125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
/**
|
|
* \addtogroup rime
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* \defgroup rimeibc Identified best-effort local area broadcast (ibc)
|
|
* @{
|
|
*
|
|
* The ibc module sends packets to all local area neighbors with an a
|
|
* header that identifies the sender.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2006, Swedish Institute of Computer Science.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
* $Id: ibc.h,v 1.7 2007/03/29 23:18:48 adamdunkels Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Header file for identified best-effort local area broadcast
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
#ifndef __IBC_H__
|
|
#define __IBC_H__
|
|
|
|
#include "net/rime/abc.h"
|
|
#include "net/rime/rimeaddr.h"
|
|
|
|
struct ibc_conn;
|
|
|
|
/**
|
|
* \brief Callback structure for abc
|
|
*
|
|
*/
|
|
struct ibc_callbacks {
|
|
/** Called when a packet has been received by the ibc module. */
|
|
void (* recv)(struct ibc_conn *ptr, rimeaddr_t *sender);
|
|
};
|
|
|
|
struct ibc_conn {
|
|
struct abc_conn c;
|
|
const struct ibc_callbacks *u;
|
|
};
|
|
|
|
/**
|
|
* \brief Set up an identified best-effort broadcast connection
|
|
* \param c A pointer to a struct ibc_conn
|
|
* \param channel The channel on which the connection will operate
|
|
* \param u A struct ibc_callbacks with function pointers to functions that will be called when a packet has been received
|
|
*
|
|
* This function sets up an ibc connection on the
|
|
* specified channel. The caller must have allocated the
|
|
* memory for the struct ibc_conn, usually by declaring it
|
|
* as a static variable.
|
|
*
|
|
* The struct ibc_callbacks pointer must point to a structure
|
|
* containing a pointer to a function that will be called
|
|
* when a packet arrives on the channel.
|
|
*
|
|
*/
|
|
void ibc_open(struct ibc_conn *c, u16_t channel,
|
|
const struct ibc_callbacks *u);
|
|
|
|
/**
|
|
* \brief Close an ibc connection
|
|
* \param c A pointer to a struct ibc_conn
|
|
*
|
|
* This function closes an ibc connection that has
|
|
* previously been opened with ibc_open().
|
|
*
|
|
* This function typically is called as an exit handler.
|
|
*
|
|
*/
|
|
void ibc_close(struct ibc_conn *c);
|
|
|
|
/**
|
|
* \brief Send an anonymous best-effort broadcast packet
|
|
* \param c The ibc connection on which the packet should be sent
|
|
* \retval Non-zero if the packet could be sent, zero otherwise
|
|
*
|
|
* This function sends an anonymous best-effort broadcast
|
|
* packet. The packet must be present in the rimebuf
|
|
* before this function is called.
|
|
*
|
|
* The parameter c must point to an abc connection that
|
|
* must have previously been set up with ibc_open().
|
|
*
|
|
*/
|
|
int ibc_send(struct ibc_conn *c);
|
|
|
|
#endif /* __IBC_H__ */
|
|
/** @} */
|
|
/** @} */
|