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-rw-r--r--src/api/k2v/index.rs100
1 files changed, 100 insertions, 0 deletions
diff --git a/src/api/k2v/index.rs b/src/api/k2v/index.rs
new file mode 100644
index 00000000..210950bf
--- /dev/null
+++ b/src/api/k2v/index.rs
@@ -0,0 +1,100 @@
+use std::sync::Arc;
+
+use hyper::{Body, Response, StatusCode};
+use serde::Serialize;
+
+use garage_util::data::*;
+use garage_util::error::Error as GarageError;
+
+use garage_rpc::ring::Ring;
+use garage_table::util::*;
+
+use garage_model::garage::Garage;
+use garage_model::k2v::item_table::{BYTES, CONFLICTS, ENTRIES, VALUES};
+
+use crate::k2v::error::*;
+use crate::k2v::range::read_range;
+
+pub async fn handle_read_index(
+ garage: Arc<Garage>,
+ bucket_id: Uuid,
+ prefix: Option<String>,
+ start: Option<String>,
+ end: Option<String>,
+ limit: Option<u64>,
+ reverse: Option<bool>,
+) -> Result<Response<Body>, Error> {
+ let reverse = reverse.unwrap_or(false);
+
+ let ring: Arc<Ring> = garage.system.ring.borrow().clone();
+
+ let (partition_keys, more, next_start) = read_range(
+ &garage.k2v.counter_table.table,
+ &bucket_id,
+ &prefix,
+ &start,
+ &end,
+ limit,
+ Some((DeletedFilter::NotDeleted, ring.layout.node_id_vec.clone())),
+ EnumerationOrder::from_reverse(reverse),
+ )
+ .await?;
+
+ let s_entries = ENTRIES.to_string();
+ let s_conflicts = CONFLICTS.to_string();
+ let s_values = VALUES.to_string();
+ let s_bytes = BYTES.to_string();
+
+ let resp = ReadIndexResponse {
+ prefix,
+ start,
+ end,
+ limit,
+ reverse,
+ partition_keys: partition_keys
+ .into_iter()
+ .map(|part| {
+ let vals = part.filtered_values(&ring);
+ ReadIndexResponseEntry {
+ pk: part.sk,
+ entries: *vals.get(&s_entries).unwrap_or(&0),
+ conflicts: *vals.get(&s_conflicts).unwrap_or(&0),
+ values: *vals.get(&s_values).unwrap_or(&0),
+ bytes: *vals.get(&s_bytes).unwrap_or(&0),
+ }
+ })
+ .collect::<Vec<_>>(),
+ more,
+ next_start,
+ };
+
+ let resp_json = serde_json::to_string_pretty(&resp).map_err(GarageError::from)?;
+ Ok(Response::builder()
+ .status(StatusCode::OK)
+ .body(Body::from(resp_json))?)
+}
+
+#[derive(Serialize)]
+struct ReadIndexResponse {
+ prefix: Option<String>,
+ start: Option<String>,
+ end: Option<String>,
+ limit: Option<u64>,
+ reverse: bool,
+
+ #[serde(rename = "partitionKeys")]
+ partition_keys: Vec<ReadIndexResponseEntry>,
+
+ more: bool,
+ #[serde(rename = "nextStart")]
+ next_start: Option<String>,
+}
+
+#[derive(Serialize)]
+struct ReadIndexResponseEntry {
+ pk: String,
+ entries: i64,
+ conflicts: i64,
+ values: i64,
+ bytes: i64,
+}