private byte[] ReceiveSliceResponse(ArrayDesc desc)
{
try
{
int operation = _database.ReadOperation();
if (operation == IscCodes.op_slice)
{
// Read slice length
bool isVariying = false;
int elements = 0;
int length = _database.ReadInt32();
length = _database.ReadInt32();
switch (desc.DataType)
{
case IscCodes.blr_text:
case IscCodes.blr_text2:
case IscCodes.blr_cstring:
case IscCodes.blr_cstring2:
elements = length / desc.Length;
length += elements * ((4 - desc.Length) & 3);
break;
case IscCodes.blr_varying:
case IscCodes.blr_varying2:
elements = length / desc.Length;
isVariying = true;
break;
case IscCodes.blr_short:
length = length * desc.Length;
break;
}
if (isVariying)
{
XdrStream xdr = new XdrStream();
for (int i = 0; i < elements; i++)
{
byte[] buffer = _database.ReadOpaque(_database.ReadInt32());
xdr.WriteBuffer(buffer, buffer.Length);
}
return(xdr.ToArray());
}
else
{
return(_database.ReadOpaque(length));
}
}
else
{
_database.SetOperation(operation);
_database.ReadResponse();
return(null);
}
}
catch (IOException)
{
throw new IscException(IscCodes.isc_net_read_err);
}
}