qasimj/ns-3-dev-netfilter: src/internet-stack/ip-conntrack-info.h@19aa5f9b4bdf

     1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

     2 /*

     3  * Copyright (c) 2009 University of Texas at Dallas

     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: Qasim Javed <qasim@utdallas.edu>

    19  */

    20 #ifndef IP_CONNTRACK_INFO

    21 #define IP_CONNTRACK_INFO

    23 #include <stdint.h>

    26 namespace ns3 {

    27     typedef enum {

    28       IP_CT_ESTABLISHED,

    29       IP_CT_RELATED,

    30       IP_CT_NEW,

    31       IP_CT_IS_REPLY,

    32       IP_CT_NUMBER = IP_CT_IS_REPLY * 2 - 1

    33     } ConntrackInfo_t;

    35     typedef enum {

    36       IP_CT_DIR_ORIGINAL,

    37       IP_CT_DIR_REPLY,

    38       IP_CT_DIR_MAX,

    39     } ConntrackDirection_t;

    41     typedef enum {

    42       IPS_EXPECTED_BIT=0,

    43       IPS_EXPECTED = (1 << IPS_EXPECTED_BIT),

    45       IPS_SEEN_REPLY_BIT = 1,

    46       IPS_SEEN_REPLY = (1 << IPS_SEEN_REPLY_BIT),

    48       IPS_ASSURED_BIT = 2,

    49       IPS_ASSURED = (1 << IPS_ASSURED_BIT),

    51       IPS_CONFIRMED_BIT = 3,

    52       IPS_CONFIRMED = (1 << IPS_CONFIRMED_BIT),

    54       IPS_SRC_NAT_BIT = 4,

    55       IPS_SRC_NAT = (1 << IPS_SRC_NAT_BIT),

    57       IPS_DST_NAT_BIT = 5,

    58       IPS_DST_NAT = (1 << IPS_DST_NAT_BIT),

    60       IPS_NAT_MASK = (IPS_DST_NAT | IPS_SRC_NAT),

    62       IPS_SEQ_ADJUST_BIT = 6,

    63       IPS_SEQ_ADJUST = (1 << IPS_SEQ_ADJUST_BIT),

    65       IPS_SRC_NAT_DONE_BIT = 7,

    66       IPS_SRC_NAT_DONE = (1 << IPS_SRC_NAT_DONE_BIT),

    68       IPS_DST_NAT_DONE_BIT = 8,

    69       IPS_DST_NAT_DONE = (1 << IPS_DST_NAT_DONE_BIT),

    71       IPS_NAT_DONE_MASK = (IPS_DST_NAT_DONE | IPS_SRC_NAT_DONE),

    73       IPS_DYING_BIT = 9,

    74       IPS_DYING = (1 << IPS_DYING_BIT),

    76     } ConntrackStatus_t;

    78 class IpConntrackInfo {

    79   public:

    80     IpConntrackInfo ();

    81     IpConntrackInfo (uint32_t);

    82     void SetStatus (uint32_t status);

    83     uint32_t GetStatus ();

    84     bool IsConfirmed ();

    85     void SetConfirmed ();

    86     bool IsDying ();

    87     void SetDying ();

    89     void SetInfo (uint8_t info);

    90     uint8_t GetInfo ();

    92     ConntrackDirection_t ConntrackInfoToDirection (ConntrackInfo_t ctinfo);

    94   private:

    95     uint32_t m_status;

    96     uint8_t m_info;

    97 };

    99 }

   101 #endif /* IP_CONNTRACK_INFO */

author	Qasim Javed <qasimj@gmail.com>
	Thu Aug 06 01:55:49 2009 +0600 (2009-08-06)
changeset 4638	19aa5f9b4bdf
parent 4636	be76844f7b75
permissions	-rw-r--r--