[AGENT++] snmp++ noob question OFF TOPIC

[don radick]

Jochen,
Thanks for the friendly, and fast advice, but I mis-typed my query
rather than pasting in the source and compiler output, and then
I found the real problem.  It's a truism that you tend to find the problem
after you've shown it publicly!

Here's the class as written:

class SnmpQueryBase : public Snmp
{
private:
    // class- based version of snmp++ snmp_vars
   snmp_version _version;                  // default is v1
   int _retries;                           // default retries is 1
   int _timeout;                           // default is 1 second
   u_short _port;                         // default snmp port is 161
   OctetStr _community;                  // lab community name
   int _status;                            // status code from snmp++ 
api calls  
   Oid _oid;
   Snmp _snmp_session;    // HERE'S THE PROBLEM!!!  no param to Snmp ctor
   Pdu _pdu;                            // protocol data unit
   Vb _vb;                                // varbind struct
public:   
    SnmpQueryBase(int &_status);
    virtual ~SnmpQueryBase();

};


Since the header file did not give any errors, I kept looking in the 
.cpp file
where I had properly defined Snmp(status) in an initializer

The definition of:                 Snmp _snmp_session;

resulted in an error from gcc:   "no matching function for call to 
Snmp::Snmp()"

regards, and apologies for wasted bandwidth.

-Don



Jochen Katz wrote:

> Hi,
>
>
>> I'm trying to extend the Snmp class, and can't get a compile -
>
>
>> class SnmpQueryBase : public Snmp
>> {
>>    SnmpQueryBase(int &stat);
>> }
>
>
>> SnmpQueryBase::SnmpQueryBase(int &stat) :  Snmp(stat)
>
>
> try to find the fix ;-)
>
> class SnmpQueryBase : public Snmp
> {
>    SnmpQueryBase(int &stat);
> };
>
>
> SnmpQueryBase::SnmpQueryBase(int &stat) :  Snmp(stat) {};
>
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> You forgot a ";" at the end of the class definition...
>
> | error: ISO C++ forbids defining types within return type
> | error: return type specification for constructor invalid
>
>
> Regards,
>   Jochen
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