Added serverDatabase library

engine/server/library/serverDatabase/src/shared/TaskCheckVersionNumber.cpp

@@ -0,0 +1,62 @@
+// ======================================================================
+//
+// TaskCheckVersionNumber.cpp
+// copyright (c) 2001 Sony Online Entertainment
+//
+// ======================================================================
+
+#include "serverDatabase/FirstServerDatabase.h"
+#include "serverDatabase/TaskCheckVersionNumber.h"
+
+#include "serverDatabase/GetVersionNumberQuery.h"
+#include "sharedDatabaseInterface/DbSession.h"
+
+// ======================================================================
+
+TaskCheckVersionNumber::TaskCheckVersionNumber(int codeVersion, bool fatalOnMismatch) :
+		m_codeVersion(codeVersion),
+		m_databaseVersion(0),
+		m_minVersion(0),
+		m_fatalOnMismatch(fatalOnMismatch)
+{
+}
+
+// ----------------------------------------------------------------------
+
+TaskCheckVersionNumber::~TaskCheckVersionNumber()
+{
+}
+
+// ----------------------------------------------------------------------
+
+bool TaskCheckVersionNumber::process(DB::Session *session)
+{
+	int rowsFetched;
+	DBQuery::GetVersionNumberQuery qry;
+
+	if (! (session->exec(&qry)))
+		return false;
+	rowsFetched = qry.fetch();
+	m_databaseVersion=qry.getVersionNumber();
+	m_minVersion=qry.getMinVersionNumber();
+	return (rowsFetched >= 0);
+}
+
+// ----------------------------------------------------------------------
+
+void TaskCheckVersionNumber::onComplete()
+{
+	if ((m_codeVersion > m_databaseVersion) || (m_codeVersion < m_minVersion))
+	{
+		if (m_fatalOnMismatch)
+		{
+			FATAL(true,("This version of the server requires database version %i, but the database is version %i.\n",m_codeVersion,m_databaseVersion));
+		}
+		else
+		{
+			WARNING(true,("This version of the server requires database version %i, but the database is version %i.\n",m_codeVersion,m_databaseVersion));
+		}
+	}
+}
+
+// ======================================================================