public CommAreaGroupDescriptor(
DrdaStreamReader reader)
{
if (reader.ReadUInt8() == 0xFF)
{
return;
}
SqlCode = reader.ReadUInt32();
SqlState = reader.ReadString(5);
var sqlErrProc = reader.ReadString(8);
if (reader.ReadUInt8() != 0xFF)
{
RowsFetched = reader.ReadUInt64();
RowsUpdated = reader.ReadUInt32();
var sqlErrs = reader.ReadBytes(12); // 3 * sizeof(UInt32)
var sqlWarn = reader.ReadBytes(11); // 11 * sizeof(Byte)
var rdbName = reader.ReadUInt16();
SqlMessage = reader.ReadVcmVcs();
}
if (reader.ReadUInt8() != 0xFF)
{
// WORKWORK
}
}
public static String ReadVarString(
this DrdaStreamReader reader)
{
var size = reader.ReadUInt16();
var bytes = reader.ReadBytes(size);
return(Encoding.UTF8.GetString(bytes));
}
private static String ReadVarString(
this DrdaStreamReader reader,
Byte hiByte)
{
var size = (hiByte << 8) | reader.ReadUInt8();
var bytes = reader.ReadBytes((UInt32)size);
return(Encoding.UTF8.GetString(bytes));
}
public BytesParameter(
DrdaStreamReader reader,
UInt32 byteArraySize,
CodePoint codePoint)
: this(
codePoint,
reader.ReadBytes(
byteArraySize - BaseSize))
{
}
internal void Process(
QueryContext context)
{
using var stream = new MemoryStream(_messageBytes, false);
var reader = new DrdaStreamReader(stream);
while (stream.Position < stream.Length)
{
var length = reader.ReadUInt8();
var type = reader.ReadUInt8();
var id = reader.ReadUInt8();
// TODO: olegra - store full parsing tree here later
if (id != 0xD0)
{
reader.ReadBytes((UInt32)length - 3);
continue;
}
var triples = new Triple[length / 3 - 1];
for (var index = 0; index < triples.Length; ++index)
{
switch (type)
{
case 117: // GDA
case 118: // NGDA
triples[index] = new Triple(
reader.ReadUInt8(),
reader.ReadUInt16());
break;
case 113: // RLO
// TODO: olegra - skip for now
reader.ReadUInt8();
reader.ReadUInt16();
break;
}
}
for (var index = 0; index < triples.Length; ++index)
{
context.Columns[index].TripletType = triples[index].Type;
context.Columns[index].TripletDataSize = triples[index].Size;
}
}
}
