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-rw-r--r--src/table/data.rs30
-rw-r--r--src/table/schema.rs23
-rw-r--r--src/table/sync.rs6
-rw-r--r--src/table/table.rs7
4 files changed, 35 insertions, 31 deletions
diff --git a/src/table/data.rs b/src/table/data.rs
index 40856b02..f93ed00d 100644
--- a/src/table/data.rs
+++ b/src/table/data.rs
@@ -10,6 +10,7 @@ use garage_db::counted_tree_hack::CountedTree;
use garage_util::data::*;
use garage_util::error::*;
+use garage_util::migrate::Migrate;
use garage_rpc::system::System;
@@ -219,7 +220,8 @@ where
// data format, the messagepack encoding changed. In this case,
// we also have to write the migrated value in the table and update
// the associated Merkle tree entry.
- let new_bytes = rmp_to_vec_all_named(&new_entry)
+ let new_bytes = new_entry
+ .encode()
.map_err(Error::RmpEncode)
.map_err(db::TxError::Abort)?;
let changed = Some(&new_bytes[..]) != old_bytes.as_deref();
@@ -329,9 +331,9 @@ where
Some(old_v) => {
let mut entry = self.decode_entry(&old_v).map_err(db::TxError::Abort)?;
entry.merge(ins);
- rmp_to_vec_all_named(&entry)
+ entry.encode()
}
- None => rmp_to_vec_all_named(ins),
+ None => ins.encode(),
};
let new_entry = new_entry
.map_err(Error::RmpEncode)
@@ -351,18 +353,18 @@ where
}
pub fn decode_entry(&self, bytes: &[u8]) -> Result<F::E, Error> {
- match rmp_serde::decode::from_read_ref::<_, F::E>(bytes) {
- Ok(x) => Ok(x),
- Err(e) => match F::try_migrate(bytes) {
- Some(x) => Ok(x),
- None => {
- warn!("Unable to decode entry of {}: {}", F::TABLE_NAME, e);
- for line in hexdump::hexdump_iter(bytes) {
- debug!("{}", line);
- }
- Err(e.into())
+ match F::E::decode(bytes) {
+ Some(x) => Ok(x),
+ None => {
+ error!("Unable to decode entry of {}", F::TABLE_NAME);
+ for line in hexdump::hexdump_iter(bytes) {
+ debug!("{}", line);
}
- },
+ Err(Error::Message(format!(
+ "Unable to decode entry of {}",
+ F::TABLE_NAME
+ )))
+ }
}
}
diff --git a/src/table/schema.rs b/src/table/schema.rs
index f37e98d8..6538a32f 100644
--- a/src/table/schema.rs
+++ b/src/table/schema.rs
@@ -2,6 +2,7 @@ use serde::{Deserialize, Serialize};
use garage_db as db;
use garage_util::data::*;
+use garage_util::migrate::Migrate;
use crate::crdt::Crdt;
@@ -46,7 +47,7 @@ impl SortKey for FixedBytes32 {
/// Trait for an entry in a table. It must be sortable and partitionnable.
pub trait Entry<P: PartitionKey, S: SortKey>:
- Crdt + PartialEq + Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync
+ Crdt + PartialEq + Clone + Migrate + Send + Sync + 'static
{
/// Get the key used to partition
fn partition_key(&self) -> &P;
@@ -65,23 +66,23 @@ pub trait TableSchema: Send + Sync + 'static {
const TABLE_NAME: &'static str;
/// The partition key used in that table
- type P: PartitionKey + Clone + PartialEq + Serialize + for<'de> Deserialize<'de> + Send + Sync;
+ type P: PartitionKey
+ + Clone
+ + PartialEq
+ + Serialize
+ + for<'de> Deserialize<'de>
+ + Send
+ + Sync
+ + 'static;
/// The sort key used int that table
- type S: SortKey + Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync;
+ type S: SortKey + Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync + 'static;
/// They type for an entry in that table
type E: Entry<Self::P, Self::S>;
/// The type for a filter that can be applied to select entries
/// (e.g. filter out deleted entries)
- type Filter: Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync;
-
- // Action to take if not able to decode current version:
- // try loading from an older version
- /// Try migrating an entry from an older version
- fn try_migrate(_bytes: &[u8]) -> Option<Self::E> {
- None
- }
+ type Filter: Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync + 'static;
/// Actions triggered by data changing in a table. If such actions
/// include updates to the local database that should be applied
diff --git a/src/table/sync.rs b/src/table/sync.rs
index d6d272ab..abc034f8 100644
--- a/src/table/sync.rs
+++ b/src/table/sync.rs
@@ -302,7 +302,7 @@ where
);
return Ok(());
}
- let root_ck_hash = hash_of::<MerkleNode>(&root_ck)?;
+ let root_ck_hash = hash_of_merkle_node(&root_ck)?;
// Check if they have the same root checksum
// If so, do nothing.
@@ -468,7 +468,7 @@ where
match message {
SyncRpc::RootCkHash(range, h) => {
let (_root_ck_key, root_ck) = self.get_root_ck(*range)?;
- let hash = hash_of::<MerkleNode>(&root_ck)?;
+ let hash = hash_of_merkle_node(&root_ck)?;
Ok(SyncRpc::RootCkDifferent(hash != *h))
}
SyncRpc::GetNode(k) => {
@@ -622,7 +622,7 @@ impl<F: TableSchema + 'static, R: TableReplication + 'static> Worker for SyncWor
// ---- UTIL ----
-fn hash_of<T: Serialize>(x: &T) -> Result<Hash, Error> {
+fn hash_of_merkle_node(x: &MerkleNode) -> Result<Hash, Error> {
Ok(blake2sum(&rmp_to_vec_all_named(x)?[..]))
}
diff --git a/src/table/table.rs b/src/table/table.rs
index bbcd5971..7f158314 100644
--- a/src/table/table.rs
+++ b/src/table/table.rs
@@ -18,6 +18,7 @@ use garage_util::background::BackgroundRunner;
use garage_util::data::*;
use garage_util::error::Error;
use garage_util::metrics::RecordDuration;
+use garage_util::migrate::Migrate;
use garage_rpc::system::System;
use garage_rpc::*;
@@ -122,7 +123,7 @@ where
let hash = e.partition_key().hash();
let who = self.data.replication.write_nodes(&hash);
- let e_enc = Arc::new(ByteBuf::from(rmp_to_vec_all_named(e)?));
+ let e_enc = Arc::new(ByteBuf::from(e.encode()?));
let rpc = TableRpc::<F>::Update(vec![e_enc]);
self.system
@@ -173,7 +174,7 @@ where
let entry = entry.borrow();
let hash = entry.partition_key().hash();
let who = self.data.replication.write_nodes(&hash);
- let e_enc = Arc::new(ByteBuf::from(rmp_to_vec_all_named(entry)?));
+ let e_enc = Arc::new(ByteBuf::from(entry.encode()?));
for node in who {
call_list.entry(node).or_default().push(e_enc.clone());
}
@@ -412,7 +413,7 @@ where
// =============== UTILITY FUNCTION FOR CLIENT OPERATIONS ===============
async fn repair_on_read(&self, who: &[Uuid], what: F::E) -> Result<(), Error> {
- let what_enc = Arc::new(ByteBuf::from(rmp_to_vec_all_named(&what)?));
+ let what_enc = Arc::new(ByteBuf::from(what.encode()?));
self.system
.rpc
.try_call_many(
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 13:20:48 +0000