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Add serialization/deseriation support to event log

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See bincode and serde_json for usage:
https://github.com/TyOverby/bincode

Fixes #1
This commit is contained in:
Greg Fitzgerald
2018-02-20 16:26:11 -07:00
parent bd84cf6586
commit fa4e232d73
3 changed files with 11 additions and 6 deletions
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4
Cargo.toml
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@ -26,4 +26,6 @@ asm = ["sha2-asm"]
rayon = "1.0.0" rayon = "1.0.0"
sha2 = "0.7.0" sha2 = "0.7.0"
sha2-asm = {version="0.3", optional=true} sha2-asm = {version="0.3", optional=true}
digest = "0.7.2" generic-array = { version = "0.9.0", default-features = false, features = ["serde"] }
serde = "1.0.27"
serde_derive = "1.0.27"

5
src/lib.rs
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@ -1,6 +1,9 @@
#![cfg_attr(feature = "unstable", feature(test))] #![cfg_attr(feature = "unstable", feature(test))]
pub mod log; pub mod log;
pub mod historian; pub mod historian;
extern crate digest; extern crate generic_array;
extern crate rayon; extern crate rayon;
extern crate serde;
#[macro_use]
extern crate serde_derive;
extern crate sha2; extern crate sha2;

8
src/log.rs
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@ -13,11 +13,11 @@
/// fastest processor. Duration should therefore be estimated by assuming that the hash /// fastest processor. Duration should therefore be estimated by assuming that the hash
/// was generated by the fastest processor at the time the entry was logged. /// was generated by the fastest processor at the time the entry was logged.
use digest::generic_array::GenericArray; use generic_array::GenericArray;
use digest::generic_array::typenum::U32; use generic_array::typenum::U32;
pub type Sha256Hash = GenericArray<u8, U32>; pub type Sha256Hash = GenericArray<u8, U32>;
#[derive(Debug, PartialEq, Eq, Clone)] #[derive(Serialize, Deserialize, Debug, PartialEq, Eq, Clone)]
pub struct Entry { pub struct Entry {
pub num_hashes: u64, pub num_hashes: u64,
pub end_hash: Sha256Hash, pub end_hash: Sha256Hash,
@ -29,7 +29,7 @@ pub struct Entry {
/// be generated in 'num_hashes' hashes and verified in 'num_hashes' hashes. By logging /// be generated in 'num_hashes' hashes and verified in 'num_hashes' hashes. By logging
/// a hash alongside the tick, each tick and be verified in parallel using the 'end_hash' /// a hash alongside the tick, each tick and be verified in parallel using the 'end_hash'
/// of the preceding tick to seed its hashing. /// of the preceding tick to seed its hashing.
#[derive(Debug, PartialEq, Eq, Clone)] #[derive(Serialize, Deserialize, Debug, PartialEq, Eq, Clone)]
pub enum Event { pub enum Event {
Tick, Tick,
UserDataKey(Sha256Hash), UserDataKey(Sha256Hash),