ntp_packet.hpp File Reference

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Classes
struct	time_shield::detail::NtpPacket
	NTP packet layout (48 bytes). More...

Namespaces
namespace	time_shield
	Main namespace for the Time Shield library.
namespace	time_shield::detail

Enumerations
enum	time_shield::detail::NtpProtoError {   time_shield::detail::NTP_EPROTO_BASE = -10000 , time_shield::detail::NTP_E_BAD_MODE = NTP_EPROTO_BASE - 1 , time_shield::detail::NTP_E_BAD_VERSION = NTP_EPROTO_BASE - 2 , time_shield::detail::NTP_E_BAD_LI = NTP_EPROTO_BASE - 3 ,   time_shield::detail::NTP_E_BAD_STRATUM = NTP_EPROTO_BASE - 4 , time_shield::detail::NTP_E_KOD = NTP_EPROTO_BASE - 5 , time_shield::detail::NTP_E_BAD_TS = NTP_EPROTO_BASE - 6 }
	Protocol-level error codes for NTP parsing. More...

Functions
static uint8_t	time_shield::detail::ntp_li (uint8_t li_vn_mode) noexcept
	Extract leap indicator from LI/VN/Mode field.
static uint8_t	time_shield::detail::ntp_vn (uint8_t li_vn_mode) noexcept
	Extract version number from LI/VN/Mode field.
static uint8_t	time_shield::detail::ntp_mode (uint8_t li_vn_mode) noexcept
	Extract mode from LI/VN/Mode field.
static uint64_t	time_shield::detail::ntp_frac_to_us (uint32_t frac_net) noexcept
	Convert NTP fractional seconds to microseconds.
static bool	time_shield::detail::ntp_ts_to_unix_us (uint32_t sec_net, uint32_t frac_net, uint64_t &out_us) noexcept
	Convert NTP timestamp parts to Unix microseconds.
static void	time_shield::detail::fill_client_packet (NtpPacket &pkt, uint64_t now_us)
	Fill an NTP client request packet using local time.
static bool	time_shield::detail::parse_server_packet (const NtpPacket &pkt, uint64_t arrival_us, int64_t &offset_us, int64_t &delay_us, int &stratum, int &out_error_code) noexcept
	Parse server response and compute offset and delay.