Rreq

Namespace inet::aodv

Rreq

class

Represents an AODV Route Request

Extends

Name Type Description
AodvControlPacket (unknown -- not in documented files)

Fields

Name Type Description
joinFlag bool

chunkLength = B(24) or B(48) packetType = RREQ or RREQ_IPv6

repairFlag bool

Repair flag; reserved for multicast.

gratuitousRREPFlag bool

Gratuitous RREP flag; indicates whether a gratuitous RREP should be unicast to the node specified in the Destination IP Address field

destOnlyFlag bool

Destination only flag; indicates only the destination may respond to this RREQ

unknownSeqNumFlag bool

Unknown sequence number; indicates the destination sequence number is unknown

reserved uint16_t

Sent as 0; ignored on reception.

hopCount unsigned int

The number of hops from the Originator IP Address to the node handling the request.

rreqId uint32_t

A sequence number uniquely identifying the particular RREQ when taken in conjunction with the originating node's IP address.

destAddr L3Address

The IP address of the destination for which a route is desired.

destSeqNum uint32_t

The latest sequence number received in the past by the originator for any route towards the destination.

originatorAddr L3Address

The IP address of the node which originated the Route Request.

originatorSeqNum uint32_t

The current sequence number to be used in the route entry pointing towards the originator of the route request.

Packet operations (observed)

actionmodule
PacketAodv

Source code

//
// Represents an AODV Route Request
//
class Rreq extends AodvControlPacket
{
    // chunkLength = B(24) or B(48)
    // packetType = RREQ or RREQ_IPv6
    bool joinFlag;    // Join flag; reserved for multicast.
    bool repairFlag;    // Repair flag; reserved for multicast.
    bool gratuitousRREPFlag;    // Gratuitous RREP flag; indicates whether a gratuitous RREP should be unicast to the node specified in the Destination IP Address field
    bool destOnlyFlag;    // Destination only flag; indicates only the destination may respond to this RREQ
    bool unknownSeqNumFlag;    // Unknown sequence number; indicates the destination sequence number is unknown
    uint16_t reserved = 0;    // Sent as 0; ignored on reception.
    unsigned int hopCount;    // The number of hops from the Originator IP Address to the node handling the request.
    uint32_t rreqId;    // A sequence number uniquely identifying the particular RREQ when taken in conjunction with the originating node's IP address.
    L3Address destAddr;    // The IP address of the destination for which a route is desired.
    uint32_t destSeqNum;    // The latest sequence number received in the past by the originator for any route towards the destination.
    L3Address originatorAddr;    // The IP address of the node which originated the Route Request.
    uint32_t originatorSeqNum;    // The current sequence number to be used in the route entry pointing towards the originator of the route request.
}

File: src/inet/routing/aodv/AodvControlPackets.msg