Merge 802.11s code.
This commit is contained in:
Andrey Mazo
43
src/node/l2-routing-protocol.cc
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43
src/node/l2-routing-protocol.cc
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2008,2009 IITP RAS
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Kirill Andreev <andreev@iitp.ru>
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*/
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#include "ns3/object.h"
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#include "ns3/log.h"
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#include "l2-routing-protocol.h"
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NS_LOG_COMPONENT_DEFINE ("L2RoutingProtocol");
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namespace ns3 {
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NS_OBJECT_ENSURE_REGISTERED (L2RoutingProtocol);
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TypeId
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L2RoutingProtocol::GetTypeId (void)
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{
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static TypeId tid = TypeId ("ns3::L2RoutingProtocol")
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.SetParent<Object> ();
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return tid;
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}
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L2RoutingProtocol::~L2RoutingProtocol ()
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{}
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} // namespace ns3
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166
src/node/l2-routing-protocol.h
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166
src/node/l2-routing-protocol.h
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@@ -0,0 +1,166 @@
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2008,2009 IITP RAS
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Kirill Andreev <andreev@iitp.ru>
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*/
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#ifndef L2_ROUTING_PROTOCOL_H
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#define L2_ROUTING_PROTOCOL_H
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#include <list>
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#include <vector>
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#include <ostream>
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#include "ns3/nstime.h"
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#include "ns3/mac48-address.h"
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#include "ns3/net-device.h"
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#include "ns3/ptr.h"
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namespace ns3 {
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class Packet;
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/**
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* \ingroup node
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* \defgroup L2RoutingProtocol L2routingProtocol
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*/
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/**
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* \ingroup L2RoutingProtocol
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*
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* \brief Base class for Layer 2 routing protocols
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*
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* \details Yhis class is an internal part of L2RoutingNetDevice class
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* and this class implements interface between L2RoutingNetDevice and
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* any protocol of MAC layer. This interface is similar to ipv4
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* routiong protocol base class.
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*/
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class L2RoutingProtocol : public Object
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{
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public:
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static TypeId GetTypeId();
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virtual ~L2RoutingProtocol();
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/**
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* \brief Callback to be invoked when route discovery
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* procedure is completed
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* \param bool flag indicating whether a route was
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* actually found and all needed information is added
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* to the packet succesfully
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* \param Ptr<Packet> is packet, for which the route
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* was resolved
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* \attention All needed information for MAC layer
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* must be stored in proper tags (like in case of
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* HWMP, when WifiMacHeader needs address of next
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* hop), or must be added as a packet header(if MAC
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* does not need any additional information). So, the
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* packet is returned back to L2RoutingNetDevice looks
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* like a pure packet with ethernet header (i.e data
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* +src +dst + protocol). All information needed to
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* L2RoutingNetDevice is outgoing port ID.
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* \param Mac48Address Source address of the packet
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* \param Mac48Address Destiation address of the
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* packet
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* \param uint16_t Ethernet 'Protocol' field - stored
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* in protocol, needed to form a proper MAC-layer
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* header.
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* \param uint32_t Output port
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*/
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typedef Callback<
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void,
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bool,
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Ptr<Packet>,
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Mac48Address,
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Mac48Address,
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uint16_t,
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uint32_t
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>
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RouteReplyCallback;
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/**
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* \brief All packets must go through RequestRoute
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* \returns Can the route be discovered or not
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* \param sourceIface The incoming interface of the
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* packet
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* \param source Source address of the packet
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* \param destination Destination address of the
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* packet
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* \param packet The packet to be resolved (needed the
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* whole packet, because we can add tags or headers).
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* \param protocolType The protocol ID (must be stored
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* for route discovery time to form a proper MAC-layer
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* header).
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* \param routeReply Callback to be invoked after route
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* discovery procedure.
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*/
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virtual bool RequestRoute(
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uint32_t sourceIface,
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const Mac48Address source,
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const Mac48Address destination,
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Ptr<Packet> packet,
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uint16_t protocolType,
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RouteReplyCallback routeReply
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) = 0;
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/**
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* \brief Attaches ports to the L2RoutingProtocols,
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* \returns False if there are not proper devices (like
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* HWMP, which requires only WifiNetDevice and works
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* only above MeshWifiMac).
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* \param ports The array of ports.
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*/
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virtual bool AttachPorts(std::vector<Ptr<NetDevice> > ports) = 0;
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/**
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* \brief L2Routing protocol must know the
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* L2RoutingNetDevice ID to determine packets as 'came
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* from upper layer' and 'received from network' (for
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* example, to manage TTL).
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* \param interface The interface ID of
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* L2RoutingNetDevice
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*/
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virtual void SetIfIndex(uint32_t interface) = 0;
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protected:
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struct QueuedPacket {
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Ptr<Packet> pkt;
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Mac48Address dst;
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Mac48Address src;
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uint16_t protocol;
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uint32_t inPort;
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RouteReplyCallback reply;
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};
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/**
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* \brief Set Max queue size per destinztion
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* \details Routing Queue is implemented inside the
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* routing protocol and keeps one queue per
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* destination (to make it easier to find resolved and
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* timed out packets).
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* \param maxPacketsPerDestination Packets per
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* destination that can be stored inside protocol.
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*/
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virtual void SetMaxQueueSize(int maxPacketsPerDestination) = 0;
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/**
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* \brief Queue packet with 'Ethernet header'
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* \returns false if the queue is full.
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*/
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virtual bool QueuePacket(struct QueuedPacket packet) = 0;
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/**
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* \brief Deques packet with 'Ethernet header'
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* \returns Ptr<packet> (NULL if queue is empty), src,
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* dst, protocol ID, incoming port ID, and reply
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* callback
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* \param destination The destination address, which
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* identifyes queue.
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*/
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virtual struct QueuedPacket DequeuePacket(Mac48Address destination) = 0;
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};
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}//namespace ns3
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#endif
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@@ -38,6 +38,7 @@ def build(bld):
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'ipv6-address.cc',
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'ipv6-header.cc',
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'ipv4-raw-socket-factory.cc',
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'l2-routing-protocol.cc',
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]
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headers = bld.new_task_gen('ns3header')
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@@ -77,4 +78,5 @@ def build(bld):
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'ipv6-address.h',
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'ipv6-header.h',
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'ipv4-raw-socket-factory.h',
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'l2-routing-protocol.h',
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]
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