snmpserv.cxx
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上传日期:2007-01-06
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- /*
- * snmpserv.cxx
- *
- * SNMP Server (agent) class
- *
- * Portable Windows Library
- *
- * Copyright (c) 1993-1998 Equivalence Pty. Ltd.
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.0 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
- *
- * The Original Code is Portable Windows Library.
- *
- * The Initial Developer of the Original Code is Equivalence Pty. Ltd.
- *
- * Portions are Copyright (C) 1993 Free Software Foundation, Inc.
- * All Rights Reserved.
- *
- * Contributor(s): ______________________________________.
- *
- * $Log: snmpserv.cxx,v $
- * Revision 1.3 1998/11/30 04:52:09 robertj
- * New directory structure
- *
- * Revision 1.2 1998/09/23 06:22:42 robertj
- * Added open source copyright license.
- *
- * Revision 1.1 1996/09/14 13:02:18 robertj
- * Initial revision
- *
- */
- #include <ptlib.h>
- #include <ptclib/psnmp.h>
- BOOL PSNMPServer::SendGetResponse (PSNMPVarBindingList &)
- {
- PAssertAlways("SendGetResponse not yet implemented");
- return GenErr;
- }
- void PSNMPServer::OnGetRequest (PSNMPVarBindingList &)
- {
- }
- void PSNMPServer::OnGetNextRequest (PSNMPVarBindingList &)
- {
- }
- void PSNMPServer::OnSetRequest (PSNMPVarBindingList &)
- {
- }
- BOOL PSNMP::DecodeTrap(const PBYTEArray & readBuffer,
- PINDEX & version,
- PString & community,
- PString & enterprise,
- PIPSocket::Address & address,
- PINDEX & genericTrapType,
- PINDEX & specificTrapType,
- PASNUnsigned & timeTicks,
- PSNMPVarBindingList & varsOut)
- {
- // parse the response
- PASNSequence response(readBuffer);
- PINDEX seqLen = response.GetSize();
- // check PDU
- if (seqLen != 3 ||
- response[0].GetType() != PASNObject::Integer ||
- response[1].GetType() != PASNObject::String ||
- response[2].GetType() != PASNObject::Choice)
- return FALSE;
- // check the PDU data
- const PASNSequence & rPduData = response[2].GetSequence();
- seqLen = rPduData.GetSize();
- if (seqLen != 6 ||
- rPduData.GetChoice() != Trap ||
- rPduData[0].GetType() != PASNObject::ObjectID ||
- rPduData[1].GetType() != PASNObject::IPAddress ||
- rPduData[2].GetType() != PASNObject::Integer ||
- rPduData[3].GetType() != PASNObject::Integer ||
- rPduData[4].GetType() != PASNObject::TimeTicks ||
- rPduData[5].GetType() != PASNObject::Sequence)
- return FALSE;
- version = response[0].GetInteger();
- community = response[1].GetString();
- enterprise = rPduData[0].GetString();
- address = rPduData[1].GetIPAddress();
- genericTrapType = rPduData[2].GetInteger();
- specificTrapType = rPduData[3].GetInteger();
- timeTicks = rPduData[4].GetUnsigned();
- // check the variable bindings
- const PASNSequence & rBindings = rPduData[5].GetSequence();
- PINDEX bindingCount = rBindings.GetSize();
- // create the return list
- for (PINDEX i = 0; i < bindingCount; i++) {
- if (rBindings[i].GetType() != PASNObject::Sequence)
- return TRUE;
- const PASNSequence & rVar = rBindings[i].GetSequence();
- if (rVar.GetSize() != 2 ||
- rVar[0].GetType() != PASNObject::ObjectID)
- return TRUE;
- varsOut.Append(rVar[0].GetString(), (PASNObject *)rVar[1].Clone());
- }
- return TRUE;
- }
- // End Of File ///////////////////////////////////////////////////////////////