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authorQuentin <quentin@deuxfleurs.fr>2020-11-11 16:12:42 +0100
committerQuentin <quentin@deuxfleurs.fr>2020-11-11 16:12:42 +0100
commit5a5592c176c7a17f143d0f221b6495808b7f4054 (patch)
treee368b58121f4ae5822528e54d4d8ded8c2eb2dba
parent045009da9b7ac4198574bd5aa256c11cfe4ae469 (diff)
downloadgarage-5a5592c176c7a17f143d0f221b6495808b7f4054.tar.gz
garage-5a5592c176c7a17f143d0f221b6495808b7f4054.zip
Replace with option syntaxic sugar
-rw-r--r--src/api/s3_copy.rs20
-rw-r--r--src/api/s3_delete.rs21
-rw-r--r--src/api/s3_get.rs35
-rw-r--r--src/api/s3_list.rs7
-rw-r--r--src/api/s3_put.rs34
5 files changed, 35 insertions, 82 deletions
diff --git a/src/api/s3_copy.rs b/src/api/s3_copy.rs
index 4280f4bf..5997e4fe 100644
--- a/src/api/s3_copy.rs
+++ b/src/api/s3_copy.rs
@@ -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,
diff --git a/src/api/s3_delete.rs b/src/api/s3_delete.rs
index 33e47c17..f46bfcfe 100644
--- a/src/api/s3_delete.rs
+++ b/src/api/s3_delete.rs
@@ -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));
}
diff --git a/src/api/s3_get.rs b/src/api/s3_get.rs
index 71c656f2..a68c485b 100644
--- a/src/api/s3_get.rs
+++ b/src/api/s3_get.rs
@@ -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()
diff --git a/src/api/s3_list.rs b/src/api/s3_list.rs
index 0a3b62ec..9e6bc0f5 100644
--- a/src/api/s3_list.rs
+++ b/src/api/s3_list.rs
@@ -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)
+ .and_then(move |i| Some(&object.key[..prefix.len() + i + delimiter.len()]))
} else {
None
};
diff --git a/src/api/s3_put.rs b/src/api/s3_put.rs
index ea09524c..72613323 100644
--- a/src/api/s3_put.rs
+++ b/src/api/s3_put.rs
@@ -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()