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authorAlex Auvolat <alex@adnab.me>2020-04-23 17:05:46 +0000
committerAlex Auvolat <alex@adnab.me>2020-04-23 17:05:46 +0000
commitc9c6b0dbd41e20d19b91c6615c46da6f45925bca (patch)
treebd299a3c5fbbd567250f6314462bc0998555589a /src/store/bucket_table.rs
parent01a8acdeecfcacafb61809f9e135709148e842ce (diff)
downloadgarage-c9c6b0dbd41e20d19b91c6615c46da6f45925bca.tar.gz
garage-c9c6b0dbd41e20d19b91c6615c46da6f45925bca.zip
Reorganize code
Diffstat (limited to 'src/store/bucket_table.rs')
-rw-r--r--src/store/bucket_table.rs82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/store/bucket_table.rs b/src/store/bucket_table.rs
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--- /dev/null
+++ b/src/store/bucket_table.rs
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+use async_trait::async_trait;
+use serde::{Deserialize, Serialize};
+
+use crate::error::Error;
+use crate::table::*;
+
+#[derive(PartialEq, Clone, Debug, Serialize, Deserialize)]
+pub struct Bucket {
+ // Primary key
+ pub name: String,
+
+ // Timestamp and deletion
+ // Upon version increment, all info is replaced
+ pub timestamp: u64,
+ pub deleted: bool,
+
+ // Authorized keys
+ pub authorized_keys: Vec<AllowedKey>,
+}
+
+#[derive(PartialEq, Clone, Debug, Serialize, Deserialize)]
+pub struct AllowedKey {
+ pub access_key_id: String,
+ pub timestamp: u64,
+ pub allowed_read: bool,
+ pub allowed_write: bool,
+}
+
+impl Entry<EmptyKey, String> for Bucket {
+ fn partition_key(&self) -> &EmptyKey {
+ &EmptyKey
+ }
+ fn sort_key(&self) -> &String {
+ &self.name
+ }
+
+ fn merge(&mut self, other: &Self) {
+ if other.timestamp < self.timestamp {
+ *self = other.clone();
+ return;
+ }
+ if self.timestamp > other.timestamp {
+ return;
+ }
+ for ak in other.authorized_keys.iter() {
+ match self
+ .authorized_keys
+ .binary_search_by(|our_ak| our_ak.access_key_id.cmp(&ak.access_key_id))
+ {
+ Ok(i) => {
+ let our_ak = &mut self.authorized_keys[i];
+ if ak.timestamp > our_ak.timestamp {
+ our_ak.timestamp = ak.timestamp;
+ our_ak.allowed_read = ak.allowed_read;
+ our_ak.allowed_write = ak.allowed_write;
+ }
+ }
+ Err(i) => {
+ self.authorized_keys.insert(i, ak.clone());
+ }
+ }
+ }
+ }
+}
+
+pub struct BucketTable;
+
+#[async_trait]
+impl TableSchema for BucketTable {
+ type P = EmptyKey;
+ type S = String;
+ type E = Bucket;
+ type Filter = ();
+
+ async fn updated(&self, _old: Option<Self::E>, _new: Option<Self::E>) -> Result<(), Error> {
+ Ok(())
+ }
+
+ fn matches_filter(entry: &Self::E, _filter: &Self::Filter) -> bool {
+ !entry.deleted
+ }
+}