opendal/services/azfile/
writer.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use std::sync::Arc;
19
20use http::StatusCode;
21
22use super::core::AzfileCore;
23use super::error::parse_error;
24use crate::raw::*;
25use crate::*;
26
27pub type AzfileWriters = TwoWays<oio::OneShotWriter<AzfileWriter>, oio::AppendWriter<AzfileWriter>>;
28
29pub struct AzfileWriter {
30    core: Arc<AzfileCore>,
31    op: OpWrite,
32    path: String,
33}
34
35impl AzfileWriter {
36    pub fn new(core: Arc<AzfileCore>, op: OpWrite, path: String) -> Self {
37        AzfileWriter { core, op, path }
38    }
39}
40
41impl oio::OneShotWrite for AzfileWriter {
42    async fn write_once(&self, bs: Buffer) -> Result<Metadata> {
43        let resp = self
44            .core
45            .azfile_create_file(&self.path, bs.len(), &self.op)
46            .await?;
47
48        let status = resp.status();
49        match status {
50            StatusCode::OK | StatusCode::CREATED => {}
51            _ => {
52                return Err(parse_error(resp).with_operation("Backend::azfile_create_file"));
53            }
54        }
55
56        let resp = self
57            .core
58            .azfile_update(&self.path, bs.len() as u64, 0, bs)
59            .await?;
60        let status = resp.status();
61        match status {
62            StatusCode::OK | StatusCode::CREATED => Ok(Metadata::default()),
63            _ => Err(parse_error(resp).with_operation("Backend::azfile_update")),
64        }
65    }
66}
67
68impl oio::AppendWrite for AzfileWriter {
69    async fn offset(&self) -> Result<u64> {
70        let resp = self.core.azfile_get_file_properties(&self.path).await?;
71
72        let status = resp.status();
73
74        match status {
75            StatusCode::OK => Ok(parse_content_length(resp.headers())?.unwrap_or_default()),
76            _ => Err(parse_error(resp)),
77        }
78    }
79
80    async fn append(&self, offset: u64, size: u64, body: Buffer) -> Result<Metadata> {
81        let resp = self
82            .core
83            .azfile_update(&self.path, size, offset, body)
84            .await?;
85
86        let status = resp.status();
87        match status {
88            StatusCode::OK | StatusCode::CREATED => Ok(Metadata::default()),
89            _ => Err(parse_error(resp).with_operation("Backend::azfile_update")),
90        }
91    }
92}
opendal/services/azfile/writer.rs

opendal/services/azfile/
writer.rs
