbl[5].set_oid(sysLocation);
//    vbl[6].set_oid(sysServices);

        cout << "Send a GET-REQUEST to: " << ipAddr.get_printable() << endl;
        if ( ! oid_str ) {
            if ( strcmp(genAddrStr,"localhost" ) == 0 ||
                    strcmp(genAddrStr, "127.0.0.1") == 0 ) {
                pdu.set_vblist(vbl, NUM_SYS_VBS);
            } else {
                for (int i=0; i<NUM_SYS_VBS; i++)
                    pdu += vbl[i];
            }
        }
        else {
            Oid req_oid(oid_str);
            if ( ! req_oid.valid() ) {
                cout << "Request oid constructor failed for:" << oid_str << endl;
                return(1);
            }
            vb.set_oid(req_oid);
            pdu += vb;
        }
        status = snmp.get(pdu, target);
        if (status) {
            cout << "Failed to issue SNMP Get: (" << status  << ") "
                 << snmp.error_msg(status) << endl;
            return(1);
        }
        else {
            cout << "Issued get successfully" << endl;
            int vbcount = pdu.get_vb_count();
            if ( vbcount == NUM_SYS_VBS ) {
                pdu.get_vblist(vbl, vbcount);
                for ( int i=0; i<vbcount ; i++ )  {
                    cout << vbl[i].get_printable_oid() << " : " <<
                         vbl[i].get_printable_value() << endl;
                }
            } else {
                for ( int i=0; i<vbcount ; i++ )  {
                    pdu.get_vb(vb, i);
                    cout << vb.get_printable_oid() << " : " <<
                         vb.get_printable_value() << endl;
                }
            }
        }
    }
    else if ( strcmp(req_str, "trap") == 0 ) {
        cout << "Send a TRAP to: " << ipAddr.get_printable() << endl;

        if ( ! oid_str )
            oid_str = dflt_trp_oid;

        Oid notify_oid(oid_str);
        if ( ! notify_oid.valid() ) {
//.........这里部分代码省略.........

/////////////////////////////////////////////////////////////////////////////
// 函数：GetRequest                                                        //
// 说明：得到简单变量的结果                                                //
// 参数：无                                                                //
// 返回值：                                                                //
//      成功返回0，否则返回一个非0 值                                      //
/////////////////////////////////////////////////////////////////////////////
int BasicSNMP::GetRequest()
{
    static const char chFile[] = "smmpmonitor.log";
    int nResult = 0;
	Pdu pdu;                               // construct a Pdu object
	Vb vb;                                 // construct a Vb object
	vb.set_oid( oid);                      // set the Oid portion of the Vb
	pdu += vb;                             // add the vb to the Pdu
    
	DestroyResultList();

	SnmpTarget *target;// = &ctarget;
	if(version ==version3)
	{//If SNMP Version Is 3
		nResult = InitUTarget();//Init UTarget
		pdu.set_security_level( m_nSecurityLevel);//Set the Security Level portion of Pdu
		pdu.set_context_name (contextName);//Set the Context Name portion of Pdu
		pdu.set_context_engine_id(contextEngineID);//Set the Context Engine ID portion of Pdu
		target = &utarget; //Set SNMP Target
	}
	else
	{
		target = &ctarget; //Set SNMP Target
	}

	OIDResult *pTemp = new OIDResult();//construct OIDResult Struct
	pTemp->pNext = NULL;
	pResult = pTemp;

    try
    {
		nResult = pSnmp->get( pdu,*target);//Get Reques
		if(nResult != 0)
		{//当有错误发生时候
			strcpy(chErrMsg, pSnmp->error_msg(nResult));
			return nResult;
		}
		for ( int z = 0; z < pdu.get_vb_count(); z++)
		{
			pdu.get_vb( vb,z);
			if (pdu.get_type() == REPORT_MSG) 
			{
				Oid tmp;
				vb.get_oid(tmp);
				return -5;
			}
			// look for var bind exception, applies to v2 only   
			if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW)
			{
				//Set OIDResult Value
                if(static_cast<int>(strlen(vb.get_printable_oid())) < MAX_BUFF_LEN)
				    strcpy(pTemp->chOID,  vb.get_printable_oid());

                if(static_cast<int>(strlen(vb.get_printable_value())) < MAX_BUFF_LEN)
                {
				    strcpy(pTemp->chValue, vb.get_printable_value());
				    //pTemp->nLen = static_cast<int>(strlen(pTemp->chValue));
                }
                char *pdest = strrchr(pTemp->chOID, '.');
                if(pdest)
                {
                    (*pdest) = '\0';
                    pdest ++;
                    strcpy(pTemp->chIndex, pdest);
                }
                //if(pdest)
                //{
                //    int nLast = (int)(pdest - pTemp->chOID + 1);
                //    memcpy(pTemp->chIndex, (pTemp->chOID)+nLast, strlen(pTemp->chOID) - nLast);
                //    pTemp->chIndex[strlen(pTemp->chOID) - nLast] = '\0';
                //}
			}
			else 
			{
				memset(chErrMsg, 0 , MAX_BUFF_LEN);
				strcpy(chErrMsg, "End of MIB Reached");
				return -4;
			}
		}	
    }
    catch(...)
    {
        DWORD dwError = GetLastError();
        char szMsg[512] = {0};
        int nlen = sprintf(szMsg, "Error Number is %08X --*GetRequest*---", dwError);
        DumpLog(chFile, szMsg, nlen);
        //cout << "Error Number is " << dwError << "---*GetRequest*---" << endl;
    }
    return nResult;
}

/////////////////////////////////////////////////////////////////////////////
// 函数：GetNextRequest                                                    //
// 说明：以当前OID变量为开始，得到下一个简单变量的结果                     //
// 参数：无                                                                //
// 返回值：                                                                //
//      成功返回0，否则返回一个非0 值                                      //
/////////////////////////////////////////////////////////////////////////////
int BasicSNMP::GetNextRequest()
{
	int nResult = 0;
	Pdu pdu;                               // construct a Pdu object
	Vb vb;                                 // construct a Vb object
	vb.set_oid( oid);                      // set the Oid portion of the Vb
	pdu += vb;                             // add the vb to the Pdu

	DestroyResultList();

	SnmpTarget *target;// = &ctarget;
	if(version ==version3)
	{//If SNMP Version Is 3
		nResult = InitUTarget();//Init UTarget
		pdu.set_security_level( m_nSecurityLevel);//Set the Security Level portion of Pdu
		pdu.set_context_name (contextName);//Set the Context Name portion of Pdu
		pdu.set_context_engine_id(contextEngineID);//Set the Context Engine ID portion of Pdu
		target = &utarget; //Set SNMP Target
	}
	else
	{
		target = &ctarget; //Set SNMP Target
	}


	OIDResult *pTemp = new OIDResult();
	pTemp->pNext = NULL;
	pResult = pTemp;

	//SnmpTarget *target = &ctarget;
	nResult = pSnmp->get_next( pdu,*target);
	if(nResult != 0)
	{//当有错误发生时候
		strcpy(chErrMsg, pSnmp->error_msg(nResult));
	}
	for ( int z=0;z<pdu.get_vb_count(); z++) 
	{
		pdu.get_vb( vb,z);
		if (pdu.get_type() == REPORT_MSG) 
		{
			Oid tmp;
			vb.get_oid(tmp);
			return -5;
		}
		// look for var bind exception, applies to v2 only   
		if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW)
		{
			strcpy(pTemp->chOID, vb.get_printable_oid());
			strcpy(pTemp->chValue,vb.get_printable_value());
			//pTemp->nLen = static_cast<int>(strlen(pTemp->chValue));
			char *pdest = strrchr(pTemp->chOID, '.');
			int nLast = (int)(pdest - pTemp->chOID + 1);
			memcpy(pTemp->chIndex, (pTemp->chOID)+nLast, strlen(pTemp->chOID) - nLast);
			pTemp->chIndex[strlen(pTemp->chOID) - nLast] = '\0';
			oid = pTemp->chOID;
		}
		else 
		{
//			memset(chErrMsg, 0 , MAX_BUFF_LEN);
//			strcpy(chErrMsg, "End of MIB Reached");
			return -4;
		}
	}
	return nResult;
}

//.........这里部分代码省略.........
     ctarget.set_version( version);         // set the SNMP version SNMPV1 or V2
     ctarget.set_retry( retries);           // set the number of auto retries
     ctarget.set_timeout( timeout);         // set timeout
     ctarget.set_readcommunity( community); // set the read community name
#ifdef _SNMPv3
   }
#endif

   //-------[ issue the request, blocked mode ]-----------------------------
   cout << "SNMP++ GetBulk to " << argv[1] << " SNMPV" 
#ifdef _SNMPv3
        << ((version==version3) ? (version) : (version+1))
#else
        << (version+1)
#endif
        << " Retries=" << retries
	<< " Timeout=" << timeout << "ms"
	<< " Non Reptrs=" << non_reps
	<< " Max Reps=" << max_reps << endl;
#ifdef _SNMPv3
   if (version == version3)
     cout << endl
          << "securityName= " << securityName.get_printable()
          << ", securityLevel= " << securityLevel
          << ", securityModel= " << securityModel << endl
          << "contextName= " << contextName.get_printable()
          << ", contextEngineID= " << contextEngineID.get_printable()
          << endl;
   else
#endif
     cout << " Community=" << community.get_printable() << endl << flush;

   SnmpTarget *target;
#ifdef _SNMPv3
   if (version == version3)
     target = &utarget;
   else
#endif
     target = &ctarget;
   Pdu pdu2 = pdu;

   if (( status = snmp.get_bulk( pdu,*target,non_reps,max_reps))== SNMP_CLASS_SUCCESS) {
     for ( int z=0;z<pdu.get_vb_count();z++) {
       pdu.get_vb( vb,z);
#ifdef _SNMPv3
       if (pdu.get_type() == REPORT_MSG) {
         Oid tmp;
         vb.get_oid(tmp);
         cout << "Received a reportPdu: "
              << snmp.error_msg( tmp) 
              << endl
              << vb.get_printable_oid() << " = "
              << vb.get_printable_value() << endl;
       }
#endif
       cout << "Oid = " << vb.get_printable_oid() << "\n";
       if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW) {
	 cout << "Value = " << vb.get_printable_value() << "\n\n";
       }
       else {
	 cout << "End of MIB view.\n\n";
       }
     }
   }
   else
     cout << "SNMP++ GetBulk Error, " << snmp.error_msg( status) << "\n";

   pdu = pdu2;
//--------------------
   if (( status = snmp.get_bulk( pdu,*target,non_reps,max_reps))== SNMP_CLASS_SUCCESS) {
     for ( int z=0;z<pdu.get_vb_count();z++) {
       pdu.get_vb( vb,z);
#ifdef _SNMPv3
       if (pdu.get_type() == REPORT_MSG) {
         Oid tmp;
         vb.get_oid(tmp);
         cout << "Received a reportPdu: "
              << snmp.error_msg( tmp) 
              << endl
              << vb.get_printable_oid() << " = "
              << vb.get_printable_value() << endl;
       }
#endif
       cout << "Oid = " << vb.get_printable_oid() << "\n";
       if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW) {
	 cout << "Value = " << vb.get_printable_value() << "\n\n";
	 
       }
       else {
	 cout << "End of MIB view.\n\n";
       }
     }
   }
   else
     cout << "SNMP++ GetBulk Error, " << snmp.error_msg( status) << "\n";
   //-------------


   Snmp::socket_cleanup();  // Shut down socket subsystem
}

//.........这里部分代码省略.........
        trapid.trim(1);
      enterprise = trapid;
    }

    if ( raw_pdu->trap_type !=6)
      pdu->get_notify_enterprise( enterprise);
    if ( enterprise.len() >0) {
      // note!!
      // these are hooks into an SNMP++ oid
      // and therefor the raw_pdu enterprise
      // should not free them. null them out!!
      SmiLPOID rawOid;
      rawOid = enterprise.oidval();
      raw_pdu->enterprise = rawOid->ptr;
      raw_pdu->enterprise_length = (int) rawOid->len;
    }

    // timestamp
    TimeTicks timestamp;
    pdu->get_notify_timestamp( timestamp);
    raw_pdu->time = ( unsigned long) timestamp;

  }

  // if its a v2 trap then we need to make a few adjustments
  // vb #1 is the timestamp
  // vb #2 is the id, represented as an Oid
  if (( raw_pdu->command == sNMP_PDU_TRAP) ||
      ( raw_pdu->command == sNMP_PDU_INFORM))
  {
    Vb tempvb;

    temppdu = *pdu;
    temppdu.trim(temppdu.get_vb_count());

    // vb #1 is the timestamp
    TimeTicks timestamp;
    tempvb.set_oid(SNMP_MSG_OID_SYSUPTIME);   // sysuptime
    pdu->get_notify_timestamp( timestamp);
    tempvb.set_value ( timestamp);
    temppdu += tempvb;

    // vb #2 is the id
    Oid trapid;
    tempvb.set_oid(SNMP_MSG_OID_TRAPID);
    pdu->get_notify_id( trapid);
    tempvb.set_value( trapid);
    temppdu += tempvb;

    // append the remaining vbs
    for (int z=0; z<pdu->get_vb_count(); z++) {
      pdu->get_vb( tempvb,z);
      temppdu += tempvb;
    }

    pdu = &temppdu;          // reassign the pdu to the temp one
  }
  // load up the payload
  // for all Vbs in list, add them to the pdu
  int vb_count;
  Vb tempvb;
  Oid tempoid;
  SmiLPOID smioid;
  SmiVALUE smival;

  vb_count = pdu->get_vb_count();

void* runable(void *data) {
  //--------[ build up SNMP++ object needed ]-------------------------------
  ssync.lock();
  printf("HELLO:%s\n", community.get_printable());
  int t = *((int*)data);
  Pdu pdu;                              // construct a Pdu object
  Vb vb;                                // construct a Vb object
  vb.set_oid("1");                     // set the Oid portion of the Vb
  pdu += vb;                            // add the vb to the Pdu
  CTarget ctarget(address[t]);            // make a target using the address
#ifdef _SNMPv3
  UTarget utarget(address[t]);

  if (version == version3) {
    utarget.set_version( version);          // set the SNMP version SNMPV1 or V2 or V3
    utarget.set_retry( retries);            // set the number of auto retries
    utarget.set_timeout( timeout);          // set timeout
    utarget.set_security_model( securityModel);
    utarget.set_security_name( securityName);
    pdu.set_security_level( securityLevel);
    pdu.set_context_name (contextName);
    pdu.set_context_engine_id(contextEngineID);
  }
  else {
#endif
    ctarget.set_version( version);          // set the SNMP version SNMPV1 or V2 or V3
    ctarget.set_retry( retries);            // set the number of auto retries
    ctarget.set_timeout( timeout);          // set timeout
    ctarget.set_readcommunity( community);  // set the read community to use
    ctarget.set_writecommunity( community);
#ifdef _SNMPv3
  }
#endif

  //-------[ issue the request, blocked mode ]-----------------------------
  cout << "(" << t << "): " 
       << "SNMP++ snmpWalk to " << address[t].get_printable() << " SNMPV" 
#ifdef _SNMPv3
       << ((version==version3) ? (version) : (version+1)) 
#else
       << (version+1) 
#endif
       << " Retries=" << retries
       << " Timeout=" << timeout <<"ms";
#ifdef _SNMPv3
  if (version == version3)
    cout << endl 
	 << "securityName= " << securityName.get_printable()
	 << ", securityLevel= " << securityLevel
	 << ", securityModel= " << securityModel << endl
	 << "contextName= " << contextName.get_printable()
	 << ", contextEngineID= " << contextEngineID.get_printable()
	 << endl;
  else
#endif
    cout << " Community=" << community.get_printable() << endl << flush;

  SnmpTarget *target;
#ifdef _SNMPv3
  if (version == version3)
    target = &utarget;
  else
#endif
    target = &ctarget;

  int status = 0;
  int requests = 0;
  int objects = 0;
  ssync.unlock();
  while (( status = snmp->get_bulk( pdu,*target,0,BULK_MAX))
	 == SNMP_CLASS_SUCCESS)
  {
    requests++;
    ssync.lock();
    for ( int z=0;z<pdu.get_vb_count(); z++) {
      pdu.get_vb( vb,z);
#ifdef _SNMPv3
      if (pdu.get_type() == REPORT_MSG) {
	Oid tmp;
	vb.get_oid(tmp);
	cout << "(" << t << "): " << "Received a reportPdu: "
	     << snmp->error_msg( tmp) 
	     << endl
	     << vb.get_printable_oid() << " = "
	     << vb.get_printable_value() << endl;
	ssync.unlock();
	return 0;
      }
#endif
      objects++;
      // look for var bind exception, applies to v2 only   
      if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW) {
	cout <<  "(" << t << "): " 
	     << vb.get_printable_oid() << " = ";
	cout << vb.get_printable_value() << "\n";
      }
      else {
	cout <<  "(" << t << "): " 
	     << "End of MIB Reached\n";
	cout <<  "(" << t << "): " 
//.........这里部分代码省略.........