--- a/Core/JobsEngine/JobsRegistry.cpp	Tue May 22 13:11:47 2018 +0200
+++ b/Core/JobsEngine/JobsRegistry.cpp	Tue May 22 14:08:57 2018 +0200
@@ -446,12 +446,14 @@
   }
 
 
-  void JobsRegistry::SetMaxCompletedJobs(size_t i)
+  void JobsRegistry::SetMaxCompletedJobs(size_t n)
   {
     boost::mutex::scoped_lock lock(mutex_);
     CheckInvariants();
 
-    maxCompletedJobs_ = i;
+    LOG(INFO) << "The size of the history of the jobs engine is set to: " << n << " job(s)";
+
+    maxCompletedJobs_ = n;
     ForgetOldCompletedJobs();
 
     CheckInvariants();

--- a/Core/JobsEngine/Operations/SequenceOfOperationsJob.cpp	Tue May 22 13:11:47 2018 +0200
+++ b/Core/JobsEngine/Operations/SequenceOfOperationsJob.cpp	Tue May 22 14:08:57 2018 +0200
@@ -207,7 +207,7 @@
   }
 
   
-  void SequenceOfOperationsJob::Lock::SetDicomConnectionTimeout(unsigned int timeout)
+  void SequenceOfOperationsJob::Lock::SetDicomAssociationTimeout(unsigned int timeout)
   {
     that_.connectionManager_.SetTimeout(timeout);
   }

--- a/Core/JobsEngine/Operations/SequenceOfOperationsJob.h	Tue May 22 13:11:47 2018 +0200
+++ b/Core/JobsEngine/Operations/SequenceOfOperationsJob.h	Tue May 22 14:08:57 2018 +0200
@@ -103,7 +103,7 @@
 
       void SetTrailingOperationTimeout(unsigned int timeout);
 
-      void SetDicomConnectionTimeout(unsigned int timeout);
+      void SetDicomAssociationTimeout(unsigned int timeout);
       
       size_t AddOperation(IJobOperation* operation);
 
@@ -139,5 +139,10 @@
     virtual void GetPublicContent(Json::Value& value);
 
     virtual void GetInternalContent(Json::Value& value);
+
+    void AwakeTrailingSleep()
+    {
+      operationAdded_.notify_one();
+    }
   };
 }

--- a/OrthancServer/LuaScripting.cpp	Tue May 22 13:11:47 2018 +0200
+++ b/OrthancServer/LuaScripting.cpp	Tue May 22 14:08:57 2018 +0200
@@ -588,6 +588,8 @@
       continue_ = false;
     }
 
+    jobManager_.AwakeTrailingSleep();
+
     if (eventThread_.joinable())
     {
       LOG(INFO) << "Stopping the Lua engine";

--- a/OrthancServer/ServerJobs/LuaJobManager.cpp	Tue May 22 13:11:47 2018 +0200
+++ b/OrthancServer/ServerJobs/LuaJobManager.cpp	Tue May 22 14:08:57 2018 +0200
@@ -34,6 +34,9 @@
 #include "../PrecompiledHeadersServer.h"
 #include "LuaJobManager.h"
 
+#include "../OrthancInitialization.h"
+#include "../../Core/Logging.h"
+
 #include "../../Core/JobsEngine/Operations/LogJobOperation.h"
 #include "DeleteResourceOperation.h"
 #include "ModifyInstanceOperation.h"
@@ -65,6 +68,9 @@
     priority_(0),
     trailingTimeout_(5000)
   {
+    dicomTimeout_ = Configuration::GetGlobalUnsignedIntegerParameter("DicomAssociationCloseDelay", 5);
+    LOG(INFO) << "Lua: DICOM associations will be closed after "
+              << dicomTimeout_ << " seconds of inactivity";
   }
 
 
@@ -89,6 +95,19 @@
   }
 
 
+  void LuaJobManager::AwakeTrailingSleep()
+  {
+    boost::mutex::scoped_lock lock(mutex_);
+
+    LOG(INFO) << "Awaking trailing sleep";
+
+    if (currentJob_ != NULL)
+    {
+      currentJob_->AwakeTrailingSleep();
+    }
+  }
+
+
   LuaJobManager::Lock::Lock(LuaJobManager& that,
                             JobsEngine& engine) :
     that_(that),
@@ -125,6 +144,7 @@
       {
         jobLock_.reset(new SequenceOfOperationsJob::Lock(*that_.currentJob_));
         jobLock_->SetTrailingOperationTimeout(that_.trailingTimeout_);
+        jobLock_->SetDicomAssociationTimeout(that_.dicomTimeout_ * 1000);  // Milliseconds expected
       }
     }
 

--- a/OrthancServer/ServerJobs/LuaJobManager.h	Tue May 22 13:11:47 2018 +0200
+++ b/OrthancServer/ServerJobs/LuaJobManager.h	Tue May 22 14:08:57 2018 +0200
@@ -33,7 +33,6 @@
 
 #pragma once
 
-#include "../../Core/DicomNetworking/TimeoutDicomConnectionManager.h"
 #include "../../Core/DicomParsing/DicomModification.h"
 #include "../../Core/JobsEngine/JobsEngine.h"
 #include "../../Core/JobsEngine/Operations/SequenceOfOperationsJob.h"
@@ -52,6 +51,7 @@
     size_t                    maxOperations_;
     int                       priority_;
     unsigned int              trailingTimeout_;
+    unsigned int              dicomTimeout_;
 
     virtual void SignalDone(const SequenceOfOperationsJob& job);
 
@@ -64,6 +64,8 @@
 
     void SetTrailingOperationTimeout(unsigned int timeout);
 
+    void AwakeTrailingSleep();
+
     class Lock : public boost::noncopyable
     {
     private:

--- a/OrthancServer/main.cpp	Tue May 22 13:11:47 2018 +0200
+++ b/OrthancServer/main.cpp	Tue May 22 14:08:57 2018 +0200
@@ -997,6 +997,9 @@
   LOG(INFO) << "Initializing Lua for the event handler";
   context.GetLuaScripting().LoadGlobalConfiguration();
 
+  context.GetJobsEngine().GetRegistry().SetMaxCompletedJobs
+    (Configuration::GetGlobalUnsignedIntegerParameter("JobsHistorySize", 10));
+
 #if ORTHANC_ENABLE_PLUGINS == 1
   if (plugins)
   {

--- a/Resources/Configuration.json	Tue May 22 13:11:47 2018 +0200
+++ b/Resources/Configuration.json	Tue May 22 14:08:57 2018 +0200
@@ -315,10 +315,11 @@
   // this option might prevent the upgrade to newer versions of Orthanc.
   "StoreDicom" : true,
 
-  // DICOM associations are kept open as long as new DICOM commands
-  // are issued. This option sets the number of seconds of inactivity
-  // to wait before automatically closing a DICOM association. If set
-  // to 0, the connection is closed immediately.
+  // DICOM associations initiated by Lua scripts are kept open as long
+  // as new DICOM commands are issued. This option sets the number of
+  // seconds of inactivity to wait before automatically closing a
+  // DICOM association used by Lua. If set to 0, the connection is
+  // closed immediately.
   "DicomAssociationCloseDelay" : 5,
 
   // Maximum number of query/retrieve DICOM requests that are
@@ -376,5 +377,10 @@
     // "00e1,10c2" : [ "UI", "PET-CT Multi Modality Name", 1, 1, "ELSCINT1" ]
     // "7053,1003" : [ "ST", "Original Image Filename", 1, 1, "Philips PET Private Group" ]
     // "2001,5f" : [ "SQ", "StackSequence", 1, 1, "Philips Imaging DD 001" ]
-  }
+  },
+
+  // Maximum number of completed jobs that are kept in memory. A
+  // processing job is considered as complete once it is tagged as
+  // "Success" or "Failure".
+  "JobsHistorySize" : 10
 }