pub fn ensure_remote_has_recursive(
    &self,
    digests: Vec<Digest>,
  ) -> BoxFuture<UploadSummary, String> {
    let start_time = Instant::now();

    let remote = if let Some(ref remote) = self.remote {
      remote
    } else {
      return future::err("Cannot ensure remote has blobs without a remote".to_owned()).to_boxed();
    };

    let mut expanding_futures = Vec::new();

    let mut expanded_digests = HashMap::new();
    for digest in digests {
      match self.local.entry_type(&digest.0) {
        Ok(Some(EntryType::File)) => {
          expanded_digests.insert(digest, EntryType::File);
        }
        Ok(Some(EntryType::Directory)) => {
          expanding_futures.push(self.expand_directory(digest));
        }
        Ok(None) => {
          return future::err(format!("Failed to upload digest {:?}: Not found", digest))
            .to_boxed();
        }
        Err(err) => {
          return future::err(format!("Failed to upload digest {:?}: {:?}", digest, err))
            .to_boxed();
        }
      };
    }

    let local = self.local.clone();
    let remote = remote.clone();
    let remote2 = remote.clone();
    future::join_all(expanding_futures)
      .map(move |futures| {
        for mut digests in futures {
          for (digest, entry_type) in digests.drain() {
            expanded_digests.insert(digest, entry_type);
          }
        }
        expanded_digests
      })
      .and_then(move |ingested_digests| {
        if Store::upload_is_faster_than_checking_whether_to_upload(&ingested_digests) {
          return future::ok((ingested_digests.keys().cloned().collect(), ingested_digests))
            .to_boxed();
        }
        let request = remote.find_missing_blobs_request(ingested_digests.keys());
        let f = remote.list_missing_digests(request);
        f.map(move |digests_to_upload| (digests_to_upload, ingested_digests))
          .to_boxed()
      })
      .and_then(move |(digests_to_upload, ingested_digests)| {
        future::join_all(
          digests_to_upload
            .into_iter()
            .map(|digest| {
              let entry_type = ingested_digests[&digest];
              let remote = remote2.clone();
              local
                .load_bytes_with(entry_type, digest, move |bytes| remote.store_bytes(bytes))
                .and_then(move |maybe_future| match maybe_future {
                  Some(future) => Ok(future),
                  None => Err(format!("Failed to upload digest {:?}: Not found", digest)),
                })
            })
            .collect::<Vec<_>>(),
        )
        .and_then(future::join_all)
        .map(|uploaded_digests| (uploaded_digests, ingested_digests))
      })
      .map(move |(uploaded_digests, ingested_digests)| {
        let ingested_file_sizes = ingested_digests.iter().map(|(digest, _)| digest.1);
        let uploaded_file_sizes = uploaded_digests.iter().map(|digest| digest.1);

        UploadSummary {
          ingested_file_count: ingested_file_sizes.len(),
          ingested_file_bytes: ingested_file_sizes.sum(),
          uploaded_file_count: uploaded_file_sizes.len(),
          uploaded_file_bytes: uploaded_file_sizes.sum(),
          upload_wall_time: start_time.elapsed(),
        }
      })
      .to_boxed()
  }
///
/// Ensures that the remote ByteStore has a copy of each passed Fingerprint, including any files
/// contained in any Directories in the list.
///
/// Returns a structure with the summary of operations.
///
Ensures that the remote ByteStore has a copy of each passed Fingerprint, including any files
contained in any Directories in the list.

Returns a structure with the summary of operations.
Ensures that the remote ByteStore has a copy of each passed Fingerprint including any files contained in any Directories in the list . Returns a structure with the summary of operations .
pub fn ensure_remote_has_recursive(
    &self,
    digests: Vec<Digest>,
  ) -> BoxFuture<UploadSummary, String> {
    let start_time = Instant::now();
    let remote = if let Some(ref remote) = self.remote {
      remote
    } else {
      return future::err("Cannot ensure remote has blobs without a remote".to_owned()).to_boxed();
    };
    let mut expanding_futures = Vec::new();
    let mut expanded_digests = HashMap::new();
    for digest in digests {
      match self.local.entry_type(&digest.0) {
        Ok(Some(EntryType::File)) => {
          expanded_digests.insert(digest, EntryType::File);
        }
        Ok(Some(EntryType::Directory)) => {
          expanding_futures.push(self.expand_directory(digest));
        }
        Ok(None) => {
          return future::err(format!("Failed to upload digest {:?}: Not found", digest))
            .to_boxed();
        }
        Err(err) => {
          return future::err(format!("Failed to upload digest {:?}: {:?}", digest, err))
            .to_boxed();
        }
      };
    }
    let local = self.local.clone();
    let remote = remote.clone();
    let remote2 = remote.clone();
    future::join_all(expanding_futures)
      .map(move |futures| {
        for mut digests in futures {
          for (digest, entry_type) in digests.drain() {
            expanded_digests.insert(digest, entry_type);
          }
        }
        expanded_digests
      })
      .and_then(move |ingested_digests| {
        if Store::upload_is_faster_than_checking_whether_to_upload(&ingested_digests) {
          return future::ok((ingested_digests.keys().cloned().collect(), ingested_digests))
            .to_boxed();
        }
        let request = remote.find_missing_blobs_request(ingested_digests.keys());
        let f = remote.list_missing_digests(request);
        f.map(move |digests_to_upload| (digests_to_upload, ingested_digests))
          .to_boxed()
      })
      .and_then(move |(digests_to_upload, ingested_digests)| {
        future::join_all(
          digests_to_upload
            .into_iter()
            .map(|digest| {
              let entry_type = ingested_digests[&digest];
              let remote = remote2.clone();
              local
                .load_bytes_with(entry_type, digest, move |bytes| remote.store_bytes(bytes))
                .and_then(move |maybe_future| match maybe_future {
                  Some(future) => Ok(future),
                  None => Err(format!("Failed to upload digest {:?}: Not found", digest)),
                })
            })
            .collect::<Vec<_>>(),
        )
        .and_then(future::join_all)
        .map(|uploaded_digests| (uploaded_digests, ingested_digests))
      })
      .map(move |(uploaded_digests, ingested_digests)| {
        let ingested_file_sizes = ingested_digests.iter().map(|(digest, _)| digest.1);
        let uploaded_file_sizes = uploaded_digests.iter().map(|digest| digest.1);
        UploadSummary {
          ingested_file_count: ingested_file_sizes.len(),
          ingested_file_bytes: ingested_file_sizes.sum(),
          uploaded_file_count: uploaded_file_sizes.len(),
          uploaded_file_bytes: uploaded_file_sizes.sum(),
          upload_wall_time: start_time.elapsed(),
        }
      })
      .to_boxed()
  }
pub fn ensure_remote_has_recursive ( & self , digests : Vec < Digest > , ) -> BoxFuture < UploadSummary , String > { let start_time = Instant :: now ( ) ; let remote = if let Some ( ref remote ) = self . remote { remote } else { return future :: err ( " " . to_owned ( ) ) . to_boxed ( ) ; } ; let mut expanding_futures = Vec :: new ( ) ; let mut expanded_digests = HashMap :: new ( ) ; for digest in digests { match self . local . entry_type ( & digest . 0 ) { Ok ( Some ( EntryType :: File ) ) => { expanded_digests . insert ( digest , EntryType :: File ) ; } Ok ( Some ( EntryType :: Directory ) ) => { expanding_futures . push ( self . expand_directory ( digest ) ) ; } Ok ( None ) => { return future :: err ( format ! ( " " digest ) ) . to_boxed ( ) ; } Err ( err ) => { return future :: err ( format ! ( " " digest err ) ) . to_boxed ( ) ; } } ; } let local = self . local . clone ( ) ; let remote = remote . clone ( ) ; let remote2 = remote . clone ( ) ; future :: join_all ( expanding_futures ) . map ( move | futures | { for mut digests in futures { for ( digest , entry_type ) in digests . drain ( ) { expanded_digests . insert ( digest , entry_type ) ; } } expanded_digests } ) . and_then ( move | ingested_digests | { if Store :: upload_is_faster_than_checking_whether_to_upload ( & ingested_digests ) { return future :: ok ( ( ingested_digests . keys ( ) . cloned ( ) . collect ( ) , ingested_digests ) ) . to_boxed ( ) ; } let request = remote . find_missing_blobs_request ( ingested_digests . keys ( ) ) ; let f = remote . list_missing_digests ( request ) ; f . map ( move | digests_to_upload | ( digests_to_upload , ingested_digests ) ) . to_boxed ( ) } ) . and_then ( move | ( digests_to_upload , ingested_digests ) | { future :: join_all ( digests_to_upload . into_iter ( ) . map ( | digest | { let entry_type = ingested_digests [ & digest ] ; let remote = remote2 . clone ( ) ; local . load_bytes_with ( entry_type , digest , move | bytes | remote . store_bytes ( bytes ) ) . and_then ( move | maybe_future | match maybe_future { Some ( future ) => Ok ( future ) , None => Err ( format ! ( " " digest ) ) , } ) } ) . collect :: < Vec < _ > > ( ) , ) . and_then ( future :: join_all ) . map ( | uploaded_digests | ( uploaded_digests , ingested_digests ) ) } ) . map ( move | ( uploaded_digests , ingested_digests ) | { let ingested_file_sizes = ingested_digests . iter ( ) . map ( | ( digest , _ ) | digest . 1 ) ; let uploaded_file_sizes = uploaded_digests . iter ( ) . map ( | digest | digest . 1 ) ; UploadSummary { ingested_file_count : ingested_file_sizes . len ( ) , ingested_file_bytes : ingested_file_sizes . sum ( ) , uploaded_file_count : uploaded_file_sizes . len ( ) , uploaded_file_bytes : uploaded_file_sizes . sum ( ) , upload_wall_time : start_time . elapsed ( ) , } } ) . to_boxed ( ) }
Ensures that the remote ByteStore has a copy of each passed Fingerprint, including any files
contained in any Directories in the list.
Ensures that the remote ByteStore has a copy of each passed Fingerprint including any files contained in any Directories in the list .
&self
digests
Vec<Digest>
&self
digests
Vec<Digest>