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Make table name a const in trait

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This commit is contained in:
Alex Auvolat 2021-12-14 12:34:01 +01:00
parent 945b75dbf1
commit 8f6026de5e
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GPG key ID: EDABF9711E244EB1
13 changed files with 70 additions and 70 deletions
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2
src/garage/admin.rs
View file

@ -466,7 +466,7 @@ impl AdminRpcHandler {
F: TableSchema + 'static,
R: TableReplication + 'static,
{
writeln!(to, "\nTable stats for {}", t.data.name).unwrap();
writeln!(to, "\nTable stats for {}", F::TABLE_NAME).unwrap();
if opt.detailed {
writeln!(to, " number of items: {}", t.data.store.len()).unwrap();
writeln!(

2
src/model/block_ref_table.rs
View file

@ -44,6 +44,8 @@ pub struct BlockRefTable {
}
impl TableSchema for BlockRefTable {
const TABLE_NAME: &'static str = "block_ref";
type P = Hash;
type S = Uuid;
type E = BlockRef;

2
src/model/bucket_table.rs
View file

@ -114,6 +114,8 @@ impl Crdt for Bucket {
pub struct BucketTable;
impl TableSchema for BucketTable {
const TABLE_NAME: &'static str = "bucket";
type P = EmptyKey;
type S = String;
type E = Bucket;

19
src/model/garage.rs
View file

@ -93,7 +93,6 @@ impl Garage {
meta_rep_param.clone(),
system.clone(),
&db,
"block_ref".to_string(),
);
info!("Initialize version_table...");
@ -105,7 +104,6 @@ impl Garage {
meta_rep_param.clone(),
system.clone(),
&db,
"version".to_string(),
);
info!("Initialize object_table...");
@ -117,26 +115,13 @@ impl Garage {
meta_rep_param,
system.clone(),
&db,
"object".to_string(),
);
info!("Initialize bucket_table...");
let bucket_table = Table::new(
BucketTable,
control_rep_param.clone(),
system.clone(),
&db,
"bucket".to_string(),
);
let bucket_table = Table::new(BucketTable, control_rep_param.clone(), system.clone(), &db);
info!("Initialize key_table_table...");
let key_table = Table::new(
KeyTable,
control_rep_param,
system.clone(),
&db,
"key".to_string(),
);
let key_table = Table::new(KeyTable, control_rep_param, system.clone(), &db);
info!("Initialize Garage...");
let garage = Arc::new(Self {

2
src/model/key_table.rs
View file

@ -120,6 +120,8 @@ pub enum KeyFilter {
}
impl TableSchema for KeyTable {
const TABLE_NAME: &'static str = "key";
type P = EmptyKey;
type S = String;
type E = Key;

2
src/model/object_table.rs
View file

@ -217,6 +217,8 @@ pub struct ObjectTable {
}
impl TableSchema for ObjectTable {
const TABLE_NAME: &'static str = "object";
type P = String;
type S = String;
type E = Object;

2
src/model/version_table.rs
View file

@ -114,6 +114,8 @@ pub struct VersionTable {
}
impl TableSchema for VersionTable {
const TABLE_NAME: &'static str = "version";
type P = Hash;
type S = EmptyKey;
type E = Version;

20
src/table/data.rs
View file

@ -19,7 +19,6 @@ use crate::schema::*;
pub struct TableData<F: TableSchema, R: TableReplication> {
system: Arc<System>,
pub name: String,
pub(crate) instance: F,
pub(crate) replication: R,
@ -36,31 +35,24 @@ where
F: TableSchema,
R: TableReplication,
{
pub fn new(
system: Arc<System>,
name: String,
instance: F,
replication: R,
db: &sled::Db,
) -> Arc<Self> {
pub fn new(system: Arc<System>, instance: F, replication: R, db: &sled::Db) -> Arc<Self> {
let store = db
.open_tree(&format!("{}:table", name))
.open_tree(&format!("{}:table", F::TABLE_NAME))
.expect("Unable to open DB tree");
let merkle_tree = db
.open_tree(&format!("{}:merkle_tree", name))
.open_tree(&format!("{}:merkle_tree", F::TABLE_NAME))
.expect("Unable to open DB Merkle tree tree");
let merkle_todo = db
.open_tree(&format!("{}:merkle_todo", name))
.open_tree(&format!("{}:merkle_todo", F::TABLE_NAME))
.expect("Unable to open DB Merkle TODO tree");
let gc_todo = db
.open_tree(&format!("{}:gc_todo_v2", name))
.open_tree(&format!("{}:gc_todo_v2", F::TABLE_NAME))
.expect("Unable to open DB tree");
Arc::new(Self {
system,
name,
instance,
replication,
store,
@ -245,7 +237,7 @@ where
Err(e) => match F::try_migrate(bytes) {
Some(x) => Ok(x),
None => {
warn!("Unable to decode entry of {}: {}", self.name, e);
warn!("Unable to decode entry of {}: {}", F::TABLE_NAME, e);
for line in hexdump::hexdump_iter(bytes) {
debug!("{}", line);
}

13
src/table/gc.rs
View file

@ -57,11 +57,11 @@ where
pub(crate) fn launch(system: Arc<System>, data: Arc<TableData<F, R>>) -> Arc<Self> {
let endpoint = system
.netapp
.endpoint(format!("garage_table/gc.rs/Rpc:{}", data.name));
.endpoint(format!("garage_table/gc.rs/Rpc:{}", F::TABLE_NAME));
let gc = Arc::new(Self {
system: system.clone(),
data: data.clone(),
data,
endpoint,
});
@ -69,7 +69,7 @@ where
let gc1 = gc.clone();
system.background.spawn_worker(
format!("GC loop for {}", data.name),
format!("GC loop for {}", F::TABLE_NAME),
move |must_exit: watch::Receiver<bool>| gc1.gc_loop(must_exit),
);
@ -90,7 +90,7 @@ where
}
}
Err(e) => {
warn!("({}) Error doing GC: {}", self.data.name, e);
warn!("({}) Error doing GC: {}", F::TABLE_NAME, e);
}
}
}
@ -160,7 +160,7 @@ where
return Ok(Some(Duration::from_secs(60)));
}
debug!("({}) GC: doing {} items", self.data.name, entries.len());
debug!("({}) GC: doing {} items", F::TABLE_NAME, entries.len());
// Split entries to GC by the set of nodes on which they are stored.
// Here we call them partitions but they are not exactly
@ -262,7 +262,8 @@ where
info!(
"({}) GC: {} items successfully pushed, will try to delete.",
self.data.name, n_items
F::TABLE_NAME,
n_items
);
// Step 2: delete tombstones everywhere.

15
src/table/merkle.rs
View file

@ -82,7 +82,7 @@ where
let ret2 = ret.clone();
background.spawn_worker(
format!("Merkle tree updater for {}", ret.data.name),
format!("Merkle tree updater for {}", F::TABLE_NAME),
|must_exit: watch::Receiver<bool>| ret2.updater_loop(must_exit),
);
@ -97,14 +97,16 @@ where
if let Err(e) = self.update_item(&key[..], &valhash[..]) {
warn!(
"({}) Error while updating Merkle tree item: {}",
self.data.name, e
F::TABLE_NAME,
e
);
}
}
Err(e) => {
warn!(
"({}) Error while iterating on Merkle todo tree: {}",
self.data.name, e
F::TABLE_NAME,
e
);
tokio::time::sleep(Duration::from_secs(10)).await;
}
@ -147,7 +149,8 @@ where
if !deleted {
debug!(
"({}) Item not deleted from Merkle todo because it changed: {:?}",
self.data.name, k
F::TABLE_NAME,
k
);
}
Ok(())
@ -183,7 +186,7 @@ where
// should not happen
warn!(
"({}) Replacing intermediate node with empty node, should not happen.",
self.data.name
F::TABLE_NAME
);
Some(MerkleNode::Empty)
} else if children.len() == 1 {
@ -195,7 +198,7 @@ where
MerkleNode::Empty => {
warn!(
"({}) Single subnode in tree is empty Merkle node",
self.data.name
F::TABLE_NAME
);
Some(MerkleNode::Empty)
}

7
src/table/schema.rs
View file

@ -57,12 +57,19 @@ pub trait Entry<P: PartitionKey, S: SortKey>:
/// Trait for the schema used in a table
pub trait TableSchema: Send + Sync {
/// The name of the table in the database
const TABLE_NAME: &'static str;
/// The partition key used in that table
type P: PartitionKey + Clone + PartialEq + Serialize + for<'de> Deserialize<'de> + Send + Sync;
/// The sort key used int that table
type S: SortKey + Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync;
/// 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:

42
src/table/sync.rs
View file

@ -77,13 +77,13 @@ where
) -> Arc<Self> {
let endpoint = system
.netapp
.endpoint(format!("garage_table/sync.rs/Rpc:{}", data.name));
.endpoint(format!("garage_table/sync.rs/Rpc:{}", F::TABLE_NAME));
let todo = SyncTodo { todo: vec![] };
let syncer = Arc::new(Self {
system: system.clone(),
data: data.clone(),
data,
merkle,
todo: Mutex::new(todo),
endpoint,
@ -95,13 +95,13 @@ where
let s1 = syncer.clone();
system.background.spawn_worker(
format!("table sync watcher for {}", data.name),
format!("table sync watcher for {}", F::TABLE_NAME),
move |must_exit: watch::Receiver<bool>| s1.watcher_task(must_exit, busy_rx),
);
let s2 = syncer.clone();
system.background.spawn_worker(
format!("table syncer for {}", data.name),
format!("table syncer for {}", F::TABLE_NAME),
move |must_exit: watch::Receiver<bool>| s2.syncer_task(must_exit, busy_tx),
);
@ -128,7 +128,7 @@ where
_ = ring_recv.changed().fuse() => {
let new_ring = ring_recv.borrow();
if !Arc::ptr_eq(&new_ring, &prev_ring) {
debug!("({}) Ring changed, adding full sync to syncer todo list", self.data.name);
debug!("({}) Ring changed, adding full sync to syncer todo list", F::TABLE_NAME);
self.add_full_sync();
prev_ring = new_ring.clone();
}
@ -146,7 +146,7 @@ where
_ = tokio::time::sleep(Duration::from_secs(1)).fuse() => {
if nothing_to_do_since.map(|t| Instant::now() - t >= ANTI_ENTROPY_INTERVAL).unwrap_or(false) {
nothing_to_do_since = None;
debug!("({}) Interval passed, adding full sync to syncer todo list", self.data.name);
debug!("({}) Interval passed, adding full sync to syncer todo list", F::TABLE_NAME);
self.add_full_sync();
}
}
@ -177,7 +177,9 @@ where
if let Err(e) = res {
warn!(
"({}) Error while syncing {:?}: {}",
self.data.name, partition, e
F::TABLE_NAME,
partition,
e
);
}
} else {
@ -205,7 +207,9 @@ where
debug!(
"({}) Syncing {:?} with {:?}...",
self.data.name, partition, nodes
F::TABLE_NAME,
partition,
nodes
);
let mut sync_futures = nodes
.iter()
@ -219,7 +223,7 @@ where
while let Some(r) = sync_futures.next().await {
if let Err(e) = r {
n_errors += 1;
warn!("({}) Sync error: {}", self.data.name, e);
warn!("({}) Sync error: {}", F::TABLE_NAME, e);
}
}
if n_errors > self.data.replication.max_write_errors() {
@ -272,7 +276,7 @@ where
if nodes.contains(&self.system.id) {
warn!(
"({}) Interrupting offload as partitions seem to have changed",
self.data.name
F::TABLE_NAME
);
break;
}
@ -286,7 +290,7 @@ where
counter += 1;
info!(
"({}) Offloading {} items from {:?}..{:?} ({})",
self.data.name,
F::TABLE_NAME,
items.len(),
begin,
end,
@ -329,7 +333,7 @@ where
}
if not_removed > 0 {
debug!("({}) {} items not removed during offload because they changed in between (trying again...)", self.data.name, not_removed);
debug!("({}) {} items not removed during offload because they changed in between (trying again...)", F::TABLE_NAME, not_removed);
}
Ok(())
@ -360,7 +364,9 @@ where
if root_ck.is_empty() {
debug!(
"({}) Sync {:?} with {:?}: partition is empty.",
self.data.name, partition, who
F::TABLE_NAME,
partition,
who
);
return Ok(());
}
@ -384,7 +390,9 @@ where
SyncRpc::RootCkDifferent(false) => {
debug!(
"({}) Sync {:?} with {:?}: no difference",
self.data.name, partition, who
F::TABLE_NAME,
partition,
who
);
return Ok(());
}
@ -413,11 +421,11 @@ where
// Just send that item directly
if let Some(val) = self.data.store.get(&ik[..])? {
if blake2sum(&val[..]) != ivhash {
warn!("({}) Hashes differ between stored value and Merkle tree, key: {:?} (if your server is very busy, don't worry, this happens when the Merkle tree can't be updated fast enough)", self.data.name, ik);
warn!("({}) Hashes differ between stored value and Merkle tree, key: {:?} (if your server is very busy, don't worry, this happens when the Merkle tree can't be updated fast enough)", F::TABLE_NAME, ik);
}
todo_items.push(val.to_vec());
} else {
warn!("({}) Item from Merkle tree not found in store: {:?} (if your server is very busy, don't worry, this happens when the Merkle tree can't be updated fast enough)", self.data.name, ik);
warn!("({}) Item from Merkle tree not found in store: {:?} (if your server is very busy, don't worry, this happens when the Merkle tree can't be updated fast enough)", F::TABLE_NAME, ik);
}
}
MerkleNode::Intermediate(l) => {
@ -482,7 +490,7 @@ where
async fn send_items(&self, who: Uuid, item_value_list: Vec<Vec<u8>>) -> Result<(), Error> {
info!(
"({}) Sending {} items to {:?}",
self.data.name,
F::TABLE_NAME,
item_value_list.len(),
who
);

12
src/table/table.rs
View file

@ -55,18 +55,12 @@ where
{
// =============== PUBLIC INTERFACE FUNCTIONS (new, insert, get, etc) ===============
pub fn new(
instance: F,
replication: R,
system: Arc<System>,
db: &sled::Db,
name: String,
) -> Arc<Self> {
pub fn new(instance: F, replication: R, system: Arc<System>, db: &sled::Db) -> Arc<Self> {
let endpoint = system
.netapp
.endpoint(format!("garage_table/table.rs/Rpc:{}", name));
.endpoint(format!("garage_table/table.rs/Rpc:{}", F::TABLE_NAME));
let data = TableData::new(system.clone(), name, instance, replication, db);
let data = TableData::new(system.clone(), instance, replication, db);
let merkle_updater = MerkleUpdater::launch(&system.background, data.clone());