sntp.h

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/*
 * Copyright (c) 2017 Linaro Limited
 * Copyright (c) 2019 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_NET_SNTP_H_
#define ZEPHYR_INCLUDE_NET_SNTP_H_
 
#ifdef CONFIG_NET_SOCKETS_POSIX_NAMES
#include <net/socket.h>
#else
#include <posix/sys/socket.h>
#include <posix/unistd.h>
#include <posix/poll.h>
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct sntp_ctx {
        struct {
                struct pollfd fds[1];
                int nfds;
                int fd;
        } sock;
 
        uint32_t expected_orig_ts;
};
 
struct sntp_time {
        uint64_t seconds;
        uint32_t fraction;
};
 
int sntp_init(struct sntp_ctx *ctx, struct sockaddr *addr,
              socklen_t addr_len);
 
int sntp_query(struct sntp_ctx *ctx, uint32_t timeout,
               struct sntp_time *time);
 
void sntp_close(struct sntp_ctx *ctx);
 
int sntp_simple(const char *server, uint32_t timeout,
                struct sntp_time *time);
 
#ifdef __cplusplus
}
#endif
 
#endif