/// <summary>
/// Builds the study tree and publishes all the created studies to the specified application entity.
/// </summary>
/// <remarks>
/// <para>The <see cref="BuildTree"/> method is called automatically, and hence does not need to be explicitly called before invoking this method.</para>
/// </remarks>
/// <param name="localAE">The local AETITLE that is sending the studies.</param>
/// <param name="remoteAE">The AETITLE of the device that is receiving the studies.</param>
/// <param name="remoteHost">The hostname of the device that is receiving the studies.</param>
/// <param name="remotePort">The port number on which the device receiving the studies is listening.</param>
/// <returns>A list of the SOP instance UIDs that were created.</returns>
public IList<string> Publish(string localAE, string remoteAE, string remoteHost, int remotePort)
{
List<SopInstanceNode> sops;
try
{
sops = DoBuildTree();
}
catch (Exception ex)
{
throw new StudyBuilderException("Unexpected StudyBuilder error", ex);
}
List<string> uids = new List<string>(sops.Count);
try
{
StorageScu scu = new StorageScu(localAE, remoteAE, remoteHost, remotePort);
// queue each instance into scu
foreach (SopInstanceNode sop in sops)
{
StorageInstance sInst = new StorageInstance(sop.DicomFile);
scu.AddStorageInstance(sInst);
uids.Add(sop.InstanceUid);
}
// begin asynch send operation
scu.Send();
}
catch (Exception ex)
{
throw new StudyBuilderException("Storage SCU error", ex);
}
return uids.AsReadOnly();
}
/// <summary>
/// Adds the specified storage instanceto <see cref="StorageInstanceList"/>.
/// </summary>
/// <param name="storageInstance">The storage instance.</param>
public void AddStorageInstance(StorageInstance storageInstance)
{
StorageInstanceList.Add(storageInstance);
}
private void LogError(StorageInstance instance, DicomMessage msg, DicomStatus dicomStatus)
{
if (dicomStatus == DicomStatuses.SOPClassNotSupported)
{
var log = new StringBuilder();
log.AppendLine(string.Format("Unable to transfer SOP {0} in study {1}. Remote device does not accept {2} in {3} transfer syntax",
instance.SopInstanceUid, instance.StudyInstanceUid, msg.SopClass, msg.TransferSyntax));
if (instance.TransferSyntax.Encapsulated)
{
var codecExists = DicomCodecRegistry.GetCodec(instance.TransferSyntax) != null;
log.AppendLine(codecExists
? string.Format("Note: codec is available for {0} but remote device does not support it?", instance.TransferSyntax)
: string.Format("Note: codec is NOT available for {0}", instance.TransferSyntax));
}
Platform.Log(LogLevel.Error, log.ToString());
}
}
private void SendOnPresentationContext(DicomClient client, ClientAssociationParameters association, byte pcid, StorageInstance fileToSend, DicomMessage msg)
{
var presContext = association.GetPresentationContext(pcid);
if (msg.TransferSyntax.Encapsulated
&& presContext.AcceptedTransferSyntax.Encapsulated
&& !msg.TransferSyntax.Equals(presContext.AcceptedTransferSyntax))
{
// Compressed in different syntaxes, decompress here first, ChangeTransferSyntax does not convert syntaxes properly in this case.
msg.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian);
}
fileToSend.SentMessageId = client.NextMessageID();
if (_moveOriginatorAe == null)
client.SendCStoreRequest(pcid, fileToSend.SentMessageId, DicomPriority.Medium, msg);
else
client.SendCStoreRequest(pcid, fileToSend.SentMessageId, DicomPriority.Medium, _moveOriginatorAe,
_moveOriginatorMessageId, msg);
}
private byte SelectPresentationContext(ClientAssociationParameters association, StorageInstance fileToSend, DicomFile dicomFile, out DicomMessage msg)
{
byte pcid = 0;
if (PresentationContextSelectionDelegate != null)
{
// Note, this may do a conversion of the file according to codecs, need to catch a codec exception if it occurs
pcid = PresentationContextSelectionDelegate(association, dicomFile, out msg);
}
else
{
msg = new DicomMessage(dicomFile);
if (fileToSend.TransferSyntax.Encapsulated)
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(msg.SopClass,
msg.TransferSyntax);
if (DicomCodecRegistry.GetCodec(fileToSend.TransferSyntax) != null)
{
// We can compress/decompress the file. Check if remote device accepts it
if (pcid == 0)
pcid = SelectUncompressedPresentationContext(association, msg);
}
}
else
{
if (pcid == 0)
pcid = SelectUncompressedPresentationContext(association, msg);
}
}
return pcid;
}
/// <summary>
/// Is called when an image store is started.
/// </summary>
/// <param name="storageInstance">The storage instance.</param>
protected virtual void OnImageStoreStarted(StorageInstance storageInstance)
{
EventHandler<StorageInstance> tempHandler = ImageStoreStarted;
if (tempHandler != null)
tempHandler(this, storageInstance);
}
