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Alexander Afanasyeva98cdd22011-08-29 17:32:37 -07001/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
2/*
3 * Copyright (c) 2011 University of California, Los Angeles
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
19 */
20
21#ifndef _CCNX_PIT_ENTRY_OUTGOING_FACE_H_
22#define _CCNX_PIT_ENTRY_OUTGOING_FACE_H_
23
24#include "ns3/nstime.h"
25#include "ns3/ptr.h"
26
27#include "ccnx-face.h"
28
29namespace ns3 {
30
31/**
32 * \ingroup ccnx
33 * \brief PIT state component for each outgoing interest
34 */
35struct CcnxPitEntryOutgoingFace
36{
37 Ptr<CcnxFace> m_face; ///< \brief face of the outgoing Interest
38 Time m_sendTime; ///< \brief time when the first outgoing interest is sent (for RTT measurements)
39 ///< \todo handle problem of retransmitted interests... Probably, we should include something similar
40 ///< to TimeStamp TCP option for retransmitted (i.e., only lost interests will suffer)
Alexander Afanasyev78cf0c92011-09-01 19:57:14 -070041 uint32_t m_retxNum; ///< \brief number of retransmission
Alexander Afanasyeva98cdd22011-08-29 17:32:37 -070042 // int m_nonce; ///< \brief nonce of the outgoing Interest
43 // bool m_outstanding; ///< \brief flag to indicate that this interest is currently pending
44 // bool m_waitingInVain; ///< \brief when flag is set, we do not expect data for this interest, only a small hope that it will happen
45
46public:
47 CcnxPitEntryOutgoingFace (Ptr<CcnxFace> face);
48
49 bool operator== (const CcnxPitEntryOutgoingFace &dst) { return *m_face==*dst.m_face; }
50 bool operator== (Ptr<CcnxFace> face) { return *m_face==*face; }
51
52 /**
53 * \brief Comparison operator used by boost::multi_index::identity<>
54 */
55 bool
56 operator< (const CcnxPitEntryOutgoingFace &m) const { return *m_face < *(m.m_face); } // return identity of the face
57};
58
59
60} // namespace ns3
61
62#endif /* CCNX_PIT_ENTRY_OUTGOING_FACE_H */