fnet_sntp.h

/**************************************************************************
*
* Copyright 2017-2018 by Andrey Butok. FNET Community.
*
***************************************************************************
*
*  Licensed under the Apache License, Version 2.0 (the "License"); you may
*  not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
*  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*
***************************************************************************
*
*  SNTP Client API.
*
***************************************************************************/

#ifndef _FNET_SNTP_H_

#define _FNET_SNTP_H_

#if FNET_CFG_SNTP || defined(__DOXYGEN__)

/**************************************************************************/ 
typedef struct
{
    fnet_uint32_t   seconds;            
    fnet_uint32_t   seconds_fraction;   
} fnet_sntp_timestamp_t;

/**************************************************************************/ 
typedef struct
{
    fnet_uint32_t   year;                
    fnet_uint32_t   month;               
    fnet_uint32_t   day;                 
    fnet_uint32_t   hour;                
    fnet_uint32_t   minute;              
    fnet_uint32_t   second;              
    fnet_uint32_t   millisecond;         
} fnet_sntp_utc_t;

/**************************************************************************/ 
typedef void(*fnet_sntp_callback_resolved_t)(const fnet_sntp_timestamp_t *timestamp, void *cookie);

/**************************************************************************/ 
typedef struct
{
    struct fnet_sockaddr            sntp_server_addr;   
    fnet_sntp_callback_resolved_t   callback;          
    void                            *cookie;            
} fnet_sntp_params_t;

#if defined(__cplusplus)
extern "C" {
#endif

/***************************************************************************/ 
fnet_return_t fnet_sntp_init( fnet_sntp_params_t *params );

/***************************************************************************/ 
void fnet_sntp_release(void);

/***************************************************************************/ 
void fnet_sntp_timestamp2utc(const fnet_sntp_timestamp_t *timestamp, fnet_sntp_utc_t *utc);

#if defined(__cplusplus)
}
#endif

#endif /* FNET_CFG_SNTP */

#endif /* _FNET_SNTP_H_ */