unsigned long CSVSnmpOID::AvgValue(const MonitorResult &ResultList)
{
if(!m_bSum)
{
m_szSumValue = 0;
m_szIndexCount = 0;
m_ulMax = 0;
m_ulMin = 0;
unsigned long uValue = 0;
for(resultConstItem it = ResultList.begin(); it != ResultList.end(); it ++)
{
if(!m_szSelName.empty() && it->second.m_szValue == m_szSelName)
{
m_szIndexCount ++;
uValue = atoi(it->second.m_szValue.c_str());
m_szSumValue += uValue;
if(m_ulMax < uValue)
m_ulMax = uValue;
if(m_ulMin > uValue)
m_ulMin = uValue;
}
else if(m_szSelName.empty())
{
m_szIndexCount ++;
uValue = atoi(it->second.m_szValue.c_str());
m_szSumValue += uValue;
if(m_ulMax < uValue)
m_ulMax = uValue;
if(m_ulMin > uValue)
m_ulMin = uValue;
}
}
//m_szIndexCount = static_cast<int>(ResultList.size());
m_bSum = true;
}
if(m_szIndexCount > 0)
return static_cast<unsigned long>(m_szSumValue / m_szIndexCount);
else
return 0;
}
/////////////////////////////////////////////////////////////////////////////
// 函数：GetResult //
// 说明：根据已经配置好的参数来进行计算 //
// 参数： //
// chReturn, [in]类型，计算结果 //
// 返回值： //
// 成果返回true,否则返回false //
/////////////////////////////////////////////////////////////////////////////
bool CSnmpOperate::GetResult(char* chReturn, int & nSize)
{
int i;
CSVSnmpOID objOID;
if(InitSNMP(objOID) == 0)
{//初始化SNMP
if(!ReadConfig())
{//读取配置文件失败
strcpy(chReturn, chResult);
nSize = static_cast<int>(strlen(chResult));
return FALSE;
}
bool bReturn = true;
svutil::TTime curTime = svutil::TTime::GetCurrentTimeEx();
char chOID[MAX_BUFF_LEN] = {0};
CSVExpression expression;
MonitorResult resultList;
resultItem resultIt;
for(i = 0 ; i < m_nOidCount; i++)
{//得到每一个oid的结果
if(pOidList[i].nType == 1)
{
if(strlen(pOidList[i].chOIDIndex)==0)
{
objOID.SetOIDType(1);
sprintf(chOID, "%s", pOidList[i].chOID);
}
else
{
objOID.SetOIDType(0);
sprintf(chOID, "%s.%s", pOidList[i].chOID , pOidList[i].chOIDIndex);
}
}
else
{
sprintf(chOID, "%s", pOidList[i].chOID);
}
objOID.SetSelName(chSelValue);
objOID.SetOIDValue(chOID);
resultList.clear();
int nResult = objOID.GetResult(resultList);
if(nResult ==0)
{//得到结果成功
resultIt = resultList.begin();
/*// FILE *stream;
//
// sprintf(str,"%s\n%s:%s,%s\n",str,resultIt->second.m_szOID.c_str(),
// resultIt->second.m_szValue.c_str(),
// resultIt->second.m_szIndex.c_str());
//
// stream = fopen( "fread.txt", "a+" );
// fwrite( str, sizeof( char ), strlen(str), stream );
// fclose(stream);
*///
if(resultIt != resultList.end())
{
unsigned long ulHisValue = 0, ulValue = 0,uSubValue = 0;
ulHisValue = (unsigned long)atoi(pOidList[i].chHisValue);
ulValue = (unsigned long)atoi(resultIt->second.m_szValue.c_str());
uSubValue = ulValue;
if(pOidList[i].lHisTime == -99 && pOidList[i].nHasHistory == 1)
{
bReturn = false;
}
else
{
unsigned long lTime = 0;//时间差值
if(pOidList[i].nHasHistory == 1)
{
if(ulValue < ulHisValue)
{
//ulValue = 0;
char chMsg[MAX_BUFF_LEN] = {0};
char chSection[MAX_BUFF_LEN] = {0};
char chTempFile[MAX_BUFF_LEN] = {0};
sprintf(chTempFile, "snmp_%s_%s_%s.ini", chHostIP, chIfIndex, chMonitorID);
sprintf(chSection, "InterFace_%d_%s_%d", m_nTPLID, chIfIndex, i+1);
strcpy(pOidList[i].chHisValue, resultIt->second.m_szValue.c_str());
WritePrivateProfileString1(chSection, "HistoryValue", pOidList[i].chHisValue, chTempFile);
sprintf(chMsg, "%ld", curTime.GetTime());
WritePrivateProfileString1(chSection, "ifTime", chMsg, chTempFile);
Sleep(1000);
GetResult(chReturn, nSize);
}
else
uSubValue = ulValue - ulHisValue;
if(uSubValue > ulValue)
{
ofstream fout("snmperror.log",ios::app);
fout << "oid" << i + 1<<":hisvalue="<< pOidList[i].chHisValue<<":"<<ulHisValue <<
", curvalue="<<resultIt->second.m_szValue<<":"<<ulValue<<
", subvalue="<<uSubValue<<", time="<<lTime<<", curtime="<<curTime.Format()<<"\r\n";
fout << flush;
fout.close();
}
TTime bTime(pOidList[i].lHisTime);//上次采集数据时间
TTimeSpan spanTime = curTime - bTime; //时间差
strlwr(pOidList[i].chUnit);//单位所有字符变换为小写
if(strcmp(pOidList[i].chUnit, "second") == 0)
{//单位是秒
lTime = spanTime.GetTotalSeconds();
}
else if(strcmp(pOidList[i].chUnit, "minute") == 0)
{//单位是分钟
lTime = spanTime.GetTotalMinutes();
}
else if(strcmp(pOidList[i].chUnit, "hours") == 0)
{//单位是小时
lTime = spanTime.GetHours();
}
else
{//缺省条件以秒计算
lTime = spanTime.GetTotalSeconds();
}
if(lTime <= 0)
{
//lTime = 1;
char chMsg[MAX_BUFF_LEN] = {0};
char chSection[MAX_BUFF_LEN] = {0};
char chTempFile[MAX_BUFF_LEN] = {0};
sprintf(chTempFile, "snmp_%s_%s_%s.ini", chHostIP, chIfIndex, chMonitorID);
sprintf(chSection, "InterFace_%d_%s_%d", m_nTPLID, chIfIndex, i+1);
strcpy(pOidList[i].chHisValue, resultIt->second.m_szValue.c_str());
WritePrivateProfileString1(chSection, "HistoryValue", pOidList[i].chHisValue, chTempFile);
sprintf(chMsg, "%ld", curTime.GetTime());
WritePrivateProfileString1(chSection, "ifTime", chMsg, chTempFile);
Sleep(1000);
GetResult(chReturn, nSize);
}
}
char chOIDName[8] = {0};
sprintf(chOIDName, "oid%d", i + 1);
string szOIDName = chOIDName;
expression.AddFields(szOIDName, "value", uSubValue);
expression.AddFields(szOIDName, "time", lTime);
expression.AddFields(szOIDName, "avg", objOID.AvgValue(resultList));
expression.AddFields(szOIDName, "max", objOID.MaxValue(resultList));
expression.AddFields(szOIDName, "min", objOID.MinValue(resultList));
expression.AddFields(szOIDName, "total", objOID.SumValue(resultList));
expression.AddFields(szOIDName, "indexcount", objOID.IndexCount(resultList));
}
strcpy(pOidList[i].chHisValue, resultIt->second.m_szValue.c_str());
}
else
{
bReturn = false;
}
}
else
{//如果获取oid值失败
bReturn = false;
//(TPLMIB-%d-oid-%d) 用户无法理解
sprintf(chReturn, "error=%s", objOID.GetErrorMsg(nResult), m_nTPLID, i+1);
nSize = static_cast<int>(strlen(chReturn));
break;
}
}
chResult[0] = '\0';
int retlen = 0;
if(bReturn)
{
try
{
for(map<string, string, less<string> >::iterator it = m_mapExpList.begin(); it != m_mapExpList.end(); it ++)
{//根据每一个公式计算结果
string rpn;//公式拆分结果
double dResult = 0.0f;
int err = expression.calculateDouble(it->first, dResult);
if(err == CSVExpression::eval_ok )
{//计算成功
if( i == 0)
{//如果是第一条计算结果
sprintf(chReturn, "%s=%.2f", it->second.c_str(), dResult);
retlen = static_cast<int>(strlen(chReturn)) + 1;
nSize = retlen;
}
else
{//不是第一条计算结果
char chTemp[MAX_BUFF_LEN] = {0};
char chTemp1[MAX_BUFF_LEN] = {0};
memcpy(chTemp, chReturn, retlen);
//格式化结果字符串
sprintf(chTemp1, "%s=%.2f", it->second.c_str(), dResult);
int retlen1 = static_cast<int>(strlen(chTemp1));
memcpy(chReturn + retlen, chTemp1, retlen1);
retlen += (retlen1 + 1);
nSize = retlen;
}
}
else
{//如果计算公式中存在错误或者计算中出现错误（如：除数为0）
if(err == CSVExpression::eval_idiv)
{
if( i == 0)
{//如果是第一条计算结果
sprintf(chReturn, "%s=0.0", it->second.c_str());
retlen = static_cast<int>(strlen(chReturn)) + 1;
}
else
{//不是第一条计算结果
char chTemp[MAX_BUFF_LEN] = {0};
char chTemp1[MAX_BUFF_LEN] = {0};
memcpy(chTemp, chReturn, retlen);
//格式化结果字符串
sprintf(chTemp1, "%s=0.0f", it->second.c_str());
int retlen1 = static_cast<int>(strlen(chTemp1));
memcpy(chReturn + retlen, chTemp1, retlen1);
retlen += (retlen1 + 1);
}
nSize = retlen;
}
}
}
}
catch(...)
{
DWORD dwError = GetLastError();
char szMsg[512] = {0};
int nlen = sprintf(szMsg, "Error Number is %08X --*Get Result*---", dwError);
DumpLog("snmpmonitor-exp.log", szMsg, nlen);
}
}
else
{
if(strlen(chReturn)<1)
{
std::string m_TempStr = FuncGetStringFromIDS("SV_SNMP_MONITOR", "SNMP_NO_HISTORY_DATA");
sprintf(chReturn, "error=%s", m_TempStr.c_str());
nSize = static_cast<int>(strlen(chReturn));
}
}
char chMsg[MAX_BUFF_LEN] = {0};
char chSection[MAX_BUFF_LEN] = {0};
char chTempFile[MAX_BUFF_LEN] = {0};
sprintf(chTempFile, "snmp_%s_%s_%s.ini", chHostIP, chIfIndex, chMonitorID);
for(i = 0 ; i < m_nOidCount; i++)
{
sprintf(chSection, "InterFace_%d_%s_%d", m_nTPLID, chIfIndex, i+1);
WritePrivateProfileString1(chSection, "HistoryValue", pOidList[i].chHisValue, chTempFile);
sprintf(chMsg, "%ld", curTime.GetTime());
WritePrivateProfileString1(chSection, "ifTime", chMsg, chTempFile);
}
}
else
{//初始化SNMP失败
std::string m_IDS = FuncGetStringFromIDS("IDS_InitSNMPFailed");
sprintf(chReturn, "error=%s", (char*)m_IDS.c_str());
nSize = static_cast<int>(strlen(chReturn));
return false;
}
return true;
}