/// <summary>
/// Create BATCHED_OFFER_MESSAGE package.
/// </summary>
/// <param name="connectionInfoPort">
/// A 16-bit unsigned integer that MUST be set by the client to the port
/// on which it is listening as a server-role peer, for use with the retrieval protocol.
/// </param>
/// <param name="contentInfo">A Content Information V2 data structure.</param>
/// <returns>Return the BATCHED_OFFER_MESSAGE.</returns>
public BATCHED_OFFER_MESSAGE CreateBatchedOfferMessage(
int connectionInfoPort,
Content_Information_Data_Structure_V2 contentInfo)
{
MESSAGE_HEADER messageHeader;
messageHeader.MajorVersion = 2;
messageHeader.MinorVersion = 0;
messageHeader.MsgType = PCHC_MESSAGE_TYPE.BATCHED_OFFER_MESSAGE;
messageHeader.Padding = new byte[4];
CONNECTION_INFORMATION connectionInfo;
connectionInfo.Padding = new byte[6];
connectionInfo.Port = (ushort)connectionInfoPort;
BATCHED_OFFER_MESSAGE batchedOfferMessage;
batchedOfferMessage.MessageHeader = messageHeader;
batchedOfferMessage.ConnectionInfo = connectionInfo;
List <SegmentDescriptor> segmentDescriptors = new List <SegmentDescriptor>();
for (int i = 0; i < contentInfo.chunks.Length; i++)
{
var chunk = contentInfo.chunks[i];
for (int j = 0; j < chunk.chunkData.Length; j++)
{
var segment = chunk.chunkData[j];
SegmentDescriptor segmentDescriptor = new SegmentDescriptor();
segmentDescriptor.BlockSize = segment.cbSegment;
segmentDescriptor.SegmentSize = segment.cbSegment;
segmentDescriptor.SizeOfContentTag = 16;
segmentDescriptor.ContentTag = new byte[16];
segmentDescriptor.HashAlgorithm = (byte)contentInfo.dwHashAlgo;
segmentDescriptor.SegmentHoHoDk = contentInfo.GetSegmentId(i, j);
segmentDescriptors.Add(segmentDescriptor);
}
}
batchedOfferMessage.SegmentDescriptors = segmentDescriptors.ToArray();
return(batchedOfferMessage);
}
/// <summary>
/// Create BATCHED_OFFER_MESSAGE package.
/// </summary>
/// <param name="connectionInfoPort">
/// A 16-bit unsigned integer that MUST be set by the client to the port
/// on which it is listening as a server-role peer, for use with the retrieval protocol.
/// </param>
/// <param name="contentInfo">A Content Information V2 data structure.</param>
/// <returns>Return the BATCHED_OFFER_MESSAGE.</returns>
public BATCHED_OFFER_MESSAGE CreateBatchedOfferMessage(
int connectionInfoPort,
Content_Information_Data_Structure_V2 contentInfo)
{
MESSAGE_HEADER messageHeader;
messageHeader.MajorVersion = 2;
messageHeader.MinorVersion = 0;
messageHeader.MsgType = PCHC_MESSAGE_TYPE.BATCHED_OFFER_MESSAGE;
messageHeader.Padding = new byte[4];
CONNECTION_INFORMATION connectionInfo;
connectionInfo.Padding = new byte[6];
connectionInfo.Port = (ushort)connectionInfoPort;
BATCHED_OFFER_MESSAGE batchedOfferMessage;
batchedOfferMessage.MessageHeader = messageHeader;
batchedOfferMessage.ConnectionInfo = connectionInfo;
List<SegmentDescriptor> segmentDescriptors = new List<SegmentDescriptor>();
for (int i = 0; i < contentInfo.chunks.Length; i++)
{
var chunk = contentInfo.chunks[i];
for (int j = 0; j < chunk.chunkData.Length; j++)
{
var segment = chunk.chunkData[j];
SegmentDescriptor segmentDescriptor = new SegmentDescriptor();
segmentDescriptor.BlockSize = segment.cbSegment;
segmentDescriptor.SegmentSize = segment.cbSegment;
segmentDescriptor.SizeOfContentTag = 16;
segmentDescriptor.ContentTag = new byte[16];
segmentDescriptor.HashAlgorithm = (byte)contentInfo.dwHashAlgo;
segmentDescriptor.SegmentHoHoDk = contentInfo.GetSegmentId(i, j);
segmentDescriptors.Add(segmentDescriptor);
}
}
batchedOfferMessage.SegmentDescriptors = segmentDescriptors.ToArray();
return batchedOfferMessage;
}
