contiki/core/net/simple-udp.h

95 lines
3.2 KiB
C

/**
* \addtogroup uip
* @{
*/
/**
* \defgroup simple-udp
*
* The default Contiki UDP API is difficult to use. The simple-udp
* module provides a significantly simpler API.
*
* @{
*/
/*
* Copyright (c) 2011, 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.
*
* \file
* Header file for the simple-udp module.
* \author
* Adam Dunkels <adam@sics.se>
*
*/
#ifndef SIMPLE_UDP_H
#define SIMPLE_UDP_H
#include "net/uip.h"
struct simple_udp_connection;
typedef void (* simple_udp_callback)(struct simple_udp_connection *c,
const uip_ipaddr_t *source_addr,
uint16_t source_port,
const uip_ipaddr_t *dest_addr,
uint16_t dest_port,
const uint8_t *data, uint16_t datalen);
struct simple_udp_connection {
struct simple_udp_connection *next;
uip_ipaddr_t remote_addr;
uint16_t remote_port, local_port;
simple_udp_callback receive_callback;
struct uip_udp_conn *udp_conn;
struct process *client_process;
};
int simple_udp_register(struct simple_udp_connection *c,
uint16_t local_port,
uip_ipaddr_t *remote_addr,
uint16_t remote_port,
simple_udp_callback receive_callback);
int simple_udp_send(struct simple_udp_connection *c,
const void *data, uint16_t datalen);
int simple_udp_sendto(struct simple_udp_connection *c,
const void *data, uint16_t datalen,
const uip_ipaddr_t *to);
void simple_udp_init(void);
#endif /* SIMPLE_UDP_H */
/** @} */
/** @} */