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 *    such product, must reproduce the above copyright notice, this list of
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 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
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 * 4. This software, with or without modification, must only be used with a
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/** @file tftp_dfu.h
 *
 * @defgroup tftp_dfu TFTP transport for Background DFU
 * @ingroup iot_tftp_dfu
 * @{
 * @brief TFTP transport for Background DFU.
 *
 */

#ifndef TFTP_DFU_H_
#define TFTP_DFU_H_

#include <stdint.h>
#include "iot_defines.h"

/** @brief Initialize DFU client.
 *
 * @returns NRF_SUCCESS if DFU procedure started. Otherwise an error code indicating problem.
 */
uint32_t tftp_dfu_init(void);

/** @brief Trigger DFU.
 *
 * @param[in]  p_host_ipv6  IPv6 address of TFTP host.
 * @param[in]  src_port     Source UDP port used by TFTP service.
 * @param[in]  dst_port     Destination UDP port used by TFTP service.
 *
 * @returns NRF_SUCCESS if DFU procedure started. Otherwise an error code indicating problem.
 */
uint32_t tftp_dfu_trigger(const ipv6_addr_t * p_host_ipv6, uint16_t src_port, uint16_t dst_port);

/** @brief Handle DFU error.
 *
 *  This function can be implemented in the application to undertake application-specific action on DFU error.
 */
extern void tftp_dfu_handle_error(void);

#endif /* TFTP_DFU_H_ */

/** @} */