User defined error

valantina arumugam <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <[email protected]>
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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