/****************************************************************************

Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.

This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
be copied by any method or incorporated into another program without
the express written consent of Aerospace C.Power. This Information or any portion
thereof remains the property of Aerospace C.Power. The Information contained herein
is believed to be accurate and Aerospace C.Power assumes no responsibility or
liability for its use in any way and conveys no license or title under
any patent or copyright and makes no representation or warranty that this
Information is free from patent or copyright infringement.

****************************************************************************/

#ifndef OS_SHIM_COMMUNICATOR_H
#define OS_SHIM_COMMUNICATOR_H

/* FreeRTOS includes */
#include "FreeRTOS.h"
#include "task.h"

#include "FreeRTOS_IP.h"
#include "FreeRTOS_Sockets.h"
#include "FreeRTOS_IP_Private.h"
/* os shim includes */
#include "os_types.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef Socket_t os_socket_t;
typedef struct freertos_sockaddr os_sock_addr;

#define RTOS_MAX_UDP_PAYLOAD 2*ipMAX_UDP_PAYLOAD_LENGTH
#define OS_INVALID_SOCKET FREERTOS_INVALID_SOCKET
#define OS_TICK pdMS_TO_TICKS 
#define os_htons FreeRTOS_htons
#define os_ntoa( ulIPAddress, pucBuffer )									\
			iot_sprintf( ( char * ) ( pucBuffer ), "%u.%u.%u.%u",			\
				( ( unsigned ) ( ( ulIPAddress ) & 0xffUL ) ),			\
				( ( unsigned ) ( ( ( ulIPAddress ) >> 8 ) & 0xffUL ) ),	\
				( ( unsigned ) ( ( ( ulIPAddress ) >> 16 ) & 0xffUL ) ),\
				( ( unsigned ) ( ( ulIPAddress ) >> 24 ) ) )


typedef enum _sock_protocol {
    UDP,
    TCP
}sock_protocol_t;

os_socket_t os_udpsocket();
uint32_t os_setsock_recvtimeout_opt(os_socket_t socket, uint32_t timeout);
uint32_t os_sock_bind(os_socket_t socket, os_sock_addr addr);
uint32_t os_close_socket(os_socket_t socket);
void get_local_address_configuration(uint32_t *ipaddress,
    uint32_t *netmask, uint32_t *gateway, uint32_t *dnsserver);
int32_t os_recv_from(os_socket_t socket, void* buffer, size_t len, 
    uint32_t flags, os_sock_addr* sockaddr, uint32_t *addrlen);
int32_t os_sendto(os_socket_t socket, void* buffer, size_t len, uint32_t flags,
    const os_sock_addr* destaddr, uint32_t addrlen);


#ifdef __cplusplus
}
#endif

#endif /* OS_SHIM_COMMUNICATOR_H */