/*
 * ESPRESSIF MIT License
 *
 * Copyright (c) 2017 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
 *
 * Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
 * it is free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished
 * to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#ifndef __ESPCONN_UDP_H__
#define __ESPCONN_UDP_H__

#ifndef ESPCONN_UDP_DEBUG
#define ESPCONN_UDP_DEBUG LWIP_DBG_OFF
#endif

#include "espconn/espconn.h"

/******************************************************************************
 * FunctionName : espconn_udp_client
 * Description  : Initialize the client: set up a PCB and bind it to the port
 * Parameters   : pespconn -- the espconn used to build client
 * Returns      : none
*******************************************************************************/

extern sint8 espconn_udp_client(struct espconn* pespconn);

/******************************************************************************
 * FunctionName : espconn_udp_disconnect
 * Description  : A new incoming connection has been disconnected.
 * Parameters   : espconn -- the espconn used to disconnect with host
 * Returns      : none
*******************************************************************************/

extern void espconn_udp_disconnect(espconn_msg* pdiscon);

/******************************************************************************
 * FunctionName : espconn_udp_server
 * Description  : Initialize the server: set up a PCB and bind it to the port
 * Parameters   : pespconn -- the espconn used to build server
 * Returns      : none
*******************************************************************************/

extern sint8 espconn_udp_server(struct espconn* espconn);

/******************************************************************************
 * FunctionName : espconn_udp_sent
 * Description  : sent data for client or server
 * Parameters   : void *arg -- client or server to send
 *                uint8* psent -- Data to send
 *                uint16 length -- Length of data to send
 * Returns      : none
*******************************************************************************/

extern err_t espconn_udp_sent(void* arg, uint8* psent, uint16 length);

/******************************************************************************
 * FunctionName : espconn_udp_sendto
 * Description  : sent data for UDP
 * Parameters   : void *arg -- UDP to send
 * 				  uint8* psent -- Data to send
 *                uint16 length -- Length of data to send
 * Returns      : return espconn error code.
 * - ESPCONN_OK. Successful. No error occured.
 * - ESPCONN_MEM. Out of memory.
 * - ESPCONN_RTE. Could not find route to destination address.
 * - More errors could be returned by lower protocol layers.
*******************************************************************************/
extern err_t espconn_udp_sendto(void* arg, uint8* psent, uint16 length);

#endif /* __ESPCONN_UDP_H__ */