Merge pull request #336 from mtconnect/period-filter-round-2

Version 2.2.0.8 – fixed boundry race condition between replay of samp…

Author: wsobel

CMakeLists.txt

@@ -2,7 +2,7 @@
 set(AGENT_VERSION_MAJOR 2)
 set(AGENT_VERSION_MINOR 2)
 set(AGENT_VERSION_PATCH 0)
-set(AGENT_VERSION_BUILD 7)
+set(AGENT_VERSION_BUILD 8)
 set(AGENT_VERSION_RC "")
 
 # This minimum version is to support Visual Studio 2019 and C++ feature checking and FetchContent

src/mtconnect/observation/change_observer.cpp

@@ -215,7 +215,8 @@ namespace mtconnect::observation {
           // This will allow the next set of data to be pulled. Any later events will have
           // greater sequence numbers, so this should not cause a problem. Also, signaled
           // sequence numbers can only decrease, never increase.
-          m_sequence = m_observer.getSequence();
+          if (m_observer.getSequence() > m_sequence)
+            m_sequence = m_observer.getSequence();
           m_observer.reset();
         }
       }