/// <summary>
/// Get a list of valid offsets (up to maxSize) before the given time.
/// </summary>
/// <param name="request">The offset request.</param>
/// <returns>List of offsets, in descending order.</returns>
public IList <long> GetOffsetsBefore(OffsetRequest request)
{
List <long> offsets = new List <long>();
using (KafkaConnection connection = new KafkaConnection(Server, Port))
{
connection.Write(request.GetBytes());
int dataLength = BitConverter.ToInt32(BitWorks.ReverseBytes(connection.Read(4)), 0);
if (dataLength > 0)
{
byte[] data = connection.Read(dataLength);
// TODO: need to check in on kafka error codes...assume all's good for now
byte[] unbufferedData = data.Skip(2).ToArray();
// first four bytes are the number of offsets
int numOfOffsets = BitConverter.ToInt32(BitWorks.ReverseBytes(unbufferedData.Take(4).ToArray <byte>()), 0);
int position = 0;
for (int ix = 0; ix < numOfOffsets; ix++)
{
position = (ix * 8) + 4;
offsets.Add(BitConverter.ToInt64(BitWorks.ReverseBytes(unbufferedData.Skip(position).Take(8).ToArray <byte>()), 0));
}
}
}
return(offsets);
}
/// <summary>
/// Get a list of valid offsets (up to maxSize) before the given time.
/// </summary>
/// <param name="request">The offset request.</param>
/// <returns>List of offsets, in descending order.</returns>
public IList <long> GetOffsetsBefore(OffsetRequest request)
{
List <long> offsets = new List <long>();
using (KafkaConnection connection = new KafkaConnection(Server, Port))
{
connection.Write(request.GetBytes());
int dataLength = BitConverter.ToInt32(BitWorks.ReverseBytes(connection.Read(4)), 0);
if (dataLength > 0)
{
byte[] data = connection.Read(dataLength);
int errorCode = BitConverter.ToInt16(BitWorks.ReverseBytes(data.Take(2).ToArray <byte>()), 0);
if (errorCode != KafkaException.NoError)
{
throw new KafkaException(errorCode);
}
// skip the error code and process the rest
byte[] unbufferedData = data.Skip(2).ToArray();
// first four bytes are the number of offsets
int numOfOffsets = BitConverter.ToInt32(BitWorks.ReverseBytes(unbufferedData.Take(4).ToArray <byte>()), 0);
int position = 0;
for (int ix = 0; ix < numOfOffsets; ix++)
{
position = (ix * 8) + 4;
offsets.Add(BitConverter.ToInt64(BitWorks.ReverseBytes(unbufferedData.Skip(position).Take(8).ToArray <byte>()), 0));
}
}
}
return(offsets);
}
/// <summary>
/// Get a list of valid offsets (up to maxSize) before the given time.
/// </summary>
/// <param name="request">The offset request.</param>
/// <returns>List of offsets, in descending order.</returns>
public IList<long> GetOffsetsBefore(OffsetRequest request)
{
List<long> offsets = new List<long>();
using (KafkaConnection connection = new KafkaConnection(Server, Port))
{
connection.Write(request.GetBytes());
int dataLength = BitConverter.ToInt32(BitWorks.ReverseBytes(connection.Read(4)), 0);
if (dataLength > 0)
{
byte[] data = connection.Read(dataLength);
// TODO: need to check in on kafka error codes...assume all's good for now
byte[] unbufferedData = data.Skip(2).ToArray();
// first four bytes are the number of offsets
int numOfOffsets = BitConverter.ToInt32(BitWorks.ReverseBytes(unbufferedData.Take(4).ToArray<byte>()), 0);
int position = 0;
for (int ix = 0; ix < numOfOffsets; ix++)
{
position = (ix * 8) + 4;
offsets.Add(BitConverter.ToInt64(BitWorks.ReverseBytes(unbufferedData.Skip(position).Take(8).ToArray<byte>()), 0));
}
}
}
return offsets;
}