1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2016 Universita' degli Studi di Napoli Federico II
4  *               2016 University of Washington
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation;
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  *
19  * Authors:  Stefano Avallone <stavallo@unina.it>
20  *           Tom Henderson <tomhend@u.washington.edu>
21  *           Pasquale Imputato <p.imputato@gmail.com>
22  */
23 
24 #include "ns3/log.h"
25 #include "ns3/enum.h"
26 #include "ns3/uinteger.h"
27 #include "ns3/tcp-header.h"
28 #include "ns3/udp-header.h"
29 #include "ipv4-queue-disc-item.h"
30 #include "ipv4-packet-filter.h"
31 
32 namespace ns3 {
33 
34 NS_LOG_COMPONENT_DEFINE ("Ipv4PacketFilter");
35 
36 NS_OBJECT_ENSURE_REGISTERED (Ipv4PacketFilter);
37 
38 TypeId
GetTypeId(void)39 Ipv4PacketFilter::GetTypeId (void)
40 {
41   static TypeId tid = TypeId ("ns3::Ipv4PacketFilter")
42     .SetParent<PacketFilter> ()
43     .SetGroupName ("Internet")
44   ;
45   return tid;
46 }
47 
Ipv4PacketFilter()48 Ipv4PacketFilter::Ipv4PacketFilter ()
49 {
50   NS_LOG_FUNCTION (this);
51 }
52 
~Ipv4PacketFilter()53 Ipv4PacketFilter::~Ipv4PacketFilter()
54 {
55   NS_LOG_FUNCTION (this);
56 }
57 
58 bool
CheckProtocol(Ptr<QueueDiscItem> item) const59 Ipv4PacketFilter::CheckProtocol (Ptr<QueueDiscItem> item) const
60 {
61   NS_LOG_FUNCTION (this << item);
62   return (DynamicCast<Ipv4QueueDiscItem> (item) != 0);
63 }
64 
65 // ------------------------------------------------------------------------- //
66 
67 
68 } // namespace ns3
69