/*
 * Copyright (c) 2014-2019, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  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.
 *
 * *  Neither the name of Texas Instruments Incorporated 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
 */
/**
 *  \file network_api.h
 *
 *  \brief Interface header file containing prototypes and structures for
 *         network APIs.
 */

#ifndef NETWORK_APIS_H_
#define NETWORK_APIS_H_

/* ========================================================================== */
/*                             Include Files                                  */
/* ========================================================================== */

#ifdef __cplusplus
extern "C" {
#endif

/* ========================================================================== */
/*                           Macros & Typedefs                                */
/* ========================================================================== */
#define NETWORK_ERROR               (-(int32_t)1)
#define NETWORK_SUCCESS             (0)
#define htons(a)                    ( (((a)>>8)&0xffU) + (((a)<<8)&0xff00U) )
#define htonl(a)                    ((((a) & 0xff000000U) >> 24) | (((a) & 0x00ff0000U) >> 8) | \
                                    (((a) & 0x0000ff00U) << 8)  | (((a) & 0x000000ffU) << 24) )
#define ntohl(a)                    (htonl(a))
#define ntohs(a)                    (htons(a))


/* ========================================================================== */
/*                         Structure Declarations                             */
/* ========================================================================== */

typedef struct {

    SOCKET sockFd;
    /**< Server socket handle */

    SOCKET connectedSockFd;
    /**< socket handle of client that is connected */

    uint32_t port;
    /**< port on which server is listening */

    FDPOLLITEM pollitem[1U];
    /**< Polling structure to use with fdPoll() */

    uint32_t state;
    /**< State of server socket */
} Network_SockObj;

/* ========================================================================== */
/*                          Function Declarations                             */
/* ========================================================================== */

int32_t NetworkCreate(Network_SockObj *pObj);
int32_t NetworkDelete(Network_SockObj *pObj);
int32_t NetworkWritePayload(Network_SockObj *pObj, uint8_t  *bufAddr, uint32_t bufSize);
int32_t NetworkReadPayload(Network_SockObj *pObj, uint8_t  *bufAddr, uint32_t bufSize);

/* ========================================================================== */
/*                       Static Function Definitions                          */
/* ========================================================================== */

/* None */

#ifdef __cplusplus
}
#endif

#endif /* #ifndef NETWORK_APIS_H_ */

