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

net/udp.h@2:e8e09adc41fc, 2010-10-12 (annotated)

Committer:
etherealflaim
Date:
Tue Oct 12 06:10:41 2010 +0000
Revision:
2:e8e09adc41fc
Parent:
0:d494b853ce97
Child:
4:88fc7fa58931
Finished documentation for net/ directory

Who changed what in which revision?

UserRevisionLine numberNew contents of line
etherealflaim 0:d494b853ce97 1 #ifndef UDP_H
etherealflaim 0:d494b853ce97 2 #define UDP_H
etherealflaim 0:d494b853ce97 3
etherealflaim 0:d494b853ce97 4 #include "net.h"
etherealflaim 0:d494b853ce97 5
etherealflaim 2:e8e09adc41fc 6 /// \file UDP packet
etherealflaim 2:e8e09adc41fc 7
etherealflaim 0:d494b853ce97 8 #define IPPROTO_UDP 0x11
etherealflaim 2:e8e09adc41fc 9
etherealflaim 2:e8e09adc41fc 10 /// UDP Packet memory map
etherealflaim 0:d494b853ce97 11 typedef struct {
etherealflaim 0:d494b853ce97 12 u16 source_port;
etherealflaim 0:d494b853ce97 13 u16 destination_port;
etherealflaim 0:d494b853ce97 14 u16 length; // entire datagram in bytes
etherealflaim 0:d494b853ce97 15 u16 checksum;
etherealflaim 0:d494b853ce97 16 u8 data[];
etherealflaim 0:d494b853ce97 17 } UDP_Packet;
etherealflaim 0:d494b853ce97 18
etherealflaim 2:e8e09adc41fc 19 /// Convert from wire to host or host to wire endianness
etherealflaim 0:d494b853ce97 20 inline void fix_endian_udp(UDP_Packet *segment)
etherealflaim 0:d494b853ce97 21 {
etherealflaim 0:d494b853ce97 22 fix_endian_u16(&segment->source_port);
etherealflaim 0:d494b853ce97 23 fix_endian_u16(&segment->destination_port);
etherealflaim 0:d494b853ce97 24 fix_endian_u16(&segment->length);
etherealflaim 0:d494b853ce97 25 }
etherealflaim 0:d494b853ce97 26
etherealflaim 2:e8e09adc41fc 27 /// Print the UDP packet
etherealflaim 0:d494b853ce97 28 inline void print_udp(UDP_Packet *segment)
etherealflaim 0:d494b853ce97 29 {
etherealflaim 0:d494b853ce97 30 main_log.printf("UDP Packet:");
etherealflaim 0:d494b853ce97 31 main_log.printf(" Source: PORT %d", segment->source_port);
etherealflaim 0:d494b853ce97 32 main_log.printf(" Dest: PORT %d", segment->destination_port);
etherealflaim 0:d494b853ce97 33 main_log.printf(" Length: %d", segment->length);
etherealflaim 0:d494b853ce97 34 }
etherealflaim 0:d494b853ce97 35
etherealflaim 0:d494b853ce97 36 #endif