The code which handles getNext is as below......
//Call back function registered in each OID
extern "C" u_char* MibThreadGet(struct variable *vp, oid * name,
size_t * length, int exact, size_t *
var_len,
WriteMethod ** write_method)
{
*write_method = RunSet;
if (exact)
{
std::cout<<"MIBTHREADGET FUNCTION RUNGET CALLED"<<std::endl;
return RunGet(vp, name, length, var_len);
}
else
{
std::cout<<"MIBTHREADGET FUNCTION RUNGETNEXT CALLED"<<std::endl;
return RunGetNext(vp, name, length, var_len);
}
}
//GetNext supporting function
static u_char* RunGetNext( struct variable *vp, oid * name, size_t *
length, size_t * var_len )
{
size_t instlen = *length - vp->namelen;
netsnmp_oid2str(strOID, name, *length);
bool bRequestSuccess = false;
std::string strNewOID = "";
std::string strNewInstance = "";
std::string strNewValue = "";
//Pass the OID to Application which holds the value and get it.
bRequestSuccess = gGlobals.m_ICCClient.sendGetNextMessage(SerializedMsg,
"OAMICC",
1,
strNewValue,
strNewInstance,
strNewOID);
if (bRequestSuccess)
{
strTotalOID = strTotalOID + std::string(".") + strNewInstance;
std::vector<long> vectOID;
vectOID.clear();
vectOID = convertToOid(strTotalOID, 0);
unsigned int iCount = 0;
for (; iCount < vectOID.size(); ++iCount)
{
name[(unsigned int)iCount] = vectOID[iCount];
vp->name[(unsigned int)iCount] = vectOID[iCount];
}
*length = (long) iCount;
vp->namelen = *length;
//Get the type of new OID returned.
snmpCounterType eCounterType = gGlobals.getTypeForOID(strNewOID);
vp->type = (char)eCounterType;
switch (eCounterType)
{
case snmp_Type_Integer32 :
case snmp_Type_CompInteger32 :
case snmp_Type_TimeTicks :
case snmp_Type_Counter32 :
case snmp_Type_Gauge32 :
case snmp_Type_UInteger32 :
case snmp_Type_Counter64 :
{
long_ret = atol(strRetValue.c_str());
std::cout<<"Returning Int Value : "<<long_ret<<std::endl;
*var_len = sizeof(long_ret);
return (u_char *) &long_ret;
}
case snmp_Type_IpAddress :
{
*var_len = 4;
if (!strRetValue.empty ())
{
hp = gethostbyname(strRetValue.c_str());
if ( hp )
return (u_char *)hp->h_addr_list[0];
}
return (u_char *)strRetValue.c_str();
}
case snmp_Type_ObjectId :
{
vp->type = snmp_Type_ObjectId;
if (!strRetValue.empty ())
{
*var_len = (int) 14;
return (u_char *)strRetValue.c_str();
}
std::cout <<"I am never here" << std::endl;
*var_len = (int) 1;
return (u_char *)strRetValue.c_str();
}
case snmp_Type_BitString :
{
u_char* x;
vp->type = snmp_Type_OctetString;
*var_len =2;
std::cout<<"Returning Value : "<<strRetValue<<std::endl;
x=getBits(strRetValue);
return (u_char *) x;
}
default :
{
std::cout<<"Returning NULL Value...."<<std::endl;
return NULL;
}
}
}
}
-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Dave Shield
Sent: Friday, February 27, 2009 2:57 PM
To: Ragesh V
Cc: [email protected]
Subject: Re: SNMP Agent response time
2009/2/27 Ragesh V <[email protected]>:
> It's for processing the getnext request.
I didn't ask for a description what your code does.
I asked what it looked like.
Please post the *actual* code.
Dave
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