public async Task DicomClientSend_ToRejectedAssociation_ShouldNotSendRequest()
{
var port = Ports.GetNext();
using (DicomServer.Create <DicomClientTest.MockCEchoProvider>(port))
{
var locker = new object();
DicomStatus status = null;
var client = new Dicom.Network.Client.DicomClient("localhost", port, false, "SCU", "WRONG-SCP");
await client.AddRequestAsync(
new DicomCEchoRequest
{
OnResponseReceived = (rq, rsp) =>
{
lock (locker) status = rsp.Status;
}
}).ConfigureAwait(false);
try
{
await client.SendAsync().ConfigureAwait(false);
}
catch
{
}
Assert.Null(status);
}
}
public async Task DicomClientSend_ToAcceptedAssociation_ShouldSendRequest()
{
var port = Ports.GetNext();
using (DicomServer.Create <DicomClientTest.MockCEchoProvider>(port))
{
var locker = new object();
var expected = DicomStatus.Success;
DicomStatus actual = null;
var client = new Dicom.Network.Client.DicomClient("localhost", port, false, "SCU", "ANY-SCP");
await client.AddRequestAsync(
new DicomCEchoRequest
{
OnResponseReceived = (rq, rsp) =>
{
lock (locker) actual = rsp.Status;
}
}).ConfigureAwait(false);
await client.SendAsync().ConfigureAwait(false);
Assert.Equal(expected, actual);
}
}
public async Task OnCFindRequestAsync_Pending_ShouldRespond()
{
var port = Ports.GetNext();
using (DicomServer.Create <PendingAsyncDicomCFindProvider>(port, logger: _logger.IncludePrefix("DicomServer")))
{
var client = new Client.DicomClient("127.0.0.1", port, false, "SCU", "ANY-SCP")
{
Logger = _logger.IncludePrefix(typeof(DicomClient).Name)
};
var responses = new ConcurrentQueue <DicomCFindResponse>();
DicomRequest.OnTimeoutEventArgs timeout = null;
var request = new DicomCFindRequest(DicomQueryRetrieveLevel.Study)
{
OnResponseReceived = (req, res) => responses.Enqueue(res),
OnTimeout = (sender, args) => timeout = args
};
await client.AddRequestAsync(request).ConfigureAwait(false);
await client.SendAsync().ConfigureAwait(false);
Assert.Collection(
responses,
response1 => Assert.Equal(DicomStatus.Pending, response1.Status),
response2 => Assert.Equal(DicomStatus.Pending, response2.Status),
response3 => Assert.Equal(DicomStatus.Success, response3.Status)
);
Assert.Null(timeout);
}
}
public async Task OnCFindRequestAsync_ImmediateSuccess_ShouldRespond()
{
var port = Ports.GetNext();
using (DicomServer.Create <ImmediateSuccessAsyncDicomCFindProvider>(port, logger: _logger.IncludePrefix("DicomServer")))
{
var client = new Client.DicomClient("127.0.0.1", port, false, "SCU", "ANY-SCP")
{
Logger = _logger.IncludePrefix(typeof(DicomClient).Name)
};
DicomCFindResponse response = null;
DicomRequest.OnTimeoutEventArgs timeout = null;
var request = new DicomCFindRequest(DicomQueryRetrieveLevel.Study)
{
OnResponseReceived = (req, res) => response = res,
OnTimeout = (sender, args) => timeout = args
};
await client.AddRequestAsync(request).ConfigureAwait(false);
await client.SendAsync().ConfigureAwait(false);
Assert.NotNull(response);
Assert.Equal(DicomStatus.Success, response.Status);
Assert.Null(timeout);
}
}
public async Task OnCStoreRequestAsync_PreferedTransfersyntax()
{
var port = Ports.GetNext();
using (DicomServer.Create <AsyncDicomCStoreProviderPreferingUncompressedTS>(port, logger: _logger.IncludePrefix("DicomServer")))
{
var client = new Client.DicomClient("127.0.0.1", port, false, "SCU", "ANY-SCP")
{
Logger = _logger.IncludePrefix(typeof(DicomClient).Name)
};
int numberOfContexts = 0;
DicomTransferSyntax accpetedTS = null;
// create a request with a jpeg-encoded file
var request = new DicomCStoreRequest(@"./Test Data/CT1_J2KI");
client.AssociationAccepted += (sender, e) =>
{
numberOfContexts = e.Association.PresentationContexts.Count;
accpetedTS = e.Association.PresentationContexts.First().AcceptedTransferSyntax;
};
await client.AddRequestAsync(request).ConfigureAwait(false);
await client.SendAsync().ConfigureAwait(false);
Assert.Equal(2, numberOfContexts); // one for the jpeg2k TS and one for the mandatory ImplicitLittleEndian
Assert.Equal(DicomTransferSyntax.JPEG2000Lossy, accpetedTS);
}
}
public async Task DicomClientSend_StorePart10File_ShouldSucceed()
{
var port = Ports.GetNext();
using (var server = DicomServer.Create <CStoreScp>(port))
{
server.Logger = _logger.IncludePrefix("CStoreScp");
var file = DicomFile.Open(@".\Test Data\CT-MONO2-16-ankle");
var client = new Dicom.Network.Client.DicomClient("127.0.0.1", port, false, "SCU", "SCP")
{
Logger = _logger.IncludePrefix("DicomClient")
};
await client.AddRequestAsync(new DicomCStoreRequest(file)).ConfigureAwait(false);
var exception = await Record.ExceptionAsync(async() => await client.SendAsync());
Assert.Null(exception);
}
}
public async Task SendMaxPDU()
{
var port = Ports.GetNext();
uint serverPduLength = 400000;
uint clientPduLength = serverPduLength / 2;
using (var server = DicomServer.Create <DicomCEchoProvider>(port, null, new DicomServiceOptions {
MaxPDULength = serverPduLength
}))
{
uint serverPduInAssociationAccepted = 0;
var client = new Client.DicomClient("127.0.0.1", port, false, "SCU", "ANY-SCP");
client.Options = new DicomServiceOptions {
MaxPDULength = clientPduLength
}; // explicitly choose a different value
await client.AddRequestAsync(new DicomCEchoRequest());
client.AssociationAccepted += (sender, e) => serverPduInAssociationAccepted = e.Association.MaximumPDULength;
await client.SendAsync();
Assert.Equal(serverPduLength, serverPduInAssociationAccepted);
}
}
/// <summary>
/// Throttle requests using W(O) = mO(t) + c where W is the wait period, O is the opertaion duration, m and c are positive constants
/// The request is added to the client which is unreleased at the end of this request send.
/// </summary>
///
#region ThrottleRequest
public void ThrottleRequest(DicomRequest dicomRequest, DicomClient client, CancellationToken cancellationToken)
{
client.AddRequestAsync(dicomRequest).Wait(cancellationToken);
ThrottleRequest(client, cancellationToken);
}
/// <summary>
/// Blocks until the request is received so calling code doesn't have to deal with asynchrony (see the EventWaitHandle in TrySend).
/// Only the timeout is applied no Throtelling, the client is unreleased on return
/// </summary>
/// <param name="dicomRequest"></param>
/// <param name="client"></param>
#region SendRequest
public void SendRequest(DicomRequest dicomRequest, DicomClient client, CancellationToken token)
{
client.AddRequestAsync(dicomRequest).Wait(token);
SendRequest(client, token);
}
public async Task ClientHandleNEventReport_SynchronousEvent()
{
var port = Ports.GetNext();
using (DicomServer.Create <SimpleStorageComitmentProvider>(port))
{
DicomStatus status = null;
int verifiedInstances = 0;
DateTime stampNActionResponse = DateTime.MinValue;
DateTime stampNEventReportRequest = DateTime.MinValue;
var dicomClient = new Client.DicomClient("127.0.0.1", port, false, "SCU", "ANY-SCP");
var nActionDicomDataSet = new DicomDataset
{
{ DicomTag.TransactionUID, DicomUIDGenerator.GenerateDerivedFromUUID().UID },
{
DicomTag.ReferencedSOPSequence,
new DicomDataset()
{
{ DicomTag.ReferencedSOPClassUID, "1.2.840.10008.5.1.4.1.1.1" },
{ DicomTag.ReferencedSOPInstanceUID, "1.3.46.670589.30.2273540226.4.54" }
},
new DicomDataset()
{
{ DicomTag.ReferencedSOPClassUID, "1.2.840.10008.5.1.4.1.1.1" },
{ DicomTag.ReferencedSOPInstanceUID, "1.3.46.670589.30.2273540226.4.59" }
}
}
};
var nActionRequest = new DicomNActionRequest(DicomUID.StorageCommitmentPushModel,
DicomUID.StorageCommitmentPushModel, 1)
{
Dataset = nActionDicomDataSet,
OnResponseReceived = (DicomNActionRequest request, DicomNActionResponse response) =>
{
status = response.Status;
stampNActionResponse = DateTime.Now;
},
};
await dicomClient.AddRequestAsync(nActionRequest);
dicomClient.OnNEventReportRequest = (eventReq) =>
{
var refSopSequence = eventReq.Dataset.GetSequence(DicomTag.ReferencedSOPSequence);
foreach (var item in refSopSequence.Items)
{
verifiedInstances += 1;
}
stampNEventReportRequest = DateTime.Now;
return(Task.FromResult(new DicomNEventReportResponse(eventReq, DicomStatus.Success)));
};
dicomClient.AssociationLingerTimeoutInMs = (int)TimeSpan.FromSeconds(5).TotalMilliseconds;
await dicomClient.SendAsync().ConfigureAwait(false);
Assert.Equal(DicomStatus.Success, status);
Assert.Equal(2, verifiedInstances);
Assert.True(stampNActionResponse < stampNEventReportRequest);
}
}