pub struct Multipart<'a> { /* private fields */ }Implementations§
source§impl<'a> Multipart<'a>
impl<'a> Multipart<'a>
sourcepub fn query_string(&self) -> String
pub fn query_string(&self) -> String
Examples found in repository?
src/request/request_trait.rs (line 313)
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fn url(&self) -> Result<Url, S3Error> {
let mut url_str = self.bucket().url();
if let Command::CreateBucket { .. } = self.command() {
return Ok(Url::parse(&url_str)?);
}
let path = if self.path().starts_with('/') {
self.path()[1..].to_string()
} else {
self.path()[..].to_string()
};
url_str.push('/');
url_str.push_str(&signing::uri_encode(&path, false));
// Append to url_path
#[allow(clippy::collapsible_match)]
match self.command() {
Command::InitiateMultipartUpload { .. } | Command::ListMultipartUploads { .. } => {
url_str.push_str("?uploads")
}
Command::AbortMultipartUpload { upload_id } => {
write!(url_str, "?uploadId={}", upload_id).expect("Could not write to url_str");
}
Command::CompleteMultipartUpload { upload_id, .. } => {
write!(url_str, "?uploadId={}", upload_id).expect("Could not write to url_str");
}
Command::GetObjectTorrent => url_str.push_str("?torrent"),
Command::PutObject { multipart, .. } => {
if let Some(multipart) = multipart {
url_str.push_str(&multipart.query_string())
}
}
_ => {}
}
let mut url = Url::parse(&url_str)?;
for (key, value) in &self.bucket().extra_query {
url.query_pairs_mut().append_pair(key, value);
}
if let Command::ListObjectsV2 {
prefix,
delimiter,
continuation_token,
start_after,
max_keys,
} = self.command().clone()
{
let mut query_pairs = url.query_pairs_mut();
delimiter.map(|d| query_pairs.append_pair("delimiter", &d));
query_pairs.append_pair("prefix", &prefix);
query_pairs.append_pair("list-type", "2");
if let Some(token) = continuation_token {
query_pairs.append_pair("continuation-token", &token);
}
if let Some(start_after) = start_after {
query_pairs.append_pair("start-after", &start_after);
}
if let Some(max_keys) = max_keys {
query_pairs.append_pair("max-keys", &max_keys.to_string());
}
}
if let Command::ListObjects {
prefix,
delimiter,
marker,
max_keys,
} = self.command().clone()
{
let mut query_pairs = url.query_pairs_mut();
delimiter.map(|d| query_pairs.append_pair("delimiter", &d));
query_pairs.append_pair("prefix", &prefix);
if let Some(marker) = marker {
query_pairs.append_pair("marker", &marker);
}
if let Some(max_keys) = max_keys {
query_pairs.append_pair("max-keys", &max_keys.to_string());
}
}
match self.command() {
Command::ListMultipartUploads {
prefix,
delimiter,
key_marker,
max_uploads,
} => {
let mut query_pairs = url.query_pairs_mut();
delimiter.map(|d| query_pairs.append_pair("delimiter", d));
if let Some(prefix) = prefix {
query_pairs.append_pair("prefix", prefix);
}
if let Some(key_marker) = key_marker {
query_pairs.append_pair("key-marker", &key_marker);
}
if let Some(max_uploads) = max_uploads {
query_pairs.append_pair("max-uploads", max_uploads.to_string().as_str());
}
}
Command::PutObjectTagging { .. }
| Command::GetObjectTagging
| Command::DeleteObjectTagging => {
url.query_pairs_mut().append_pair("tagging", "");
}
_ => {}
}
Ok(url)
}sourcepub fn new(part_number: u32, upload_id: &'a str) -> Self
pub fn new(part_number: u32, upload_id: &'a str) -> Self
Examples found in repository?
src/bucket.rs (line 1051)
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async fn make_multipart_request(
&self,
path: &str,
chunk: Vec<u8>,
part_number: u32,
upload_id: &str,
content_type: &str,
) -> Result<ResponseData, S3Error> {
let command = Command::PutObject {
content: &chunk,
multipart: Some(Multipart::new(part_number, upload_id)), // upload_id: &msg.upload_id,
content_type,
};
let request = RequestImpl::new(self, path, command)?;
request.response_data(true).await
}
#[maybe_async::async_impl]
async fn _put_object_stream_with_content_type<R: AsyncRead + Unpin>(
&self,
reader: &mut R,
s3_path: &str,
content_type: &str,
) -> Result<u16, S3Error> {
// If the file is smaller CHUNK_SIZE, just do a regular upload.
// Otherwise perform a multi-part upload.
let first_chunk = crate::utils::read_chunk_async(reader).await?;
if first_chunk.len() < CHUNK_SIZE {
let response_data = self
.put_object_with_content_type(s3_path, first_chunk.as_slice(), content_type)
.await?;
if response_data.status_code() >= 300 {
return Err(error_from_response_data(response_data)?);
}
return Ok(response_data.status_code());
}
let msg = self
.initiate_multipart_upload(s3_path, content_type)
.await?;
let path = msg.key;
let upload_id = &msg.upload_id;
let mut part_number: u32 = 0;
let mut etags = Vec::new();
// Collect request handles
let mut handles = vec![];
loop {
let chunk = if part_number == 0 {
first_chunk.clone()
} else {
crate::utils::read_chunk_async(reader).await?
};
let done = chunk.len() < CHUNK_SIZE;
// Start chunk upload
part_number += 1;
handles.push(self.make_multipart_request(
&path,
chunk,
part_number,
upload_id,
content_type,
));
if done {
break;
}
}
// Wait for all chunks to finish (or fail)
let responses = futures::future::join_all(handles).await;
for response in responses {
let response_data = response?;
if !(200..300).contains(&response_data.status_code()) {
// if chunk upload failed - abort the upload
match self.abort_upload(&path, upload_id).await {
Ok(_) => {
return Err(error_from_response_data(response_data)?);
}
Err(error) => {
return Err(error);
}
}
}
let etag = response_data.as_str()?;
etags.push(etag.to_string());
}
// Finish the upload
let inner_data = etags
.clone()
.into_iter()
.enumerate()
.map(|(i, x)| Part {
etag: x,
part_number: i as u32 + 1,
})
.collect::<Vec<Part>>();
let response_data = self
.complete_multipart_upload(&path, &msg.upload_id, inner_data)
.await?;
Ok(response_data.status_code())
}
#[maybe_async::sync_impl]
fn _put_object_stream_with_content_type<R: Read>(
&self,
reader: &mut R,
s3_path: &str,
content_type: &str,
) -> Result<u16, S3Error> {
let msg = self.initiate_multipart_upload(s3_path, content_type)?;
let path = msg.key;
let upload_id = &msg.upload_id;
let mut part_number: u32 = 0;
let mut etags = Vec::new();
loop {
let chunk = crate::utils::read_chunk(reader)?;
if chunk.len() < CHUNK_SIZE {
if part_number == 0 {
// Files is not big enough for multipart upload, going with regular put_object
self.abort_upload(&path, upload_id)?;
self.put_object(s3_path, chunk.as_slice())?;
} else {
part_number += 1;
let part = self.put_multipart_chunk(
chunk,
&path,
part_number,
upload_id,
content_type,
)?;
etags.push(part.etag);
let inner_data = etags
.into_iter()
.enumerate()
.map(|(i, x)| Part {
etag: x,
part_number: i as u32 + 1,
})
.collect::<Vec<Part>>();
return Ok(self
.complete_multipart_upload(&path, upload_id, inner_data)?
.status_code());
// let response = std::str::from_utf8(data.as_slice())?;
}
} else {
part_number += 1;
let part =
self.put_multipart_chunk(chunk, &path, part_number, upload_id, content_type)?;
etags.push(part.etag.to_string());
}
}
}
/// Initiate multipart upload to s3.
#[maybe_async::async_impl]
pub async fn initiate_multipart_upload(
&self,
s3_path: &str,
content_type: &str,
) -> Result<InitiateMultipartUploadResponse, S3Error> {
let command = Command::InitiateMultipartUpload { content_type };
let request = RequestImpl::new(self, s3_path, command)?;
let response_data = request.response_data(false).await?;
if response_data.status_code() >= 300 {
return Err(error_from_response_data(response_data)?);
}
let msg: InitiateMultipartUploadResponse =
quick_xml::de::from_str(response_data.as_str()?)?;
Ok(msg)
}
#[maybe_async::sync_impl]
pub fn initiate_multipart_upload(
&self,
s3_path: &str,
content_type: &str,
) -> Result<InitiateMultipartUploadResponse, S3Error> {
let command = Command::InitiateMultipartUpload { content_type };
let request = RequestImpl::new(self, s3_path, command)?;
let response_data = request.response_data(false)?;
if response_data.status_code() >= 300 {
return Err(error_from_response_data(response_data)?);
}
let msg: InitiateMultipartUploadResponse =
quick_xml::de::from_str(response_data.as_str()?)?;
Ok(msg)
}
/// Upload a streamed multipart chunk to s3 using a previously initiated multipart upload
#[maybe_async::async_impl]
pub async fn put_multipart_stream<R: Read + Unpin>(
&self,
reader: &mut R,
path: &str,
part_number: u32,
upload_id: &str,
content_type: &str,
) -> Result<Part, S3Error> {
let chunk = crate::utils::read_chunk(reader)?;
self.put_multipart_chunk(chunk, path, part_number, upload_id, content_type)
.await
}
#[maybe_async::sync_impl]
pub async fn put_multipart_stream<R: Read + Unpin>(
&self,
reader: &mut R,
path: &str,
part_number: u32,
upload_id: &str,
content_type: &str,
) -> Result<Part, S3Error> {
let chunk = crate::utils::read_chunk(reader)?;
self.put_multipart_chunk(chunk, path, part_number, upload_id, content_type)
}
/// Upload a buffered multipart chunk to s3 using a previously initiated multipart upload
#[maybe_async::async_impl]
pub async fn put_multipart_chunk(
&self,
chunk: Vec<u8>,
path: &str,
part_number: u32,
upload_id: &str,
content_type: &str,
) -> Result<Part, S3Error> {
let command = Command::PutObject {
// part_number,
content: &chunk,
multipart: Some(Multipart::new(part_number, upload_id)), // upload_id: &msg.upload_id,
content_type,
};
let request = RequestImpl::new(self, path, command)?;
let response_data = request.response_data(true).await?;
if !(200..300).contains(&response_data.status_code()) {
// if chunk upload failed - abort the upload
match self.abort_upload(path, upload_id).await {
Ok(_) => {
return Err(error_from_response_data(response_data)?);
}
Err(error) => {
return Err(error);
}
}
}
let etag = response_data.as_str()?;
Ok(Part {
etag: etag.to_string(),
part_number,
})
}