#include <uwflooding-sec.h>

Inheritance diagram for UwFloodingSec:

Collaboration diagram for UwFloodingSec:

Public Member Functions
	UwFloodingSec ()

virtual	~UwFloodingSec ()

Protected Member Functions
virtual int	command (int, const char const )

virtual void	recv (Packet *)

virtual int	recvSyncClMsg (ClMessage *)

virtual int	recvAsyncClMsg (ClMessage *)

virtual void	writePathInTrace (const Packet *, const string &)

void	addToNeighbor (uint8_t neighbor_addr)

void	printNeighbor ()

bool	checkUnconfirmedPkt (uint8_t neighbor_addr, int uid)

void	sendDown (Packet *p, double delay=0)

virtual void	sendStatsClMsg (int neighbor_addr)

void	retrieveInstantNoise (int neighbor_addr)

Static Protected Member Functions
static nsaddr_t	str2addr (const char *)

static string	printIP (const nsaddr_t &)

Private Types
typedef std::map< uint16_t, double >	map_packets

typedef std::map< uint8_t, map_packets >	map_forwarded_packets

typedef std::map< uint8_t, uint >	neighbor_map

typedef std::map< uint8_t, NeighborReputationHandler >	neighbor_timer_map

Private Member Functions
	UwFloodingSec (const UwFloodingSec &)

uint8_t	getTTL (Packet *p) const

Private Attributes
uint8_t	ipAddr_

int	ttl_

double	maximum_cache_time_

int	optimize_

long	packets_forwarded_

bool	trace_path_

char *	trace_file_path_name_

ofstream	trace_file_path_

ostringstream	osstream_

map_forwarded_packets	my_forwarded_packets_

std::map< uint16_t, uint8_t >	ttl_traffic_map

bool	use_reputation

neighbor_map	neighbor

neighbor_timer_map	neighbor_tmr

double	fwd_to

uint8_t	prev_hop_temp

UwReputationInterface *	reputation

double	alpha_snr

bool	valid_phy_id

int	stats_phy_id

Friends
class	NeighborReputationHandler

Detailed Description

UwFloodingSec class is used to represent the routing layer of a node.

Member Typedef Documentation

◆ map_forwarded_packets

typedef std::map<uint8_t, map_packets> UwFloodingSec::map_forwarded_packets

private

Typedef for a map of the packet forwarded (saddr, map_packets).

◆ map_packets

typedef std::map<uint16_t, double> UwFloodingSec::map_packets

private

Typedef for a packet id: (serial_number, timestamp).

◆ neighbor_map

typedef std::map<uint8_t, uint> UwFloodingSec::neighbor_map

private

Typdef for a map of the neighbor with the number of packets received from him.

◆ neighbor_timer_map

typedef std::map<uint8_t, NeighborReputationHandler> UwFloodingSec::neighbor_timer_map

private

Typedef for the forwardig timer of the neigbors.

Constructor & Destructor Documentation

◆ UwFloodingSec() [1/2]

UwFloodingSec::UwFloodingSec ( )

Constructor of UwFloodingSec class.

References alpha_snr, fwd_to, maximum_cache_time_, optimize_, and ttl_.

◆ ~UwFloodingSec()

UwFloodingSec::~UwFloodingSec ( )

virtual

Destructor of UwFloodingSec class.

◆ UwFloodingSec() [2/2]

UwFloodingSec::UwFloodingSec ( const UwFloodingSec & )

private

Copy constructor declared as private. It is not possible to create a new UwFloodingSec object passing to its constructor another UwFloodingSec object.

Parameters

UwFloodingSec& UwFloodingSec object.

Member Function Documentation

◆ addToNeighbor()

void UwFloodingSec::addToNeighbor ( uint8_t neighbor_addr )

protected

Adds a node in the neighbor map, updating the number of packets received from that node

Parameters

neighbor_addr IP address of the neighbor

References alpha_snr, neighbor, neighbor_tmr, NeighborReputationHandler, and reputation.

Referenced by recv(), and sendStatsClMsg().

◆ checkUnconfirmedPkt()

bool UwFloodingSec::checkUnconfirmedPkt	(	uint8_t	neighbor_addr,
		int	uid
	)

protected

Check if the received packets is an unconfirmed one.

Parameters

neighbor_addr	IP address of the neighbor
uid	uinique id of the received packet

Returns: true if the packets was between the unchecked, false otherwise

References neighbor_tmr.

Referenced by recvSyncClMsg().

◆ command()

int UwFloodingSec::command	(	int	argc,
		const char const	argv
	)

protectedvirtual

TCL command interpreter. It implements the following OTcl methods:

Parameters

argc	Number of arguments in argv.
argv	Array of strings which are the command parameters (Note that argv[0] is the name of the object).

Returns: TCL_OK or TCL_ERROR whether the command has been dispatched successfully or not.

References ipAddr_, packets_forwarded_, printNeighbor(), reputation, stats_phy_id, trace_file_path_, trace_file_path_name_, trace_path_, ttl_traffic_map, use_reputation, and valid_phy_id.

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◆ getTTL()

uint8_t UwFloodingSec::getTTL ( Packet * p ) const

private

Get the value of the TTL

Parameters

p	pointer to the packet for which the ttl has to be computed.

Returns: the ttl for that packet

References hdr_uwcbr::traffic_type(), ttl_, and ttl_traffic_map.

Referenced by recv().

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◆ printIP()

string UwFloodingSec::printIP ( const nsaddr_t & ip_ )

staticprotected

Return a string with an IP in the classic form "x.x.x.x" converting an ns2 nsaddr_t address.

Parameters

nsaddr_t& ns2 address

Returns: String that contains a printable IP in the classic form "x.x.x.x"

◆ printNeighbor()

void UwFloodingSec::printNeighbor ( )

protected

Prints the neighbor list togheter with the number of packets received from the neighbor

References ipAddr_, neighbor, and reputation.

Referenced by command().

◆ recv()

void UwFloodingSec::recv ( Packet * p )

protectedvirtual

Performs the reception of packets from upper and lower layers.

Parameters

Packet* Pointer to the packet will be received.

References addToNeighbor(), hdr_uwip::daddr(), getTTL(), ipAddr_, maximum_cache_time_, my_forwarded_packets_, optimize_, packets_forwarded_, prev_hop_temp, hdr_uwip::saddr(), sendDown(), trace_path_, hdr_uwflooding::ttl(), use_reputation, and writePathInTrace().

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◆ recvAsyncClMsg()

int UwFloodingSec::recvAsyncClMsg ( ClMessage * m )

protectedvirtual

Cross-Layer messages asynchronous interpreter. Used to retrive the IP od the current node from the IP module.

Parameters

ClMessage* an instance of ClMessage that represent the message received and used for the answer.

Returns: 0 if successful.

◆ recvSyncClMsg()

int UwFloodingSec::recvSyncClMsg ( ClMessage * m )

protectedvirtual

Cross-Layer messages synchronous interpreter.

Parameters

ClMessage* an instance of ClMessage that represent the message received

Returns: 0 if successful.

References checkUnconfirmedPkt(), sendStatsClMsg(), and use_reputation.

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◆ retrieveInstantNoise()

void UwFloodingSec::retrieveInstantNoise ( int neighbor_addr )

protected

Send ClMsgStats to retreive instantaneous noise. The ClMsg is sent in unicast only to the module which sent the trigger message

Parameters

neighbor_addr IP address of the neighbor

References UwPhysicalStats::instant_noise_power, neighbor_tmr, stats_phy_id, StatsEnum::STATS_PHY_LAYER, use_reputation, and valid_phy_id.

◆ sendDown()

void UwFloodingSec::sendDown	(	Packet *	p,
		double	delay = `0`
	)

protected

Send down packets and start forwarding timer

Parameters

p	pointer to the packet
delay	(optional) delay introduced before transmission [sec.]

References hdr_uwip::daddr(), fwd_to, neighbor_tmr, prev_hop_temp, and use_reputation.

Referenced by recv().

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◆ sendStatsClMsg()

void UwFloodingSec::sendStatsClMsg ( int neighbor_addr )

protectedvirtual

Send ClMsgStats message when triggered by the reception of an overherd packets. The ClMsg is sent in unicast only to the module which sent the trigger message

Parameters

neighbor_addr IP address of the neighbor

References addToNeighbor(), UwPhysicalStats::has_error, ipAddr_, UwPhysicalStats::last_interf_power, UwPhysicalStats::last_noise_power, UwPhysicalStats::last_rx_power, neighbor_tmr, stats_phy_id, StatsEnum::STATS_PHY_LAYER, use_reputation, and valid_phy_id.

Referenced by recvSyncClMsg().

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◆ str2addr()

static nsaddr_t UwFloodingSec::str2addr ( const char * )

staticprotected

Returns a nsaddr_t address from an IP written as a string in the form "x.x.x.x".

Parameters

char* IP in string form

Returns: nsaddr_t that contains the IP converter from the input string

◆ writePathInTrace()

void UwFloodingSec::writePathInTrace	(	const Packet *	p,
		const string &	_info
	)

protectedvirtual

Writes in the Path Trace file the path contained in the Packet

Parameters

Packet to analyze.

References hdr_uwip::daddr(), osstream_, hdr_uwip::saddr(), trace_file_path_, trace_file_path_name_, and hdr_uwflooding::ttl().

Referenced by recv().

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Friends And Related Symbol Documentation

◆ NeighborReputationHandler

friend class NeighborReputationHandler

friend

Referenced by addToNeighbor().

Member Data Documentation

◆ alpha_snr

double UwFloodingSec::alpha_snr

private

Value to be used by the NeighborReputationHandler object to combine new snr values and average snr.

Referenced by addToNeighbor(), and UwFloodingSec().

◆ fwd_to

double UwFloodingSec::fwd_to

private

Time out within which the forwarding is expected.

Referenced by sendDown(), and UwFloodingSec().

◆ ipAddr_

uint8_t UwFloodingSec::ipAddr_

private

Referenced by NeighborReputationHandler::addUnconfirmedPkt(), command(), NeighborReputationHandler::expire(), printNeighbor(), recv(), NeighborReputationHandler::removeOldPackets(), sendStatsClMsg(), and NeighborReputationHandler::updateInstantNoise().

◆ maximum_cache_time_

double UwFloodingSec::maximum_cache_time_

private

Validity time of a packet entry.

Referenced by recv(), and UwFloodingSec().

◆ my_forwarded_packets_

map_forwarded_packets UwFloodingSec::my_forwarded_packets_

private

Map of the packet forwarded.

Referenced by recv().

◆ neighbor

neighbor_map UwFloodingSec::neighbor

private

Map with the neighbor.

Referenced by addToNeighbor(), and printNeighbor().

◆ neighbor_tmr

neighbor_timer_map UwFloodingSec::neighbor_tmr

private

Map with the neighbor timer.

Referenced by addToNeighbor(), checkUnconfirmedPkt(), retrieveInstantNoise(), sendDown(), and sendStatsClMsg().

◆ optimize_

int UwFloodingSec::optimize_

private

Flag used to enable the mechanism to drop packets processed twice.

Referenced by recv(), and UwFloodingSec().

◆ osstream_

ostringstream UwFloodingSec::osstream_

private

Used to convert to string.

Referenced by writePathInTrace().

◆ packets_forwarded_

long UwFloodingSec::packets_forwarded_

private

Number of packets forwarded by this module.

Referenced by command(), and recv().

◆ prev_hop_temp

uint8_t UwFloodingSec::prev_hop_temp

private

Previous hop IP address of the last received packet.

Referenced by recv(), and sendDown().

◆ reputation

UwReputationInterface* UwFloodingSec::reputation

private

Reputation of the neighbor.

Referenced by addToNeighbor(), command(), and printNeighbor().

◆ stats_phy_id

int UwFloodingSec::stats_phy_id

private

id of the physical layer from which collect the statistics.

Referenced by command(), retrieveInstantNoise(), and sendStatsClMsg().

◆ trace_file_path_

ofstream UwFloodingSec::trace_file_path_

private

Ofstream used to write the path trace file in the disk.

Referenced by command(), and writePathInTrace().

◆ trace_file_path_name_

char* UwFloodingSec::trace_file_path_name_

private

Name of the trace file that contains the list of paths of the data packets received.

Referenced by command(), and writePathInTrace().

◆ trace_path_

bool UwFloodingSec::trace_path_

private

Flag used to enable or disable the path trace file for nodes,

Referenced by command(), and recv().

◆ ttl_

int UwFloodingSec::ttl_

private

Time to leave of the UWFLOODING packets.

Referenced by getTTL(), and UwFloodingSec().

◆ ttl_traffic_map

std::map<uint16_t, uint8_t> UwFloodingSec::ttl_traffic_map

private

Map with ttl per traffic.

Referenced by command(), and getTTL().

◆ use_reputation

bool UwFloodingSec::use_reputation

private

True if the reputation system is used.

Referenced by command(), recv(), recvSyncClMsg(), retrieveInstantNoise(), sendDown(), and sendStatsClMsg().

◆ valid_phy_id

bool UwFloodingSec::valid_phy_id

private

True if the id of the phy layer from which obtain the statistics is a valid one.

Referenced by command(), retrieveInstantNoise(), and sendStatsClMsg().

The documentation for this class was generated from the following files:

DESERT_Addons/security/uwflooding_sec/uwflooding-sec.h
DESERT_Addons/security/uwflooding_sec/uwflooding-sec.cpp

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Private Types

Private Member Functions

Private Attributes

Friends

Detailed Description

Member Typedef Documentation

◆ map_forwarded_packets

◆ map_packets

◆ neighbor_map

◆ neighbor_timer_map

Constructor & Destructor Documentation

◆ UwFloodingSec() [1/2]

◆ ~UwFloodingSec()

◆ UwFloodingSec() [2/2]

Member Function Documentation

◆ addToNeighbor()

◆ checkUnconfirmedPkt()

◆ command()

◆ getTTL()

◆ printIP()

◆ printNeighbor()

◆ recv()

◆ recvAsyncClMsg()

◆ recvSyncClMsg()

◆ retrieveInstantNoise()

◆ sendDown()

◆ sendStatsClMsg()

◆ str2addr()

◆ writePathInTrace()

Friends And Related Symbol Documentation

◆ NeighborReputationHandler

Member Data Documentation

◆ alpha_snr

◆ fwd_to

◆ ipAddr_

◆ maximum_cache_time_

◆ my_forwarded_packets_

◆ neighbor

◆ neighbor_tmr

◆ optimize_

◆ osstream_

◆ packets_forwarded_

◆ prev_hop_temp

◆ reputation

◆ stats_phy_id

◆ trace_file_path_

◆ trace_file_path_name_

◆ trace_path_

◆ ttl_

◆ ttl_traffic_map

◆ use_reputation

◆ valid_phy_id