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refactor CUC again
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This commit is contained in:
Robin Müller 2024-03-14 12:49:59 +01:00
parent 83c84bb31d
commit 179e8b73b6
Signed by: muellerr
GPG Key ID: A649FB78196E3849
6 changed files with 389 additions and 410 deletions
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11
CHANGELOG.md
View File

@ -14,8 +14,9 @@ to check all the API changes in the **Changed** chapter.
## Fixed
- CUC timestamp was fixed to include leap second corrections because it is based on the TAI
time reference. Changed the `TimeReader` trait to allow specifying leap seconds which might
be necessary for some timestamps to enable other API.
time reference. The default CUC time object do not implement `CcsdsTimeProvider` anymore
because the trait methods require cached leap second information. This task is now performed
by the `cuc::CucTimeWithLeapSecs` which implements the trait.
## Added
@ -26,7 +27,10 @@ to check all the API changes in the **Changed** chapter.
## Changed
- Renamed `CcsdsTimeProvider::date_time` to `CcsdsTimeProvider::chrono_date_time`.
- Renamed `CcsdsTimeProvider::date_time` to `CcsdsTimeProvider::chrono_date_time`
- Renamed `CcsdsTimeCodes` to `CcsdsTimeCode`
- Renamed `cds::TimeProvider` to `cds::CdsTime`
- Renamed `cuc::TimeProviderCcsdsEpoch` to `cuc::CucTime`
- `UnixTimestamp` renamed to `UnixTime`
- `UnixTime` seconds are now private and can be retrieved using the `secs` member method.
- `UnixTime::new` renamed to `UnixTime::new_checked`.
@ -38,6 +42,7 @@ to check all the API changes in the **Changed** chapter.
implementation for the `subsec_millis` method.
- `CcsdsTimeProvider::date_time` renamed to `CcsdsTimeProvider::chrono_date_time`.
- Added `UnixTime::MIN`, `UnixTime::MAX` and `UnixTime::EPOCH`.
- Added `UnixTime::timelib_date_time`.
# [v0.11.0-rc.0] 2024-03-04

8
src/ecss/tm.rs
View File

@ -1097,7 +1097,7 @@ mod tests {
use super::*;
use crate::ecss::PusVersion::PusC;
use crate::time::cds::TimeProvider;
use crate::time::cds::CdsTime;
#[cfg(feature = "serde")]
use crate::time::CcsdsTimeProvider;
use crate::SpHeader;
@ -1136,7 +1136,7 @@ mod tests {
#[test]
fn test_basic_simple_api() {
let mut sph = SpHeader::tm_unseg(0x123, 0x234, 0).unwrap();
let time_provider = TimeProvider::new_with_u16_days(0, 0);
let time_provider = CdsTime::new_with_u16_days(0, 0);
let mut stamp_buf: [u8; 8] = [0; 8];
let pus_tm =
PusTmCreator::new_simple(&mut sph, 17, 2, &time_provider, &mut stamp_buf, None, true)
@ -1534,7 +1534,7 @@ mod tests {
#[cfg(feature = "serde")]
fn test_serialization_creator_serde() {
let mut sph = SpHeader::tm_unseg(0x123, 0x234, 0).unwrap();
let time_provider = TimeProvider::new_with_u16_days(0, 0);
let time_provider = CdsTime::new_with_u16_days(0, 0);
let mut stamp_buf: [u8; 8] = [0; 8];
let pus_tm =
PusTmCreator::new_simple(&mut sph, 17, 2, &time_provider, &mut stamp_buf, None, true)
@ -1549,7 +1549,7 @@ mod tests {
#[cfg(feature = "serde")]
fn test_serialization_reader_serde() {
let mut sph = SpHeader::tm_unseg(0x123, 0x234, 0).unwrap();
let time_provider = TimeProvider::new_with_u16_days(0, 0);
let time_provider = CdsTime::new_with_u16_days(0, 0);
let mut stamp_buf: [u8; 8] = [0; 8];
let pus_tm =
PusTmCreator::new_simple(&mut sph, 17, 2, &time_provider, &mut stamp_buf, None, true)

78
src/time/ascii.rs
View File

@ -2,11 +2,8 @@
//! [CCSDS 301.0-B-4](https://public.ccsds.org/Pubs/301x0b4e1.pdf) section 3.5 .
//! See [chrono::DateTime::format] for a usage example of the generated
//! [chrono::format::DelayedFormat] structs.
#[cfg(feature = "alloc")]
use chrono::{
format::{DelayedFormat, StrftimeItems},
DateTime, Utc,
};
#[cfg(all(feature = "alloc", feature = "chrono"))]
pub use alloc_mod_chrono::*;
/// Tuple of format string and formatted size for time code A.
///
@ -34,36 +31,41 @@ pub const FMT_STR_CODE_B_WITH_SIZE: (&str, usize) = ("%Y-%jT%T%.3f", 21);
/// Three digits are used for the decimal fraction and a terminator is added at the end.
pub const FMT_STR_CODE_B_TERMINATED_WITH_SIZE: (&str, usize) = ("%Y-%jT%T%.3fZ", 22);
/// Generates a time code formatter using the [FMT_STR_CODE_A_WITH_SIZE] format.
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub fn generate_time_code_a(date: &DateTime<Utc>) -> DelayedFormat<StrftimeItems<'static>> {
date.format(FMT_STR_CODE_A_WITH_SIZE.0)
}
#[cfg(all(feature = "alloc", feature = "chrono"))]
pub mod alloc_mod_chrono {
use super::*;
use chrono::{
format::{DelayedFormat, StrftimeItems},
DateTime, Utc,
};
/// Generates a time code formatter using the [FMT_STR_CODE_A_TERMINATED_WITH_SIZE] format.
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub fn generate_time_code_a_terminated(
date: &DateTime<Utc>,
) -> DelayedFormat<StrftimeItems<'static>> {
date.format(FMT_STR_CODE_A_TERMINATED_WITH_SIZE.0)
}
/// Generates a time code formatter using the [FMT_STR_CODE_A_WITH_SIZE] format.
#[cfg_attr(doc_cfg, doc(cfg(all(feature = "alloc", feature = "chrono"))))]
pub fn generate_time_code_a(date: &DateTime<Utc>) -> DelayedFormat<StrftimeItems<'static>> {
date.format(FMT_STR_CODE_A_WITH_SIZE.0)
}
/// Generates a time code formatter using the [FMT_STR_CODE_B_WITH_SIZE] format.
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub fn generate_time_code_b(date: &DateTime<Utc>) -> DelayedFormat<StrftimeItems<'static>> {
date.format(FMT_STR_CODE_B_WITH_SIZE.0)
}
/// Generates a time code formatter using the [FMT_STR_CODE_A_TERMINATED_WITH_SIZE] format.
#[cfg_attr(doc_cfg, doc(cfg(all(feature = "alloc", feature = "chrono"))))]
pub fn generate_time_code_a_terminated(
date: &DateTime<Utc>,
) -> DelayedFormat<StrftimeItems<'static>> {
date.format(FMT_STR_CODE_A_TERMINATED_WITH_SIZE.0)
}
/// Generates a time code formatter using the [FMT_STR_CODE_B_TERMINATED_WITH_SIZE] format.
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub fn generate_time_code_b_terminated(
date: &DateTime<Utc>,
) -> DelayedFormat<StrftimeItems<'static>> {
date.format(FMT_STR_CODE_B_TERMINATED_WITH_SIZE.0)
/// Generates a time code formatter using the [FMT_STR_CODE_B_WITH_SIZE] format.
#[cfg_attr(doc_cfg, doc(cfg(all(feature = "alloc", feature = "chrono"))))]
pub fn generate_time_code_b(date: &DateTime<Utc>) -> DelayedFormat<StrftimeItems<'static>> {
date.format(FMT_STR_CODE_B_WITH_SIZE.0)
}
/// Generates a time code formatter using the [FMT_STR_CODE_B_TERMINATED_WITH_SIZE] format.
#[cfg_attr(doc_cfg, doc(cfg(all(feature = "alloc", feature = "chrono"))))]
pub fn generate_time_code_b_terminated(
date: &DateTime<Utc>,
) -> DelayedFormat<StrftimeItems<'static>> {
date.format(FMT_STR_CODE_B_TERMINATED_WITH_SIZE.0)
}
}
#[cfg(test)]
@ -77,7 +79,7 @@ mod tests {
let date = Utc::now();
let stamp_formatter = generate_time_code_a(&date);
let stamp = format!("{}", stamp_formatter);
let t_sep = stamp.find("T");
let t_sep = stamp.find('T');
assert!(t_sep.is_some());
assert_eq!(t_sep.unwrap(), 10);
assert_eq!(stamp.len(), FMT_STR_CODE_A_WITH_SIZE.1);
@ -88,10 +90,10 @@ mod tests {
let date = Utc::now();
let stamp_formatter = generate_time_code_a_terminated(&date);
let stamp = format!("{}", stamp_formatter);
let t_sep = stamp.find("T");
let t_sep = stamp.find('T');
assert!(t_sep.is_some());
assert_eq!(t_sep.unwrap(), 10);
let z_terminator = stamp.find("Z");
let z_terminator = stamp.find('Z');
assert!(z_terminator.is_some());
assert_eq!(
z_terminator.unwrap(),
@ -105,7 +107,7 @@ mod tests {
let date = Utc::now();
let stamp_formatter = generate_time_code_b(&date);
let stamp = format!("{}", stamp_formatter);
let t_sep = stamp.find("T");
let t_sep = stamp.find('T');
assert!(t_sep.is_some());
assert_eq!(t_sep.unwrap(), 8);
assert_eq!(stamp.len(), FMT_STR_CODE_B_WITH_SIZE.1);
@ -116,10 +118,10 @@ mod tests {
let date = Utc::now();
let stamp_formatter = generate_time_code_b_terminated(&date);
let stamp = format!("{}", stamp_formatter);
let t_sep = stamp.find("T");
let t_sep = stamp.find('T');
assert!(t_sep.is_some());
assert_eq!(t_sep.unwrap(), 8);
let z_terminator = stamp.find("Z");
let z_terminator = stamp.find('Z');
assert!(z_terminator.is_some());
assert_eq!(
z_terminator.unwrap(),

302
src/time/cds.rs
View File

@ -31,15 +31,15 @@ use alloc::boxed::Box;
use core::any::Any;
#[cfg(feature = "serde")]
use serde::{Serialize, Deserialize};
use serde::{Deserialize, Serialize};
use super::{
ccsds_to_unix_days, unix_to_ccsds_days, CcsdsTimeCodes, CcsdsTimeProvider, TimeReader,
ccsds_to_unix_days, unix_to_ccsds_days, CcsdsTimeCode, CcsdsTimeProvider, TimeReader,
TimeWriter, TimestampError, UnixTime, MS_PER_DAY, SECONDS_PER_DAY,
};
/// Base value for the preamble field for a time field parser to determine the time field type.
pub const P_FIELD_BASE: u8 = (CcsdsTimeCodes::Cds as u8) << 4;
pub const P_FIELD_BASE: u8 = (CcsdsTimeCode::Cds as u8) << 4;
pub const MIN_CDS_FIELD_LEN: usize = 7;
pub const MAX_DAYS_24_BITS: u32 = 2_u32.pow(24) - 1;
@ -175,13 +175,13 @@ pub fn precision_from_pfield(pfield: u8) -> SubmillisPrecision {
/// }
/// // It is possible to add a Duration offset to a timestamp provider. Add 5 minutes offset here
/// let offset = Duration::from_secs(60 * 5);
/// let former_unix_seconds = timestamp_now.unix_seconds();
/// let former_unix_seconds = timestamp_now.unix_secs();
/// let timestamp_in_5_minutes = timestamp_now + offset;
/// assert_eq!(timestamp_in_5_minutes.unix_seconds(), former_unix_seconds + 5 * 60);
/// assert_eq!(timestamp_in_5_minutes.unix_secs(), former_unix_seconds + 5 * 60);
/// ```
#[derive(Debug, Copy, Clone, Eq)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct TimeProvider<DaysLen: ProvidesDaysLength = DaysLen16Bits> {
pub struct CdsTime<DaysLen: ProvidesDaysLength = DaysLen16Bits> {
pfield: u8,
ccsds_days: DaysLen::FieldType,
ms_of_day: u32,
@ -341,9 +341,7 @@ impl ConversionFromChronoDatetime {
) -> Result<Self, TimestampError> {
// The CDS timestamp does not support timestamps before the CCSDS epoch.
if dt.year() < 1958 {
return Err(TimestampError::DateBeforeCcsdsEpoch(UnixTime::from(
*dt,
)));
return Err(TimestampError::DateBeforeCcsdsEpoch(UnixTime::from(*dt)));
}
// The contained values in the conversion should be all positive now
let unix_conversion =
@ -440,10 +438,10 @@ impl CdsConverter for ConversionFromNow {
pub trait DynCdsTimeProvider: CcsdsTimeProvider + CdsTimestamp + TimeWriter + Any {}
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl DynCdsTimeProvider for TimeProvider<DaysLen16Bits> {}
impl DynCdsTimeProvider for CdsTime<DaysLen16Bits> {}
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl DynCdsTimeProvider for TimeProvider<DaysLen24Bits> {}
impl DynCdsTimeProvider for CdsTime<DaysLen24Bits> {}
/// This function returns the correct [TimeProvider] instance from a raw byte array
/// by checking the length of days field. It also checks the CCSDS time code for correctness.
@ -479,25 +477,25 @@ pub fn get_dyn_time_provider_from_bytes(
let time_code = ccsds_time_code_from_p_field(buf[0]);
if let Err(e) = time_code {
return Err(TimestampError::InvalidTimeCode {
expected: CcsdsTimeCodes::Cds,
expected: CcsdsTimeCode::Cds,
found: e,
});
}
let time_code = time_code.unwrap();
if time_code != CcsdsTimeCodes::Cds {
if time_code != CcsdsTimeCode::Cds {
return Err(TimestampError::InvalidTimeCode {
expected: CcsdsTimeCodes::Cds,
expected: CcsdsTimeCode::Cds,
found: time_code as u8,
});
}
if length_of_day_segment_from_pfield(buf[0]) == LengthOfDaySegment::Short16Bits {
Ok(Box::new(TimeProvider::from_bytes_with_u16_days(buf)?))
Ok(Box::new(CdsTime::from_bytes_with_u16_days(buf)?))
} else {
Ok(Box::new(TimeProvider::from_bytes_with_u24_days(buf)?))
Ok(Box::new(CdsTime::from_bytes_with_u24_days(buf)?))
}
}
impl<ProvidesDaysLen: ProvidesDaysLength> CdsCommon for TimeProvider<ProvidesDaysLen> {
impl<ProvidesDaysLen: ProvidesDaysLength> CdsCommon for CdsTime<ProvidesDaysLen> {
fn submillis_precision(&self) -> SubmillisPrecision {
precision_from_pfield(self.pfield)
}
@ -515,7 +513,7 @@ impl<ProvidesDaysLen: ProvidesDaysLength> CdsCommon for TimeProvider<ProvidesDay
}
}
impl<ProvidesDaysLen: ProvidesDaysLength> TimeProvider<ProvidesDaysLen> {
impl<ProvidesDaysLen: ProvidesDaysLength> CdsTime<ProvidesDaysLen> {
/// Please note that a precision value of 0 will be converted to [None] (no precision).
pub fn set_submillis(&mut self, prec: SubmillisPrecision, value: u32) -> bool {
self.pfield &= !(0b11);
@ -574,19 +572,19 @@ impl<ProvidesDaysLen: ProvidesDaysLength> TimeProvider<ProvidesDaysLen> {
));
}
let pfield = buf[0];
match CcsdsTimeCodes::try_from(pfield >> 4 & 0b111) {
match CcsdsTimeCode::try_from(pfield >> 4 & 0b111) {
Ok(cds_type) => match cds_type {
CcsdsTimeCodes::Cds => (),
CcsdsTimeCode::Cds => (),
_ => {
return Err(TimestampError::InvalidTimeCode {
expected: CcsdsTimeCodes::Cds,
expected: CcsdsTimeCode::Cds,
found: cds_type as u8,
})
}
},
_ => {
return Err(TimestampError::InvalidTimeCode {
expected: CcsdsTimeCodes::Cds,
expected: CcsdsTimeCode::Cds,
found: pfield >> 4 & 0b111,
});
}
@ -710,11 +708,8 @@ impl<ProvidesDaysLen: ProvidesDaysLength> TimeProvider<ProvidesDaysLen> {
days_len: LengthOfDaySegment,
submillis_prec: SubmillisPrecision,
) -> Result<Self, TimestampError> {
let conv_from_dt = ConversionFromUnix::new(
unix_stamp.secs,
unix_stamp.subsec_nanos,
submillis_prec,
)?;
let conv_from_dt =
ConversionFromUnix::new(unix_stamp.secs, unix_stamp.subsec_nanos, submillis_prec)?;
Self::generic_from_conversion(days_len, conv_from_dt)
}
@ -806,7 +801,7 @@ impl<ProvidesDaysLen: ProvidesDaysLength> TimeProvider<ProvidesDaysLen> {
}
}
impl TimeProvider<DaysLen24Bits> {
impl CdsTime<DaysLen24Bits> {
/// Generate a new timestamp provider with the days field width set to 24 bits
pub fn new_with_u24_days(ccsds_days: u32, ms_of_day: u32) -> Result<Self, CdsError> {
if ccsds_days > MAX_DAYS_24_BITS {
@ -907,7 +902,7 @@ impl TimeProvider<DaysLen24Bits> {
}
}
impl TimeProvider<DaysLen16Bits> {
impl CdsTime<DaysLen16Bits> {
/// Generate a new timestamp provider with the days field width set to 16 bits
pub fn new_with_u16_days(ccsds_days: u16, ms_of_day: u32) -> Self {
// This should never fail, type system ensures CCSDS can not be negative or too large
@ -1005,7 +1000,7 @@ impl TimeProvider<DaysLen16Bits> {
}
fn add_for_max_ccsds_days_val<T: ProvidesDaysLength>(
time_provider: &TimeProvider<T>,
time_provider: &CdsTime<T>,
max_days_val: u32,
duration: Duration,
) -> (u32, u32, u32) {
@ -1079,13 +1074,13 @@ fn add_for_max_ccsds_days_val<T: ProvidesDaysLength>(
(next_ccsds_days, next_ms_of_day, submillis)
}
impl CdsTimestamp for TimeProvider<DaysLen16Bits> {
impl CdsTimestamp for CdsTime<DaysLen16Bits> {
fn len_of_day_seg(&self) -> LengthOfDaySegment {
LengthOfDaySegment::Short16Bits
}
}
impl CdsTimestamp for TimeProvider<DaysLen24Bits> {
impl CdsTimestamp for CdsTime<DaysLen24Bits> {
fn len_of_day_seg(&self) -> LengthOfDaySegment {
LengthOfDaySegment::Long24Bits
}
@ -1094,7 +1089,7 @@ impl CdsTimestamp for TimeProvider<DaysLen24Bits> {
/// Allows adding an duration in form of an offset. Please note that the CCSDS days will rollover
/// when they overflow, because addition needs to be infallible. The user needs to check for a
/// days overflow when this is a possibility and might be a problem.
impl Add<Duration> for TimeProvider<DaysLen16Bits> {
impl Add<Duration> for CdsTime<DaysLen16Bits> {
type Output = Self;
fn add(self, duration: Duration) -> Self::Output {
@ -1106,8 +1101,8 @@ impl Add<Duration> for TimeProvider<DaysLen16Bits> {
}
}
impl Add<Duration> for &TimeProvider<DaysLen16Bits> {
type Output = TimeProvider<DaysLen16Bits>;
impl Add<Duration> for &CdsTime<DaysLen16Bits> {
type Output = CdsTime<DaysLen16Bits>;
fn add(self, duration: Duration) -> Self::Output {
let (next_ccsds_days, next_ms_of_day, precision) =
@ -1121,7 +1116,7 @@ impl Add<Duration> for &TimeProvider<DaysLen16Bits> {
/// Allows adding an duration in form of an offset. Please note that the CCSDS days will rollover
/// when they overflow, because addition needs to be infallible. The user needs to check for a
/// days overflow when this is a possibility and might be a problem.
impl Add<Duration> for TimeProvider<DaysLen24Bits> {
impl Add<Duration> for CdsTime<DaysLen24Bits> {
type Output = Self;
fn add(self, duration: Duration) -> Self::Output {
@ -1133,8 +1128,8 @@ impl Add<Duration> for TimeProvider<DaysLen24Bits> {
}
}
impl Add<Duration> for &TimeProvider<DaysLen24Bits> {
type Output = TimeProvider<DaysLen24Bits>;
impl Add<Duration> for &CdsTime<DaysLen24Bits> {
type Output = CdsTime<DaysLen24Bits>;
fn add(self, duration: Duration) -> Self::Output {
let (next_ccsds_days, next_ms_of_day, precision) =
add_for_max_ccsds_days_val(self, MAX_DAYS_24_BITS, duration);
@ -1148,7 +1143,7 @@ impl Add<Duration> for &TimeProvider<DaysLen24Bits> {
/// Allows adding an duration in form of an offset. Please note that the CCSDS days will rollover
/// when they overflow, because addition needs to be infallible. The user needs to check for a
/// days overflow when this is a possibility and might be a problem.
impl AddAssign<Duration> for TimeProvider<DaysLen16Bits> {
impl AddAssign<Duration> for CdsTime<DaysLen16Bits> {
fn add_assign(&mut self, duration: Duration) {
let (next_ccsds_days, next_ms_of_day, submillis) =
add_for_max_ccsds_days_val(self, u16::MAX as u32, duration);
@ -1161,7 +1156,7 @@ impl AddAssign<Duration> for TimeProvider<DaysLen16Bits> {
/// Allows adding an duration in form of an offset. Please note that the CCSDS days will rollover
/// when they overflow, because addition needs to be infallible. The user needs to check for a
/// days overflow when this is a possibility and might be a problem.
impl AddAssign<Duration> for TimeProvider<DaysLen24Bits> {
impl AddAssign<Duration> for CdsTime<DaysLen24Bits> {
fn add_assign(&mut self, duration: Duration) {
let (next_ccsds_days, next_ms_of_day, submillis) =
add_for_max_ccsds_days_val(self, MAX_DAYS_24_BITS, duration);
@ -1172,7 +1167,7 @@ impl AddAssign<Duration> for TimeProvider<DaysLen24Bits> {
}
#[cfg(feature = "chrono")]
impl TryFrom<chrono::DateTime<chrono::Utc>> for TimeProvider<DaysLen16Bits> {
impl TryFrom<chrono::DateTime<chrono::Utc>> for CdsTime<DaysLen16Bits> {
type Error = TimestampError;
fn try_from(dt: chrono::DateTime<chrono::Utc>) -> Result<Self, Self::Error> {
@ -1182,7 +1177,7 @@ impl TryFrom<chrono::DateTime<chrono::Utc>> for TimeProvider<DaysLen16Bits> {
}
#[cfg(feature = "chrono")]
impl TryFrom<chrono::DateTime<chrono::Utc>> for TimeProvider<DaysLen24Bits> {
impl TryFrom<chrono::DateTime<chrono::Utc>> for CdsTime<DaysLen24Bits> {
type Error = TimestampError;
fn try_from(dt: chrono::DateTime<chrono::Utc>) -> Result<Self, Self::Error> {
@ -1191,7 +1186,7 @@ impl TryFrom<chrono::DateTime<chrono::Utc>> for TimeProvider<DaysLen24Bits> {
}
}
impl<ProvidesDaysLen: ProvidesDaysLength> CcsdsTimeProvider for TimeProvider<ProvidesDaysLen> {
impl<ProvidesDaysLen: ProvidesDaysLength> CcsdsTimeProvider for CdsTime<ProvidesDaysLen> {
fn len_as_bytes(&self) -> usize {
Self::calc_stamp_len(self.pfield)
}
@ -1200,8 +1195,8 @@ impl<ProvidesDaysLen: ProvidesDaysLength> CcsdsTimeProvider for TimeProvider<Pro
(1, [self.pfield, 0])
}
fn ccdsd_time_code(&self) -> CcsdsTimeCodes {
CcsdsTimeCodes::Cds
fn ccdsd_time_code(&self) -> CcsdsTimeCode {
CcsdsTimeCode::Cds
}
#[inline]
@ -1219,19 +1214,19 @@ impl<ProvidesDaysLen: ProvidesDaysLength> CcsdsTimeProvider for TimeProvider<Pro
}
}
impl TimeReader for TimeProvider<DaysLen16Bits> {
fn from_bytes_generic(buf: &[u8], _leap_seconds: Option<u32>) -> Result<Self, TimestampError> {
impl TimeReader for CdsTime<DaysLen16Bits> {
fn from_bytes(buf: &[u8]) -> Result<Self, TimestampError> {
Self::from_bytes_with_u16_days(buf)
}
}
impl TimeReader for TimeProvider<DaysLen24Bits> {
fn from_bytes_generic(buf: &[u8], _leap_seconds: Option<u32>) -> Result<Self, TimestampError> {
impl TimeReader for CdsTime<DaysLen24Bits> {
fn from_bytes(buf: &[u8]) -> Result<Self, TimestampError> {
Self::from_bytes_with_u24_days(buf)
}
}
impl TimeWriter for TimeProvider<DaysLen16Bits> {
impl TimeWriter for CdsTime<DaysLen16Bits> {
fn write_to_bytes(&self, buf: &mut [u8]) -> Result<usize, TimestampError> {
self.length_check(buf, self.len_as_bytes())?;
buf[0] = self.pfield;
@ -1254,7 +1249,7 @@ impl TimeWriter for TimeProvider<DaysLen16Bits> {
}
}
impl TimeWriter for TimeProvider<DaysLen24Bits> {
impl TimeWriter for CdsTime<DaysLen24Bits> {
fn write_to_bytes(&self, buf: &mut [u8]) -> Result<usize, TimestampError> {
self.length_check(buf, self.len_as_bytes())?;
buf[0] = self.pfield;
@ -1278,7 +1273,7 @@ impl TimeWriter for TimeProvider<DaysLen24Bits> {
}
}
impl<DaysLenProvider: ProvidesDaysLength> PartialEq for TimeProvider<DaysLenProvider> {
impl<DaysLenProvider: ProvidesDaysLength> PartialEq for CdsTime<DaysLenProvider> {
fn eq(&self, other: &Self) -> bool {
if self.ccsds_days == other.ccsds_days
&& self.ms_of_day == other.ms_of_day
@ -1290,7 +1285,7 @@ impl<DaysLenProvider: ProvidesDaysLength> PartialEq for TimeProvider<DaysLenProv
}
}
impl<DaysLenProvider: ProvidesDaysLength> PartialOrd for TimeProvider<DaysLenProvider> {
impl<DaysLenProvider: ProvidesDaysLength> PartialOrd for CdsTime<DaysLenProvider> {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
if self == other {
return Some(Ordering::Equal);
@ -1318,14 +1313,14 @@ impl<DaysLenProvider: ProvidesDaysLength> PartialOrd for TimeProvider<DaysLenPro
}
}
impl<DaysLenProvider: ProvidesDaysLength + Eq> Ord for TimeProvider<DaysLenProvider> {
impl<DaysLenProvider: ProvidesDaysLength + Eq> Ord for CdsTime<DaysLenProvider> {
fn cmp(&self, other: &Self) -> Ordering {
PartialOrd::partial_cmp(self, other).unwrap()
}
}
impl From<TimeProvider<DaysLen16Bits>> for TimeProvider<DaysLen24Bits> {
fn from(value: TimeProvider<DaysLen16Bits>) -> Self {
impl From<CdsTime<DaysLen16Bits>> for CdsTime<DaysLen24Bits> {
fn from(value: CdsTime<DaysLen16Bits>) -> Self {
// This function only fails if the days value exceeds 24 bits, which is not possible here,
// so it is okay to unwrap.
Self::new_with_u24_days(value.ccsds_days_as_u32(), value.ms_of_day()).unwrap()
@ -1333,9 +1328,9 @@ impl From<TimeProvider<DaysLen16Bits>> for TimeProvider<DaysLen24Bits> {
}
/// This conversion can fail if the days value exceeds 16 bits.
impl TryFrom<TimeProvider<DaysLen24Bits>> for TimeProvider<DaysLen16Bits> {
impl TryFrom<CdsTime<DaysLen24Bits>> for CdsTime<DaysLen16Bits> {
type Error = CdsError;
fn try_from(value: TimeProvider<DaysLen24Bits>) -> Result<Self, CdsError> {
fn try_from(value: CdsTime<DaysLen24Bits>) -> Result<Self, CdsError> {
let ccsds_days = value.ccsds_days_as_u32();
if ccsds_days > u16::MAX as u32 {
return Err(CdsError::InvalidCcsdsDays(ccsds_days as i64));
@ -1361,7 +1356,7 @@ mod tests {
#[test]
fn test_time_stamp_zero_args() {
let time_stamper = TimeProvider::new_with_u16_days(0, 0);
let time_stamper = CdsTime::new_with_u16_days(0, 0);
let unix_stamp = time_stamper.unix_stamp();
assert_eq!(
unix_stamp.secs,
@ -1374,10 +1369,10 @@ mod tests {
SubmillisPrecision::Absent
);
assert_eq!(time_stamper.subsec_nanos(), 0);
assert_eq!(time_stamper.ccdsd_time_code(), CcsdsTimeCodes::Cds);
assert_eq!(time_stamper.ccdsd_time_code(), CcsdsTimeCode::Cds);
assert_eq!(
time_stamper.p_field(),
(1, [(CcsdsTimeCodes::Cds as u8) << 4, 0])
(1, [(CcsdsTimeCode::Cds as u8) << 4, 0])
);
let date_time = time_stamper.chrono_date_time().unwrap();
assert_eq!(date_time.year(), 1958);
@ -1390,7 +1385,7 @@ mod tests {
#[test]
fn test_time_stamp_unix_epoch() {
let time_stamper = TimeProvider::new_with_u16_days((-DAYS_CCSDS_TO_UNIX) as u16, 0);
let time_stamper = CdsTime::new_with_u16_days((-DAYS_CCSDS_TO_UNIX) as u16, 0);
assert_eq!(time_stamper.unix_stamp().secs, 0);
assert_eq!(
time_stamper.submillis_precision(),
@ -1403,17 +1398,17 @@ mod tests {
assert_eq!(date_time.hour(), 0);
assert_eq!(date_time.minute(), 0);
assert_eq!(date_time.second(), 0);
let time_stamper = TimeProvider::new_with_u16_days((-DAYS_CCSDS_TO_UNIX) as u16, 40);
let time_stamper = CdsTime::new_with_u16_days((-DAYS_CCSDS_TO_UNIX) as u16, 40);
assert_eq!(time_stamper.subsec_nanos(), 40 * 10_u32.pow(6));
assert_eq!(time_stamper.subsec_millis(), 40);
let time_stamper = TimeProvider::new_with_u16_days((-DAYS_CCSDS_TO_UNIX) as u16, 1040);
let time_stamper = CdsTime::new_with_u16_days((-DAYS_CCSDS_TO_UNIX) as u16, 1040);
assert_eq!(time_stamper.subsec_nanos(), 40 * 10_u32.pow(6));
assert_eq!(time_stamper.subsec_millis(), 40);
}
#[test]
fn test_large_days_field_write() {
let time_stamper = TimeProvider::new_with_u24_days(0x108020_u32, 0x10203040);
let time_stamper = CdsTime::new_with_u24_days(0x108020_u32, 0x10203040);
assert!(time_stamper.is_ok());
let time_stamper = time_stamper.unwrap();
assert_eq!(time_stamper.len_as_bytes(), 8);
@ -1432,13 +1427,13 @@ mod tests {
#[test]
fn test_large_days_field_read() {
let time_stamper = TimeProvider::new_with_u24_days(0x108020_u32, 0);
let time_stamper = CdsTime::new_with_u24_days(0x108020_u32, 0);
assert!(time_stamper.is_ok());
let time_stamper = time_stamper.unwrap();
let mut buf = [0; 16];
let written = time_stamper.write_to_bytes(&mut buf);
assert!(written.is_ok());
let provider = TimeProvider::<DaysLen24Bits>::from_bytes(&buf);
let provider = CdsTime::<DaysLen24Bits>::from_bytes(&buf);
assert!(provider.is_ok());
let provider = provider.unwrap();
assert_eq!(provider.ccsds_days(), 0x108020);
@ -1447,13 +1442,13 @@ mod tests {
#[test]
fn test_large_days_field_read_invalid_ctor() {
let time_stamper = TimeProvider::new_with_u24_days(0x108020, 0);
let time_stamper = CdsTime::new_with_u24_days(0x108020, 0);
assert!(time_stamper.is_ok());
let time_stamper = time_stamper.unwrap();
let mut buf = [0; 16];
let written = time_stamper.write_to_bytes(&mut buf);
assert!(written.is_ok());
let faulty_ctor = TimeProvider::<DaysLen16Bits>::from_bytes(&buf);
let faulty_ctor = CdsTime::<DaysLen16Bits>::from_bytes(&buf);
assert!(faulty_ctor.is_err());
let error = faulty_ctor.unwrap_err();
if let TimestampError::Cds(CdsError::InvalidCtorForDaysOfLenInPreamble(len_of_day)) = error
@ -1467,7 +1462,7 @@ mod tests {
#[test]
fn test_write() {
let mut buf = [0; 16];
let time_stamper_0 = TimeProvider::new_with_u16_days(0, 0);
let time_stamper_0 = CdsTime::new_with_u16_days(0, 0);
let unix_stamp = time_stamper_0.unix_stamp();
assert_eq!(
unix_stamp.secs,
@ -1475,7 +1470,7 @@ mod tests {
);
let mut res = time_stamper_0.write_to_bytes(&mut buf);
assert!(res.is_ok());
assert_eq!(buf[0], (CcsdsTimeCodes::Cds as u8) << 4);
assert_eq!(buf[0], (CcsdsTimeCode::Cds as u8) << 4);
assert_eq!(
u16::from_be_bytes(buf[1..3].try_into().expect("Byte conversion failed")),
0
@ -1484,10 +1479,10 @@ mod tests {
u32::from_be_bytes(buf[3..7].try_into().expect("Byte conversion failed")),
0
);
let time_stamper_1 = TimeProvider::new_with_u16_days(u16::MAX - 1, u32::MAX - 1);
let time_stamper_1 = CdsTime::new_with_u16_days(u16::MAX - 1, u32::MAX - 1);
res = time_stamper_1.write_to_bytes(&mut buf);
assert!(res.is_ok());
assert_eq!(buf[0], (CcsdsTimeCodes::Cds as u8) << 4);
assert_eq!(buf[0], (CcsdsTimeCode::Cds as u8) << 4);
assert_eq!(
u16::from_be_bytes(buf[1..3].try_into().expect("Byte conversion failed")),
u16::MAX - 1
@ -1501,7 +1496,7 @@ mod tests {
#[test]
fn test_faulty_write_buf_too_small() {
let mut buf = [0; 7];
let time_stamper = TimeProvider::new_with_u16_days(u16::MAX - 1, u32::MAX - 1);
let time_stamper = CdsTime::new_with_u16_days(u16::MAX - 1, u32::MAX - 1);
for i in 0..6 {
let res = time_stamper.write_to_bytes(&mut buf[0..i]);
assert!(res.is_err());
@ -1527,7 +1522,7 @@ mod tests {
fn test_faulty_read_buf_too_small() {
let buf = [0; 7];
for i in 0..6 {
let res = TimeProvider::<DaysLen16Bits>::from_bytes(&buf[0..i]);
let res = CdsTime::<DaysLen16Bits>::from_bytes(&buf[0..i]);
assert!(res.is_err());
let err = res.unwrap_err();
match err {
@ -1548,15 +1543,15 @@ mod tests {
#[test]
fn test_faulty_invalid_pfield() {
let mut buf = [0; 16];
let time_stamper_0 = TimeProvider::new_with_u16_days(0, 0);
let time_stamper_0 = CdsTime::new_with_u16_days(0, 0);
let res = time_stamper_0.write_to_bytes(&mut buf);
assert!(res.is_ok());
buf[0] = 0;
let res = TimeProvider::<DaysLen16Bits>::from_bytes(&buf);
let res = CdsTime::<DaysLen16Bits>::from_bytes(&buf);
assert!(res.is_err());
let err = res.unwrap_err();
if let InvalidTimeCode { expected, found } = err {
assert_eq!(expected, CcsdsTimeCodes::Cds);
assert_eq!(expected, CcsdsTimeCode::Cds);
assert_eq!(found, 0);
assert_eq!(
err.to_string(),
@ -1568,10 +1563,10 @@ mod tests {
#[test]
fn test_reading() {
let mut buf = [0; 16];
let time_stamper = TimeProvider::new_with_u16_days(u16::MAX - 1, u32::MAX - 1);
let time_stamper = CdsTime::new_with_u16_days(u16::MAX - 1, u32::MAX - 1);
let res = time_stamper.write_to_bytes(&mut buf);
assert!(res.is_ok());
assert_eq!(buf[0], (CcsdsTimeCodes::Cds as u8) << 4);
assert_eq!(buf[0], (CcsdsTimeCode::Cds as u8) << 4);
assert_eq!(
u16::from_be_bytes(buf[1..3].try_into().expect("Byte conversion failed")),
u16::MAX - 1
@ -1581,14 +1576,14 @@ mod tests {
u32::MAX - 1
);
let read_stamp: TimeProvider<DaysLen16Bits> =
TimeProvider::from_bytes(&buf).expect("Reading timestamp failed");
let read_stamp: CdsTime<DaysLen16Bits> =
CdsTime::from_bytes(&buf).expect("Reading timestamp failed");
assert_eq!(read_stamp.ccsds_days(), u16::MAX - 1);
assert_eq!(read_stamp.ms_of_day(), u32::MAX - 1);
}
fn generic_now_test<T: ProvidesDaysLength>(
timestamp_now: TimeProvider<T>,
timestamp_now: CdsTime<T>,
compare_stamp: chrono::DateTime<chrono::Utc>,
) {
let dt = timestamp_now.chrono_date_time().unwrap();
@ -1614,42 +1609,42 @@ mod tests {
#[test]
fn test_time_now() {
let timestamp_now = TimeProvider::from_now_with_u16_days().unwrap();
let timestamp_now = CdsTime::from_now_with_u16_days().unwrap();
let compare_stamp = chrono::Utc::now();
generic_now_test(timestamp_now, compare_stamp);
}
#[test]
fn test_time_now_us_prec() {
let timestamp_now = TimeProvider::from_now_with_u16_days_us_precision().unwrap();
let timestamp_now = CdsTime::from_now_with_u16_days_us_precision().unwrap();
let compare_stamp = chrono::Utc::now();
generic_now_test(timestamp_now, compare_stamp);
}
#[test]
fn test_time_now_ps_prec() {
let timestamp_now = TimeProvider::from_now_with_u16_days_ps_precision().unwrap();
let timestamp_now = CdsTime::from_now_with_u16_days_ps_precision().unwrap();
let compare_stamp = chrono::Utc::now();
generic_now_test(timestamp_now, compare_stamp);
}
#[test]
fn test_time_now_ps_prec_u16_days() {
let timestamp_now = TimeProvider::from_now_with_u16_days_ps_precision().unwrap();
let timestamp_now = CdsTime::from_now_with_u16_days_ps_precision().unwrap();
let compare_stamp = chrono::Utc::now();
generic_now_test(timestamp_now, compare_stamp);
}
#[test]
fn test_time_now_ps_prec_u24_days() {
let timestamp_now = TimeProvider::from_now_with_u24_days_ps_precision().unwrap();
let timestamp_now = CdsTime::from_now_with_u24_days_ps_precision().unwrap();
let compare_stamp = chrono::Utc::now();
generic_now_test(timestamp_now, compare_stamp);
}
#[test]
fn test_submillis_precision_micros() {
let mut time_stamper = TimeProvider::new_with_u16_days(0, 0);
let mut time_stamper = CdsTime::new_with_u16_days(0, 0);
time_stamper.set_submillis(SubmillisPrecision::Microseconds, 500);
assert_eq!(
time_stamper.submillis_precision(),
@ -1667,7 +1662,7 @@ mod tests {
#[test]
fn test_submillis_precision_picos() {
let mut time_stamper = TimeProvider::new_with_u16_days(0, 0);
let mut time_stamper = CdsTime::new_with_u16_days(0, 0);
time_stamper.set_submillis(SubmillisPrecision::Picoseconds, 5e8 as u32);
assert_eq!(
time_stamper.submillis_precision(),
@ -1685,14 +1680,14 @@ mod tests {
#[test]
fn read_stamp_with_ps_submillis_precision() {
let mut time_stamper = TimeProvider::new_with_u16_days(0, 0);
let mut time_stamper = CdsTime::new_with_u16_days(0, 0);
time_stamper.set_submillis(SubmillisPrecision::Picoseconds, 5e8 as u32);
let mut write_buf: [u8; 16] = [0; 16];
let written = time_stamper
.write_to_bytes(&mut write_buf)
.expect("Writing timestamp failed");
assert_eq!(written, 11);
let stamp_deserialized = TimeProvider::<DaysLen16Bits>::from_bytes(&write_buf);
let stamp_deserialized = CdsTime::<DaysLen16Bits>::from_bytes(&write_buf);
assert!(stamp_deserialized.is_ok());
let stamp_deserialized = stamp_deserialized.unwrap();
assert_eq!(stamp_deserialized.len_as_bytes(), 11);
@ -1705,14 +1700,14 @@ mod tests {
#[test]
fn read_stamp_with_us_submillis_precision() {
let mut time_stamper = TimeProvider::new_with_u16_days(0, 0);
let mut time_stamper = CdsTime::new_with_u16_days(0, 0);
time_stamper.set_submillis(SubmillisPrecision::Microseconds, 500);
let mut write_buf: [u8; 16] = [0; 16];
let written = time_stamper
.write_to_bytes(&mut write_buf)
.expect("Writing timestamp failed");
assert_eq!(written, 9);
let stamp_deserialized = TimeProvider::<DaysLen16Bits>::from_bytes(&write_buf);
let stamp_deserialized = CdsTime::<DaysLen16Bits>::from_bytes(&write_buf);
assert!(stamp_deserialized.is_ok());
let stamp_deserialized = stamp_deserialized.unwrap();
assert_eq!(stamp_deserialized.len_as_bytes(), 9);
@ -1725,7 +1720,7 @@ mod tests {
#[test]
fn read_u24_stamp_with_us_submillis_precision() {
let mut time_stamper = TimeProvider::new_with_u24_days(u16::MAX as u32 + 1, 0).unwrap();
let mut time_stamper = CdsTime::new_with_u24_days(u16::MAX as u32 + 1, 0).unwrap();
time_stamper.set_submillis(SubmillisPrecision::Microseconds, 500);
let mut write_buf: [u8; 16] = [0; 16];
let written = time_stamper
@ -1733,7 +1728,7 @@ mod tests {
.expect("Writing timestamp failed");
// 1 byte pfield + 3 bytes days + 4 bytes ms of day + 2 bytes us precision
assert_eq!(written, 10);
let stamp_deserialized = TimeProvider::from_bytes_with_u24_days(&write_buf);
let stamp_deserialized = CdsTime::from_bytes_with_u24_days(&write_buf);
assert!(stamp_deserialized.is_ok());
let stamp_deserialized = stamp_deserialized.unwrap();
assert_eq!(stamp_deserialized.len_as_bytes(), 10);
@ -1747,7 +1742,7 @@ mod tests {
#[test]
fn read_u24_stamp_with_ps_submillis_precision() {
let mut time_stamper = TimeProvider::new_with_u24_days(u16::MAX as u32 + 1, 0).unwrap();
let mut time_stamper = CdsTime::new_with_u24_days(u16::MAX as u32 + 1, 0).unwrap();
time_stamper.set_submillis(SubmillisPrecision::Picoseconds, 5e8 as u32);
let mut write_buf: [u8; 16] = [0; 16];
let written = time_stamper
@ -1755,7 +1750,7 @@ mod tests {
.expect("Writing timestamp failed");
// 1 byte pfield + 3 bytes days + 4 bytes ms of day + 4 bytes us precision
assert_eq!(written, 12);
let stamp_deserialized = TimeProvider::from_bytes_with_u24_days(&write_buf);
let stamp_deserialized = CdsTime::from_bytes_with_u24_days(&write_buf);
assert!(stamp_deserialized.is_ok());
let stamp_deserialized = stamp_deserialized.unwrap();
assert_eq!(stamp_deserialized.len_as_bytes(), 12);
@ -1777,7 +1772,7 @@ mod tests {
}
fn generic_check_dt_case_0<DaysLen: ProvidesDaysLength>(
time_provider: &TimeProvider<DaysLen>,
time_provider: &CdsTime<DaysLen>,
subsec_millis: u32,
datetime_utc: chrono::DateTime<chrono::Utc>,
) {
@ -1795,9 +1790,9 @@ mod tests {
fn test_creation_from_dt_u16_days() {
let subsec_millis = 250;
let datetime_utc = generic_dt_case_0_no_prec(subsec_millis);
let time_provider = TimeProvider::from_dt_with_u16_days(&datetime_utc).unwrap();
let time_provider = CdsTime::from_dt_with_u16_days(&datetime_utc).unwrap();
generic_check_dt_case_0(&time_provider, subsec_millis, datetime_utc);
let time_provider_2: TimeProvider<DaysLen16Bits> =
let time_provider_2: CdsTime<DaysLen16Bits> =
datetime_utc.try_into().expect("conversion failed");
// Test the TryInto trait impl
assert_eq!(time_provider, time_provider_2);
@ -1806,9 +1801,9 @@ mod tests {
fn test_creation_from_dt_u24_days() {
let subsec_millis = 250;
let datetime_utc = generic_dt_case_0_no_prec(subsec_millis);
let time_provider = TimeProvider::from_dt_with_u24_days(&datetime_utc).unwrap();
let time_provider = CdsTime::from_dt_with_u24_days(&datetime_utc).unwrap();
generic_check_dt_case_0(&time_provider, subsec_millis, datetime_utc);
let time_provider_2: TimeProvider<DaysLen24Bits> =
let time_provider_2: CdsTime<DaysLen24Bits> =
datetime_utc.try_into().expect("conversion failed");
// Test the TryInto trait impl
assert_eq!(time_provider, time_provider_2);
@ -1826,7 +1821,7 @@ mod tests {
}
fn generic_check_dt_case_1_us_prec<DaysLen: ProvidesDaysLength>(
time_provider: &TimeProvider<DaysLen>,
time_provider: &CdsTime<DaysLen>,
subsec_millis: u32,
datetime_utc: chrono::DateTime<chrono::Utc>,
) {
@ -1849,8 +1844,7 @@ mod tests {
fn test_creation_from_dt_u16_days_us_prec() {
let subsec_millis = 250;
let datetime_utc = generic_dt_case_1_us_prec(subsec_millis);
let time_provider =
TimeProvider::from_dt_with_u16_days_us_precision(&datetime_utc).unwrap();
let time_provider = CdsTime::from_dt_with_u16_days_us_precision(&datetime_utc).unwrap();
generic_check_dt_case_1_us_prec(&time_provider, subsec_millis, datetime_utc);
}
@ -1858,8 +1852,7 @@ mod tests {
fn test_creation_from_dt_u24_days_us_prec() {
let subsec_millis = 250;
let datetime_utc = generic_dt_case_1_us_prec(subsec_millis);
let time_provider =
TimeProvider::from_dt_with_u24_days_us_precision(&datetime_utc).unwrap();
let time_provider = CdsTime::from_dt_with_u24_days_us_precision(&datetime_utc).unwrap();
generic_check_dt_case_1_us_prec(&time_provider, subsec_millis, datetime_utc);
}
@ -1879,7 +1872,7 @@ mod tests {
}
fn generic_check_dt_case_2_ps_prec<DaysLen: ProvidesDaysLength>(
time_provider: &TimeProvider<DaysLen>,
time_provider: &CdsTime<DaysLen>,
subsec_millis: u32,
submilli_nanos: u32,
datetime_utc: chrono::DateTime<chrono::Utc>,
@ -1903,8 +1896,7 @@ mod tests {
fn test_creation_from_dt_u16_days_ps_prec() {
let subsec_millis = 250;
let (datetime_utc, submilli_nanos) = generic_dt_case_2_ps_prec(subsec_millis);
let time_provider =
TimeProvider::from_dt_with_u16_days_ps_precision(&datetime_utc).unwrap();
let time_provider = CdsTime::from_dt_with_u16_days_ps_precision(&datetime_utc).unwrap();
generic_check_dt_case_2_ps_prec(
&time_provider,
subsec_millis,
@ -1917,8 +1909,7 @@ mod tests {
fn test_creation_from_dt_u24_days_ps_prec() {
let subsec_millis = 250;
let (datetime_utc, submilli_nanos) = generic_dt_case_2_ps_prec(subsec_millis);
let time_provider =
TimeProvider::from_dt_with_u24_days_ps_precision(&datetime_utc).unwrap();
let time_provider = CdsTime::from_dt_with_u24_days_ps_precision(&datetime_utc).unwrap();
generic_check_dt_case_2_ps_prec(
&time_provider,
subsec_millis,
@ -1931,7 +1922,7 @@ mod tests {
fn test_creation_from_unix_stamp_0_u16_days() {
let unix_secs = 0;
let subsec_millis = 0;
let time_provider = TimeProvider::from_unix_stamp_with_u16_days(
let time_provider = CdsTime::from_unix_stamp_with_u16_days(
&UnixTime::new(unix_secs, subsec_millis),
SubmillisPrecision::Absent,
)
@ -1943,7 +1934,7 @@ mod tests {
fn test_creation_from_unix_stamp_0_u24_days() {
let unix_secs = 0;
let subsec_millis = 0;
let time_provider = TimeProvider::from_unix_stamp_with_u24_days(
let time_provider = CdsTime::from_unix_stamp_with_u24_days(
&UnixTime::new(unix_secs, subsec_millis),
SubmillisPrecision::Absent,
)
@ -1960,7 +1951,7 @@ mod tests {
.unwrap()
.and_local_timezone(chrono::Utc)
.unwrap();
let time_provider = TimeProvider::from_unix_stamp_with_u16_days(
let time_provider = CdsTime::from_unix_stamp_with_u16_days(
&datetime_utc.into(),
SubmillisPrecision::Absent,
)
@ -1980,7 +1971,7 @@ mod tests {
fn test_creation_0_ccsds_days() {
let unix_secs = DAYS_CCSDS_TO_UNIX as i64 * SECONDS_PER_DAY as i64;
let subsec_millis = 0;
let time_provider = TimeProvider::from_unix_stamp_with_u16_days(
let time_provider = CdsTime::from_unix_stamp_with_u16_days(
&UnixTime::new(unix_secs, subsec_millis),
SubmillisPrecision::Absent,
)
@ -1992,7 +1983,7 @@ mod tests {
fn test_invalid_creation_from_unix_stamp_days_too_large() {
let invalid_unix_secs: i64 = (u16::MAX as i64 + 1) * SECONDS_PER_DAY as i64;
let subsec_millis = 0;
match TimeProvider::from_unix_stamp_with_u16_days(
match CdsTime::from_unix_stamp_with_u16_days(
&UnixTime::new(invalid_unix_secs, subsec_millis),
SubmillisPrecision::Absent,
) {
@ -2019,7 +2010,7 @@ mod tests {
// precisely 31-12-1957 23:59:55
let unix_secs = DAYS_CCSDS_TO_UNIX * SECONDS_PER_DAY as i32 - 5;
let subsec_millis = 0;
match TimeProvider::from_unix_stamp_with_u16_days(
match CdsTime::from_unix_stamp_with_u16_days(
&UnixTime::new(unix_secs as i64, subsec_millis),
SubmillisPrecision::Absent,
) {
@ -2048,7 +2039,7 @@ mod tests {
#[test]
fn test_addition_u16_days_day_increment() {
let mut provider = TimeProvider::new_with_u16_days(0, MS_PER_DAY - 5 * 1000);
let mut provider = CdsTime::new_with_u16_days(0, MS_PER_DAY - 5 * 1000);
let seconds_offset = Duration::from_secs(10);
assert_eq!(provider.ccsds_days, 0);
assert_eq!(provider.ms_of_day, MS_PER_DAY - 5 * 1000);
@ -2059,7 +2050,7 @@ mod tests {
#[test]
fn test_addition_u16_days() {
let mut provider = TimeProvider::new_with_u16_days(0, 0);
let mut provider = CdsTime::new_with_u16_days(0, 0);
let seconds_offset = Duration::from_secs(5);
assert_eq!(provider.ccsds_days, 0);
assert_eq!(provider.ms_of_day, 0);
@ -2073,7 +2064,7 @@ mod tests {
#[test]
fn test_addition_u24_days() {
let mut provider = TimeProvider::new_with_u24_days(u16::MAX as u32, 0).unwrap();
let mut provider = CdsTime::new_with_u24_days(u16::MAX as u32, 0).unwrap();
let seconds_offset = Duration::from_secs(5);
assert_eq!(provider.ccsds_days, u16::MAX as u32);
assert_eq!(provider.ms_of_day, 0);
@ -2087,13 +2078,13 @@ mod tests {
#[test]
fn test_dyn_creation_u24_days() {
let stamp = TimeProvider::new_with_u24_days(u16::MAX as u32 + 1, 24).unwrap();
let stamp = CdsTime::new_with_u24_days(u16::MAX as u32 + 1, 24).unwrap();
let mut buf: [u8; 32] = [0; 32];
stamp.write_to_bytes(&mut buf).unwrap();
let dyn_provider = get_dyn_time_provider_from_bytes(&buf);
assert!(dyn_provider.is_ok());
let dyn_provider = dyn_provider.unwrap();
assert_eq!(dyn_provider.ccdsd_time_code(), CcsdsTimeCodes::Cds);
assert_eq!(dyn_provider.ccdsd_time_code(), CcsdsTimeCode::Cds);
assert_eq!(dyn_provider.ccsds_days_as_u32(), u16::MAX as u32 + 1);
assert_eq!(dyn_provider.ms_of_day(), 24);
assert_eq!(
@ -2108,7 +2099,7 @@ mod tests {
#[test]
fn test_addition_with_us_precision_u16_days() {
let mut provider = TimeProvider::new_with_u16_days(0, 0);
let mut provider = CdsTime::new_with_u16_days(0, 0);
provider.set_submillis(SubmillisPrecision::Microseconds, 0);
let duration = Duration::from_micros(500);
provider += duration;
@ -2121,7 +2112,7 @@ mod tests {
#[test]
fn test_addition_with_us_precision_u16_days_with_subsec_millis() {
let mut provider = TimeProvider::new_with_u16_days(0, 0);
let mut provider = CdsTime::new_with_u16_days(0, 0);
provider.set_submillis(SubmillisPrecision::Microseconds, 0);
let duration = Duration::from_micros(1200);
provider += duration;
@ -2135,7 +2126,7 @@ mod tests {
#[test]
fn test_addition_with_us_precision_u16_days_carry_over() {
let mut provider = TimeProvider::new_with_u16_days(0, 0);
let mut provider = CdsTime::new_with_u16_days(0, 0);
provider.set_submillis(SubmillisPrecision::Microseconds, 800);
let duration = Duration::from_micros(400);
provider += duration;
@ -2150,7 +2141,7 @@ mod tests {
#[test]
fn test_addition_with_ps_precision_u16_days() {
let mut provider = TimeProvider::new_with_u16_days(0, 0);
let mut provider = CdsTime::new_with_u16_days(0, 0);
provider.set_submillis(SubmillisPrecision::Picoseconds, 0);
// 500 us as ns
let duration = Duration::from_nanos(500 * 10u32.pow(3) as u64);
@ -2167,7 +2158,7 @@ mod tests {
fn test_addition_on_ref() {
// This test case also tests the case where there is no submillis precision but subsecond
// milliseconds.
let provider_ref = &TimeProvider::new_with_u16_days(2, 500);
let provider_ref = &CdsTime::new_with_u16_days(2, 500);
let new_stamp = provider_ref + Duration::from_millis(2 * 24 * 60 * 60 * 1000 + 500);
assert_eq!(new_stamp.ccsds_days_as_u32(), 4);
assert_eq!(new_stamp.ms_of_day, 1000);
@ -2183,7 +2174,7 @@ mod tests {
}
#[test]
fn test_addition_with_ps_precision_u16_days_with_subsec_millis() {
let mut provider = TimeProvider::new_with_u16_days(0, 0);
let mut provider = CdsTime::new_with_u16_days(0, 0);
provider.set_submillis(SubmillisPrecision::Picoseconds, 0);
// 1200 us as ns
let duration = Duration::from_nanos(1200 * 10u32.pow(3) as u64);
@ -2198,7 +2189,7 @@ mod tests {
#[test]
fn test_addition_with_ps_precision_u16_days_carryover() {
let mut provider = TimeProvider::new_with_u16_days(0, 0);
let mut provider = CdsTime::new_with_u16_days(0, 0);
// 800 us as ps
provider.set_submillis(SubmillisPrecision::Picoseconds, 800 * 10_u32.pow(6));
// 400 us as ns
@ -2214,14 +2205,14 @@ mod tests {
#[test]
fn test_dyn_creation_u16_days_with_precision() {
let mut stamp = TimeProvider::new_with_u16_days(24, 24);
let mut stamp = CdsTime::new_with_u16_days(24, 24);
stamp.set_submillis(SubmillisPrecision::Microseconds, 666);
let mut buf: [u8; 32] = [0; 32];
stamp.write_to_bytes(&mut buf).unwrap();
let dyn_provider = get_dyn_time_provider_from_bytes(&buf);
assert!(dyn_provider.is_ok());
let dyn_provider = dyn_provider.unwrap();
assert_eq!(dyn_provider.ccdsd_time_code(), CcsdsTimeCodes::Cds);
assert_eq!(dyn_provider.ccdsd_time_code(), CcsdsTimeCode::Cds);
assert_eq!(dyn_provider.ccsds_days_as_u32(), 24);
assert_eq!(dyn_provider.ms_of_day(), 24);
assert_eq!(
@ -2237,7 +2228,7 @@ mod tests {
#[test]
fn test_new_u24_days_too_large() {
let time_provider = TimeProvider::new_with_u24_days(2_u32.pow(24), 0);
let time_provider = CdsTime::new_with_u24_days(2_u32.pow(24), 0);
assert!(time_provider.is_err());
let e = time_provider.unwrap_err();
if let CdsError::InvalidCcsdsDays(days) = e {
@ -2256,7 +2247,7 @@ mod tests {
.unwrap()
.and_local_timezone(chrono::Utc)
.unwrap();
let time_provider = TimeProvider::from_dt_with_u24_days(&datetime_utc);
let time_provider = CdsTime::from_dt_with_u24_days(&datetime_utc);
assert!(time_provider.is_err());
if let TimestampError::DateBeforeCcsdsEpoch(dt) = time_provider.unwrap_err() {
assert_eq!(dt, datetime_utc.into());
@ -2265,10 +2256,10 @@ mod tests {
#[test]
fn test_eq() {
let stamp0 = TimeProvider::new_with_u16_days(0, 0);
let stamp0 = CdsTime::new_with_u16_days(0, 0);
let mut buf: [u8; 7] = [0; 7];
stamp0.write_to_bytes(&mut buf).unwrap();
let stamp1 = TimeProvider::from_bytes_with_u16_days(&buf).unwrap();
let stamp1 = CdsTime::from_bytes_with_u16_days(&buf).unwrap();
assert_eq!(stamp0, stamp1);
assert!(stamp0 >= stamp1);
assert!(stamp1 <= stamp0);
@ -2276,11 +2267,11 @@ mod tests {
#[test]
fn test_ord() {
let stamp0 = TimeProvider::new_with_u24_days(0, 0).unwrap();
let stamp1 = TimeProvider::new_with_u24_days(0, 50000).unwrap();
let mut stamp2 = TimeProvider::new_with_u24_days(0, 50000).unwrap();
let stamp0 = CdsTime::new_with_u24_days(0, 0).unwrap();
let stamp1 = CdsTime::new_with_u24_days(0, 50000).unwrap();
let mut stamp2 = CdsTime::new_with_u24_days(0, 50000).unwrap();
stamp2.set_submillis(SubmillisPrecision::Microseconds, 500);
let stamp3 = TimeProvider::new_with_u24_days(1, 0).unwrap();
let stamp3 = CdsTime::new_with_u24_days(1, 0).unwrap();
assert!(stamp1 > stamp0);
assert!(stamp2 > stamp0);
assert!(stamp2 > stamp1);
@ -2291,8 +2282,8 @@ mod tests {
#[test]
fn test_conversion() {
let mut stamp_small = TimeProvider::new_with_u16_days(u16::MAX, 500);
let stamp_larger: TimeProvider<DaysLen24Bits> = stamp_small.into();
let mut stamp_small = CdsTime::new_with_u16_days(u16::MAX, 500);
let stamp_larger: CdsTime<DaysLen24Bits> = stamp_small.into();
assert_eq!(stamp_larger.ccsds_days_as_u32(), u16::MAX as u32);
assert_eq!(stamp_larger.ms_of_day(), 500);
stamp_small = stamp_larger.try_into().unwrap();
@ -2302,7 +2293,7 @@ mod tests {
#[test]
fn test_update_from_now() {
let mut stamp = TimeProvider::new_with_u16_days(0, 0);
let mut stamp = CdsTime::new_with_u16_days(0, 0);
let _ = stamp.update_from_now();
let dt = stamp.unix_stamp().chrono_date_time().unwrap();
assert!(dt.year() > 2020);
@ -2310,17 +2301,17 @@ mod tests {
#[test]
fn test_setting_submillis_precision() {
let mut provider = TimeProvider::new_with_u16_days(0, 15);
let mut provider = CdsTime::new_with_u16_days(0, 15);
provider.set_submillis(SubmillisPrecision::Microseconds, 500);
}
#[test]
#[cfg(feature = "serde")]
fn test_serialization() {
let stamp_now = TimeProvider::from_now_with_u16_days().expect("Error retrieving time");
let stamp_now = CdsTime::from_now_with_u16_days().expect("Error retrieving time");
let val = to_allocvec(&stamp_now).expect("Serializing timestamp failed");
assert!(val.len() > 0);
let stamp_deser: TimeProvider = from_bytes(&val).expect("Stamp deserialization failed");
let stamp_deser: CdsTime = from_bytes(&val).expect("Stamp deserialization failed");
assert_eq!(stamp_deser, stamp_now);
}
@ -2337,7 +2328,7 @@ mod tests {
#[test]
fn test_stamp_to_vec_u16() {
let stamp = TimeProvider::new_with_u16_days(1, 1);
let stamp = CdsTime::new_with_u16_days(1, 1);
let stamp_vec = stamp.to_vec().unwrap();
let mut buf: [u8; 7] = [0; 7];
stamp.write_to_bytes(&mut buf).unwrap();
@ -2346,10 +2337,23 @@ mod tests {
#[test]
fn test_stamp_to_vec_u24() {
let stamp = TimeProvider::new_with_u24_days(1, 1).unwrap();
let stamp = CdsTime::new_with_u24_days(1, 1).unwrap();
let stamp_vec = stamp.to_vec().unwrap();
let mut buf: [u8; 10] = [0; 10];
stamp.write_to_bytes(&mut buf).unwrap();
assert_eq!(stamp_vec, buf[..stamp.len_written()]);
}
#[test]
#[cfg(feature = "timelib")]
fn test_timelib_stamp() {
let stamp = CdsTime::new_with_u16_days(0, 0);
let timelib_dt = stamp.timelib_date_time().unwrap();
assert_eq!(timelib_dt.year(), 1958);
assert_eq!(timelib_dt.month(), time::Month::January);
assert_eq!(timelib_dt.day(), 1);
assert_eq!(timelib_dt.hour(), 0);
assert_eq!(timelib_dt.minute(), 0);
assert_eq!(timelib_dt.second(), 0);
}
}

336
src/time/cuc.rs
View File

@ -15,7 +15,7 @@ use crate::ByteConversionError;
#[cfg(feature = "std")]
use super::StdTimestampError;
use super::{
ccsds_epoch_to_unix_epoch, unix_epoch_to_ccsds_epoch, CcsdsTimeCodes, CcsdsTimeProvider,
ccsds_epoch_to_unix_epoch, unix_epoch_to_ccsds_epoch, CcsdsTimeCode, CcsdsTimeProvider,
TimeReader, TimeWriter, TimestampError, UnixTime,
};
#[cfg(feature = "std")]
@ -32,7 +32,7 @@ use super::ccsds_time_code_from_p_field;
const MIN_CUC_LEN: usize = 2;
/// Base value for the preamble field for a time field parser to determine the time field type.
pub const P_FIELD_BASE: u8 = (CcsdsTimeCodes::CucCcsdsEpoch as u8) << 4;
pub const P_FIELD_BASE: u8 = (CcsdsTimeCode::CucCcsdsEpoch as u8) << 4;
/// Maximum length if the preamble field is not extended.
pub const MAX_CUC_LEN_SMALL_PREAMBLE: usize = 8;
@ -171,15 +171,19 @@ pub struct FractionalPart(FractionalResolution, u32);
/// type (generally seconds) to 4 bytes and the width of the fractions type to 3 bytes. This limits
/// the maximum time stamp size to [MAX_CUC_LEN_SMALL_PREAMBLE] (8 bytes).
///
/// Please note that this object does not implement the [CcsdsTimeProvider] trait by itself because
/// leap seconds corrections need to be applied to support the trait methods. Instead, it needs
/// to be converted to a [CucTimeWithLeapSecs] object using the [Self::to_leap_sec_helper] method.
///
/// # Example
///
/// ```
/// use spacepackets::time::cuc::{FractionalResolution, TimeProviderCcsdsEpoch};
/// use spacepackets::time::cuc::{FractionalResolution, CucTime};
/// use spacepackets::time::{TimeWriter, CcsdsTimeCodes, TimeReader, CcsdsTimeProvider};
///
/// const LEAP_SECONDS: u32 = 37;
/// // Highest fractional resolution
/// let timestamp_now = TimeProviderCcsdsEpoch::from_now(FractionalResolution::SixtyNs, LEAP_SECONDS)
/// let timestamp_now = CucTime::from_now(FractionalResolution::SixtyNs, LEAP_SECONDS)
/// .expect("creating cuc stamp failed");
/// let mut raw_stamp = [0; 16];
/// {
@ -197,11 +201,25 @@ pub struct FractionalPart(FractionalResolution, u32);
/// ```
#[derive(Copy, Clone, PartialEq, Eq, Debug)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct TimeProviderCcsdsEpoch {
pub struct CucTime {
pfield: u8,
counter: WidthCounterPair,
fractions: Option<FractionalPart>,
leap_seconds: u32,
}
/// This object is a wrapper object around the [CucTime] object which also tracks
/// the leap seconds. This is necessary to implement the [CcsdsTimeProvider] trait.
#[derive(Copy, Clone, PartialEq, Eq, Debug)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct CucTimeWithLeapSecs {
pub time: CucTime,
pub leap_seconds: u32,
}
impl CucTimeWithLeapSecs {
pub fn new(time: CucTime, leap_seconds: u32) -> Self {
Self { time, leap_seconds }
}
}
#[inline]
@ -212,28 +230,20 @@ pub fn pfield_len(pfield: u8) -> usize {
1
}
impl TimeProviderCcsdsEpoch {
impl CucTime {
/// Create a time provider with a four byte counter and no fractional part.
pub fn new(counter: u32, leap_seconds: u32) -> Self {
pub fn new(counter: u32) -> Self {
// These values are definitely valid, so it is okay to unwrap here.
Self::new_generic(WidthCounterPair(4, counter), None, leap_seconds).unwrap()
Self::new_generic(WidthCounterPair(4, counter), None).unwrap()
}
/// Like [TimeProviderCcsdsEpoch::new] but allow to supply a fractional part as well.
pub fn new_with_fractions(
counter: u32,
fractions: FractionalPart,
leap_seconds: u32,
) -> Result<Self, CucError> {
Self::new_generic(WidthCounterPair(4, counter), Some(fractions), leap_seconds)
pub fn new_with_fractions(counter: u32, fractions: FractionalPart) -> Result<Self, CucError> {
Self::new_generic(WidthCounterPair(4, counter), Some(fractions))
}
/// Fractions with a resolution of ~ 4 ms
pub fn new_with_coarse_fractions(
counter: u32,
subsec_fractions: u8,
leap_seconds: u32,
) -> Self {
pub fn new_with_coarse_fractions(counter: u32, subsec_fractions: u8) -> Self {
// These values are definitely valid, so it is okay to unwrap here.
Self::new_generic(
WidthCounterPair(4, counter),
@ -241,17 +251,12 @@ impl TimeProviderCcsdsEpoch {
FractionalResolution::FourMs,
subsec_fractions as u32,
)),
leap_seconds,
)
.unwrap()
}
/// Fractions with a resolution of ~ 16 us
pub fn new_with_medium_fractions(
counter: u32,
subsec_fractions: u16,
leap_seconds: u32,
) -> Self {
pub fn new_with_medium_fractions(counter: u32, subsec_fractions: u16) -> Self {
// These values are definitely valid, so it is okay to unwrap here.
Self::new_generic(
WidthCounterPair(4, counter),
@ -259,7 +264,6 @@ impl TimeProviderCcsdsEpoch {
FractionalResolution::FifteenUs,
subsec_fractions as u32,
)),
leap_seconds,
)
.unwrap()
}
@ -267,18 +271,13 @@ impl TimeProviderCcsdsEpoch {
/// Fractions with a resolution of ~ 60 ns. The fractional part value is limited by the
/// 24 bits of the fractional field, so this function will fail with
/// [CucError::InvalidFractions] if the fractional value exceeds the value.
pub fn new_with_fine_fractions(
counter: u32,
subsec_fractions: u32,
leap_seconds: u32,
) -> Result<Self, CucError> {
pub fn new_with_fine_fractions(counter: u32, subsec_fractions: u32) -> Result<Self, CucError> {
Self::new_generic(
WidthCounterPair(4, counter),
Some(FractionalPart(
FractionalResolution::SixtyNs,
subsec_fractions,
)),
leap_seconds,
)
}
@ -301,11 +300,11 @@ impl TimeProviderCcsdsEpoch {
.checked_add(i64::from(leap_seconds))
.ok_or(TimestampError::Cuc(CucError::LeapSecondCorrectionError))?;
if fraction_resolution == FractionalResolution::Seconds {
return Ok(Self::new(ccsds_epoch as u32, leap_seconds));
return Ok(Self::new(ccsds_epoch as u32));
}
let fractions =
fractional_part_from_subsec_ns(fraction_resolution, now.subsec_nanos() as u64);
Self::new_with_fractions(ccsds_epoch as u32, fractions.unwrap(), leap_seconds)
Self::new_with_fractions(ccsds_epoch as u32, fractions.unwrap())
.map_err(|e| StdTimestampError::Timestamp(e.into()))
}
@ -317,12 +316,12 @@ impl TimeProviderCcsdsEpoch {
/// conversion to the CCSDS epoch.
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
pub fn update_from_now(&mut self) -> Result<(), StdTimestampError> {
pub fn update_from_now(&mut self, leap_seconds: u32) -> Result<(), StdTimestampError> {
let now = SystemTime::now().duration_since(SystemTime::UNIX_EPOCH)?;
self.counter.1 = unix_epoch_to_ccsds_epoch(now.as_secs() as i64) as u32;
self.counter
.1
.checked_add(self.leap_seconds)
.checked_add(leap_seconds)
.ok_or(TimestampError::Cuc(CucError::LeapSecondCorrectionError))?;
if self.fractions.is_some() {
self.fractions = fractional_part_from_subsec_ns(
@ -351,7 +350,6 @@ impl TimeProviderCcsdsEpoch {
Self::new_generic(
WidthCounterPair(4, counter as u32),
fractional_part_from_subsec_ns(res, dt.timestamp_subsec_nanos() as u64),
leap_seconds,
)
.map_err(|e| e.into())
}
@ -373,17 +371,16 @@ impl TimeProviderCcsdsEpoch {
.ok_or(TimestampError::Cuc(CucError::LeapSecondCorrectionError))?;
let fractions =
fractional_part_from_subsec_ns(res, unix_stamp.subsec_millis() as u64 * 10_u64.pow(6));
Self::new_generic(
WidthCounterPair(4, ccsds_epoch as u32),
fractions,
leap_seconds,
)
.map_err(|e| e.into())
Self::new_generic(WidthCounterPair(4, ccsds_epoch as u32), fractions).map_err(|e| e.into())
}
pub fn new_u16_counter(counter: u16, leap_seconds: u32) -> Self {
pub fn new_u16_counter(counter: u16) -> Self {
// These values are definitely valid, so it is okay to unwrap here.
Self::new_generic(WidthCounterPair(2, counter as u32), None, leap_seconds).unwrap()
Self::new_generic(WidthCounterPair(2, counter as u32), None).unwrap()
}
pub fn ccsds_time_code(&self) -> CcsdsTimeCode {
CcsdsTimeCode::CucCcsdsEpoch
}
pub fn width_counter_pair(&self) -> WidthCounterPair {
@ -402,6 +399,10 @@ impl TimeProviderCcsdsEpoch {
self.fractions
}
pub fn to_leap_sec_helper(&self, leap_seconds: u32) -> CucTimeWithLeapSecs {
CucTimeWithLeapSecs::new(*self, leap_seconds)
}
pub fn set_fractions(&mut self, fractions: FractionalPart) -> Result<(), CucError> {
Self::verify_fractions_value(fractions)?;
self.fractions = Some(fractions);
@ -429,7 +430,6 @@ impl TimeProviderCcsdsEpoch {
pub fn new_generic(
counter: WidthCounterPair,
fractions: Option<FractionalPart>,
leap_seconds: u32,
) -> Result<Self, CucError> {
Self::verify_counter_width(counter.0)?;
if counter.1 > (2u64.pow(counter.0 as u32 * 8) - 1) as u32 {
@ -445,7 +445,6 @@ impl TimeProviderCcsdsEpoch {
pfield: Self::build_p_field(counter.0, fractions.map(|v| v.0)),
counter,
fractions,
leap_seconds,
})
}
@ -489,12 +488,17 @@ impl TimeProviderCcsdsEpoch {
}
#[inline]
fn unix_seconds(&self) -> i64 {
pub fn unix_secs(&self, leap_seconds: u32) -> i64 {
ccsds_epoch_to_unix_epoch(self.counter.1 as i64)
.checked_sub(self.leap_seconds as i64)
.checked_sub(leap_seconds as i64)
.unwrap()
}
#[inline]
pub fn subsec_millis(&self) -> u16 {
(self.subsec_nanos() / 1_000_000) as u16
}
/// This returns the length of the individual components of the CUC timestamp in addition
/// to the total size.
///
@ -536,10 +540,25 @@ impl TimeProviderCcsdsEpoch {
}
Ok(())
}
fn len_as_bytes(&self) -> usize {
Self::len_packed_from_pfield(self.pfield)
}
fn subsec_nanos(&self) -> u32 {
if let Some(fractions) = self.fractions {
if fractions.0 == FractionalResolution::Seconds {
return 0;
}
// Rounding down here is the correct approach.
return convert_fractional_part_to_ns(fractions) as u32;
}
0
}
}
impl TimeReader for TimeProviderCcsdsEpoch {
fn from_bytes_generic(buf: &[u8], leap_seconds: Option<u32>) -> Result<Self, TimestampError> {
impl TimeReader for CucTime {
fn from_bytes(buf: &[u8]) -> Result<Self, TimestampError> {
if buf.len() < MIN_CUC_LEN {
return Err(TimestampError::ByteConversion(
ByteConversionError::FromSliceTooSmall {
@ -548,21 +567,18 @@ impl TimeReader for TimeProviderCcsdsEpoch {
},
));
}
if leap_seconds.is_none() {
return Err(TimestampError::Cuc(CucError::LeapSecondCorrectionError));
}
match ccsds_time_code_from_p_field(buf[0]) {
Ok(code) => {
if code != CcsdsTimeCodes::CucCcsdsEpoch {
if code != CcsdsTimeCode::CucCcsdsEpoch {
return Err(TimestampError::InvalidTimeCode {
expected: CcsdsTimeCodes::CucCcsdsEpoch,
expected: CcsdsTimeCode::CucCcsdsEpoch,
found: code as u8,
});
}
}
Err(raw) => {
return Err(TimestampError::InvalidTimeCode {
expected: CcsdsTimeCodes::CucCcsdsEpoch,
expected: CcsdsTimeCode::CucCcsdsEpoch,
found: raw,
});
}
@ -617,16 +633,12 @@ impl TimeReader for TimeProviderCcsdsEpoch {
_ => panic!("unreachable match arm"),
}
}
let provider = Self::new_generic(
WidthCounterPair(cntr_len, counter),
fractions,
leap_seconds.unwrap(),
)?;
let provider = Self::new_generic(WidthCounterPair(cntr_len, counter), fractions)?;
Ok(provider)
}
}
impl TimeWriter for TimeProviderCcsdsEpoch {
impl TimeWriter for CucTime {
fn write_to_bytes(&self, bytes: &mut [u8]) -> Result<usize, TimestampError> {
// Cross check the sizes of the counters against byte widths in the ctor
if bytes.len() < self.len_as_bytes() {
@ -678,37 +690,32 @@ impl TimeWriter for TimeProviderCcsdsEpoch {
}
}
impl CcsdsTimeProvider for TimeProviderCcsdsEpoch {
impl CcsdsTimeProvider for CucTimeWithLeapSecs {
fn len_as_bytes(&self) -> usize {
Self::len_packed_from_pfield(self.pfield)
self.time.len_as_bytes()
}
fn p_field(&self) -> (usize, [u8; 2]) {
(1, [self.pfield, 0])
(1, [self.time.pfield, 0])
}
fn ccdsd_time_code(&self) -> CcsdsTimeCodes {
CcsdsTimeCodes::CucCcsdsEpoch
fn ccdsd_time_code(&self) -> CcsdsTimeCode {
self.time.ccsds_time_code()
}
fn unix_secs(&self) -> i64 {
self.unix_seconds()
ccsds_epoch_to_unix_epoch(self.time.counter.1 as i64)
.checked_sub(self.leap_seconds as i64)
.unwrap()
}
fn subsec_nanos(&self) -> u32 {
if let Some(fractions) = self.fractions {
if fractions.0 == FractionalResolution::Seconds {
return 0;
}
// Rounding down here is the correct approach.
return convert_fractional_part_to_ns(fractions) as u32;
}
0
self.time.subsec_nanos()
}
}
fn get_provider_values_after_duration_addition(
provider: &TimeProviderCcsdsEpoch,
provider: &CucTime,
duration: Duration,
) -> (u32, Option<FractionalPart>) {
let mut new_counter = provider.counter.1;
@ -757,7 +764,7 @@ fn get_provider_values_after_duration_addition(
(new_counter, fractional_part)
}
impl AddAssign<Duration> for TimeProviderCcsdsEpoch {
impl AddAssign<Duration> for CucTime {
fn add_assign(&mut self, duration: Duration) {
let (new_counter, new_fractional_part) =
get_provider_values_after_duration_addition(self, duration);
@ -768,7 +775,7 @@ impl AddAssign<Duration> for TimeProviderCcsdsEpoch {
}
}
impl Add<Duration> for TimeProviderCcsdsEpoch {
impl Add<Duration> for CucTime {
type Output = Self;
fn add(self, duration: Duration) -> Self::Output {
@ -776,29 +783,23 @@ impl Add<Duration> for TimeProviderCcsdsEpoch {
get_provider_values_after_duration_addition(&self, duration);
if let Some(fractional_part) = new_fractional_part {
// The generated fractional part should always be valid, so its okay to unwrap here.
return Self::new_with_fractions(new_counter, fractional_part, self.leap_seconds)
.unwrap();
return Self::new_with_fractions(new_counter, fractional_part).unwrap();
}
Self::new(new_counter, self.leap_seconds)
Self::new(new_counter)
}
}
impl Add<Duration> for &TimeProviderCcsdsEpoch {
type Output = TimeProviderCcsdsEpoch;
impl Add<Duration> for &CucTime {
type Output = CucTime;
fn add(self, duration: Duration) -> Self::Output {
let (new_counter, new_fractional_part) =
get_provider_values_after_duration_addition(self, duration);
if let Some(fractional_part) = new_fractional_part {
// The generated fractional part should always be valid, so its okay to unwrap here.
return Self::Output::new_with_fractions(
new_counter,
fractional_part,
self.leap_seconds,
)
.unwrap();
return Self::Output::new_with_fractions(new_counter, fractional_part).unwrap();
}
Self::Output::new(new_counter, self.leap_seconds)
Self::Output::new(new_counter)
}
}
@ -817,17 +818,18 @@ mod tests {
#[test]
fn test_basic_zero_epoch() {
// Do not include leap second corrections, which do not apply to dates before 1972.
let zero_cuc = TimeProviderCcsdsEpoch::new(0, 0);
let zero_cuc = CucTime::new(0);
assert_eq!(zero_cuc.len_as_bytes(), 5);
assert_eq!(zero_cuc.width(), zero_cuc.width_counter_pair().0);
assert_eq!(zero_cuc.counter(), zero_cuc.width_counter_pair().1);
assert_eq!(zero_cuc.ccdsd_time_code(), CcsdsTimeCodes::CucCcsdsEpoch);
let ccsds_cuc = zero_cuc.to_leap_sec_helper(0);
assert_eq!(ccsds_cuc.ccdsd_time_code(), CcsdsTimeCode::CucCcsdsEpoch);
let counter = zero_cuc.width_counter_pair();
assert_eq!(counter.0, 4);
assert_eq!(counter.1, 0);
let fractions = zero_cuc.width_fractions_pair();
assert!(fractions.is_none());
let dt = zero_cuc.chrono_date_time();
let dt = ccsds_cuc.chrono_date_time();
if let chrono::LocalResult::Single(dt) = dt {
assert_eq!(dt.year(), 1958);
assert_eq!(dt.month(), 1);
@ -841,11 +843,7 @@ mod tests {
#[test]
fn test_write_no_fractions() {
let mut buf: [u8; 16] = [0; 16];
let zero_cuc = TimeProviderCcsdsEpoch::new_generic(
WidthCounterPair(4, 0x20102030),
None,
LEAP_SECONDS,
);
let zero_cuc = CucTime::new_generic(WidthCounterPair(4, 0x20102030), None);
assert!(zero_cuc.is_ok());
let zero_cuc = zero_cuc.unwrap();
let res = zero_cuc.write_to_bytes(&mut buf);
@ -858,7 +856,7 @@ mod tests {
assert_eq!((buf[0] >> 7) & 0b1, 0);
let time_code = ccsds_time_code_from_p_field(buf[0]);
assert!(time_code.is_ok());
assert_eq!(time_code.unwrap(), CcsdsTimeCodes::CucCcsdsEpoch);
assert_eq!(time_code.unwrap(), CcsdsTimeCode::CucCcsdsEpoch);
assert_eq!((buf[0] >> 2) & 0b11, 0b11);
assert_eq!(buf[0] & 0b11, 0);
let raw_counter = u32::from_be_bytes(buf[1..5].try_into().unwrap());
@ -869,10 +867,11 @@ mod tests {
#[test]
fn test_datetime_now() {
let now = chrono::Utc::now();
let cuc_now = TimeProviderCcsdsEpoch::from_now(FractionalResolution::SixtyNs, LEAP_SECONDS);
let cuc_now = CucTime::from_now(FractionalResolution::SixtyNs, LEAP_SECONDS);
assert!(cuc_now.is_ok());
let cuc_now = cuc_now.unwrap();
let dt_opt = cuc_now.chrono_date_time();
let ccsds_cuc = cuc_now.to_leap_sec_helper(LEAP_SECONDS);
let dt_opt = ccsds_cuc.chrono_date_time();
if let chrono::LocalResult::Single(dt) = dt_opt {
let diff = dt - now;
assert!(diff.num_milliseconds() < 1000);
@ -886,16 +885,9 @@ mod tests {
#[test]
fn test_read_no_fractions() {
let mut buf: [u8; 16] = [0; 16];
let zero_cuc = TimeProviderCcsdsEpoch::new_generic(
WidthCounterPair(4, 0x20102030),
None,
LEAP_SECONDS,
)
.unwrap();
let zero_cuc = CucTime::new_generic(WidthCounterPair(4, 0x20102030), None).unwrap();
zero_cuc.write_to_bytes(&mut buf).unwrap();
let cuc_read_back =
TimeProviderCcsdsEpoch::from_bytes_with_leap_seconds(&buf, LEAP_SECONDS)
.expect("reading cuc timestamp failed");
let cuc_read_back = CucTime::from_bytes(&buf).expect("reading cuc timestamp failed");
assert_eq!(cuc_read_back, zero_cuc);
assert_eq!(cuc_read_back.width_counter_pair().1, 0x20102030);
assert_eq!(cuc_read_back.width_fractions_pair(), None);
@ -905,8 +897,7 @@ mod tests {
fn invalid_read_len() {
let mut buf: [u8; 16] = [0; 16];
for i in 0..2 {
let res =
TimeProviderCcsdsEpoch::from_bytes_with_leap_seconds(&buf[0..i], LEAP_SECONDS);
let res = CucTime::from_bytes(&buf[0..i]);
assert!(res.is_err());
let err = res.unwrap_err();
if let TimestampError::ByteConversion(ByteConversionError::FromSliceTooSmall {
@ -918,12 +909,10 @@ mod tests {
assert_eq!(expected, 2);
}
}
let large_stamp =
TimeProviderCcsdsEpoch::new_with_fine_fractions(22, 300, LEAP_SECONDS).unwrap();
let large_stamp = CucTime::new_with_fine_fractions(22, 300).unwrap();
large_stamp.write_to_bytes(&mut buf).unwrap();
for i in 2..large_stamp.len_as_bytes() - 1 {
let res =
TimeProviderCcsdsEpoch::from_bytes_with_leap_seconds(&buf[0..i], LEAP_SECONDS);
let res = CucTime::from_bytes(&buf[0..i]);
assert!(res.is_err());
let err = res.unwrap_err();
if let TimestampError::ByteConversion(ByteConversionError::FromSliceTooSmall {
@ -940,7 +929,7 @@ mod tests {
#[test]
fn write_and_read_tiny_stamp() {
let mut buf = [0; 2];
let cuc = TimeProviderCcsdsEpoch::new_generic(WidthCounterPair(1, 200), None, LEAP_SECONDS);
let cuc = CucTime::new_generic(WidthCounterPair(1, 200), None);
assert!(cuc.is_ok());
let cuc = cuc.unwrap();
assert_eq!(cuc.len_as_bytes(), 2);
@ -949,8 +938,7 @@ mod tests {
let written = res.unwrap();
assert_eq!(written, 2);
assert_eq!(buf[1], 200);
let cuc_read_back =
TimeProviderCcsdsEpoch::from_bytes_with_leap_seconds(&buf, LEAP_SECONDS);
let cuc_read_back = CucTime::from_bytes(&buf);
assert!(cuc_read_back.is_ok());
let cuc_read_back = cuc_read_back.unwrap();
assert_eq!(cuc_read_back, cuc);
@ -959,8 +947,7 @@ mod tests {
#[test]
fn write_slightly_larger_stamp() {
let mut buf = [0; 4];
let cuc =
TimeProviderCcsdsEpoch::new_generic(WidthCounterPair(2, 40000), None, LEAP_SECONDS);
let cuc = CucTime::new_generic(WidthCounterPair(2, 40000), None);
assert!(cuc.is_ok());
let cuc = cuc.unwrap();
assert_eq!(cuc.len_as_bytes(), 3);
@ -969,8 +956,7 @@ mod tests {
let written = res.unwrap();
assert_eq!(written, 3);
assert_eq!(u16::from_be_bytes(buf[1..3].try_into().unwrap()), 40000);
let cuc_read_back =
TimeProviderCcsdsEpoch::from_bytes_with_leap_seconds(&buf, LEAP_SECONDS);
let cuc_read_back = CucTime::from_bytes(&buf);
assert!(cuc_read_back.is_ok());
let cuc_read_back = cuc_read_back.unwrap();
assert_eq!(cuc_read_back, cuc);
@ -982,11 +968,7 @@ mod tests {
#[test]
fn write_read_three_byte_cntr_stamp() {
let mut buf = [0; 4];
let cuc = TimeProviderCcsdsEpoch::new_generic(
WidthCounterPair(3, 2_u32.pow(24) - 2),
None,
LEAP_SECONDS,
);
let cuc = CucTime::new_generic(WidthCounterPair(3, 2_u32.pow(24) - 2), None);
assert!(cuc.is_ok());
let cuc = cuc.unwrap();
assert_eq!(cuc.len_as_bytes(), 4);
@ -997,8 +979,7 @@ mod tests {
let mut temp_buf = [0; 4];
temp_buf[1..4].copy_from_slice(&buf[1..4]);
assert_eq!(u32::from_be_bytes(temp_buf), 2_u32.pow(24) - 2);
let cuc_read_back =
TimeProviderCcsdsEpoch::from_bytes_with_leap_seconds(&buf, LEAP_SECONDS);
let cuc_read_back = CucTime::from_bytes(&buf);
assert!(cuc_read_back.is_ok());
let cuc_read_back = cuc_read_back.unwrap();
assert_eq!(cuc_read_back, cuc);
@ -1007,7 +988,7 @@ mod tests {
#[test]
fn test_write_invalid_buf() {
let mut buf: [u8; 16] = [0; 16];
let res = TimeProviderCcsdsEpoch::new_with_fine_fractions(0, 0, LEAP_SECONDS);
let res = CucTime::new_with_fine_fractions(0, 0);
let cuc = res.unwrap();
for i in 0..cuc.len_as_bytes() - 1 {
let err = cuc.write_to_bytes(&mut buf[0..i]);
@ -1028,13 +1009,13 @@ mod tests {
#[test]
fn invalid_ccsds_stamp_type() {
let mut buf: [u8; 16] = [0; 16];
buf[0] |= (CcsdsTimeCodes::CucAgencyEpoch as u8) << 4;
let res = TimeProviderCcsdsEpoch::from_bytes_with_leap_seconds(&buf, LEAP_SECONDS);
buf[0] |= (CcsdsTimeCode::CucAgencyEpoch as u8) << 4;
let res = CucTime::from_bytes(&buf);
assert!(res.is_err());
let err = res.unwrap_err();
if let TimestampError::InvalidTimeCode { expected, found } = err {
assert_eq!(expected, CcsdsTimeCodes::CucCcsdsEpoch);
assert_eq!(found, CcsdsTimeCodes::CucAgencyEpoch as u8);
assert_eq!(expected, CcsdsTimeCode::CucCcsdsEpoch);
assert_eq!(found, CcsdsTimeCode::CucAgencyEpoch as u8);
} else {
panic!("unexpected error: {}", err);
}
@ -1043,7 +1024,7 @@ mod tests {
#[test]
fn test_write_with_coarse_fractions() {
let mut buf: [u8; 16] = [0; 16];
let cuc = TimeProviderCcsdsEpoch::new_with_coarse_fractions(0x30201060, 120, LEAP_SECONDS);
let cuc = CucTime::new_with_coarse_fractions(0x30201060, 120);
assert!(cuc.fractions.is_some());
assert_eq!(cuc.fractions.unwrap().1, 120);
assert_eq!(cuc.fractions.unwrap().0, FractionalResolution::FourMs);
@ -1062,10 +1043,10 @@ mod tests {
#[test]
fn test_read_with_coarse_fractions() {
let mut buf: [u8; 16] = [0; 16];
let cuc = TimeProviderCcsdsEpoch::new_with_coarse_fractions(0x30201060, 120, LEAP_SECONDS);
let cuc = CucTime::new_with_coarse_fractions(0x30201060, 120);
let res = cuc.write_to_bytes(&mut buf);
assert!(res.is_ok());
let res = TimeProviderCcsdsEpoch::from_bytes_with_leap_seconds(&buf, LEAP_SECONDS);
let res = CucTime::from_bytes(&buf);
assert!(res.is_ok());
let read_back = res.unwrap();
assert_eq!(read_back, cuc);
@ -1074,8 +1055,7 @@ mod tests {
#[test]
fn test_write_with_medium_fractions() {
let mut buf: [u8; 16] = [0; 16];
let cuc =
TimeProviderCcsdsEpoch::new_with_medium_fractions(0x30303030, 30000, LEAP_SECONDS);
let cuc = CucTime::new_with_medium_fractions(0x30303030, 30000);
let res = cuc.write_to_bytes(&mut buf);
assert!(res.is_ok());
let written = res.unwrap();
@ -1087,11 +1067,10 @@ mod tests {
#[test]
fn test_read_with_medium_fractions() {
let mut buf: [u8; 16] = [0; 16];
let cuc =
TimeProviderCcsdsEpoch::new_with_medium_fractions(0x30303030, 30000, LEAP_SECONDS);
let cuc = CucTime::new_with_medium_fractions(0x30303030, 30000);
let res = cuc.write_to_bytes(&mut buf);
assert!(res.is_ok());
let res = TimeProviderCcsdsEpoch::from_bytes_with_leap_seconds(&buf, LEAP_SECONDS);
let res = CucTime::from_bytes(&buf);
assert!(res.is_ok());
let cuc_read_back = res.unwrap();
assert_eq!(cuc_read_back, cuc);
@ -1100,11 +1079,7 @@ mod tests {
#[test]
fn test_write_with_fine_fractions() {
let mut buf: [u8; 16] = [0; 16];
let cuc = TimeProviderCcsdsEpoch::new_with_fine_fractions(
0x30303030,
u16::MAX as u32 + 60000,
LEAP_SECONDS,
);
let cuc = CucTime::new_with_fine_fractions(0x30303030, u16::MAX as u32 + 60000);
assert!(cuc.is_ok());
let cuc = cuc.unwrap();
let res = cuc.write_to_bytes(&mut buf);
@ -1119,16 +1094,12 @@ mod tests {
#[test]
fn test_read_with_fine_fractions() {
let mut buf: [u8; 16] = [0; 16];
let cuc = TimeProviderCcsdsEpoch::new_with_fine_fractions(
0x30303030,
u16::MAX as u32 + 60000,
LEAP_SECONDS,
);
let cuc = CucTime::new_with_fine_fractions(0x30303030, u16::MAX as u32 + 60000);
assert!(cuc.is_ok());
let cuc = cuc.unwrap();
let res = cuc.write_to_bytes(&mut buf);
assert!(res.is_ok());
let res = TimeProviderCcsdsEpoch::from_bytes_with_leap_seconds(&buf, LEAP_SECONDS);
let res = CucTime::from_bytes(&buf);
assert!(res.is_ok());
let cuc_read_back = res.unwrap();
assert_eq!(cuc_read_back, cuc);
@ -1202,7 +1173,7 @@ mod tests {
#[test]
fn update_fractions() {
let mut stamp = TimeProviderCcsdsEpoch::new(2000, LEAP_SECONDS);
let mut stamp = CucTime::new(2000);
let res = stamp.set_fractions(FractionalPart(FractionalResolution::SixtyNs, 5000));
assert!(res.is_ok());
assert!(stamp.fractions.is_some());
@ -1213,13 +1184,13 @@ mod tests {
#[test]
fn set_fract_resolution() {
let mut stamp = TimeProviderCcsdsEpoch::new(2000, LEAP_SECONDS);
let mut stamp = CucTime::new(2000);
stamp.set_fractional_resolution(FractionalResolution::SixtyNs);
assert!(stamp.fractions.is_some());
let fractions = stamp.fractions.unwrap();
assert_eq!(fractions.0, FractionalResolution::SixtyNs);
assert_eq!(fractions.1, 0);
let res = stamp.update_from_now();
let res = stamp.update_from_now(LEAP_SECONDS);
assert!(res.is_ok());
}
@ -1233,7 +1204,12 @@ mod tests {
assert_eq!(fractions.1, 2_u32.pow(3 * 8) - 2);
}
fn check_stamp_after_addition(cuc_stamp: &TimeProviderCcsdsEpoch) {
fn check_stamp_after_addition(cuc_stamp: &CucTime) {
let cuc_with_leaps = cuc_stamp.to_leap_sec_helper(LEAP_SECONDS);
assert_eq!(
cuc_with_leaps.ccdsd_time_code(),
CcsdsTimeCode::CucCcsdsEpoch
);
assert_eq!(cuc_stamp.width_counter_pair().1, 202);
let fractions = cuc_stamp.width_fractions_pair().unwrap().1;
let expected_val =
@ -1248,7 +1224,7 @@ mod tests {
#[test]
fn add_duration_basic() {
let mut cuc_stamp = TimeProviderCcsdsEpoch::new(200, LEAP_SECONDS);
let mut cuc_stamp = CucTime::new(200);
cuc_stamp.set_fractional_resolution(FractionalResolution::FifteenUs);
let duration = Duration::from_millis(2500);
cuc_stamp += duration;
@ -1257,7 +1233,7 @@ mod tests {
#[test]
fn add_duration_basic_on_ref() {
let mut cuc_stamp = TimeProviderCcsdsEpoch::new(200, LEAP_SECONDS);
let mut cuc_stamp = CucTime::new(200);
cuc_stamp.set_fractional_resolution(FractionalResolution::FifteenUs);
let duration = Duration::from_millis(2500);
let new_stamp = cuc_stamp + duration;
@ -1266,7 +1242,7 @@ mod tests {
#[test]
fn add_duration_basic_no_fractions() {
let mut cuc_stamp = TimeProviderCcsdsEpoch::new(200, LEAP_SECONDS);
let mut cuc_stamp = CucTime::new(200);
let duration = Duration::from_millis(2000);
cuc_stamp += duration;
assert_eq!(cuc_stamp.counter(), 202);
@ -1275,7 +1251,7 @@ mod tests {
#[test]
fn add_duration_basic_on_ref_no_fractions() {
let cuc_stamp = TimeProviderCcsdsEpoch::new(200, LEAP_SECONDS);
let cuc_stamp = CucTime::new(200);
let duration = Duration::from_millis(2000);
let new_stamp = cuc_stamp + duration;
assert_eq!(new_stamp.counter(), 202);
@ -1283,9 +1259,7 @@ mod tests {
}
#[test]
fn add_duration_overflow() {
let mut cuc_stamp =
TimeProviderCcsdsEpoch::new_generic(WidthCounterPair(1, 255), None, LEAP_SECONDS)
.unwrap();
let mut cuc_stamp = CucTime::new_generic(WidthCounterPair(1, 255), None).unwrap();
let duration = Duration::from_secs(10);
cuc_stamp += duration;
assert_eq!(cuc_stamp.counter.1, 10);
@ -1293,7 +1267,7 @@ mod tests {
#[test]
fn test_invalid_width_param() {
let error = TimeProviderCcsdsEpoch::new_generic(WidthCounterPair(8, 0), None, LEAP_SECONDS);
let error = CucTime::new_generic(WidthCounterPair(8, 0), None);
assert!(error.is_err());
let error = error.unwrap_err();
if let CucError::InvalidCounterWidth(width) = error {
@ -1307,18 +1281,14 @@ mod tests {
#[test]
fn test_from_dt() {
let dt = chrono::Utc.with_ymd_and_hms(2021, 1, 1, 0, 0, 0).unwrap();
let cuc = TimeProviderCcsdsEpoch::from_chrono_date_time(
&dt,
FractionalResolution::Seconds,
LEAP_SECONDS,
)
.unwrap();
let cuc = CucTime::from_chrono_date_time(&dt, FractionalResolution::Seconds, LEAP_SECONDS)
.unwrap();
assert_eq!(cuc.counter(), dt.timestamp() as u32 + LEAP_SECONDS);
}
#[test]
fn test_new_u16_width() {
let cuc = TimeProviderCcsdsEpoch::new_u16_counter(0, LEAP_SECONDS);
let cuc = CucTime::new_u16_counter(0);
assert_eq!(cuc.width(), 2);
assert_eq!(cuc.counter(), 0);
}
@ -1326,12 +1296,9 @@ mod tests {
#[test]
fn from_unix_stamp() {
let unix_stamp = UnixTime::new(0, 0);
let cuc = TimeProviderCcsdsEpoch::from_unix_stamp(
&unix_stamp,
FractionalResolution::Seconds,
LEAP_SECONDS,
)
.expect("failed to create cuc from unix stamp");
let cuc =
CucTime::from_unix_stamp(&unix_stamp, FractionalResolution::Seconds, LEAP_SECONDS)
.expect("failed to create cuc from unix stamp");
assert_eq!(
cuc.counter(),
(-DAYS_CCSDS_TO_UNIX * SECONDS_PER_DAY as i32) as u32
@ -1340,8 +1307,7 @@ mod tests {
#[test]
fn test_invalid_counter() {
let cuc_error =
TimeProviderCcsdsEpoch::new_generic(WidthCounterPair(1, 256), None, LEAP_SECONDS);
let cuc_error = CucTime::new_generic(WidthCounterPair(1, 256), None);
assert!(cuc_error.is_err());
let cuc_error = cuc_error.unwrap_err();
if let CucError::InvalidCounter { width, counter } = cuc_error {
@ -1355,7 +1321,7 @@ mod tests {
#[test]
fn test_stamp_to_vec() {
let stamp = TimeProviderCcsdsEpoch::new_u16_counter(100, LEAP_SECONDS);
let stamp = CucTime::new_u16_counter(100);
let stamp_vec = stamp.to_vec().unwrap();
let mut buf: [u8; 16] = [0; 16];
stamp.write_to_bytes(&mut buf).unwrap();

64
src/time/mod.rs
View File

@ -33,7 +33,7 @@ pub const NANOS_PER_SECOND: u32 = 1_000_000_000;
#[derive(Debug, PartialEq, Eq, Copy, Clone)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub enum CcsdsTimeCodes {
pub enum CcsdsTimeCode {
CucCcsdsEpoch = 0b001,
CucAgencyEpoch = 0b010,
Cds = 0b100,
@ -41,16 +41,16 @@ pub enum CcsdsTimeCodes {
AgencyDefined = 0b110,
}
impl TryFrom<u8> for CcsdsTimeCodes {
impl TryFrom<u8> for CcsdsTimeCode {
type Error = ();
fn try_from(value: u8) -> Result<Self, Self::Error> {
match value {
x if x == CcsdsTimeCodes::CucCcsdsEpoch as u8 => Ok(CcsdsTimeCodes::CucCcsdsEpoch),
x if x == CcsdsTimeCodes::CucAgencyEpoch as u8 => Ok(CcsdsTimeCodes::CucAgencyEpoch),
x if x == CcsdsTimeCodes::Cds as u8 => Ok(CcsdsTimeCodes::Cds),
x if x == CcsdsTimeCodes::Ccs as u8 => Ok(CcsdsTimeCodes::Ccs),
x if x == CcsdsTimeCodes::AgencyDefined as u8 => Ok(CcsdsTimeCodes::AgencyDefined),
x if x == CcsdsTimeCode::CucCcsdsEpoch as u8 => Ok(CcsdsTimeCode::CucCcsdsEpoch),
x if x == CcsdsTimeCode::CucAgencyEpoch as u8 => Ok(CcsdsTimeCode::CucAgencyEpoch),
x if x == CcsdsTimeCode::Cds as u8 => Ok(CcsdsTimeCode::Cds),
x if x == CcsdsTimeCode::Ccs as u8 => Ok(CcsdsTimeCode::Ccs),
x if x == CcsdsTimeCode::AgencyDefined as u8 => Ok(CcsdsTimeCode::AgencyDefined),
_ => Err(()),
}
}
@ -58,16 +58,16 @@ impl TryFrom<u8> for CcsdsTimeCodes {
/// Retrieve the CCSDS time code from the p-field. If no valid time code identifier is found, the
/// value of the raw time code identification field is returned.
pub fn ccsds_time_code_from_p_field(pfield: u8) -> Result<CcsdsTimeCodes, u8> {
pub fn ccsds_time_code_from_p_field(pfield: u8) -> Result<CcsdsTimeCode, u8> {
let raw_bits = (pfield >> 4) & 0b111;
CcsdsTimeCodes::try_from(raw_bits).map_err(|_| raw_bits)
CcsdsTimeCode::try_from(raw_bits).map_err(|_| raw_bits)
}
#[derive(Debug, PartialEq, Eq, Copy, Clone)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
#[non_exhaustive]
pub enum TimestampError {
InvalidTimeCode { expected: CcsdsTimeCodes, found: u8 },
InvalidTimeCode { expected: CcsdsTimeCode, found: u8 },
ByteConversion(ByteConversionError),
Cds(cds::CdsError),
Cuc(cuc::CucError),
@ -208,21 +208,14 @@ pub trait TimeWriter {
}
pub trait TimeReader: Sized {
fn from_bytes(buf: &[u8]) -> Result<Self, TimestampError> {
Self::from_bytes_generic(buf, None)
}
fn from_bytes_with_leap_seconds(buf: &[u8], leap_seconds: u32) -> Result<Self, TimestampError> {
Self::from_bytes_generic(buf, Some(leap_seconds))
}
fn from_bytes_generic(buf: &[u8], leap_seconds: Option<u32>) -> Result<Self, TimestampError>;
fn from_bytes(buf: &[u8]) -> Result<Self, TimestampError>;
}
/// Trait for generic CCSDS time providers.
///
/// The UNIX helper methods and the [Self::date_time] method are not strictly necessary but extremely
/// The UNIX helper methods and the helper method are not strictly necessary but extremely
/// practical because they are a very common and simple exchange format for time information.
/// Therefore, it was decided to keep them in this trait as well.
pub trait CcsdsTimeProvider {
fn len_as_bytes(&self) -> usize;
@ -231,7 +224,7 @@ pub trait CcsdsTimeProvider {
/// entry denotes the length of the pfield and the second entry is the value of the pfield
/// in big endian format.
fn p_field(&self) -> (usize, [u8; 2]);
fn ccdsd_time_code(&self) -> CcsdsTimeCodes;
fn ccdsd_time_code(&self) -> CcsdsTimeCode;
fn unix_secs(&self) -> i64;
fn subsec_nanos(&self) -> u32;
@ -253,10 +246,8 @@ pub trait CcsdsTimeProvider {
#[cfg(feature = "timelib")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "timelib")))]
fn timelib_date_time(&self) -> Result<time::OffsetDateTime, time::error::ComponentRange> {
Ok(
time::OffsetDateTime::from_unix_timestamp(self.unix_seconds())?
+ time::Duration::nanoseconds(self.subsecond_nanos().into()),
)
Ok(time::OffsetDateTime::from_unix_timestamp(self.unix_secs())?
+ time::Duration::nanoseconds(self.subsec_nanos().into()))
}
}
@ -374,11 +365,9 @@ impl UnixTime {
#[cfg(feature = "timelib")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "timelib")))]
fn timelib_date_time(&self) -> Result<time::OffsetDateTime, time::error::ComponentRange> {
Ok(
time::OffsetDateTime::from_unix_timestamp(self.unix_seconds())?
+ time::Duration::nanoseconds(self.subsecond_nanos().into()),
)
pub fn timelib_date_time(&self) -> Result<time::OffsetDateTime, time::error::ComponentRange> {
Ok(time::OffsetDateTime::from_unix_timestamp(self.secs())?
+ time::Duration::nanoseconds(self.subsec_nanos().into()))
}
// Calculate the difference in milliseconds between two UnixTimestamps
@ -651,7 +640,7 @@ mod tests {
fn test_addition() {
let mut stamp0 = UnixTime::new_only_secs(1);
stamp0 += Duration::from_secs(5);
assert_eq!(stamp0.secs, 6);
assert_eq!(stamp0.secs(), 6);
assert_eq!(stamp0.subsec_millis(), 0);
let stamp1 = stamp0 + Duration::from_millis(500);
assert_eq!(stamp1.secs, 6);
@ -737,4 +726,17 @@ mod tests {
let stamp_error = TimestampError::from(cuc_error);
assert_eq!(stamp_error.to_string(), format!("cuc error: {cuc_error}"));
}
#[test]
#[cfg(feature = "timelib")]
fn test_unix_stamp_as_timelib_datetime() {
let stamp_epoch = UnixTime::EPOCH;
let timelib_dt = stamp_epoch.timelib_date_time().unwrap();
assert_eq!(timelib_dt.year(), 1970);
assert_eq!(timelib_dt.month(), time::Month::January);
assert_eq!(timelib_dt.day(), 1);
assert_eq!(timelib_dt.hour(), 0);
assert_eq!(timelib_dt.minute(), 0);
assert_eq!(timelib_dt.second(), 0);
}
}