Tree-based hop-by-hop reliable data collection

The collect module implements a hop-by-hop reliable data collection mechanism.

Channels

The collect module uses 2 channels; one for neighbor discovery and one for data packets.

Data Structures
struct	collect_callbacks
struct	collect_conn

Files
file	collect.h
	Header file for hop-by-hop reliable data collection

Macros
#define	COLLECT_ANNOUNCEMENTS   1
#define	COLLECT_ATTRIBUTES
#define	COLLECT_HOPS_BITS   4
#define	COLLECT_MAX_DEPTH   (COLLECT_LINK_ESTIMATE_UNIT * 64 - 1)
#define	COLLECT_MAX_REXMIT_BITS   5
#define	COLLECT_PACKET_ID_BITS   8
#define	COLLECT_TTL_BITS   4

Enumerations
enum	{   COLLECT_NO_ROUTER,   COLLECT_ROUTER }

Functions
void	collect_close (struct collect_conn *c)
int	collect_depth (struct collect_conn *c)
void	collect_open (struct collect_conn *c, uint16_t channels, uint8_t is_router, const struct collect_callbacks *callbacks)
const linkaddr_t *	collect_parent (struct collect_conn *c)
void	collect_print_stats (void)
int	collect_send (struct collect_conn *c, int rexmits)
void	collect_set_keepalive (struct collect_conn *c, clock_time_t period)
void	collect_set_sink (struct collect_conn *c, int should_be_sink)

#define COLLECT_ANNOUNCEMENTS   1

#define COLLECT_ATTRIBUTES

Value:

{ PACKETBUF_ADDR_ESENDER,     PACKETBUF_ADDRSIZE }, \
                            { PACKETBUF_ATTR_EPACKET_ID,  PACKETBUF_ATTR_BIT * COLLECT_PACKET_ID_BITS }, \
                            { PACKETBUF_ATTR_PACKET_ID,   PACKETBUF_ATTR_BIT * COLLECT_PACKET_ID_BITS }, \
                            { PACKETBUF_ATTR_TTL,         PACKETBUF_ATTR_BIT * COLLECT_TTL_BITS }, \
                            { PACKETBUF_ATTR_HOPS,        PACKETBUF_ATTR_BIT * COLLECT_HOPS_BITS }, \
                            { PACKETBUF_ATTR_MAX_REXMIT,  PACKETBUF_ATTR_BIT * COLLECT_MAX_REXMIT_BITS }, \
                            { PACKETBUF_ATTR_PACKET_TYPE, PACKETBUF_ATTR_BIT }, \
                            UNICAST_ATTRIBUTES

#define COLLECT_HOPS_BITS   4

#define COLLECT_MAX_DEPTH   (COLLECT_LINK_ESTIMATE_UNIT * 64 - 1)

#define COLLECT_MAX_REXMIT_BITS   5

#define COLLECT_PACKET_ID_BITS   8

#define COLLECT_TTL_BITS   4

anonymous enum

Enumerator
COLLECT_NO_ROUTER
COLLECT_ROUTER

void collect_close

(

struct collect_conn *

c

)

int collect_depth

(

struct collect_conn *

c

)

void collect_open	(	struct collect_conn *	c,
		uint16_t	channels,
		uint8_t	is_router,
		const struct collect_callbacks *	callbacks
	)

const linkaddr_t* collect_parent

(

struct collect_conn *

c

)

void collect_print_stats

(

void

)

int collect_send	(	struct collect_conn *	c,
		int	rexmits
	)

void collect_set_keepalive	(	struct collect_conn *	c,
		clock_time_t	period
	)

void collect_set_sink	(	struct collect_conn *	c,
		int	should_be_sink
	)