orthanc: OrthancServer/ServerIndex.cpp comparison

comparison OrthancServer/ServerIndex.cpp @ 511:3b735fdf320b

monitoring of stable patients/studies/series

author	Sebastien Jodogne <s.jodogne@gmail.com>
date	Fri, 16 Aug 2013 15:39:53 +0200
parents	23e5b35e3c5c
children	935e8c7e0b18

comparison

equal deleted inserted replaced

-:e7841864c97c
+:3b735fdf320b
 #ifndef NOMINMAX
 #define NOMINMAX
 #endif
 #include "EmbeddedResources.h"
+#include "OrthancInitialization.h"
 #include "../Core/Toolbox.h"
 #include "../Core/Uuid.h"
 #include "../Core/DicomFormat/DicomArray.h"
 #include "../Core/SQLite/Transaction.h"
 #include "FromDcmtkBridge.h"
 }
 }
 };
+struct ServerIndex::UnstableResourcePayload
+{
+Orthanc::ResourceType type_;
+boost::posix_time::ptime time_;
+UnstableResourcePayload() : type_(Orthanc::ResourceType_Instance)
+{
+}
+UnstableResourcePayload(Orthanc::ResourceType type) : type_(type)
+{
+time_ = boost::posix_time::second_clock::local_time();
+}
+unsigned int GetAge() const
+{
+return (boost::posix_time::second_clock::local_time() - time_).total_seconds();
+}
+};
 bool ServerIndex::DeleteResource(Json::Value& target,
 const std::string& uuid,
 ResourceType expectedType)
 {
 boost::mutex::scoped_lock lock(mutex_);
 return true;
 }
-static void FlushThread(DatabaseWrapper* db,
+void ServerIndex::FlushThread(ServerIndex* that)
-boost::mutex* mutex,
+{
-unsigned int sleep)
+unsigned int sleep;
-{
+try
+{
+std::string sleepString = that->db_->GetGlobalProperty(GlobalProperty_FlushSleep);
+sleep = boost::lexical_cast<unsigned int>(sleepString);
+}
+catch (boost::bad_lexical_cast&)
+{
+// By default, wait for 10 seconds before flushing
+sleep = 10;
+}
 LOG(INFO) << "Starting the database flushing thread (sleep = " << sleep << ")";
-while (1)
+unsigned int count = 0;
-{
-boost::this_thread::sleep(boost::posix_time::seconds(sleep));
+while (!that->done_)
-boost::mutex::scoped_lock lock(*mutex);
+{
-db->FlushToDisk();
+boost::this_thread::sleep(boost::posix_time::seconds(1));
-}
+count++;
+if (count < sleep)
+{
+continue;
+}
+boost::mutex::scoped_lock lock(that->mutex_);
+that->db_->FlushToDisk();
+count = 0;
+}
+LOG(INFO) << "Stopping the database flushing thread";
 }
 static void ComputeExpectedNumberOfInstances(DatabaseWrapper& db,
 int64_t series,
 }
 ServerIndex::ServerIndex(ServerContext& context,
 const std::string& dbPath) :
+done_(false),
 maximumStorageSize_(0),
 maximumPatients_(0)
 {
 listener_.reset(new Internals::ServerIndexListener(context));
 // Initial recycling if the parameters have changed since the last
 // execution of Orthanc
 StandaloneRecycling();
-unsigned int sleep;
+flushThread_ = boost::thread(FlushThread, this);
-try
+unstableResourcesMonitorThread_ = boost::thread(UnstableResourcesMonitorThread, this);
-{
-std::string sleepString = db_->GetGlobalProperty(GlobalProperty_FlushSleep);
-sleep = boost::lexical_cast<unsigned int>(sleepString);
-}
-catch (boost::bad_lexical_cast&)
-{
-// By default, wait for 10 seconds before flushing
-sleep = 10;
-}
-flushThread_ = boost::thread(FlushThread, db_.get(), &mutex_, sleep);
 }
 ServerIndex::~ServerIndex()
 {
-LOG(INFO) << "Stopping the database flushing thread";
+done_ = true;
+if (flushThread_.joinable())
+{
+flushThread_.join();
+}
+if (unstableResourcesMonitorThread_.joinable())
+{
+unstableResourcesMonitorThread_.join();
+}
 }
 StoreStatus ServerIndex::Store(const DicomMap& dicomSummary,
 const Attachments& attachments,
 std::string now = Toolbox::GetNowIsoString();
 db_->SetMetadata(instance, MetadataType_Instance_ReceptionDate, now);
 db_->SetMetadata(series, MetadataType_LastUpdate, now);
 db_->SetMetadata(study, MetadataType_LastUpdate, now);
 db_->SetMetadata(patient, MetadataType_LastUpdate, now);
 db_->SetMetadata(instance, MetadataType_Instance_RemoteAet, remoteAet);
 const DicomValue* value;
 if ((value = dicomSummary.TestAndGetValue(DICOM_TAG_INSTANCE_NUMBER)) != NULL ||
 (value = dicomSummary.TestAndGetValue(DICOM_TAG_IMAGE_INDEX)) != NULL)
 SeriesStatus seriesStatus = GetSeriesStatus(series);
 if (seriesStatus == SeriesStatus_Complete)
 {
 db_->LogChange(ChangeType_CompletedSeries, series, ResourceType_Series);
 }
+// Mark the parent resources of this instance as unstable
+MarkAsUnstable(patient, ResourceType_Patient);
+MarkAsUnstable(study, ResourceType_Study);
+MarkAsUnstable(series, ResourceType_Series);
 t.Commit(instanceSize);
 return StoreStatus_Success;
 }
 result["AnonymizedFrom"] = tmp;
 tmp = db_->GetMetadata(id, MetadataType_ModifiedFrom);
 if (tmp.size() != 0)
 result["ModifiedFrom"] = tmp;
+if (type == ResourceType_Patient ||
+type == ResourceType_Study ||
+type == ResourceType_Series)
+{
+result["IsStable"] = !unstableResources_.Contains(id);
+}
 return true;
 }
 case ResourceType_Instance:
 default:
 break;
 }
 }
+void ServerIndex::UnstableResourcesMonitorThread(ServerIndex* that)
+{
+int stableAge = GetGlobalIntegerParameter("StableAge", 60);
+if (stableAge <= 0)
+{
+stableAge = 60;
+}
+LOG(INFO) << "Starting the monitor for stable resources (stable age = " << stableAge << ")";
+while (!that->done_)
+{
+// Check for stable resources each second
+boost::this_thread::sleep(boost::posix_time::seconds(1));
+boost::mutex::scoped_lock lock(that->mutex_);
+while (!that->unstableResources_.IsEmpty() &&
+that->unstableResources_.GetOldestPayload().GetAge() > static_cast<unsigned int>(stableAge))
+{
+// This DICOM resource has not received any new instance for
+// some time. It can be considered as stable.
+UnstableResourcePayload payload;
+int64_t id = that->unstableResources_.RemoveOldest(payload);
+switch (payload.type_)
+{
+case Orthanc::ResourceType_Patient:
+that->db_->LogChange(ChangeType_StablePatient, id, ResourceType_Patient);
+break;
+case Orthanc::ResourceType_Study:
+that->db_->LogChange(ChangeType_StableStudy, id, ResourceType_Study);
+break;
+case Orthanc::ResourceType_Series:
+that->db_->LogChange(ChangeType_StableSeries, id, ResourceType_Series);
+break;
+default:
+throw OrthancException(ErrorCode_InternalError);
+}
+//LOG(INFO) << "Stable resource: " << EnumerationToString(payload.type_) << " " << id;
+}
+}
+LOG(INFO) << "Closing the monitor thread for stable resources";
+}
+void ServerIndex::MarkAsUnstable(int64_t id,
+Orthanc::ResourceType type)
+{
+// WARNING: Before calling this method, "mutex_" must be locked.
+assert(type == Orthanc::ResourceType_Patient ||
+type == Orthanc::ResourceType_Study ||
+type == Orthanc::ResourceType_Series);
+unstableResources_.AddOrMakeMostRecent(id, type);
+//LOG(INFO) << "Unstable resource: " << EnumerationToString(type) << " " << id;
+}
 }

Mercurial > hg > orthanc

comparison OrthancServer/ServerIndex.cpp @ 511:3b735fdf320b