/*_############################################################################ _## _## msgqueue.h _## _## SNMP++v3.2.23 _## ----------------------------------------------- _## Copyright (c) 2001-2007 Jochen Katz, Frank Fock _## _## This software is based on SNMP++2.6 from Hewlett Packard: _## _## Copyright (c) 1996 _## Hewlett-Packard Company _## _## ATTENTION: USE OF THIS SOFTWARE IS SUBJECT TO THE FOLLOWING TERMS. _## Permission to use, copy, modify, distribute and/or sell this software _## and/or its documentation is hereby granted without fee. User agrees _## to display the above copyright notice and this license notice in all _## copies of the software and any documentation of the software. User _## agrees to assume all liability for the use of the software; _## Hewlett-Packard and Jochen Katz make no representations about the _## suitability of this software for any purpose. It is provided _## "AS-IS" without warranty of any kind, either express or implied. User _## hereby grants a royalty-free license to any and all derivatives based _## upon this software code base. _## _## Stuttgart, Germany, Sun Nov 11 15:10:59 CET 2007 _## _##########################################################################*/ /*=================================================================== Copyright (c) 1999 Hewlett-Packard Company ATTENTION: USE OF THIS SOFTWARE IS SUBJECT TO THE FOLLOWING TERMS. Permission to use, copy, modify, distribute and/or sell this software and/or its documentation is hereby granted without fee. User agrees to display the above copyright notice and this license notice in all copies of the software and any documentation of the software. User agrees to assume all liability for the use of the software; Hewlett-Packard makes no representations about the suitability of this software for any purpose. It is provided "AS-IS without warranty of any kind,either express or implied. User hereby grants a royalty-free license to any and all derivatives based upon this software code base. M S G Q U E U E . H CSNMPMessageQueue CLASS DEFINITION COPYRIGHT HEWLETT PACKARD COMPANY 1999 INFORMATION NETWORKS DIVISION NETWORK MANAGEMENT SECTION DESIGN + AUTHOR: Tom Murray LANGUAGE: ANSI C++ DESCRIPTION: Queue for holing SNMP event sources (outstanding snmp messages) =====================================================================*/ // $Id: msgqueue.h 306 2007-09-14 20:01:45Z katz $ #ifndef _MSGQUEUE #define _MSGQUEUE //----[ includes ]----------------------------------------------------- #include // NOTE: due to 10.10 bug, order is important // in that all routines must include types.h // and time.h in same order otherwise you // will get conflicting definitions of // "fd_set" resulting in link time errors. #ifndef WIN32 #if !(defined CPU && CPU == PPC603) #include // time stuff and fd_set #endif #endif //----[ snmp++ includes ]---------------------------------------------- #include "snmp_pp/config_snmp_pp.h" #include "snmp_pp/address.h" #include "snmp_pp/target.h" #include "snmp_pp/pdu.h" #include "snmp_pp/msec.h" #include "snmp_pp/uxsnmp.h" #include "snmp_pp/eventlist.h" #ifdef SNMP_PP_NAMESPACE namespace Snmp_pp { #endif //----[ defines ]------------------------------------------------------ //----[ CSNMPMessage class ]------------------------------------------- /*-----------------------------------------------------------*/ /* CSNMPMessage */ /* a description of a single MIB access operation. */ /*-----------------------------------------------------------*/ class DLLOPT CSNMPMessage { public: CSNMPMessage(unsigned long id, Snmp * snmp, SnmpSocket socket, const SnmpTarget &target, Pdu &pdu, unsigned char * rawPdu, size_t rawPduLen, const Address & address, snmp_callback callBack, void * callData); virtual ~CSNMPMessage(); unsigned long GetId() const { return m_uniqueId; }; void ResetId(const unsigned long newId) { m_uniqueId = newId; }; void SetSendTime(); void GetSendTime(msec &sendTime) const { sendTime = m_sendTime; }; SnmpSocket GetSocket() const { return m_socket; }; int SetPdu(const int reason, const Pdu &pdu, const UdpAddress &fromaddress); int GetPdu(int &reason, Pdu &pdu) { pdu = m_pdu; reason = m_reason; return 0; }; int GetReceived() const { return m_received; }; int ResendMessage(); int Callback(const int reason); SnmpTarget *GetTarget() { return m_target; }; protected: unsigned long m_uniqueId; msec m_sendTime; Snmp * m_snmp; SnmpSocket m_socket; SnmpTarget * m_target; Pdu m_pdu; unsigned char * m_rawPdu; size_t m_rawPduLen; Address * m_address; snmp_callback m_callBack; void * m_callData; int m_reason; int m_received; }; /*-----------------------------------------------------------*/ /* CSNMPMessageQueue */ /* class describing a collection of outstanding SNMP msgs. */ /*-----------------------------------------------------------*/ class DLLOPT CSNMPMessageQueue: public CEvents { public: CSNMPMessageQueue(EventListHolder *holder, Snmp *session); virtual ~CSNMPMessageQueue(); CSNMPMessage *AddEntry(unsigned long id, Snmp *snmp, SnmpSocket socket, const SnmpTarget &target, Pdu &pdu, unsigned char * rawPdu, size_t rawPduLen, const Address & address, snmp_callback callBack, void * callData); CSNMPMessage *GetEntry(const unsigned long uniqueId); int DeleteEntry(const unsigned long uniqueId); void DeleteSocketEntry(const SnmpSocket socket); // find the next msg that will timeout CSNMPMessage *GetNextTimeoutEntry(); // find the next timeout int GetNextTimeout(msec &sendTime); // set up parameters for select void GetFdSets(int &maxfds, fd_set &readfds, fd_set &writefds, fd_set &exceptfds); // return number of outstanding messages int GetCount() { return m_msgCount; }; // tell the queue we are looking for an id void PushId(const unsigned long id); unsigned long PeekId(); int HandleEvents(const int maxfds, const fd_set &readfds, const fd_set &writefds, const fd_set &exceptfds); int DoRetries(const msec &sendtime); int Done(); int Done(unsigned long); protected: /*---------------------------------------------------------*/ /* CSNMPMessageQueueElt */ /* a container for a single item on a linked lists of */ /* CSNMPMessages. */ /*---------------------------------------------------------*/ class DLLOPT CSNMPMessageQueueElt { public: CSNMPMessageQueueElt(CSNMPMessage *message, CSNMPMessageQueueElt *next, CSNMPMessageQueueElt *previous); ~CSNMPMessageQueueElt(); CSNMPMessageQueueElt *GetNext() { return m_Next; } CSNMPMessage *GetMessage() { return m_message; } CSNMPMessage *TestId(const unsigned long uniqueId); private: CSNMPMessage *m_message; class CSNMPMessageQueueElt *m_Next; class CSNMPMessageQueueElt *m_previous; }; CSNMPMessageQueueElt m_head; int m_msgCount; unsigned long *m_idStack; int m_stackTop; int m_stackSize; EventListHolder *my_holder; Snmp *m_snmpSession; }; #ifdef SNMP_PP_NAMESPACE } // end of namespace Snmp_pp #endif #endif