servers/http/skip_wal.rs
1// Copyright 2023 Greptime Team
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use axum::body::Body;
16use axum::http::Request;
17use axum::middleware::Next;
18use axum::response::{IntoResponse, Response};
19use session::context::QueryContext;
20
21use crate::error::InvalidParameterSnafu;
22use crate::http::header::GREPTIME_INSERT_SKIP_WAL_HEADER_NAME;
23use crate::http::result::error_result::ErrorResponse;
24
25/// Extract the request-level WAL policy from the dedicated HTTP header.
26pub async fn extract_skip_wal(mut request: Request<Body>, next: Next) -> Response {
27 let skip_wal = match request.headers().get(&GREPTIME_INSERT_SKIP_WAL_HEADER_NAME) {
28 None => false,
29 Some(value) => match value
30 .to_str()
31 .ok()
32 .and_then(|value| value.parse::<bool>().ok())
33 {
34 Some(skip_wal) => skip_wal,
35 None => {
36 return (
37 http::StatusCode::BAD_REQUEST,
38 ErrorResponse::from_error(
39 InvalidParameterSnafu {
40 reason: format!(
41 "{} must be true or false",
42 GREPTIME_INSERT_SKIP_WAL_HEADER_NAME
43 ),
44 }
45 .build(),
46 ),
47 )
48 .into_response();
49 }
50 },
51 };
52 if let Some(query_ctx) = request.extensions_mut().get_mut::<QueryContext>() {
53 query_ctx.set_skip_wal(skip_wal);
54 }
55 next.run(request).await
56}