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/*
* Copyright (C) 2016 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @defgroup emb6_conn_udp udp_conn wrapper for emb6
* @ingroup emb6
* @brief UDP conn for emb6
*
* For this implementation to receive with an open connection only with one
* thread at once. If you use @ref conn_udp_recvfrom() with more than one thread
* simultaneously, it will return `-EALREADY`.
*
* @{
*
* @file
* @brief UDP conn definitions
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#ifndef EMB6_CONN_UDP_H
#define EMB6_CONN_UDP_H
#include <stdint.h>
#include "kernel_types.h"
#include "mutex.h"
#include "net/ipv6/addr.h"
#include "uip.h"
#include "udp-socket.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief @ref net_conn_udp definition for emb6
*/
struct conn_udp {
struct udp_socket sock; /**< emb6 internal socket */
mutex_t mutex; /**< mutex for the connection */
kernel_pid_t waiting_thread; /**< thread waiting for an incoming packet
* on this connection */
struct {
uint16_t src_port; /**< source port */
const ipv6_addr_t *src; /**< source address */
const void *data; /**< data of received packet */
size_t datalen; /**< length of received packet data */
} recv_info; /**< info on received packet */
};
#ifdef __cplusplus
}
#endif
#endif /* EMB6_CONN_UDP_H */
/** @} */