Basic

MPPS SCU service for reporting procedure status.

MPPS SCU service for reporting procedure status The MPPS SCU (Service Class User) sends N-CREATE and N-SET requests to remote MPPS SCP systems (PACS, RIS) to report procedure progress.

MPPS Message Flow

Modality (MPPS SCU)                    PACS/RIS (MPPS SCP)
 |                                     |
 |  [Exam Started]                     |
 |                                     |
 |  N-CREATE-RQ                        |
 |  +--------------------------+       |
 |  | Status: "IN PROGRESS"   |       |
 |  | PatientID, Modality...  |       |
 |  +--------------------------+       |
 |------------------------------------>|
 |                                     |
 |  N-CREATE-RSP (Success)             |
 |<------------------------------------|
 |                                     |
 |  [Exam Completed]                   |
 |                                     |
 |  N-SET-RQ                           |
 |  +--------------------------+       |
 |  | Status: "COMPLETED"     |       |
 |  | PerformedSeriesSequence |       |
 |  +--------------------------+       |
 |------------------------------------>|
 |                                     |
 |  N-SET-RSP (Success)                |
 |<------------------------------------|

Usage

// Establish association
association_config config;
config.calling_ae_title = "CT_SCANNER";
config.called_ae_title = "RIS_SCP";
config.proposed_contexts.push_back({
    1,
    std::string(mpps_sop_class_uid),
    {"1.2.840.10008.1.2.1", "1.2.840.10008.1.2"}
});
 
auto assoc_result = association::connect("192.168.1.100", 11112, config);
auto& assoc = assoc_result.value();
 
// Create MPPS SCU and start procedure
mpps_scu scu;
 
mpps_create_data create_data;
create_data.patient_id = "12345";
create_data.patient_name = "Doe^John";
create_data.modality = "CT";
create_data.station_ae_title = "CT_SCANNER";
 
auto create_result = scu.create(assoc, create_data);
if (create_result.is_ok() && create_result.value().is_success()) {
    std::string mpps_uid = create_result.value().mpps_sop_instance_uid;
 
    // ... perform exam ...
 
    // Complete the procedure
    performed_series_info series;
    series.series_uid = "1.2.3.4.5.6";
    series.modality = "CT";
    series.num_instances = 150;
 
    auto complete_result = scu.complete(assoc, mpps_uid, {series});
}
 
assoc.release();