public void TestOidComparisons()
{
var lower = new Oid("4a7067c30a57000000008ecb");
var higher = new Oid("5a7067c30a57000000008ecb");
Assert.AreEqual(1, lower.CompareTo(null));
Assert.AreEqual(1, higher.CompareTo(lower));
Assert.IsTrue(lower < higher);
Assert.IsTrue(higher > lower);
}
// Processes the next response to GET NEXT/GET BULK request. Map 'rows'
// contains already received rows (possibly only partially filled with
// variable bindings). The method returns new OIDs which are to be used
// in the subsequent requests. If this is the last response, this array
// will be empty. Note that 'columnOids' is also modified and nulls are
// set for columns that have been finished.
private static Oid[] ProcessResponse(
Oid[] columnOids, Vb[] vbs, Oid endRowIndex, Hashtable rows)
{
int nNonNulls = GetNonNullCount(columnOids);
Oid[] oids = new Oid[columnOids.Length];
Oid rowIndex = null;
Vb[] row = null;
for (int i = 0, o = 0;
i < vbs.Length && nNonNulls > 0;
i++, o = ++o % columnOids.Length)
{
while (columnOids[o] == null)
{
o = ++o % columnOids.Length;
}
Oid columnOid = columnOids[o];
Vb vb = vbs[i];
Oid oid = vb.Oid;
SnmpSyntax val = vb.Value;
// Check whether this Vb should be included in the results
// and whether this column has been finished. 'val' should
// never be NULL but some faulty agents send NULLs.
bool endOfColumn
= !oid.StartsWith(columnOid) ||
(val != null && val.SmiSyntax == SmiSyntax.EndOfMibView);
bool includeVb = !endOfColumn;
Oid rowIdx = null;
if (!endOfColumn)
{
rowIdx = oid.TrimLeft(columnOid.Length);
if (endRowIndex != null)
{
int res = rowIdx.CompareTo(endRowIndex);
endOfColumn = res >= 0;
includeVb = res <= 0;
}
}
// if a valid value has been returned, store it in the hash
// table and store its OID for a subsequent request
if (includeVb)
{
oids[o] = oid;
if (rowIndex == null || !rowIdx.Equals(rowIndex))
{
rowIndex = rowIdx;
row = (Vb[])rows[rowIndex];
if (row == null)
{
row = new Vb[columnOids.Length];
rows.Add(rowIndex, row);
}
}
row[o] = vb;
}
// if the column has been finished, remove it from further
// processing
if (endOfColumn)
{
if (val != null && val.SmiSyntax == SmiSyntax.EndOfMibView)
{
columnOids[o] = null;
nNonNulls--;
}
oids[o] = null;
}
}
// set finished columns of 'columnOids' to null
// and remove nulls from 'oids'
int noids = 0;
for (int i = 0; i < oids.Length; i++)
{
if (oids[i] == null)
{
columnOids[i] = null;
}
else
{
oids[noids++] = oids[i];
}
}
// shrink 'oids', if necessary
if (noids < oids.Length)
{
Oid[] o = new Oid[noids];
Array.Copy(oids, 0, o, 0, noids);
oids = o;
}
return(oids);
}
public void TestOidComparisons()
{
var lower = new Oid("4a7067c30a57000000008ecb");
var higher = new Oid("5a7067c30a57000000008ecb");
Assert.AreEqual(1, lower.CompareTo(null));
Assert.AreEqual(1, higher.CompareTo(lower));
Assert.IsTrue(lower < higher);
Assert.IsTrue(higher > lower);
}