Deuxfleurs/garage
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Option Type: replace pattern matching by the corresponding syntaxic sugar #13

Merged
lx merged 2 commits from feature/syntaxic-sugar into master 2020-11-11 15:38:59 +00:00
Conversation 1 Commits 2 Files changed 5 +35 -82
5 changed files with 35 additions and 82 deletions
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20
src/api/s3_copy.rs
View file

@ -21,25 +21,20 @@ pub async fn handle_copy(
source_bucket: &str,
source_key: &str,
) -> Result<Response<Body>, Error> {
let source_object = match garage
let source_object = garage
.object_table
.get(&source_bucket.to_string(), &source_key.to_string())
.await?
{
None => return Err(Error::NotFound),
Some(o) => o,
};
.ok_or(Error::NotFound)?;
let source_last_v = match source_object
let source_last_v = source_object
.versions()
.iter()
.rev()
.filter(|v| v.is_complete())
.next()
{
Some(v) => v,
None => return Err(Error::NotFound),
};
.ok_or(Error::NotFound)?;
let source_last_state = match &source_last_v.state {
ObjectVersionState::Complete(x) => x,
_ => unreachable!(),
@ -69,10 +64,7 @@ pub async fn handle_copy(
.version_table
.get(&source_last_v.uuid, &EmptyKey)
.await?;
let source_version = match source_version {
Some(v) => v,
None => return Err(Error::NotFound),
};
let source_version = source_version.ok_or(Error::NotFound)?;
let dest_version = Version::new(
new_uuid,

21
src/api/s3_delete.rs
View file

@ -16,17 +16,11 @@ async fn handle_delete_internal(
bucket: &str,
key: &str,
) -> Result<(UUID, UUID), Error> {
let object = match garage
let object = garage
.object_table
.get(&bucket.to_string(), &key.to_string())
.await?
{
None => {
// No need to delete
return Err(Error::NotFound);
}
Some(o) => o,
};
.ok_or(Error::NotFound)?; // No need to delete
let interesting_versions = object.versions().iter().filter(|v| match v.state {
ObjectVersionState::Aborted => false,
@ -43,10 +37,7 @@ async fn handle_delete_internal(
timestamp = std::cmp::max(timestamp, v.timestamp + 1);
}
let deleted_version = match must_delete {
None => return Err(Error::NotFound),
Some(v) => v,
};
let deleted_version = must_delete.ok_or(Error::NotFound)?;
let version_uuid = gen_uuid();
@ -142,10 +133,8 @@ fn parse_delete_objects_xml(xml: &roxmltree::Document) -> Result<DeleteRequest,
let mut ret = DeleteRequest { objects: vec![] };
let root = xml.root();
let delete = match root.first_child() {
Some(del) => del,
None => return Err(format!("Delete tag not found")),
};
let delete = root.first_child().ok_or(format!("Delete tag not found"))?;
if !delete.has_tag_name("Delete") {
return Err(format!("Invalid root tag: {:?}", root));
}

35
src/api/s3_get.rs
View file

@ -41,25 +41,20 @@ pub async fn handle_head(
bucket: &str,
key: &str,
) -> Result<Response<Body>, Error> {
let object = match garage
let object = garage
.object_table
.get(&bucket.to_string(), &key.to_string())
.await?
{
None => return Err(Error::NotFound),
Some(o) => o,
};
.ok_or(Error::NotFound)?;
let version = match object
let version = object
.versions()
.iter()
.rev()
.filter(|v| v.is_data())
.next()
{
Some(v) => v,
None => return Err(Error::NotFound),
};
.ok_or(Error::NotFound)?;
let version_meta = match &version.state {
ObjectVersionState::Complete(ObjectVersionData::Inline(meta, _)) => meta,
ObjectVersionState::Complete(ObjectVersionData::FirstBlock(meta, _)) => meta,
@ -80,25 +75,20 @@ pub async fn handle_get(
bucket: &str,
key: &str,
) -> Result<Response<Body>, Error> {
let object = match garage
let object = garage
.object_table
.get(&bucket.to_string(), &key.to_string())
.await?
{
None => return Err(Error::NotFound),
Some(o) => o,
};
.ok_or(Error::NotFound)?;
let last_v = match object
let last_v = object
.versions()
.iter()
.rev()
.filter(|v| v.is_complete())
.next()
{
Some(v) => v,
None => return Err(Error::NotFound),
};
.ok_or(Error::NotFound)?;
let last_v_data = match &last_v.state {
ObjectVersionState::Complete(x) => x,
_ => unreachable!(),
@ -146,10 +136,7 @@ pub async fn handle_get(
let get_next_blocks = garage.version_table.get(&last_v.uuid, &EmptyKey);
let (first_block, version) = futures::try_join!(read_first_block, get_next_blocks)?;
let version = match version {
Some(v) => v,
None => return Err(Error::NotFound),
};
let version = version.ok_or(Error::NotFound)?;
let mut blocks = version
.blocks()

7
src/api/s3_list.rs
View file

@ -64,10 +64,9 @@ pub async fn handle_list(
}
let common_prefix = if delimiter.len() > 0 {
let relative_key = &object.key[prefix.len()..];
match relative_key.find(delimiter) {
Some(i) => Some(&object.key[..prefix.len() + i + delimiter.len()]),
None => None,
}
relative_key
.find(delimiter)
.map(|i| &object.key[..prefix.len() + i + delimiter.len()])
} else {
None
};

34
src/api/s3_put.rs
View file

@ -37,10 +37,7 @@ pub async fn handle_put(
let body = req.into_body();
let mut chunker = BodyChunker::new(body, garage.config.block_size);
let first_block = match chunker.next().await? {
Some(x) => x,
None => vec![],
};
let first_block = chunker.next().await?.unwrap_or(vec![]);
let mut object_version = ObjectVersion {
uuid: version_uuid,
@ -325,14 +322,9 @@ pub async fn handle_put_part(
let (object, first_block) = futures::try_join!(get_object_fut, get_first_block_fut)?;
// Check object is valid and multipart block can be accepted
let first_block = match first_block {
None => return Err(Error::BadRequest(format!("Empty body"))),
Some(x) => x,
};
let object = match object {
None => return Err(Error::BadRequest(format!("Object not found"))),
Some(x) => x,
};
let first_block = first_block.ok_or(Error::BadRequest(format!("Empty body")))?;
let object = object.ok_or(Error::BadRequest(format!("Object not found")))?;
if !object
.versions()
.iter()
@ -392,10 +384,8 @@ pub async fn handle_complete_multipart_upload(
garage.object_table.get(&bucket, &key),
garage.version_table.get(&version_uuid, &EmptyKey),
)?;
let object = match object {
None => return Err(Error::BadRequest(format!("Object not found"))),
Some(x) => x,
};
let object = object.ok_or(Error::BadRequest(format!("Object not found")))?;
let object_version = object
.versions()
.iter()
@ -408,10 +398,8 @@ pub async fn handle_complete_multipart_upload(
}
Some(x) => x.clone(),
};
let version = match version {
None => return Err(Error::BadRequest(format!("Version not found"))),
Some(x) => x,
};
let version = version.ok_or(Error::BadRequest(format!("Version not found")))?;
if version.blocks().len() == 0 {
return Err(Error::BadRequest(format!("No data was uploaded")));
}
@ -474,10 +462,8 @@ pub async fn handle_abort_multipart_upload(
.object_table
.get(&bucket.to_string(), &key.to_string())
.await?;
let object = match object {
None => return Err(Error::BadRequest(format!("Object not found"))),
Some(x) => x,
};
let object = object.ok_or(Error::BadRequest(format!("Object not found")))?;
let object_version = object
.versions()
.iter()