Modified (and simplified) NS-3 example
diff --git a/ns3/sync-logic-helper.h b/ns3/sync-logic-helper.h
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+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#ifndef SYNC_LOGIC_HELPER_H
+#define SYNC_LOGIC_HELPER_H
+
+#include "ns3/object-factory.h"
+#include "ns3/attribute.h"
+#include "ns3/node-container.h"
+#include "ns3/application-container.h"
+#include "ns3/ptr.h"
+
+#include <boost/function.hpp>
+
+namespace Sync
+{
+
+class SeqNo;
+
+/**
+ * \brief A helper to make it easier to instantiate an ns3::CcnxConsumer Application
+ * on a set of nodes.
+ */
+class SyncLogicHelper
+{
+public:
+ typedef boost::function< void ( const std::string &/*prefix*/, const SeqNo &/*newSeq*/, const SeqNo &/*oldSeq*/ ) > LogicUpdateCallback;
+ typedef boost::function< void ( const std::string &/*prefix*/ ) > LogicRemoveCallback;
+
+ /**
+ * \brief Create an CcnxAppHelper to make it easier to work with CCNx apps
+ *
+ * \param app Class of the application
+ */
+ SyncLogicHelper ();
+
+ /**
+ * @brief Set the sync prefix
+ */
+ void
+ SetPrefix (const std::string &prefix);
+
+ /**
+ * @brief Set onUpdate and onRemove callbacks
+ */
+ void
+ SetCallbacks (LogicUpdateCallback onUpdate, LogicRemoveCallback onRemove);
+
+ /**
+ * Install an ns3::CcnxConsumer on each node of the input container
+ * configured with all the attributes set with SetAttribute.
+ *
+ * \param c NodeContainer of the set of nodes on which an CcnxConsumer
+ * will be installed.
+ * \returns Container of Ptr to the applications installed.
+ */
+ ns3::ApplicationContainer
+ Install (ns3::NodeContainer c);
+
+ /**
+ * Install an ns3::CcnxConsumer on the node configured with all the
+ * attributes set with SetAttribute.
+ *
+ * \param node The node on which an CcnxConsumer will be installed.
+ * \returns Container of Ptr to the applications installed.
+ */
+ ns3::ApplicationContainer
+ Install (ns3::Ptr<ns3::Node> node);
+
+ /**
+ * Install an ns3::CcnxConsumer on the node configured with all the
+ * attributes set with SetAttribute.
+ *
+ * \param nodeName The node on which an CcnxConsumer will be installed.
+ * \returns Container of Ptr to the applications installed.
+ */
+ ns3::ApplicationContainer
+ Install (std::string nodeName);
+
+private:
+ /**
+ * \internal
+ * Install an ns3::CcnxConsumer on the node configured with all the
+ * attributes set with SetAttribute.
+ *
+ * \param node The node on which an CcnxConsumer will be installed.
+ * \returns Ptr to the application installed.
+ */
+ ns3::Ptr<ns3::Application> InstallPriv (ns3::Ptr<ns3::Node> node);
+ std::string m_prefix; // sync prefix
+ LogicUpdateCallback m_onUpdate;
+ LogicRemoveCallback m_onRemove;
+};
+
+} // namespace Sync
+
+#endif // SYNC_LOGIC_HELPER_H
+