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mesh-wifi-beacon.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2009 IITP RAS
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: Pavel Boyko <boyko@iitp.ru>
19  */
20 
21 #include "ns3/mesh-wifi-beacon.h"
22 
23 
24 namespace ns3 {
25 
26 MeshWifiBeacon::MeshWifiBeacon (Ssid ssid, SupportedRates rates, uint64_t us)
27 {
28  m_header.SetSsid (ssid);
29  m_header.SetSupportedRates (rates);
30  m_header.SetBeaconIntervalUs (us);
31 }
32 void
33 MeshWifiBeacon::AddInformationElement (Ptr<WifiInformationElement> ie)
34 {
35  m_elements.AddInformationElement (ie);
36 }
37 
38 Time
39 MeshWifiBeacon::GetBeaconInterval () const
40 {
41  return MicroSeconds (m_header.GetBeaconIntervalUs ());
42 }
43 
44 Ptr<Packet>
45 MeshWifiBeacon::CreatePacket ()
46 {
47  Ptr<Packet> packet = Create <Packet> ();
48  packet->AddHeader (m_elements);
49  packet->AddHeader (BeaconHeader ());
50  return packet;
51 }
52 WifiMacHeader
53 MeshWifiBeacon::CreateHeader (Mac48Address address, Mac48Address mpAddress)
54 {
55  WifiMacHeader hdr;
56 
57  hdr.SetBeacon ();
58  hdr.SetAddr1 (Mac48Address::GetBroadcast ());
59  hdr.SetAddr2 (address);
60  hdr.SetAddr3 (mpAddress);
61  hdr.SetDsNotFrom ();
62  hdr.SetDsNotTo ();
63 
64  return hdr;
65 }
66 } // namespace ns3
67 
ns3::MeshWifiBeacon::AddInformationElement
void AddInformationElement(Ptr< WifiInformationElement > ie)
Add information element.
Definition: mesh-wifi-beacon.cc:33
ns3::Time
keep track of time values and allow control of global simulation resolution
Definition: nstime.h:81
ns3::MgtProbeResponseHeader::GetBeaconIntervalUs
uint64_t GetBeaconIntervalUs(void) const
Return the beacon interval in microseconds unit.
Definition: mgt-headers.cc:146
ns3::MeshWifiBeacon::m_elements
WifiInformationElementVector m_elements
List of information elements added.
Definition: mesh-wifi-beacon.h:70
ns3::SupportedRates
The Supported Rates Information ElementThis class knows how to serialise and deserialise the Supporte...
Definition: supported-rates.h:108
ns3::WifiInformationElementVector::AddInformationElement
bool AddInformationElement(Ptr< WifiInformationElement > element)
add an IE, if maxSize has exceeded, returns false
Definition: wifi-information-element-vector.cc:128
ns3::WifiMacHeader::SetAddr1
void SetAddr1(Mac48Address address)
Fill the Address 1 field with the given address.
Definition: wifi-mac-header.cc:83
ns3::WifiMacHeader::SetBeacon
void SetBeacon(void)
Set Type/Subtype values for a beacon header.
Definition: wifi-mac-header.cc:127
ns3::WifiMacHeader::SetDsNotTo
void SetDsNotTo(void)
Un-set the To DS bit in the Frame Control field.
Definition: wifi-mac-header.cc:77
ns3::WifiMacHeader::SetAddr3
void SetAddr3(Mac48Address address)
Fill the Address 3 field with the given address.
Definition: wifi-mac-header.cc:93
ns3::Mac48Address::GetBroadcast
static Mac48Address GetBroadcast(void)
Definition: mac48-address.cc:165
ns3::MeshWifiBeacon::CreateHeader
WifiMacHeader CreateHeader(Mac48Address address, Mac48Address mpAddress)
Create wifi header for beacon frame.
Definition: mesh-wifi-beacon.cc:53
ns3::MgtProbeResponseHeader::SetSsid
void SetSsid(Ssid ssid)
Set the Service Set Identifier (SSID).
Definition: mgt-headers.cc:167
ns3::MgtProbeResponseHeader::SetBeaconIntervalUs
void SetBeaconIntervalUs(uint64_t us)
Set the beacon interval in microseconds unit.
Definition: mgt-headers.cc:172
ns3::MeshWifiBeacon::CreatePacket
Ptr< Packet > CreatePacket()
Create frame = { beacon header + all information elements sorted by ElementId () }.
Definition: mesh-wifi-beacon.cc:45
ns3::WifiMacHeader::SetAddr2
void SetAddr2(Mac48Address address)
Fill the Address 2 field with the given address.
Definition: wifi-mac-header.cc:88
ns3::MeshWifiBeacon::BeaconHeader
MgtBeaconHeader BeaconHeader() const
Read standard Wifi beacon header.
Definition: mesh-wifi-beacon.h:50
ns3::Mac48Address
an EUI-48 address
Definition: mac48-address.h:41
ns3::MeshWifiBeacon::MeshWifiBeacon
MeshWifiBeacon(Ssid ssid, SupportedRates rates, uint64_t us)
C-tor.
Definition: mesh-wifi-beacon.cc:26
ns3::Ssid
The IEEE 802.11 SSID Information Element.
Definition: ssid.h:35
ns3::MeshWifiBeacon::GetBeaconInterval
Time GetBeaconInterval() const
Returns a beacon interval of wifi beacon.
Definition: mesh-wifi-beacon.cc:39
ns3::MeshWifiBeacon::m_header
MgtBeaconHeader m_header
Beacon header.
Definition: mesh-wifi-beacon.h:68
ns3::MgtProbeResponseHeader::SetSupportedRates
void SetSupportedRates(SupportedRates rates)
Set the supported rates.
Definition: mgt-headers.cc:177
first.address
tuple address
Definition: first.py:37
ns3::Packet::AddHeader
void AddHeader(const Header &header)
Add header to this packet.
Definition: packet.cc:253
ns3::WifiMacHeader
Implements the IEEE 802.11 MAC header.
Definition: wifi-mac-header.h:80
ns3::WifiMacHeader::SetDsNotFrom
void SetDsNotFrom(void)
Un-set the From DS bit in the Frame Control field.
Definition: wifi-mac-header.cc:67