RE: User defined error

Hi
 
SNMP error codes are defined in PDU definition in RFC 1905 (Protocol
Operations for SNMPv2). The header file
"include/net-snmp/library/snmp.h" has these definitions.
I am not sure if user defined errors can be sent in response to snmp
requests.
 
Regards,
Suresh.
 
 
 
 

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of
valantina arumugam
Sent: Wednesday, July 11, 2007 10:59 AM
To: [email protected]
Subject: User defined error


Hi all,


    I am doing a agent coding which inturn depends on another layer to
get real time data . If something goes wrong with the underlying layer ,
it needs to display that error message to the manager(client) instead of
the general SNMP error(ie. SNMP_ERR_GENERR ) .
    
    So ,is there a provision to send user defined error string in
net-snmp or the SNMP standard itself doesn't support it ? In which RFC
file, details about these error codes are defined? I have looked into
the some RFC file where i couldn't find these details.
    
    
        
    And in net-snmp-5.3.1/include/net-snmp/agent/mfd.h file there is
something like 
        
        
/*----------------------------------------------------------------------
 * 8 flags resevered for the user
 */
#define MFD_ROW_FLAG_USER_1            0x00000001 /* user flag 1 */
#define MFD_ROW_FLAG_USER_2            0x00000002 /* user flag 2 */
#define MFD_ROW_FLAG_USER_3            0x00000004 /* user flag 3 */
#define MFD_ROW_FLAG_USER_4            0x00000008 /* user flag 4 */
#define MFD_ROW_FLAG_USER_5            0x00000010 /* user flag 5 */
#define MFD_ROW_FLAG_USER_6            0x00000020 /* user flag 6 */
#define MFD_ROW_FLAG_USER_7            0x00000040 /* user flag 7 */
#define MFD_ROW_FLAG_USER_8            0x00000080 /* user flag 8 */
#define MFD_ROW_FLAG_USER_MASK         0x000000ff /* user flag mask */

        
    Does these flags mean that there's a option to define our own error
string or something else?? 
    
    I have seen in the other SNMP package - AdventNet which provides a
facility to send user defined error codes.    
    
    
    Thanks for your suggestions.
    
    
Thanks & Regards    
Valantina
    
    




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