servreg-hack.c File Reference

    Implementation of the servreg-hack application

Author

Adam Dunkels adam@.nosp@m.sics.nosp@m..se

#include "contiki.h"
#include "contiki-lib.h"
#include "contiki-net.h"
#include "net/ip/uip.h"
#include "net/ipv6/uip-ds6.h"
#include "servreg-hack.h"
#include <stdio.h>

Data Structures
struct	servreg_hack_registration

Macros
#define	LIFETIME   10 * 60 * CLOCK_SECOND
#define	MAX_BUFSIZE   2 + 80
#define	MAX_REGISTRATIONS   16
#define	MSG_ADDRS_LEN   20
#define	MSG_ADDRS_OFFSET   2
#define	MSG_FLAGS_OFFSET   1
#define	MSG_IPADDR_SUBOFFSET   0
#define	MSG_NUMREGS_OFFSET   0
#define	MSG_REGS_SUBOFFSET   16
#define	MSG_SEQNO_SUBOFFSET   19
#define	NEW_REG_TIME   10 * CLOCK_SECOND
#define	PERIOD_TIME   40 * CLOCK_SECOND
#define	SEQNO_LT(a, b)   ((signed char)((a) - (b)) < 0)
#define	UDP_PORT   61616

Functions
static void	handle_incoming_reg (const uip_ipaddr_t *owner, servreg_hack_id_t id, uint8_t seqno)
	LIST (others_services)
	LIST (own_services)
	MEMB (registrations, struct servreg_hack_registration, MAX_REGISTRATIONS)
static void	parse_incoming_packet (const uint8_t *buf, int len)
	PROCESS (servreg_hack_process,"Service regstry hack")
	PROCESS_THREAD (servreg_hack_process, ev, data)
static void	purge_registrations (void)
static void	send_udp_packet (struct uip_udp_conn *conn)
void	servreg_hack_init (void)
	Initialize and start the servreg-hack application. More...
uip_ipaddr_t *	servreg_hack_item_address (servreg_hack_item_t *item)
	Get the IP address for a list item. More...
servreg_hack_id_t	servreg_hack_item_id (servreg_hack_item_t *item)
	Get the service ID for a list item. More...
servreg_hack_item_t *	servreg_hack_list_head (void)
	Obtain the list of services provided by neighbors. More...
uip_ipaddr_t *	servreg_hack_lookup (servreg_hack_id_t service_id)
	Get the IP address of a node offering a service. More...
void	servreg_hack_register (servreg_hack_id_t service_id, const uip_ipaddr_t *addr)
	Register that this node provides a service. More...

Variables
static struct etimer	sendtimer
static uint8_t	started = 0