SNMP Manager Programmer's Guide

Reference Summary

SNMP Manager Programmer’s Guide–134249

9-45

Decoding Packets

When you receive a response or trap packet, regardless of whether the packet is BER- or

IPC-encoded, you use SNMP_Decode_Packet_WER() to decode it into a structure of

type SNMP_PKT_T, which this function allocates dynamically. Dynamically allocated

memory should be released by using SNMP_Free() when you no longer need the

decoded-packet structure.

packet = SNMP_Decode_Packet_WER(rcvd-buffer, read-count,

(SNMPADDR_T*) 0,

rcode);

SNMP_PKT_T* SNMP_Decode_Packet_WER(unsigned char *rcvd-

buffer,

int read-count,

SNMPADDR_T *pktsrc,

SNMPADDR_T *pktdst,

int *rcode);

packet

A pointer to a structure of type SNMP_PKT_T if the function

succeeds or a null pointer if it fails.

rcvd-buffer

A pointer to the buffer containing the packet to be decoded.

read-count

The number of bytes to decode.

rcode

An integer describing the success of the call. A value of 0

indicates success, and a value of 1 indicates an error occurred.

pktsrc

pktdst

Should be set to 0.