New upstream version 8.1.0

mon/source/components/CleanUp.cpp

@@ -0,0 +1,67 @@
+#include "CleanUp.h"
+
+#include <app/App.h>
+
+CleanUp::CleanUp(App* app) :
+   PThread("CleanUp"), app(app)
+{}
+
+void CleanUp::run()
+{
+   try
+   {
+      LOG(GENERAL, DEBUG, "Component started.");
+      registerSignalHandler();
+      loop();
+      LOG(GENERAL, DEBUG, "Component stopped.");
+   }
+   catch (std::exception& e)
+   {
+      app->handleComponentException(e);
+   }
+}
+
+void CleanUp::loop()
+{
+   const std::chrono::minutes idleDisconnectInterval(30);
+
+   while (!waitForSelfTerminateOrder(std::chrono::milliseconds(idleDisconnectInterval).count()))
+   {
+      dropIdleConns();
+   }
+}
+
+void CleanUp::dropIdleConns()
+{
+   unsigned numDroppedConns = 0;
+
+   numDroppedConns += dropIdleConnsByStore(app->getMgmtNodes());
+   numDroppedConns += dropIdleConnsByStore(app->getMetaNodes());
+   numDroppedConns += dropIdleConnsByStore(app->getStorageNodes());
+
+   if (numDroppedConns)
+   {
+      LOG(GENERAL, DEBUG, "Idle connections dropped", numDroppedConns);
+   }
+}
+
+unsigned CleanUp::dropIdleConnsByStore(NodeStoreServers* nodes)
+{
+   unsigned numDroppedConns = 0;
+
+   const auto referencedNodes = nodes->referenceAllNodes();
+   for (auto node = referencedNodes.begin(); node != referencedNodes.end();
+         node++)
+   {
+      // don't do any idle disconnect stuff with local node
+      // (the LocalNodeConnPool doesn't support and doesn't need this kind of treatment)
+      if (*node != app->getLocalNode())
+      {
+         auto connPool = (*node)->getConnPool();
+
+         numDroppedConns += connPool->disconnectAndResetIdleStreams();
+      }
+   }
+
+   return numDroppedConns;
+}