447 lines
11 KiB
C
447 lines
11 KiB
C
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/*++
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Copyright (c) 1992-1996 Microsoft Corporation
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Module Name:
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odom_tbl.c
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Abstract:
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Routines supporting operations on the Other Domain Table.
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Environment:
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User Mode - Win32
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Revision History:
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10-May-1996 DonRyan
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Removed banner from Technology Dynamics, Inc.
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--*/
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//--------------------------- WINDOWS DEPENDENCIES --------------------------
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//--------------------------- STANDARD DEPENDENCIES -- #include<xxxxx.h> ----
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#include <stdio.h>
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#include <memory.h>
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//--------------------------- MODULE DEPENDENCIES -- #include"xxxxx.h" ------
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#include <snmp.h>
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#include <snmputil.h>
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#include "mibfuncs.h"
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//--------------------------- SELF-DEPENDENCY -- ONE #include"module.h" -----
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#include "odom_tbl.h"
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//--------------------------- PUBLIC VARIABLES --(same as in module.h file)--
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// Prefix to the Other Domain table
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static UINT odomSubids[] = { 4, 4, 1 };
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static AsnObjectIdentifier MIB_DomOtherDomainPrefix = { 3, odomSubids };
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DOM_OTHER_TABLE MIB_DomOtherDomainTable = { 0, NULL };
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//--------------------------- PRIVATE CONSTANTS -----------------------------
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#define ODOM_FIELD_SUBID (MIB_DomOtherDomainPrefix.idLength + \
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MIB_OidPrefix.idLength)
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#define ODOM_FIRST_FIELD ODOM_NAME_FIELD
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#define ODOM_LAST_FIELD ODOM_NAME_FIELD
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//--------------------------- PRIVATE STRUCTS -------------------------------
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//--------------------------- PRIVATE VARIABLES -----------------------------
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//--------------------------- PRIVATE PROTOTYPES ----------------------------
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UINT MIB_odoms_get(
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IN OUT RFC1157VarBind *VarBind
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);
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UINT MIB_odoms_copyfromtable(
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IN UINT Entry,
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IN UINT Field,
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OUT RFC1157VarBind *VarBind
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);
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//--------------------------- PRIVATE PROCEDURES ----------------------------
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//--------------------------- PUBLIC PROCEDURES -----------------------------
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//
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// MIB_odoms_func
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// High level routine for handling operations on the Other Domain table
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//
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// Notes:
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//
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// Return Codes:
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// None.
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//
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// Error Codes:
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// None.
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//
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UINT MIB_odoms_func(
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IN UINT Action,
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IN MIB_ENTRY *MibPtr,
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IN OUT RFC1157VarBind *VarBind
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)
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{
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int Found;
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UINT Entry;
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UINT Field;
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UINT ErrStat;
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switch ( Action )
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{
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case MIB_ACTION_GETFIRST:
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// Fill the Other Domain table with the info from server
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if ( SNMPAPI_ERROR == MIB_odoms_lmget() )
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{
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ErrStat = SNMP_ERRORSTATUS_GENERR;
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goto Exit;
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}
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// If no elements in table, then return next MIB var, if one
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if ( MIB_DomOtherDomainTable.Len == 0 )
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{
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if ( MibPtr->MibNext == NULL )
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{
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ErrStat = SNMP_ERRORSTATUS_NOSUCHNAME;
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goto Exit;
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}
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// Do get first on the next MIB var
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ErrStat = (*MibPtr->MibNext->MibFunc)( Action, MibPtr->MibNext,
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VarBind );
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break;
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}
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//
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// Place correct OID in VarBind
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// Assuming the first field in the first record is the "start"
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{
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UINT temp_subs[] = { ODOM_FIRST_FIELD };
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AsnObjectIdentifier FieldOid = { 1, temp_subs };
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SnmpUtilOidFree( &VarBind->name );
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SnmpUtilOidCpy( &VarBind->name, &MIB_OidPrefix );
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SnmpUtilOidAppend( &VarBind->name, &MIB_DomOtherDomainPrefix );
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SnmpUtilOidAppend( &VarBind->name, &FieldOid );
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SnmpUtilOidAppend( &VarBind->name, &MIB_DomOtherDomainTable.Table[0].Oid );
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}
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//
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// Let fall through on purpose
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//
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case MIB_ACTION_GET:
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ErrStat = MIB_odoms_get( VarBind );
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break;
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case MIB_ACTION_GETNEXT:
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// Fill the Other Domain Table with the info from server
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if ( SNMPAPI_ERROR == MIB_odoms_lmget() )
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{
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ErrStat = SNMP_ERRORSTATUS_GENERR;
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goto Exit;
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}
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// Determine which field
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Field = VarBind->name.ids[ODOM_FIELD_SUBID];
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// Lookup OID in table
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if (Field < ODOM_FIRST_FIELD)
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{
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Entry = 0; // will take the first entry into the table
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Field = ODOM_FIRST_FIELD; // and the first column of the table
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Found = MIB_TBL_POS_BEFORE;
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}
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else if (Field > ODOM_LAST_FIELD)
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Found = MIB_TBL_POS_END;
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else
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Found = MIB_odoms_match( &VarBind->name, &Entry );
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// Index not found, but could be more fields to base GET on
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if ((Found == MIB_TBL_POS_BEFORE && MIB_DomOtherDomainTable.Len == 0) ||
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Found == MIB_TBL_POS_END )
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{
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// Index not found in table, get next from field
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// Field ++;
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// Make sure not past last field
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// if ( Field > ODOM_LAST_FIELD )
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// {
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// Get next VAR in MIB
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ErrStat = (*MibPtr->MibNext->MibFunc)( MIB_ACTION_GETFIRST,
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MibPtr->MibNext,
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VarBind );
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break;
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// }
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}
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// Get next TABLE entry
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if ( Found == MIB_TBL_POS_FOUND )
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{
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Entry ++;
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if ( Entry > MIB_DomOtherDomainTable.Len-1 )
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{
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Entry = 0;
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Field ++;
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if ( Field > ODOM_LAST_FIELD )
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{
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// Get next VAR in MIB
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ErrStat = (*MibPtr->MibNext->MibFunc)( MIB_ACTION_GETFIRST,
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MibPtr->MibNext,
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VarBind );
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break;
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}
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}
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}
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//
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// Place correct OID in VarBind
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// Assuming the first field in the first record is the "start"
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{
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UINT temp_subs[1];
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AsnObjectIdentifier FieldOid;
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temp_subs[0] = Field;
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FieldOid.idLength = 1;
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FieldOid.ids = temp_subs;
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SnmpUtilOidFree( &VarBind->name );
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SnmpUtilOidCpy( &VarBind->name, &MIB_OidPrefix );
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SnmpUtilOidAppend( &VarBind->name, &MIB_DomOtherDomainPrefix );
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SnmpUtilOidAppend( &VarBind->name, &FieldOid );
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SnmpUtilOidAppend( &VarBind->name, &MIB_DomOtherDomainTable.Table[Entry].Oid );
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}
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ErrStat = MIB_odoms_copyfromtable( Entry, Field, VarBind );
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break;
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case MIB_ACTION_SET:
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// Make sure OID is long enough
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if ( ODOM_FIELD_SUBID + 1 > VarBind->name.idLength )
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{
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ErrStat = SNMP_ERRORSTATUS_NOSUCHNAME;
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goto Exit;
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}
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// Get field number
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Field = VarBind->name.ids[ODOM_FIELD_SUBID];
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// If the field being set is not the NAME field, error
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if ( Field != ODOM_NAME_FIELD )
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{
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ErrStat = SNMP_ERRORSTATUS_NOSUCHNAME;
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goto Exit;
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}
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// Check for proper type before setting
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if ( ASN_RFC1213_DISPSTRING != VarBind->value.asnType )
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{
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ErrStat = SNMP_ERRORSTATUS_BADVALUE;
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goto Exit;
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}
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// Call LM set routine
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ErrStat = MIB_odoms_lmset( &VarBind->name, Field, &VarBind->value );
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break;
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default:
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ErrStat = SNMP_ERRORSTATUS_GENERR;
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}
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Exit:
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return ErrStat;
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} // MIB_odoms_func
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//
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// MIB_odoms_get
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// Retrieve Other Domain Table information.
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//
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// Notes:
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//
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// Return Codes:
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// None.
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//
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// Error Codes:
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// None.
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//
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UINT MIB_odoms_get(
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IN OUT RFC1157VarBind *VarBind
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)
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{
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UINT Entry;
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int Found;
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UINT ErrStat;
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if (VarBind->name.ids[ODOM_FIELD_SUBID] < ODOM_FIRST_FIELD ||
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VarBind->name.ids[ODOM_FIELD_SUBID] > ODOM_LAST_FIELD)
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{
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ErrStat = SNMP_ERRORSTATUS_NOSUCHNAME;
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goto Exit;
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}
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// Fill the Other Domain Table with the info from server
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if ( SNMPAPI_ERROR == MIB_odoms_lmget() )
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{
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ErrStat = SNMP_ERRORSTATUS_GENERR;
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goto Exit;
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}
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Found = MIB_odoms_match( &VarBind->name, &Entry );
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// Look for a complete OID match
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if ( Found != MIB_TBL_POS_FOUND )
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{
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ErrStat = SNMP_ERRORSTATUS_NOSUCHNAME;
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goto Exit;
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}
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// Copy data from table
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ErrStat = MIB_odoms_copyfromtable( Entry,
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VarBind->name.ids[ODOM_FIELD_SUBID],
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VarBind );
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Exit:
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return ErrStat;
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} // MIB_odoms_get
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//
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// MIB_odoms_match
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// Match the target OID with a location in the Other Domain Table
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//
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// Notes:
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//
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// Return Codes:
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// None.
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//
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// Error Codes:
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// None
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//
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int MIB_odoms_match(
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IN AsnObjectIdentifier *Oid,
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OUT UINT *Pos
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)
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{
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AsnObjectIdentifier TempOid;
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int nResult;
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// Remove prefix including field reference
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TempOid.idLength = Oid->idLength - MIB_OidPrefix.idLength -
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MIB_DomOtherDomainPrefix.idLength - 1;
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TempOid.ids = &Oid->ids[MIB_OidPrefix.idLength+MIB_DomOtherDomainPrefix.idLength+1];
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*Pos = 0;
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while ( *Pos < MIB_DomOtherDomainTable.Len )
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{
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nResult = SnmpUtilOidCmp( &TempOid, &MIB_DomOtherDomainTable.Table[*Pos].Oid );
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if ( !nResult )
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{
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nResult = MIB_TBL_POS_FOUND;
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goto Exit;
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}
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if ( nResult < 0 )
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{
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nResult = MIB_TBL_POS_BEFORE;
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goto Exit;
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}
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(*Pos)++;
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}
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nResult = MIB_TBL_POS_END;
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Exit:
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return nResult;
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}
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//
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// MIB_odoms_copyfromtable
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// Copy requested data from table structure into Var Bind.
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//
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// Notes:
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//
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// Return Codes:
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// None.
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//
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// Error Codes:
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// None.
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//
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UINT MIB_odoms_copyfromtable(
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IN UINT Entry,
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IN UINT Field,
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OUT RFC1157VarBind *VarBind
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)
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{
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UINT ErrStat;
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// Get the requested field and save in var bind
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switch( Field )
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{
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case ODOM_NAME_FIELD:
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// Alloc space for string
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VarBind->value.asnValue.string.stream = SnmpUtilMemAlloc( sizeof(char)
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* MIB_DomOtherDomainTable.Table[Entry].domOtherName.length );
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if ( VarBind->value.asnValue.string.stream == NULL )
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{
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ErrStat = SNMP_ERRORSTATUS_GENERR;
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goto Exit;
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}
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||
|
|
// Copy string into return position
|
||
|
|
memcpy( VarBind->value.asnValue.string.stream,
|
||
|
|
MIB_DomOtherDomainTable.Table[Entry].domOtherName.stream,
|
||
|
|
MIB_DomOtherDomainTable.Table[Entry].domOtherName.length );
|
||
|
|
|
||
|
|
// Set string length
|
||
|
|
VarBind->value.asnValue.string.length =
|
||
|
|
MIB_DomOtherDomainTable.Table[Entry].domOtherName.length;
|
||
|
|
VarBind->value.asnValue.string.dynamic = TRUE;
|
||
|
|
|
||
|
|
// Set type of var bind
|
||
|
|
VarBind->value.asnType = ASN_RFC1213_DISPSTRING;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
SNMPDBG(( SNMP_LOG_TRACE, "LMMIB2: Internal Error Other Domain Table\n" ));
|
||
|
|
ErrStat = SNMP_ERRORSTATUS_GENERR;
|
||
|
|
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
ErrStat = SNMP_ERRORSTATUS_NOERROR;
|
||
|
|
|
||
|
|
Exit:
|
||
|
|
return ErrStat;
|
||
|
|
} // MIB_odoms_copyfromtable
|
||
|
|
|
||
|
|
//-------------------------------- END --------------------------------------
|