Implement PollRange API endpoint
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57eabe7879
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GPG Key ID:
0E496D15096376BE
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@ -164,6 +164,9 @@ impl ApiHandler for K2VApiServer {
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Endpoint::InsertBatch {} => handle_insert_batch(garage, bucket_id, req).await,
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Endpoint::ReadBatch {} => handle_read_batch(garage, bucket_id, req).await,
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Endpoint::DeleteBatch {} => handle_delete_batch(garage, bucket_id, req).await,
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Endpoint::PollRange { partition_key } => {
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handle_poll_range(garage, bucket_id, &partition_key, req).await
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}
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Endpoint::Options => unreachable!(),
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};
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@ -4,7 +4,6 @@ use hyper::{Body, Request, Response, StatusCode};
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use serde::{Deserialize, Serialize};
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use garage_util::data::*;
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use garage_util::error::Error as GarageError;
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use garage_table::{EnumerationOrder, TableSchema};
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@ -65,10 +64,7 @@ pub async fn handle_read_batch(
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resps.push(resp?);
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}
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let resp_json = serde_json::to_string_pretty(&resps).map_err(GarageError::from)?;
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Ok(Response::builder()
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.status(StatusCode::OK)
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.body(Body::from(resp_json))?)
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Ok(json_ok_response(&resps)?)
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}
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async fn handle_read_batch_query(
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@ -160,10 +156,7 @@ pub async fn handle_delete_batch(
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resps.push(resp?);
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}
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let resp_json = serde_json::to_string_pretty(&resps).map_err(GarageError::from)?;
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Ok(Response::builder()
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.status(StatusCode::OK)
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.body(Body::from(resp_json))?)
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Ok(json_ok_response(&resps)?)
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}
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async fn handle_delete_batch_query(
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@ -257,6 +250,53 @@ async fn handle_delete_batch_query(
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})
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}
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pub(crate) async fn handle_poll_range(
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garage: Arc<Garage>,
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bucket_id: Uuid,
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partition_key: &str,
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req: Request<Body>,
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) -> Result<Response<Body>, Error> {
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use garage_model::k2v::sub::PollRange;
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let query = parse_json_body::<PollRangeQuery>(req).await?;
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let timeout_msec = query.timeout.unwrap_or(300).clamp(10, 600) * 1000;
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let resp = garage
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.k2v
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.rpc
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.poll_range(
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PollRange {
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partition: K2VItemPartition {
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bucket_id,
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partition_key: partition_key.to_string(),
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},
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start: query.start,
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end: query.end,
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prefix: query.prefix,
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},
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query.seen_marker,
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timeout_msec,
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)
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.await?;
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if let Some((items, seen_marker)) = resp {
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let resp = PollRangeResponse {
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items: items
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.into_iter()
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.map(|(_k, i)| ReadBatchResponseItem::from(i))
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.collect::<Vec<_>>(),
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seen_marker,
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};
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Ok(json_ok_response(&resp)?)
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} else {
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Ok(Response::builder()
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.status(StatusCode::NOT_MODIFIED)
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.body(Body::empty())?)
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}
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}
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#[derive(Deserialize)]
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struct InsertBatchItem {
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pk: String,
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@ -361,3 +401,24 @@ struct DeleteBatchResponse {
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#[serde(rename = "deletedItems")]
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deleted_items: usize,
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}
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#[derive(Deserialize)]
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struct PollRangeQuery {
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#[serde(default)]
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prefix: Option<String>,
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#[serde(default)]
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start: Option<String>,
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#[serde(default)]
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end: Option<String>,
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#[serde(default)]
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timeout: Option<u64>,
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#[serde(default, rename = "seenMarker")]
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seen_marker: Option<String>,
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}
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#[derive(Serialize)]
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struct PollRangeResponse {
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items: Vec<ReadBatchResponseItem>,
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#[serde(rename = "seenMarker")]
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seen_marker: String,
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}
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@ -1,10 +1,9 @@
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use std::sync::Arc;
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use hyper::{Body, Response, StatusCode};
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use hyper::{Body, Response};
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use serde::Serialize;
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use garage_util::data::*;
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use garage_util::error::Error as GarageError;
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use garage_rpc::ring::Ring;
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use garage_table::util::*;
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@ -12,6 +11,7 @@ use garage_table::util::*;
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use garage_model::garage::Garage;
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use garage_model::k2v::item_table::{BYTES, CONFLICTS, ENTRIES, VALUES};
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use crate::helpers::*;
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use crate::k2v::error::*;
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use crate::k2v::range::read_range;
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@ -68,10 +68,7 @@ pub async fn handle_read_index(
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next_start,
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};
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let resp_json = serde_json::to_string_pretty(&resp).map_err(GarageError::from)?;
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Ok(Response::builder()
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.status(StatusCode::OK)
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.body(Body::from(resp_json))?)
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Ok(json_ok_response(&resp)?)
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}
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#[derive(Serialize)]
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@ -208,6 +208,8 @@ pub async fn handle_poll_item(
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let causal_context =
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CausalContext::parse(&causality_token).ok_or_bad_request("Invalid causality token")?;
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let timeout_msec = timeout_secs.unwrap_or(300).clamp(10, 600) * 1000;
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let item = garage
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.k2v
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.rpc
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@ -216,7 +218,7 @@ pub async fn handle_poll_item(
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partition_key,
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sort_key,
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causal_context,
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timeout_secs.unwrap_or(300) * 1000,
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timeout_msec,
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)
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.await?;
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@ -32,6 +32,9 @@ pub enum Endpoint {
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causality_token: String,
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timeout: Option<u64>,
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},
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PollRange {
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partition_key: String,
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},
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ReadBatch {
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},
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ReadIndex {
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@ -113,6 +116,7 @@ impl Endpoint {
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@gen_parser
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(query.keyword.take().unwrap_or_default(), partition_key, query, None),
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key: [
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POLL_RANGE => PollRange,
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],
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no_key: [
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EMPTY => ReadBatch,
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@ -142,6 +146,7 @@ impl Endpoint {
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@gen_parser
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(query.keyword.take().unwrap_or_default(), partition_key, query, None),
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key: [
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POLL_RANGE => PollRange,
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],
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no_key: [
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EMPTY => InsertBatch,
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@ -234,7 +239,8 @@ impl Endpoint {
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generateQueryParameters! {
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keywords: [
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"delete" => DELETE,
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"search" => SEARCH
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"search" => SEARCH,
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"poll_range" => POLL_RANGE
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],
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fields: [
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"prefix" => prefix,
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@ -5,4 +5,4 @@ pub mod item_table;
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pub mod rpc;
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pub(crate) mod sub;
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pub mod sub;
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