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cbax 2024-09-29 00:16:07 -04:00
parent a228e1fe2e
commit b588ddc6f5
1 changed files with 96 additions and 157 deletions
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161
src/lib.rs
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@ -1,9 +1,9 @@
use std::time::{SystemTime, UNIX_EPOCH}; use std::time::{SystemTime, UNIX_EPOCH};
#[derive(Debug)] #[derive(Clone, Debug)]
pub enum Version { pub enum Version {
ENHANCED, ENHANCED,
EXTENDED EXTENDED,
} }
#[derive(Debug)] #[derive(Debug)]
@ -12,14 +12,14 @@ pub struct Icechip<T> {
timestamp: T, timestamp: T,
machine_id: T, machine_id: T,
sequence_id: T, sequence_id: T,
epoch: Option<u64> epoch: Option<u128>,
} }
impl fmt::Display for Icechip<T> { /*impl fmt::Display for Icechip<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.into::<T>()); write!(f, "{}", self.into::<T>());
} }
} }*/
impl Into<u64> for Icechip<u64> { impl Into<u64> for Icechip<u64> {
fn into(self) -> u64 { fn into(self) -> u64 {
@ -37,7 +37,7 @@ impl From<u64> for Icechip<u64> {
timestamp: value.checked_shr(23).unwrap(), timestamp: value.checked_shr(23).unwrap(),
machine_id: value.checked_shl(41).unwrap().checked_shr(53).unwrap(), machine_id: value.checked_shl(41).unwrap().checked_shr(53).unwrap(),
sequence_id: value.checked_shl(52).unwrap().checked_shr(52).unwrap(), sequence_id: value.checked_shl(52).unwrap().checked_shr(52).unwrap(),
epoch: None epoch: None,
}; };
} }
} }
@ -56,37 +56,46 @@ impl From<u128> for Icechip<u128> {
return Icechip { return Icechip {
version: Version::EXTENDED, version: Version::EXTENDED,
timestamp: value.checked_shr(64).unwrap(), timestamp: value.checked_shr(64).unwrap(),
machine_id: value.checked_shr(32).unwrap().checked_shl(64).unwrap().checked_shr(64).unwrap(), machine_id: value
.checked_shr(32)
.unwrap()
.checked_shl(64)
.unwrap()
.checked_shr(64)
.unwrap(),
sequence_id: value.checked_shl(96).unwrap().checked_shr(96).unwrap(), sequence_id: value.checked_shl(96).unwrap().checked_shr(96).unwrap(),
epoch: None epoch: None,
}; };
} }
} }
impl<T> Icechip<T> {
pub fn set_epoch(mut self, epoch: u128) {
self.epoch = Some(epoch);
}
}
impl Icechip<u64> { impl Icechip<u64> {
pub fn new(version: Version, epoch: Option<u64>) -> Icechip<T> { pub fn new(version: Version, epoch: Option<u128>) -> Icechip<u64> {
todo!(); todo!();
} }
// the offset will get subtracted from the unix epoch before being used in the Icechip. fn offset_epoch(&self, timestamp: u128) -> u64 {
pub fn set_epoch(mut self, epoch: u64) { match self.epoch {
self.epoch = Some(epoch); Some(s) => return (timestamp - s) as u64,
None => return timestamp as u64,
}
} }
pub fn tick<T: Shl + Shr + Clone>(&self) -> Icechip<T> { pub fn tick(&self) -> Icechip<u64> {
/* match SystemTime::now().duration_since(UNIX_EPOCH) {
- if current timestamp in relation to self does not equal self, return an updated value, else increment the sequence
- if sequence is going to overflow, sleep 1 ms
*/
match SystemTime::now().duration_since(UNIX_EPOCH).as_millis() {
Ok(o) => { Ok(o) => {
match self.version { let o = o.as_millis();
Version::ENHANCED => {
let curr_ts = match self.epoch { let curr_ts = match self.epoch {
Some(s) => (o - s).checked_shl(23).unwrap().checked_shr(23).unwrap(), Some(s) => (o - s).checked_shl(23).unwrap().checked_shr(23).unwrap(),
None => o.checked_shl(23).unwrap().checked_shr(23).unwrap(), None => o.checked_shl(23).unwrap().checked_shr(23).unwrap(),
} };
if self.timestamp == curr_ts { if self.timestamp as u128 == curr_ts {
if (self.sequence_id + 1) > 1023 { if (self.sequence_id + 1) > 1023 {
std::thread::sleep(std::time::Duration::from_millis(1)); std::thread::sleep(std::time::Duration::from_millis(1));
return self.tick(); return self.tick();
@ -96,49 +105,19 @@ impl Icechip<u64> {
timestamp: self.timestamp.clone(), timestamp: self.timestamp.clone(),
machine_id: self.machine_id.clone(), machine_id: self.machine_id.clone(),
sequence_id: self.sequence_id.clone() + 1, sequence_id: self.sequence_id.clone() + 1,
epoch: self.epoch.clone() epoch: self.epoch.clone(),
} };
} }
} else { } else {
return Icechip { return Icechip {
version: self.version.clone(), version: self.version.clone(),
timestamp: curr_ts.clone(), timestamp: self.offset_epoch(curr_ts.clone()),
machine_id: self.machine_id.clone(), machine_id: self.machine_id.clone(),
sequence_id: 0, sequence_id: 0,
epoch: self.epoch.clone() epoch: self.epoch.clone(),
};
} }
} }
},
Version::EXTENDED => {
let curr_ts = match self.epoch {
Some(s) => (o - s),
None => o,
}
if self.timestamp == curr_ts {
if (self.sequence_id + 1) > u32::MAX {
std::thread::sleep(std::time:Duration::from_millis(1));
return self.tick();
} else {
return Icechip {
version: self.version.clone(),
timestamp: self.timestamp.clone(),
machine_id: self.machine_id.clone(),
sequence_id: self.sequence_id.clone() + 1,
epoch: self.epoch.clone()
}
}
} else {
return Icechip {
version: self.version.clone(),
timestamp: o.clone(),
machine_id: self.machine_id.clone(),
sequence_id: 0,
epoch: self.epoch.clone()
}
}
},
}
},
Err(_) => { Err(_) => {
std::thread::sleep(std::time::Duration::from_millis(1)); std::thread::sleep(std::time::Duration::from_millis(1));
return self.tick(); return self.tick();
@ -146,7 +125,7 @@ impl Icechip<u64> {
} }
} }
pub fn with_id(machine_id: u32, version: Version) -> Icechip<T> { pub fn with_id(machine_id: u32, version: Version) -> Icechip<u64> {
todo!(); todo!();
/*match version { /*match version {
Version::ENHANCED => { Version::ENHANCED => {
@ -160,30 +139,20 @@ impl Icechip<u64> {
} }
impl Icechip<u128> { impl Icechip<u128> {
pub fn new(version: Version, epoch: Option<u64>) -> Icechip<T> { pub fn new(version: Version, epoch: Option<u128>) -> Icechip<u128> {
todo!(); todo!();
} }
// the offset will get subtracted from the unix epoch before being used in the Icechip. pub fn tick(&self) -> Icechip<u128> {
pub fn set_epoch(mut self, epoch: u64) { match SystemTime::now().duration_since(UNIX_EPOCH) {
self.epoch = Some(epoch);
}
pub fn tick<T: Shl + Shr + Clone>(&self) -> Icechip<T> {
/*
- if current timestamp in relation to self does not equal self, return an updated value, else increment the sequence
- if sequence is going to overflow, sleep 1 ms
*/
match SystemTime::now().duration_since(UNIX_EPOCH).as_millis() {
Ok(o) => { Ok(o) => {
match self.version { let o = o.as_millis();
Version::ENHANCED => {
let curr_ts = match self.epoch { let curr_ts = match self.epoch {
Some(s) => (o - s).checked_shl(23).unwrap().checked_shr(23).unwrap(), Some(s) => o - s as u128,
None => o.checked_shl(23).unwrap().checked_shr(23).unwrap(), None => o,
} };
if self.timestamp == curr_ts { if self.timestamp == curr_ts {
if (self.sequence_id + 1) > 1023 { if (self.sequence_id + 1) > u32::MAX as u128 {
std::thread::sleep(std::time::Duration::from_millis(1)); std::thread::sleep(std::time::Duration::from_millis(1));
return self.tick(); return self.tick();
} else { } else {
@ -192,36 +161,8 @@ impl Icechip<u128> {
timestamp: self.timestamp.clone(), timestamp: self.timestamp.clone(),
machine_id: self.machine_id.clone(), machine_id: self.machine_id.clone(),
sequence_id: self.sequence_id.clone() + 1, sequence_id: self.sequence_id.clone() + 1,
epoch: self.epoch.clone() epoch: self.epoch.clone(),
} };
}
} else {
return Icechip {
version: self.version.clone(),
timestamp: curr_ts.clone(),
machine_id: self.machine_id.clone(),
sequence_id: 0,
epoch: self.epoch.clone()
}
}
},
Version::EXTENDED => {
let curr_ts = match self.epoch {
Some(s) => (o - s),
None => o,
}
if self.timestamp == curr_ts {
if (self.sequence_id + 1) > u32::MAX {
std::thread::sleep(std::time:Duration::from_millis(1));
return self.tick();
} else {
return Icechip {
version: self.version.clone(),
timestamp: self.timestamp.clone(),
machine_id: self.machine_id.clone(),
sequence_id: self.sequence_id.clone() + 1,
epoch: self.epoch.clone()
}
} }
} else { } else {
return Icechip { return Icechip {
@ -229,12 +170,10 @@ impl Icechip<u128> {
timestamp: o.clone(), timestamp: o.clone(),
machine_id: self.machine_id.clone(), machine_id: self.machine_id.clone(),
sequence_id: 0, sequence_id: 0,
epoch: self.epoch.clone() epoch: self.epoch.clone(),
};
} }
} }
},
}
},
Err(_) => { Err(_) => {
std::thread::sleep(std::time::Duration::from_millis(1)); std::thread::sleep(std::time::Duration::from_millis(1));
return self.tick(); return self.tick();
@ -242,7 +181,7 @@ impl Icechip<u128> {
} }
} }
pub fn with_id(machine_id: u32, version: Version) -> Icechip<T> { pub fn with_id(machine_id: u32, version: Version) -> Icechip<u128> {
todo!(); todo!();
/*match version { /*match version {
Version::ENHANCED => { Version::ENHANCED => {