src/snmp/Pdu.h

   1 /*
   2  * DEBUG: section 49    SNMP Interface
   3  *
   4  */
   5
   6 #ifndef SQUID_SNMPX_PDU_H
   7 #define SQUID_SNMPX_PDU_H
   8
   9 #include "ipc/forward.h"
  10 #include "Range.h"
  11 #include "snmp.h"
  12
  13 namespace Snmp
  14 {
  15
  16 /// snmp_pdu wrapper introduce the feature
  17 /// to aggregate variables and to pack/unpack message
  18 class Pdu: public snmp_pdu
  19 {
  20 public:
  21     Pdu();
  22     Pdu(const Pdu& pdu);
  23     Pdu& operator = (const Pdu& pdu);
  24     ~Pdu();
  25
  26     void aggregate(const Pdu& pdu);
  27     void fixAggregate();
  28     void pack(Ipc::TypedMsgHdr& msg) const; ///< prepare for sendmsg()
  29     void unpack(const Ipc::TypedMsgHdr& msg); ///< restore struct from the message
  30     int  varCount() const; ///< size of variables list
  31     void clear();  ///< clear all internal members
  32     void setVars(variable_list* vars); ///< perform assignment of variables list
  33     void clearVars(); ///< clear variables list
  34     Range<const oid*> getSystemOid() const;
  35     void setSystemOid(const Range<const oid*>& systemOid);
  36     void clearSystemOid();
  37
  38 private:
  39     void init(); ///< initialize members
  40     void assign(const Pdu& pdu); ///< perform full assignment
  41     unsigned int aggrCount;  ///< The number of other Pdus merged into
  42 };
  43
  44 } // namespace Snmp
  45
  46 #endif /* SQUID_SNMPX_PDU_H */