diff options
Diffstat (limited to 'src/storage')
-rw-r--r-- | src/storage/garage.rs | 30 | ||||
-rw-r--r-- | src/storage/in_memory.rs | 35 | ||||
-rw-r--r-- | src/storage/mod.rs | 209 |
3 files changed, 130 insertions, 144 deletions
diff --git a/src/storage/garage.rs b/src/storage/garage.rs index 8276f70..ff37287 100644 --- a/src/storage/garage.rs +++ b/src/storage/garage.rs @@ -1,7 +1,8 @@ use crate::storage::*; +use serde::Serialize; -#[derive(Clone, Debug, Hash)] -pub struct GarageBuilder { +#[derive(Clone, Debug, Serialize)] +pub struct GarageConf { pub region: String, pub s3_endpoint: String, pub k2v_endpoint: String, @@ -10,10 +11,28 @@ pub struct GarageBuilder { pub bucket: String, } +#[derive(Clone, Debug)] +pub struct GarageBuilder { + conf: GarageConf, + unicity: Vec<u8>, +} + +impl GarageBuilder { + pub fn new(conf: GarageConf) -> anyhow::Result<Arc<Self>> { + let mut unicity: Vec<u8> = vec![]; + unicity.extend_from_slice(file!().as_bytes()); + unicity.append(&mut rmp_serde::to_vec(&conf)?); + Ok(Arc::new(Self { conf, unicity })) + } +} + impl IBuilder for GarageBuilder { - fn build(&self) -> Box<dyn IStore> { + fn build(&self) -> Result<Store, StorageError> { unimplemented!(); } + fn unique(&self) -> UnicityBuffer { + UnicityBuffer(self.unicity.clone()) + } } pub struct GarageStore { @@ -33,7 +52,7 @@ impl IStore for GarageStore { unimplemented!(); } - async fn row_poll(&self, value: RowRef) -> Result<RowVal, StorageError> { + async fn row_poll(&self, value: &RowRef) -> Result<RowVal, StorageError> { unimplemented!(); } @@ -41,6 +60,9 @@ impl IStore for GarageStore { unimplemented!(); } + async fn blob_insert(&self, blob_val: &BlobVal) -> Result<BlobVal, StorageError> { + unimplemented!(); + } async fn blob_copy(&self, src: &BlobRef, dst: &BlobRef) -> Result<BlobVal, StorageError> { unimplemented!(); diff --git a/src/storage/in_memory.rs b/src/storage/in_memory.rs index 09c6763..6d0460f 100644 --- a/src/storage/in_memory.rs +++ b/src/storage/in_memory.rs @@ -14,18 +14,36 @@ pub type ArcBlob = Arc<RwLock<HashMap<String, Vec<u8>>>>; #[derive(Clone, Debug)] pub struct MemBuilder { user: String, - url: String, + unicity: Vec<u8>, row: ArcRow, blob: ArcBlob, } +impl MemBuilder { + pub fn new(user: &str) -> Arc<Self> { + let mut unicity: Vec<u8> = vec![]; + unicity.extend_from_slice(file!().as_bytes()); + unicity.extend_from_slice(user.as_bytes()); + Arc::new(Self { + user: user.to_string(), + unicity, + row: Arc::new(RwLock::new(HashMap::new())), + blob: Arc::new(RwLock::new(HashMap::new())), + }) + } +} + impl IBuilder for MemBuilder { - fn build(&self) -> Box<dyn IStore> { - Box::new(MemStore { + fn build(&self) -> Result<Store, StorageError> { + Ok(Box::new(MemStore { row: self.row.clone(), blob: self.blob.clone(), - }) + })) } + + fn unique(&self) -> UnicityBuffer { + UnicityBuffer(self.unicity.clone()) + } } pub struct MemStore { @@ -56,7 +74,7 @@ impl IStore for MemStore { .or(Err(StorageError::Internal))? .get(*shard) .ok_or(StorageError::NotFound)? - .range((Included(sort_begin.to_string()), Included(sort_end.to_string()))) + .range((Included(sort_begin.to_string()), Excluded(sort_end.to_string()))) .map(|(k, v)| RowVal { row_ref: RowRef { uid: RowUid { shard: shard.to_string(), sort: k.to_string() }, causality: Some("c".to_string()) }, value: vec![Alternative::Value(v.clone())], @@ -100,7 +118,7 @@ impl IStore for MemStore { }, Selector::Single(row_ref) => { let bytes = self.inner_fetch(row_ref)?; - Ok(vec![RowVal{ row_ref: row_ref.clone(), value: vec![Alternative::Value(bytes)]}]) + Ok(vec![RowVal{ row_ref: (*row_ref).clone(), value: vec![Alternative::Value(bytes)]}]) } } } @@ -113,7 +131,7 @@ impl IStore for MemStore { unimplemented!(); } - async fn row_poll(&self, value: RowRef) -> Result<RowVal, StorageError> { + async fn row_poll(&self, value: &RowRef) -> Result<RowVal, StorageError> { unimplemented!(); } @@ -121,6 +139,9 @@ impl IStore for MemStore { unimplemented!(); } + async fn blob_insert(&self, blob_val: &BlobVal) -> Result<BlobVal, StorageError> { + unimplemented!(); + } async fn blob_copy(&self, src: &BlobRef, dst: &BlobRef) -> Result<BlobVal, StorageError> { unimplemented!(); diff --git a/src/storage/mod.rs b/src/storage/mod.rs index cb66d58..8004ac5 100644 --- a/src/storage/mod.rs +++ b/src/storage/mod.rs @@ -11,9 +11,9 @@ pub mod in_memory; pub mod garage; -use std::hash::{Hash, Hasher}; +use std::sync::Arc; +use std::hash::Hash; use std::collections::HashMap; -use futures::future::BoxFuture; use async_trait::async_trait; #[derive(Debug, Clone)] @@ -23,45 +23,95 @@ pub enum Alternative { } type ConcurrentValues = Vec<Alternative>; -#[derive(Debug)] +#[derive(Debug, Clone)] pub enum StorageError { NotFound, Internal, } +impl std::fmt::Display for StorageError { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + f.write_str("Storage Error: ")?; + match self { + Self::NotFound => f.write_str("Item not found"), + Self::Internal => f.write_str("An internal error occured"), + } + } +} +impl std::error::Error for StorageError {} -#[derive(Debug, Clone)] +#[derive(Debug, Clone, PartialEq)] pub struct RowUid { - shard: String, - sort: String, + pub shard: String, + pub sort: String, } -#[derive(Debug, Clone)] +#[derive(Debug, Clone, PartialEq)] pub struct RowRef { - uid: RowUid, - causality: Option<String>, + pub uid: RowUid, + pub causality: Option<String>, +} + +impl RowRef { + pub fn new(shard: &str, sort: &str) -> Self { + Self { + uid: RowUid { + shard: shard.to_string(), + sort: sort.to_string(), + }, + causality: None, + } + } } #[derive(Debug, Clone)] pub struct RowVal { - row_ref: RowRef, - value: ConcurrentValues, + pub row_ref: RowRef, + pub value: ConcurrentValues, } +impl RowVal { + pub fn new(row_ref: RowRef, value: Vec<u8>) -> Self { + Self { + row_ref, + value: vec![Alternative::Value(value)], + } + } +} + + #[derive(Debug, Clone)] -pub struct BlobRef(String); +pub struct BlobRef(pub String); +impl BlobRef { + pub fn new(key: &str) -> Self { + Self(key.to_string()) + } +} #[derive(Debug, Clone)] pub struct BlobVal { - blob_ref: BlobRef, - meta: HashMap<String, String>, - value: Vec<u8>, + pub blob_ref: BlobRef, + pub meta: HashMap<String, String>, + pub value: Vec<u8>, +} +impl BlobVal { + pub fn new(blob_ref: BlobRef, value: Vec<u8>) -> Self { + Self { + blob_ref, value, + meta: HashMap::new(), + } + } + + pub fn with_meta(mut self, k: String, v: String) -> Self { + self.meta.insert(k, v); + self + } } pub enum Selector<'a> { Range { shard: &'a str, sort_begin: &'a str, sort_end: &'a str }, List (Vec<RowRef>), // list of (shard_key, sort_key) Prefix { shard: &'a str, sort_prefix: &'a str }, - Single(RowRef), + Single(&'a RowRef), } #[async_trait] @@ -69,131 +119,24 @@ pub trait IStore { async fn row_fetch<'a>(&self, select: &Selector<'a>) -> Result<Vec<RowVal>, StorageError>; async fn row_rm<'a>(&self, select: &Selector<'a>) -> Result<(), StorageError>; async fn row_insert(&self, values: Vec<RowVal>) -> Result<(), StorageError>; - async fn row_poll(&self, value: RowRef) -> Result<RowVal, StorageError>; + async fn row_poll(&self, value: &RowRef) -> Result<RowVal, StorageError>; async fn blob_fetch(&self, blob_ref: &BlobRef) -> Result<BlobVal, StorageError>; + async fn blob_insert(&self, blob_val: &BlobVal) -> Result<BlobVal, StorageError>; async fn blob_copy(&self, src: &BlobRef, dst: &BlobRef) -> Result<BlobVal, StorageError>; async fn blob_list(&self, prefix: &str) -> Result<Vec<BlobRef>, StorageError>; async fn blob_rm(&self, blob_ref: &BlobRef) -> Result<(), StorageError>; } -pub trait IBuilder { - fn build(&self) -> Box<dyn IStore>; -} - - - - - - -/* -#[derive(Clone, Debug, PartialEq)] -pub enum OrphanRowRef { - Garage(garage::GrgOrphanRowRef), - Memory(in_memory::MemOrphanRowRef), -} - +#[derive(Clone,Debug,PartialEq,Eq,Hash)] +pub struct UnicityBuffer(Vec<u8>); +pub trait IBuilder: std::fmt::Debug { + fn build(&self) -> Result<Store, StorageError>; - -impl std::fmt::Display for StorageError { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - f.write_str("Storage Error: ")?; - match self { - Self::NotFound => f.write_str("Item not found"), - Self::Internal => f.write_str("An internal error occured"), - Self::IncompatibleOrphan => f.write_str("Incompatible orphan"), - } - } + /// Returns an opaque buffer that uniquely identifies this builder + fn unique(&self) -> UnicityBuffer; } -impl std::error::Error for StorageError {} -// Utils -pub type AsyncResult<'a, T> = BoxFuture<'a, Result<T, StorageError>>; - -// ----- Builders -pub trait IBuilders { - fn box_clone(&self) -> Builders; - fn row_store(&self) -> Result<RowStore, StorageError>; - fn blob_store(&self) -> Result<BlobStore, StorageError>; - fn url(&self) -> &str; -} -pub type Builders = Box<dyn IBuilders + Send + Sync>; -impl Clone for Builders { - fn clone(&self) -> Self { - self.box_clone() - } -} -impl std::fmt::Debug for Builders { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - f.write_str("aerogramme::storage::Builder") - } -} -impl PartialEq for Builders { - fn eq(&self, other: &Self) -> bool { - self.url() == other.url() - } -} -impl Eq for Builders {} -impl Hash for Builders { - fn hash<H: Hasher>(&self, state: &mut H) { - self.url().hash(state); - } -} - -// ------ Row -pub trait IRowStore -{ - fn row(&self, partition: &str, sort: &str) -> RowRef; - fn select(&self, selector: Selector) -> AsyncResult<Vec<RowValue>>; - fn rm(&self, selector: Selector) -> AsyncResult<()>; - fn from_orphan(&self, orphan: OrphanRowRef) -> Result<RowRef, StorageError>; -} -pub type RowStore = Box<dyn IRowStore + Sync + Send>; - -pub trait IRowRef: std::fmt::Debug -{ - fn to_orphan(&self) -> OrphanRowRef; - fn key(&self) -> (&str, &str); - fn set_value(&self, content: &[u8]) -> RowValue; - fn fetch(&self) -> AsyncResult<RowValue>; - fn rm(&self) -> AsyncResult<()>; - fn poll(&self) -> AsyncResult<RowValue>; -} -pub type RowRef<'a> = Box<dyn IRowRef + Send + Sync + 'a>; - -pub trait IRowValue: std::fmt::Debug -{ - fn to_ref(&self) -> RowRef; - fn content(&self) -> ConcurrentValues; - fn push(&self) -> AsyncResult<()>; -} -pub type RowValue = Box<dyn IRowValue + Send + Sync>; - -// ------- Blob -pub trait IBlobStore -{ - fn blob(&self, key: &str) -> BlobRef; - fn list(&self, prefix: &str) -> AsyncResult<Vec<BlobRef>>; -} -pub type BlobStore = Box<dyn IBlobStore + Send + Sync>; - -pub trait IBlobRef -{ - fn set_value(&self, content: Vec<u8>) -> BlobValue; - fn key(&self) -> &str; - fn fetch(&self) -> AsyncResult<BlobValue>; - fn copy(&self, dst: &BlobRef) -> AsyncResult<()>; - fn rm(&self) -> AsyncResult<()>; -} -pub type BlobRef = Box<dyn IBlobRef + Send + Sync>; - -pub trait IBlobValue { - fn to_ref(&self) -> BlobRef; - fn get_meta(&self, key: &str) -> Option<&[u8]>; - fn set_meta(&mut self, key: &str, val: &str); - fn content(&self) -> Option<&[u8]>; - fn push(&self) -> AsyncResult<()>; -} -pub type BlobValue = Box<dyn IBlobValue + Send + Sync>; -*/ +pub type Builder = Arc<dyn IBuilder + Send + Sync>; +pub type Store = Box<dyn IStore + Send + Sync>; |