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Code Issues Packages Projects Releases Wiki Activity

Refactor model stuff, including cleaner CRDTs

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This commit is contained in:
Alex Auvolat
2021-03-10 16:21:56 +01:00
parent 6a3dcf3974
commit f319a7d374
20 changed files with 591 additions and 457 deletions
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src/model/block_ref_table.rs
+8 -9
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@@ -1,9 +1,9 @@
use serde::{Deserialize, Serialize};
use std::sync::Arc;
use garage_util::background::*;
use garage_util::data::*;
use garage_table::crdt::CRDT;
use garage_table::*;
use crate::block::*;
@@ -17,7 +17,7 @@ pub struct BlockRef {
pub version: UUID,
// Keep track of deleted status
pub deleted: bool,
pub deleted: crdt::Bool,
}
impl Entry<Hash, UUID> for BlockRef {
@@ -27,16 +27,15 @@ impl Entry<Hash, UUID> for BlockRef {
fn sort_key(&self) -> &UUID {
&self.version
}
}
impl CRDT for BlockRef {
fn merge(&mut self, other: &Self) {
if other.deleted {
self.deleted = true;
}
self.deleted.merge(&other.deleted);
}
}
pub struct BlockRefTable {
pub background: Arc<BackgroundRunner>,
pub block_manager: Arc<BlockManager>,
}
@@ -48,8 +47,8 @@ impl TableSchema for BlockRefTable {
fn updated(&self, old: Option<Self::E>, new: Option<Self::E>) {
let block = &old.as_ref().or(new.as_ref()).unwrap().block;
let was_before = old.as_ref().map(|x| !x.deleted).unwrap_or(false);
let is_after = new.as_ref().map(|x| !x.deleted).unwrap_or(false);
let was_before = old.as_ref().map(|x| !x.deleted.get()).unwrap_or(false);
let is_after = new.as_ref().map(|x| !x.deleted.get()).unwrap_or(false);
if is_after && !was_before {
if let Err(e) = self.block_manager.block_incref(block) {
warn!("block_incref failed for block {:?}: {}", block, e);
@@ -63,6 +62,6 @@ impl TableSchema for BlockRefTable {
}
fn matches_filter(entry: &Self::E, filter: &Self::Filter) -> bool {
filter.apply(entry.deleted)
filter.apply(entry.deleted.get())
}
}