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/* -*-C++-*- */
#ifndef WPDU_H_
#define WPDU_H_
//=============================================================================
/**
* @file wpdu.h
*
* $Id$
*
* Adapter class. Converts a Pdu and GenTarget into a format
* that can be stuffed out a I/O port
*
*
* @author Michael R. MacFaden re-worked api
* @author use ACE APIPeter E Mellquist wrote original class snmpmsg
*/
//=============================================================================
#include "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "asnmp/asn1.h"
#include "asnmp/pdu.h"
#include "asnmp/target.h"
// this is an adapter class, it peforms the following transformations
// PDU / Target -> iovec buffer
// iovec buffer -> PDU / Target
struct snmp_pdu;
/**
* @class wpdu
*
* @brief Implement an Adapter pattern between CMU SNMP and HP SNMP++
*/
class ASNMP_Export wpdu
{
public:
/// construct CMU data from HP SNMP++ objects
/// construct HP SNMP++ objects from raw buffer via CMU SNMP datatypes
wpdu(const Pdu& pdu, const UdpTarget& target);
wpdu(const iovec& buffer);
wpdu(); // same as using iovec?
~wpdu();
/// constructor completed ok? rc = 1 else 0
int valid() const;
/// return raw data stream via CMU code
const iovec& get_buffer() const;
/// return HP SNMP++ pdu
int get_pdu(Pdu& pdu, snmp_version& version);
/// return community strptr
const unsigned char *get_community() const;
private:
int convert_vb_to_smival( Vb &tempvb, SmiVALUE *smival );
int load_vbs(snmp_pdu *raw_pdu, const Pdu& pdu);
int restore_vbs(Pdu& pdu, const snmp_pdu *raw_pdu) const;
void free_smival_descriptor( SmiVALUE *smival );
static void copy_iovec(iovec& dest, const iovec& src);
int set_trap_info(snmp_pdu *raw_pdu, const Pdu& pdu) const;
/// raw format
iovec iovec_;
/// object construction state
int valid_flag_;
/// snmp version
snmp_version version_;
unsigned char community_name[MAX_COMM_STR_LEN];
unsigned long comm_len; // = MAX_COMM_STR_LEN;
};
#endif // WPDU_H_
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