some internal combinator-influenced api cleanup

The download methods used to take the destination by value
and return them again, since this was required when using
combinators before we had `async fn`.
But this is just an ugly left-over now.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller 2020-06-12 11:46:42 +02:00
parent 8e6e18b77c
commit 3d571d5509
5 changed files with 23 additions and 22 deletions

View File

@ -44,8 +44,8 @@ async fn run() -> Result<(), Error> {
let mut bytes = 0;
for _ in 0..100 {
let writer = DummyWriter { bytes: 0 };
let writer = client.speedtest(writer).await?;
let mut writer = DummyWriter { bytes: 0 };
client.speedtest(&mut writer).await?;
println!("Received {} bytes", writer.bytes);
bytes += writer.bytes;
}

View File

@ -2199,7 +2199,7 @@ async fn catalog_shell(param: Value) -> Result<(), Error> {
true,
).await?;
let tmpfile = std::fs::OpenOptions::new()
let mut tmpfile = std::fs::OpenOptions::new()
.write(true)
.read(true)
.custom_flags(libc::O_TMPFILE)
@ -2216,7 +2216,7 @@ async fn catalog_shell(param: Value) -> Result<(), Error> {
Arc::new(BufferedDynamicReadAt::new(reader));
let decoder = proxmox_backup::pxar::fuse::Accessor::new(reader, archive_size).await?;
let tmpfile = client.download(CATALOG_NAME, tmpfile).await?;
client.download(CATALOG_NAME, &mut tmpfile).await?;
let index = DynamicIndexReader::new(tmpfile)
.map_err(|err| format_err!("unable to read catalog index - {}", err))?;

View File

@ -91,7 +91,7 @@ impl BackupReader {
&self,
file_name: &str,
output: W,
) -> Result<W, Error> {
) -> Result<(), Error> {
let path = "download";
let param = json!({ "file-name": file_name });
self.h2.download(path, Some(param), output).await
@ -103,7 +103,7 @@ impl BackupReader {
pub async fn speedtest<W: Write + Send>(
&self,
output: W,
) -> Result<W, Error> {
) -> Result<(), Error> {
self.h2.download("speedtest", None, output).await
}
@ -112,7 +112,7 @@ impl BackupReader {
&self,
digest: &[u8; 32],
output: W,
) -> Result<W, Error> {
) -> Result<(), Error> {
let path = "chunk";
let param = json!({ "digest": digest_to_hex(digest) });
self.h2.download(path, Some(param), output).await
@ -127,7 +127,8 @@ impl BackupReader {
use std::convert::TryFrom;
let raw_data = self.download(MANIFEST_BLOB_NAME, Vec::with_capacity(64*1024)).await?;
let mut raw_data = Vec::with_capacity(64 * 1024);
self.download(MANIFEST_BLOB_NAME, &mut raw_data).await?;
let blob = DataBlob::from_raw(raw_data)?;
blob.verify_crc()?;
let data = blob.decode(self.crypt_config.as_ref().map(Arc::as_ref))?;
@ -146,13 +147,13 @@ impl BackupReader {
name: &str,
) -> Result<DataBlobReader<File>, Error> {
let tmpfile = std::fs::OpenOptions::new()
let mut tmpfile = std::fs::OpenOptions::new()
.write(true)
.read(true)
.custom_flags(libc::O_TMPFILE)
.open("/tmp")?;
let mut tmpfile = self.download(name, tmpfile).await?;
self.download(name, &mut tmpfile).await?;
let (csum, size) = compute_file_csum(&mut tmpfile)?;
manifest.verify_file(name, &csum, size)?;
@ -172,13 +173,13 @@ impl BackupReader {
name: &str,
) -> Result<DynamicIndexReader, Error> {
let tmpfile = std::fs::OpenOptions::new()
let mut tmpfile = std::fs::OpenOptions::new()
.write(true)
.read(true)
.custom_flags(libc::O_TMPFILE)
.open("/tmp")?;
let tmpfile = self.download(name, tmpfile).await?;
self.download(name, &mut tmpfile).await?;
let index = DynamicIndexReader::new(tmpfile)
.map_err(|err| format_err!("unable to read dynamic index '{}' - {}", name, err))?;
@ -200,13 +201,13 @@ impl BackupReader {
name: &str,
) -> Result<FixedIndexReader, Error> {
let tmpfile = std::fs::OpenOptions::new()
let mut tmpfile = std::fs::OpenOptions::new()
.write(true)
.read(true)
.custom_flags(libc::O_TMPFILE)
.open("/tmp")?;
let tmpfile = self.download(name, tmpfile).await?;
self.download(name, &mut tmpfile).await?;
let index = FixedIndexReader::new(tmpfile)
.map_err(|err| format_err!("unable to read fixed index '{}' - {}", name, err))?;

View File

@ -707,7 +707,7 @@ impl H2Client {
path: &str,
param: Option<Value>,
mut output: W,
) -> Result<W, Error> {
) -> Result<(), Error> {
let request = Self::request_builder("localhost", "GET", path, param, None).unwrap();
let response_future = self.send_request(request, None).await?;
@ -727,7 +727,7 @@ impl H2Client {
output.write_all(&chunk)?;
}
Ok(output)
Ok(())
}
pub async fn upload(

View File

@ -47,13 +47,13 @@ async fn download_manifest(
filename: &std::path::Path,
) -> Result<std::fs::File, Error> {
let tmp_manifest_file = std::fs::OpenOptions::new()
let mut tmp_manifest_file = std::fs::OpenOptions::new()
.write(true)
.create(true)
.read(true)
.open(&filename)?;
let mut tmp_manifest_file = reader.download(MANIFEST_BLOB_NAME, tmp_manifest_file).await?;
reader.download(MANIFEST_BLOB_NAME, &mut tmp_manifest_file).await?;
tmp_manifest_file.seek(SeekFrom::Start(0))?;
@ -77,13 +77,13 @@ async fn pull_single_archive(
tmp_path.set_extension("tmp");
worker.log(format!("sync archive {}", archive_name));
let tmpfile = std::fs::OpenOptions::new()
let mut tmpfile = std::fs::OpenOptions::new()
.write(true)
.create(true)
.read(true)
.open(&tmp_path)?;
let tmpfile = reader.download(archive_name, tmpfile).await?;
reader.download(archive_name, &mut tmpfile).await?;
match archive_type(archive_name)? {
ArchiveType::DynamicIndex => {
@ -124,7 +124,7 @@ async fn try_client_log_download(
.open(&tmp_path)?;
// Note: be silent if there is no log - only log successful download
if let Ok(_) = reader.download(CLIENT_LOG_BLOB_NAME, tmpfile).await {
if let Ok(()) = reader.download(CLIENT_LOG_BLOB_NAME, tmpfile).await {
if let Err(err) = std::fs::rename(&tmp_path, &path) {
bail!("Atomic rename file {:?} failed - {}", path, err);
}