trickle.h

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/*
 * Copyright (c) 2007, Swedish Institute of Computer Science.
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/**
 * \file
 *         Header file for Trickle (reliable single source flooding) for Rime
 * \author
 *         Adam Dunkels <adam@sics.se>
 */

/**
 * \addtogroup rime
 * @{
 */

/**
 * \defgroup trickle Reliable single-source multi-hop flooding
 * @{
 *
 * The trickle module sends a single packet to all nodes on the network.
 *
 * \section channels Channels
 *
 * The trickle module uses 1 channel.
 *
 */

#ifndef TRICKLE_H_
#define TRICKLE_H_

#include "sys/ctimer.h"

#include "net/rime/broadcast.h"
#include "net/queuebuf.h"

#define TRICKLE_ATTRIBUTES  { PACKETBUF_ATTR_EPACKET_ID, PACKETBUF_ATTR_BIT * 8 },\
                            BROADCAST_ATTRIBUTES

struct trickle_conn;

struct trickle_callbacks {
  void (* recv)(struct trickle_conn *c);
};

struct trickle_conn {
  struct broadcast_conn c;
  const struct trickle_callbacks *cb;
  struct ctimer t, interval_timer, first_transmission_timer;
  struct pt pt;
  struct queuebuf *q;
  clock_time_t interval;
  uint8_t seqno;
  uint8_t interval_scaling;
  uint8_t duplicates;
};

void trickle_open(struct trickle_conn *c, clock_time_t interval,
                  uint16_t channel, const struct trickle_callbacks *cb);
void trickle_close(struct trickle_conn *c);

void trickle_send(struct trickle_conn *c);

#endif /* TRICKLE_H_ */
/** @} */
/** @} */