public static List<PDataTF> GetPDataTFs(AbstractDIMSEBase dimse, PresentationContext pContext, int maxPDULength = 16384)
{
var list = new List<PDataTF>();
var commandEls = dimse.Elements;
list.Add(new PDataTF(new DICOMObject(dimse.Elements), true, true, pContext));
var dataDIMSE = dimse as AbstractDIMSE;
if (dataDIMSE != null && dataDIMSE.Data != null)
{
List<byte[]> chunks = GetChunks(dataDIMSE.Data, maxPDULength, pContext);
chunks
.Select((c, i) => new PDataTF(c, i == chunks.Count - 1, false, pContext))
.ToList()
.ForEach(list.Add);
}
return list;
}
public static List<PDataTF> GetPDataTFs(AbstractDIMSEBase dimse, Association asc, PresentationContext pContext = null)
{
pContext = pContext ?? asc.PresentationContexts.First(a => a.AbstractSyntax == dimse.AffectedSOPClassUID);
var list = new List<PDataTF>();
var commandEls = dimse.Elements;
list.Add(new PDataTF(new DICOMObject(dimse.Elements), true, true, pContext));
var dataDIMSE = dimse as AbstractDIMSE;
if (dataDIMSE != null && dataDIMSE.Data != null)
{
List<byte[]> chunks = GetChunks(dataDIMSE.Data, asc.UserInfo.MaxPDULength, asc);
chunks
.Select(
(c, i) =>
new PDataTF(c, i == chunks.Count - 1, false,
asc.PresentationContexts.First(a => a.AbstractSyntax == dimse.AffectedSOPClassUID)))
.ToList()
.ForEach(list.Add);
}
return list;
}
public static void Send(AbstractDIMSEBase dimse, Association asc, PresentationContext pContext = null)
{
if (asc.State != NetworkState.TRANSPORT_CONNECTION_OPEN)
{
asc.OutboundMessages.Enqueue(dimse);
AssociationMessenger.SendRequest(asc, dimse.AffectedSOPClassUID);
}
else
{
asc.Logger.Log("--> DIMSE" + dimse.GetLogString());
dimse.LogData(asc);
var stream = asc.Stream;
List<PDataTF> pds = GetPDataTFs(dimse, asc, pContext);
if (pds.Count > 0 && stream.CanWrite)
{
foreach (PDataTF pd in pds)
{
byte[] message = pd.Write();
stream.Write(message, 0, message.Length);
}
}
}
}
