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

     2 /*

     3  * Copyright (c) 2005 INRIA

     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: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

    19  */

    20 

    21 #ifndef IPV4_END_POINT_DEMUX_H

    22 #define IPV4_END_POINT_DEMUX_H

    23 

    24 #include <stdint.h>

    25 #include <list>

    26 #include "ns3/ipv4-address.h"

    27 #include "ipv4-interface.h"

    28 

    29 namespace ns3 {

    30 

    31 class Ipv4EndPoint;

    32 

    33 class Ipv4EndPointDemux {

    34 public:

    35   typedef std::list<Ipv4EndPoint *> EndPoints;

    36   typedef std::list<Ipv4EndPoint *>::iterator EndPointsI;

    37 

    38   Ipv4EndPointDemux ();

    39   ~Ipv4EndPointDemux ();

    40 

    41   bool LookupPortLocal (uint16_t port);

    42   bool LookupLocal (Ipv4Address addr, uint16_t port);

    43   EndPoints Lookup (Ipv4Address daddr, 

    44                     uint16_t dport, 

    45                     Ipv4Address saddr, 

    46                     uint16_t sport,

    47                     Ptr<Ipv4Interface> incomingInterface);

    48 

    49   Ipv4EndPoint *Allocate (void);

    50   Ipv4EndPoint *Allocate (Ipv4Address address);

    51   Ipv4EndPoint *Allocate (uint16_t port);

    52   Ipv4EndPoint *Allocate (Ipv4Address address, uint16_t port);

    53   Ipv4EndPoint *Allocate (Ipv4Address localAddress, 

    54                           uint16_t localPort,

    55                           Ipv4Address peerAddress, 

    56                           uint16_t peerPort);

    57 

    58   void DeAllocate (Ipv4EndPoint *endPoint);

    59 

    60  private:

    61   uint16_t AllocateEphemeralPort (void);

    62 

    63   uint16_t m_ephemeral;

    64   EndPoints m_endPoints;

    65 };

    66 

    67 } // namespace ns3

    68 

    69 #endif /* IPV4_END_POINTS_H */