opendal/services/sftp/
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::pin::Pin;
19
20use bytes::Buf;
21use openssh_sftp_client::file::File;
22use openssh_sftp_client::file::TokioCompatFile;
23use tokio::io::AsyncWriteExt;
24
25use crate::raw::*;
26use crate::*;
27
28pub struct SftpWriter {
29    /// TODO: maybe we can use `File` directly?
30    file: Pin<Box<TokioCompatFile>>,
31}
32
33impl SftpWriter {
34    pub fn new(file: File) -> Self {
35        SftpWriter {
36            file: Box::pin(TokioCompatFile::new(file)),
37        }
38    }
39}
40
41impl oio::Write for SftpWriter {
42    async fn write(&mut self, mut bs: Buffer) -> Result<()> {
43        while bs.has_remaining() {
44            let n = self
45                .file
46                .write(bs.chunk())
47                .await
48                .map_err(new_std_io_error)?;
49            bs.advance(n);
50        }
51
52        Ok(())
53    }
54
55    async fn close(&mut self) -> Result<Metadata> {
56        self.file.shutdown().await.map_err(new_std_io_error)?;
57
58        Ok(Metadata::default())
59    }
60
61    async fn abort(&mut self) -> Result<()> {
62        Err(Error::new(
63            ErrorKind::Unsupported,
64            "SftpWriter doesn't support abort",
65        ))
66    }
67}
opendal/services/sftp/writer.rs

opendal/services/sftp/
writer.rs
