Kyle Lemons / Mbed 2 deprecated NetTool

This is a low-level network debugging utility that utilizes raw packet i/o to construct and deconstruct tcp, udp, ipv4, arp, and icmp packets over ethernet.

Dependencies:   mbed

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Sniffer Class Reference
Public Member Functions | Data Fields

Sniffer Class Reference

Demo - Ethernet Packet Sniffer. More...

#include <sniffer.h>

Public Member Functions

 Sniffer ()
 Constructor.
bool inject (void *data, unsigned int bytes)
 Inject the raw ethernet frame.
bool inject (Ethernet_MAC dest, u16 ethertype, void *packet, unsigned int bytes)
 Inject the raw payload into an ethernet frame with the given destination and ethertype.
void wait_for_data ()
 Wait until there is more data to receive.
void next ()
 Wait for an ethernet frame (will be stored in appropriate class member pointers)
void decode_ethernet (void *frame)
 Decode the given ethernet frame.
void decode_arp (ARP_Packet *packet)
 Decode the given ARP packet.
void decode_ip (IP_PacketHeader *packet)
 Decode the given IPv4 packet.
template<class T >
void attach_tcp (T *inst, void(T::*func)(TCP_SegmentHeader *tcp_packet, u32 data_bytes))
 Attach a member function to be called on all TCP packets.
void attach_tcp (void(*func)(TCP_SegmentHeader *tcp_packet, u32 data_bytes))
 Attach a non-member function to be called on all TCP packets.

Data Fields

Ethernet_FrameHeader * frame_header
 Ethernet Frame Header (incoming)
IP_PacketHeader * ip_packet
 IP Packet Header (incoming)
ARP_Packet * arp_packet
 ARP Packet (incoming)
TCP_SegmentHeader * tcp_packet
 TCP Packet (incoming)
UDP_Packet * udp_packet
 UDP Packet (incoming)
ICMP_Packet * icmp_packet
 ICMP Packet (incoming)
unsigned int data_bytes
 Generic - total data bytes.

Detailed Description

Demo - Ethernet Packet Sniffer.

Definition at line 53 of file sniffer.h.

Constructor & Destructor Documentation

Sniffer (  )

Constructor.

Definition at line 98 of file sniffer.h.

Member Function Documentation

void attach_tcp ( T *  inst,
void(T::*)(TCP_SegmentHeader *tcp_packet, u32 data_bytes)  func 
)

Attach a member function to be called on all TCP packets.

Definition at line 257 of file sniffer.h.

void attach_tcp ( void(*)(TCP_SegmentHeader *tcp_packet, u32 data_bytes)  func )

Attach a non-member function to be called on all TCP packets.

Definition at line 263 of file sniffer.h.

void decode_arp ( ARP_Packet *  packet )

Decode the given ARP packet.

Definition at line 209 of file sniffer.h.

void decode_ethernet ( void *  frame )

Decode the given ethernet frame.

Definition at line 189 of file sniffer.h.

void decode_ip ( IP_PacketHeader *  packet )

Decode the given IPv4 packet.

Definition at line 217 of file sniffer.h.

bool inject ( Ethernet_MAC  dest,
u16  ethertype,
void *  packet,
unsigned int  bytes 
)

Inject the raw payload into an ethernet frame with the given destination and ethertype.

Definition at line 118 of file sniffer.h.

bool inject ( void *  data,
unsigned int  bytes 
)

Inject the raw ethernet frame.

Definition at line 106 of file sniffer.h.

void next (  )

Wait for an ethernet frame (will be stored in appropriate class member pointers)

Definition at line 173 of file sniffer.h.

void wait_for_data (  )

Wait until there is more data to receive.

Definition at line 154 of file sniffer.h.

Field Documentation

ARP_Packet* arp_packet

ARP Packet (incoming)

Definition at line 82 of file sniffer.h.

unsigned int data_bytes

Generic - total data bytes.

Definition at line 94 of file sniffer.h.

Ethernet_FrameHeader* frame_header

Ethernet Frame Header (incoming)

Definition at line 76 of file sniffer.h.

ICMP_Packet* icmp_packet

ICMP Packet (incoming)

Definition at line 91 of file sniffer.h.

IP_PacketHeader* ip_packet

IP Packet Header (incoming)

Definition at line 79 of file sniffer.h.

TCP_SegmentHeader* tcp_packet

TCP Packet (incoming)

Definition at line 85 of file sniffer.h.

UDP_Packet* udp_packet

UDP Packet (incoming)

Definition at line 88 of file sniffer.h.

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