forked from Deuxfleurs/garage
97 lines
2 KiB
Rust
97 lines
2 KiB
Rust
use std::sync::Arc;
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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_rpc::ring::Ring;
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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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pub async fn handle_read_index(
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garage: Arc<Garage>,
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bucket_id: Uuid,
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prefix: Option<String>,
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start: Option<String>,
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end: Option<String>,
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limit: Option<u64>,
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reverse: Option<bool>,
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) -> Result<Response<Body>, Error> {
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let reverse = reverse.unwrap_or(false);
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let ring: Arc<Ring> = garage.system.ring.borrow().clone();
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let (partition_keys, more, next_start) = read_range(
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&garage.k2v.counter_table.table,
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&bucket_id,
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&prefix,
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&start,
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&end,
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limit,
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Some((DeletedFilter::NotDeleted, ring.layout.node_id_vec.clone())),
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EnumerationOrder::from_reverse(reverse),
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)
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.await?;
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let s_entries = ENTRIES.to_string();
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let s_conflicts = CONFLICTS.to_string();
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let s_values = VALUES.to_string();
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let s_bytes = BYTES.to_string();
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let resp = ReadIndexResponse {
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prefix,
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start,
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end,
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limit,
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reverse,
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partition_keys: partition_keys
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.into_iter()
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.map(|part| {
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let vals = part.filtered_values(&ring);
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ReadIndexResponseEntry {
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pk: part.sk,
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entries: *vals.get(&s_entries).unwrap_or(&0),
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conflicts: *vals.get(&s_conflicts).unwrap_or(&0),
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values: *vals.get(&s_values).unwrap_or(&0),
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bytes: *vals.get(&s_bytes).unwrap_or(&0),
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}
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})
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.collect::<Vec<_>>(),
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more,
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next_start,
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};
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Ok(json_ok_response(&resp)?)
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}
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#[derive(Serialize)]
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struct ReadIndexResponse {
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prefix: Option<String>,
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start: Option<String>,
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end: Option<String>,
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limit: Option<u64>,
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reverse: bool,
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#[serde(rename = "partitionKeys")]
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partition_keys: Vec<ReadIndexResponseEntry>,
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more: bool,
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#[serde(rename = "nextStart")]
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next_start: Option<String>,
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}
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#[derive(Serialize)]
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struct ReadIndexResponseEntry {
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pk: String,
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entries: i64,
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conflicts: i64,
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values: i64,
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bytes: i64,
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}
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