Start of serious reorganization
The whole forwarding logic is (will be) moved to the Forwarding Strategy
class.
diff --git a/model/pit/ccnx-pit-entry-outgoing-face.h b/model/pit/ccnx-pit-entry-outgoing-face.h
new file mode 100644
index 0000000..b16b4fd
--- /dev/null
+++ b/model/pit/ccnx-pit-entry-outgoing-face.h
@@ -0,0 +1,77 @@
+/* -*- 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 _CCNX_PIT_ENTRY_OUTGOING_FACE_H_
+#define _CCNX_PIT_ENTRY_OUTGOING_FACE_H_
+
+#include "ns3/nstime.h"
+#include "ns3/ptr.h"
+
+#include "ns3/ccnx-face.h"
+
+namespace ns3 {
+
+/**
+ * \ingroup ccnx
+ * \brief PIT state component for each outgoing interest
+ */
+struct CcnxPitEntryOutgoingFace
+{
+ Ptr<CcnxFace> m_face; ///< \brief face of the outgoing Interest
+ Time m_sendTime; ///< \brief time when the first outgoing interest is sent (for RTT measurements)
+ ///< \todo handle problem of retransmitted interests... Probably, we should include something similar
+ ///< to TimeStamp TCP option for retransmitted (i.e., only lost interests will suffer)
+ uint32_t m_retxCount; ///< \brief number of retransmission
+ bool m_waitingInVain; ///< \brief when flag is set, we do not expect data for this interest, only a small hope that it will happen
+
+public:
+ /**
+ * @brief Constructor to create CcnxPitEntryOutgoingFace
+ * \param face face of the outgoing interest
+ */
+ CcnxPitEntryOutgoingFace (Ptr<CcnxFace> face);
+
+ /**
+ * @brief Update outgoing entry upon retransmission
+ */
+ void
+ UpdateOnRetransmit ();
+
+ /**
+ * @brief Compare to CcnxPitEntryOutgoingFace
+ */
+ bool operator== (const CcnxPitEntryOutgoingFace &dst) { return *m_face==*dst.m_face; }
+
+ /**
+ * @brief Compare CcnxPitEntryOutgoingFace with CcnxFace
+ */
+ bool operator== (Ptr<CcnxFace> face) { return *m_face==*face; }
+
+ /**
+ * \brief Comparison operator used by boost::multi_index::identity<>
+ */
+ bool
+ operator< (const CcnxPitEntryOutgoingFace &m) const { return *m_face < *(m.m_face); } // return identity of the face
+};
+
+
+} // namespace ns3
+
+#endif /* CCNX_PIT_ENTRY_OUTGOING_FACE_H */