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Diffstat (limited to 'ASNMP/asnmp/snmp.cpp')
| -rw-r--r-- | ASNMP/asnmp/snmp.cpp | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/ASNMP/asnmp/snmp.cpp b/ASNMP/asnmp/snmp.cpp deleted file mode 100644 index c3184cb3aef..00000000000 --- a/ASNMP/asnmp/snmp.cpp +++ /dev/null @@ -1,250 +0,0 @@ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// asnmp -// -// = FILENAME -// snmp.cpp -// -// = DESCRIPTION -// The basic SNMPv1 API - blocking version using UDP/IPv4 transport -// and addressing. -// -// = AUTHOR -// Peter E Mellquist class design/orig code -// Michael R MacFaden mrm@cisco.com / rework API, use ACE facilities -// ============================================================================ -/*=================================================================== - 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 - 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. -=====================================================================*/ - - -#define INCLUDE_SNMP_ERR_STRINGS_ - -//----[ snmp++ includes ]---------------------------------------------- -#include "asnmp/snmp.h" // class def for this module -#include "asnmp/oid.h" // class def for oids -#include "asnmp/enttraps.h" // class def for well known trap oids -#include "asnmp/vb.h" // class def for vbs -#include "asnmp/address.h" // class def for addresses -#include "asnmp/wpdu.h" // adapter to cmu_library / wire protocol -#include "asnmp/transaction.h" // synchronous transaction processor - -ACE_RCSID(asnmp, snmp, "$Id$") - -const coldStartOid coldStart; -const warmStartOid warmStart; -const linkDownOid linkDown; -const linkUpOid linkUp; -const authenticationFailureOid authenticationFailure; -const egpNeighborLossOid egpNeighborLoss; -const snmpTrapEnterpriseOid snmpTrapEnterprise; - -Snmp::Snmp(unsigned short port): result_(0), construct_status_(SNMP_CLASS_ERROR), last_transaction_status_(0) -{ - ACE_TRACE("Snmp::Snmp"); - - ACE_INET_Addr addr(port); // any port,address is ok - if (iv_snmp_session_.open(addr) < 0) { - last_transaction_status_ = errno; // open udp/ipv4 socket - ACE_DEBUG((LM_DEBUG, "Snmp::snmp::open port %d failed", port)); - return; - } - - // initial request id randomly generated then monotonically incremented - req_id_ = (unsigned) ACE_OS::time(NULL); - - construct_status_ = SNMP_CLASS_SUCCESS; - return; -} - -Snmp::~Snmp() -{ - ACE_TRACE("Snmp::~Snmp"); - iv_snmp_session_.close(); -} - -int Snmp::valid() const -{ - return construct_status_; -} - -// given error code, return string definition -// class version -// static -char * Snmp::error_string(int last_transaction_status_) -{ - ACE_TRACE("Snmp::error_string"); - - return ((last_transaction_status_ < 0) ? - ((last_transaction_status_ < MAX_NEG_ERROR)? - nErrs[ abs(MAX_NEG_ERROR) + 1] : nErrs[abs(last_transaction_status_)]): - ((last_transaction_status_ > MAX_POS_ERROR)? - pErrs[MAX_POS_ERROR+1] : pErrs[last_transaction_status_])); -} - -// instance version -char * Snmp::error_string() -{ - return Snmp::error_string(last_transaction_status_); -} - -void Snmp::check_default_port(UdpTarget& target, unsigned short port) -{ - UdpAddress tmp; - target.get_address(tmp); - if (tmp.get_port() == 0) { - tmp.set_port(port); - target.set_address(tmp); - } -} - -int Snmp::run_transaction(Pdu& pdu, UdpTarget& target) -{ - int rc, done = 0; - - // 1. set unique id to match this packet on return - size_t hold_req_id = req_id_++; - set_request_id(&pdu, hold_req_id); - - // 2. write request to agent - transaction trans(pdu, target, iv_snmp_session_); - - // this call blocks while it attempts to retrieve agent response - while (!done) { - if ((rc = trans.run()) < 0) { - last_transaction_status_ = rc; - return rc; - } - else { - trans.result(pdu); - // verify this is the pdu we are after - if (pdu.get_request_id() == hold_req_id) - done = 1 ; - } - } - return 0; -} - -int Snmp::run_transaction(Pdu& pdu, UdpTarget& target, Snmp_Result * cb) -{ - if (!cb) - return run_transaction(pdu, target); - - // 1. set unique id to match this packet on return - hold_req_id_ = req_id_++; - set_request_id(&pdu, hold_req_id_); - pdu_ = &pdu; - result_ = cb; - - // 2. write request to agent - transaction * trans = new transaction(pdu, target, iv_snmp_session_); - return trans->run(this); -} - -void Snmp::result(transaction *t, int rc) -{ - t->result(*pdu_); - // verify this is the pdu we are after - if (pdu_->get_request_id() == hold_req_id_) - { - last_transaction_status_ = rc; - delete t; - result_->result(this, rc); - } - else - { - rc = t->run(this); - if (rc < 0) - { - delete t; - result_->result(this, rc); - } - } -} - -int Snmp::validate_args(const Pdu& pdu, const UdpTarget& target) const -{ - // 0. check object status - if (construct_status_ != SNMP_CLASS_SUCCESS) - return construct_status_; - - // 1. check args passed - if ( !pdu.valid() || !target.valid() ) - return SNMP_INVALID_ARGS; - return 0; -} - -// SYNC API: write request to wire then wait for reply or timeout -int Snmp::get( Pdu &pdu, UdpTarget &target, Snmp_Result * cb) -{ - ACE_TRACE("Snmp::get"); - int rc; - if ((rc = validate_args(pdu, target)) != 0) - return rc; - - pdu.set_type( sNMP_PDU_GET); - check_default_port(target); - return run_transaction(pdu, target, cb); -} - -int Snmp::get_next( Pdu &pdu, UdpTarget &target, Snmp_Result * cb) -{ - ACE_TRACE("Snmp::get_next"); - int rc; - if ((rc = validate_args(pdu, target)) != 0) - return rc; - - pdu.set_type( sNMP_PDU_GETNEXT); - check_default_port(target); - return run_transaction(pdu, target, cb); -} - -int Snmp::set( Pdu &pdu, UdpTarget &target, Snmp_Result * cb) -{ - ACE_TRACE("Snmp::set"); - int rc; - if ((rc = validate_args(pdu, target)) != 0) - return rc; - - pdu.set_type( sNMP_PDU_SET); - check_default_port(target); - return run_transaction(pdu, target, cb); -} - -// one way, best of luck, non-confirmed alert -int Snmp::trap( Pdu &pdu, UdpTarget &target) -{ - ACE_TRACE("Snmp::trap"); - int rc; - if ((rc = validate_args(pdu, target)) != 0) - return rc; - - pdu.set_type( sNMP_PDU_V1TRAP); - check_default_port(target, DEF_TRAP_PORT); - - // 2. write request to agent - transaction trans(pdu, target, iv_snmp_session_); - if (trans.send() > 0) // expect number of bytes sent on - return 0; - - last_transaction_status_ = SNMP_CLASS_INTERNAL_ERROR; - return -1; -} - -Snmp_Result::~Snmp_Result() {} - |