New upstream version 8.1.0

meta/source/components/buddyresyncer/SessionStoreResyncer.cpp

@@ -0,0 +1,59 @@
+#include "SessionStoreResyncer.h"
+
+#include <common/toolkit/MessagingTk.h>
+#include <common/net/message/storage/mirroring/ResyncSessionStoreMsg.h>
+#include <common/net/message/storage/mirroring/ResyncSessionStoreRespMsg.h>
+#include <common/toolkit/StringTk.h>
+#include <program/Program.h>
+#include <app/App.h>
+
+#include <boost/scoped_array.hpp>
+
+SessionStoreResyncer::SessionStoreResyncer(const NumNodeID& buddyNodeID)
+ : buddyNodeID(buddyNodeID) {}
+
+void SessionStoreResyncer::doSync()
+{
+   App* app = Program::getApp();
+   SessionStore* sessions = app->getMirroredSessions();
+   NodeStoreServers* metaNodes = app->getMetaNodes();
+   const uint64_t numSessions = sessions->getSize();
+
+   numSessionsToSync.set(numSessions);
+
+   // Serialize sessions store into buffer
+   std::pair<std::unique_ptr<char[]>, size_t> sessionStoreSerBuf = sessions->serializeToBuf();
+
+   if (sessionStoreSerBuf.second == 0)
+   {
+      // Serialization failed.
+      errors.set(1);
+      return;
+   }
+
+   LOG(MIRRORING, DEBUG, "Serialized session store", ("size", sessionStoreSerBuf.second));
+
+   ResyncSessionStoreMsg msg(sessionStoreSerBuf.first.get(), sessionStoreSerBuf.second);
+   RequestResponseArgs rrArgs(NULL, &msg, NETMSGTYPE_ResyncSessionStoreResp);
+   RequestResponseNode rrNode(buddyNodeID, metaNodes);
+   msg.registerStreamoutHook(rrArgs);
+
+   FhgfsOpsErr requestRes = MessagingTk::requestResponseNode(&rrNode, &rrArgs);
+
+   if (requestRes != FhgfsOpsErr_SUCCESS)
+   {
+      errors.set(1);
+      LOG(MIRRORING, ERR, "Request failed.", requestRes);
+      return;
+   }
+
+   ResyncSessionStoreRespMsg* resp = (ResyncSessionStoreRespMsg*)rrArgs.outRespMsg.get();
+   FhgfsOpsErr retVal = resp->getResult();
+
+   LOG(MIRRORING, DEBUG, "ResyncSessionStoreRespMsg", retVal);
+
+   if (retVal != FhgfsOpsErr_SUCCESS)
+      errors.set(1);
+   else
+      numSessionsSynced.set(numSessions);
+}