mirror of
https://git.asonix.dog/asonix/pict-rs
synced 2024-12-22 19:31:35 +00:00
Clean migration, don't use db tree
This commit is contained in:
parent
fd10934bf8
commit
6de19d17b6
4 changed files with 273 additions and 92 deletions
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@ -1,12 +1,53 @@
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use crate::UploadError;
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use sled as sled034;
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use sled032;
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use sled;
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use std::path::PathBuf;
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use tracing::{debug, info, warn};
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const SLED_034: &str = "db-0.34";
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const SLED_032: &str = "db-0.32";
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const SLED_0320_RC1: &str = "db";
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mod s032;
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mod s034;
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type SledIter = Box<dyn Iterator<Item = Result<(Vec<u8>, Vec<u8>), UploadError>>>;
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trait SledDb {
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type SledTree: SledTree;
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fn open_tree(&self, name: &str) -> Result<Self::SledTree, UploadError>;
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fn self_tree(&self) -> &Self::SledTree;
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}
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impl<T> SledDb for &T
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where
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T: SledDb,
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{
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type SledTree = T::SledTree;
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fn open_tree(&self, name: &str) -> Result<Self::SledTree, UploadError> {
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(*self).open_tree(name)
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}
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fn self_tree(&self) -> &Self::SledTree {
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(*self).self_tree()
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}
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}
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trait SledTree {
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fn get<K>(&self, key: K) -> Result<Option<Vec<u8>>, UploadError>
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where
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K: AsRef<[u8]>;
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fn insert<K, V>(&self, key: K, value: V) -> Result<(), UploadError>
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where
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K: AsRef<[u8]>,
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V: AsRef<[u8]>;
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fn iter(&self) -> SledIter;
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fn range<K, R>(&self, range: R) -> SledIter
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where
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K: AsRef<[u8]>,
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R: std::ops::RangeBounds<K>;
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}
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pub(crate) struct LatestDb {
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root_dir: PathBuf,
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@ -20,7 +61,7 @@ impl LatestDb {
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LatestDb { root_dir, version }
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}
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pub(crate) fn migrate(self) -> Result<sled034::Db, UploadError> {
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pub(crate) fn migrate(self) -> Result<sled::Db, UploadError> {
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let LatestDb { root_dir, version } = self;
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version.migrate(root_dir)
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@ -36,84 +77,62 @@ enum DbVersion {
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impl DbVersion {
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fn exists(root: PathBuf) -> Self {
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let mut sled_dir = root.clone();
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sled_dir.push("sled");
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sled_dir.push(SLED_034);
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if std::fs::metadata(sled_dir).is_ok() {
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if s034::exists(root.clone()) {
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return DbVersion::Sled034;
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}
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let mut sled_dir = root.clone();
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sled_dir.push("sled");
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sled_dir.push(SLED_032);
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if std::fs::metadata(sled_dir).is_ok() {
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if s032::exists(root.clone()) {
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return DbVersion::Sled032;
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}
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let mut sled_dir = root;
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sled_dir.push(SLED_0320_RC1);
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if std::fs::metadata(sled_dir).is_ok() {
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if s032::exists_rc1(root.clone()) {
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return DbVersion::Sled0320Rc1;
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}
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DbVersion::Fresh
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}
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fn migrate(self, root: PathBuf) -> Result<sled034::Db, UploadError> {
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fn migrate(self, root: PathBuf) -> Result<sled::Db, UploadError> {
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match self {
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DbVersion::Sled0320Rc1 => {
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migrate_0_32_0_rc1(root.clone())?;
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migrate_0_32(root)
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}
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DbVersion::Sled0320Rc1 => migrate_0_32_0_rc1(root),
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DbVersion::Sled032 => migrate_0_32(root),
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DbVersion::Sled034 | DbVersion::Fresh => {
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let mut sled_dir = root;
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sled_dir.push("sled");
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sled_dir.push(SLED_034);
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Ok(sled034::open(sled_dir)?)
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}
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DbVersion::Sled034 | DbVersion::Fresh => s034::open(root),
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}
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}
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}
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fn migrate_0_32(mut root: PathBuf) -> Result<sled034::Db, UploadError> {
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info!("Migrating database from 0.32 to 0.34");
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root.push("sled");
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let mut sled_dir = root.clone();
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sled_dir.push(SLED_032);
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let mut new_sled_dir = root.clone();
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new_sled_dir.push(SLED_034);
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let old_db = sled032::open(sled_dir)?;
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let new_db = sled034::open(new_sled_dir)?;
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new_db.import(old_db.export());
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Ok(new_db)
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}
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fn migrate_0_32_0_rc1(root: PathBuf) -> Result<sled032::Db, UploadError> {
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fn migrate_0_32_0_rc1(root: PathBuf) -> Result<sled::Db, UploadError> {
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info!("Migrating database from 0.32.0-rc1 to 0.32.0");
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let mut sled_dir = root.clone();
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sled_dir.push("db");
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let mut new_sled_dir = root;
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new_sled_dir.push("sled");
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new_sled_dir.push(SLED_032);
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let old_db = s032::open_rc1(root.clone())?;
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let new_db = s034::open(root)?;
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let old_db = sled032::open(sled_dir)?;
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let new_db = sled032::open(new_sled_dir)?;
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migrate(old_db, new_db)
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}
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fn migrate_0_32(root: PathBuf) -> Result<sled::Db, UploadError> {
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info!("Migrating database from 0.32 to 0.34");
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let old_db = s032::open(root.clone())?;
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let new_db = s034::open(root)?;
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migrate(old_db, new_db)
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}
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fn migrate<Old, New>(old_db: Old, new_db: New) -> Result<New, UploadError>
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where
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Old: SledDb,
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New: SledDb,
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{
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let old_alias_tree = old_db.open_tree("alias")?;
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let new_alias_tree = new_db.open_tree("alias")?;
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let old_fname_tree = old_db.open_tree("filename")?;
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let new_fname_tree = new_db.open_tree("filename")?;
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for res in old_alias_tree.iter().keys() {
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let k = res?;
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for res in old_alias_tree.iter() {
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let (k, _) = res?;
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if let Some(v) = old_alias_tree.get(&k)? {
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if !k.contains(&b"/"[0]) {
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// k is an alias
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@ -135,8 +154,8 @@ fn migrate_0_32_0_rc1(root: PathBuf) -> Result<sled032::Db, UploadError> {
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}
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}
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for res in old_fname_tree.iter().keys() {
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let k = res?;
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for res in old_fname_tree.iter() {
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let (k, _) = res?;
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if let Some(v) = old_fname_tree.get(&k)? {
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debug!(
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"Moving file -> hash for file {}",
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@ -148,37 +167,43 @@ fn migrate_0_32_0_rc1(root: PathBuf) -> Result<sled032::Db, UploadError> {
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}
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}
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Ok(new_db) as Result<sled032::Db, UploadError>
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Ok(new_db)
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}
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fn migrate_main_tree(
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alias: &sled032::IVec,
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hash: &sled032::IVec,
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old_db: &sled032::Db,
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new_db: &sled032::Db,
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) -> Result<(), UploadError> {
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fn migrate_main_tree<Old, New>(
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alias: &[u8],
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hash: &[u8],
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old_db: Old,
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new_db: New,
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) -> Result<(), UploadError>
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where
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Old: SledDb,
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New: SledDb,
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{
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let main_tree = new_db.open_tree("main")?;
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debug!(
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"Migrating files for {}",
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String::from_utf8_lossy(alias.as_ref())
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);
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if let Some(v) = old_db.get(&hash)? {
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new_db.insert(&hash, v)?;
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if let Some(v) = old_db.self_tree().get(&hash)? {
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main_tree.insert(&hash, v)?;
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} else {
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warn!("Missing filename");
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}
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let (start, end) = alias_key_bounds(&hash);
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for res in old_db.range(start..end) {
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for res in old_db.self_tree().range(start..end) {
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let (k, v) = res?;
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debug!("Moving alias {}", String::from_utf8_lossy(v.as_ref()));
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new_db.insert(k, v)?;
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main_tree.insert(k, v)?;
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}
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let (start, end) = variant_key_bounds(&hash);
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for res in old_db.range(start..end) {
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for res in old_db.self_tree().range(start..end) {
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let (k, v) = res?;
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debug!("Moving variant {}", String::from_utf8_lossy(v.as_ref()));
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new_db.insert(k, v)?;
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main_tree.insert(k, v)?;
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}
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Ok(())
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81
src/migrate/s032.rs
Normal file
81
src/migrate/s032.rs
Normal file
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@ -0,0 +1,81 @@
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use crate::{
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migrate::{SledDb, SledIter, SledTree},
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UploadError,
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};
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use std::path::PathBuf;
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const SLED_032: &str = "db-0.32";
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const SLED_0320_RC1: &str = "db";
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pub(crate) fn exists_rc1(mut base: PathBuf) -> bool {
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base.push(SLED_0320_RC1);
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std::fs::metadata(base).is_ok()
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}
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pub(crate) fn open_rc1(mut base: PathBuf) -> Result<sled032::Db, UploadError> {
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base.push(SLED_0320_RC1);
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Ok(sled032::open(base)?)
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}
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pub(crate) fn exists(mut base: PathBuf) -> bool {
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base.push("sled");
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base.push(SLED_032);
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std::fs::metadata(base).is_ok()
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}
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pub(crate) fn open(mut base: PathBuf) -> Result<sled032::Db, UploadError> {
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base.push("sled");
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base.push(SLED_032);
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Ok(sled032::open(base)?)
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}
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impl SledDb for sled032::Db {
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type SledTree = sled032::Tree;
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fn open_tree(&self, name: &str) -> Result<Self::SledTree, UploadError> {
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Ok(sled032::Db::open_tree(self, name)?)
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}
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fn self_tree(&self) -> &Self::SledTree {
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&*self
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}
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}
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impl SledTree for sled032::Tree {
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fn get<K>(&self, key: K) -> Result<Option<Vec<u8>>, UploadError>
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where
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K: AsRef<[u8]>,
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{
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Ok(sled032::Tree::get(self, key)?.map(|v| Vec::from(v.as_ref())))
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}
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fn insert<K, V>(&self, key: K, value: V) -> Result<(), UploadError>
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where
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K: AsRef<[u8]>,
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V: AsRef<[u8]>,
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{
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Ok(sled032::Tree::insert(self, key, value.as_ref().to_vec()).map(|_| ())?)
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}
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fn iter(&self) -> SledIter {
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Box::new(sled032::Tree::iter(self).map(|res| {
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res.map(|(k, v)| (k.as_ref().to_vec(), v.as_ref().to_vec()))
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.map_err(UploadError::from)
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}))
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}
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fn range<K, R>(&self, range: R) -> SledIter
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where
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K: AsRef<[u8]>,
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R: std::ops::RangeBounds<K>,
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{
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Box::new(sled032::Tree::range(self, range).map(|res| {
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res.map(|(k, v)| (k.as_ref().to_vec(), v.as_ref().to_vec()))
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.map_err(UploadError::from)
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}))
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}
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}
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69
src/migrate/s034.rs
Normal file
69
src/migrate/s034.rs
Normal file
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@ -0,0 +1,69 @@
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use crate::{
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migrate::{SledDb, SledIter, SledTree},
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UploadError,
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};
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use sled as sled034;
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use std::path::PathBuf;
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const SLED_034: &str = "db-0.34";
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pub(crate) fn exists(mut base: PathBuf) -> bool {
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base.push("sled");
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base.push(SLED_034);
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std::fs::metadata(base).is_ok()
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}
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pub(crate) fn open(mut base: PathBuf) -> Result<sled034::Db, UploadError> {
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base.push("sled");
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base.push(SLED_034);
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Ok(sled034::open(base)?)
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}
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impl SledDb for sled034::Db {
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type SledTree = sled034::Tree;
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fn open_tree(&self, name: &str) -> Result<Self::SledTree, UploadError> {
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Ok(sled034::Db::open_tree(self, name)?)
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}
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fn self_tree(&self) -> &Self::SledTree {
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&*self
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}
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}
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impl SledTree for sled034::Tree {
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fn get<K>(&self, key: K) -> Result<Option<Vec<u8>>, UploadError>
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where
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K: AsRef<[u8]>,
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{
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Ok(sled034::Tree::get(self, key)?.map(|v| Vec::from(v.as_ref())))
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}
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fn insert<K, V>(&self, key: K, value: V) -> Result<(), UploadError>
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where
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K: AsRef<[u8]>,
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V: AsRef<[u8]>,
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{
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Ok(sled034::Tree::insert(self, key, value.as_ref().to_vec()).map(|_| ())?)
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}
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fn iter(&self) -> SledIter {
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Box::new(sled034::Tree::iter(self).map(|res| {
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res.map(|(k, v)| (k.as_ref().to_vec(), v.as_ref().to_vec()))
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.map_err(UploadError::from)
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}))
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}
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fn range<K, R>(&self, range: R) -> SledIter
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where
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K: AsRef<[u8]>,
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R: std::ops::RangeBounds<K>,
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{
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Box::new(sled034::Tree::range(self, range).map(|res| {
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res.map(|(k, v)| (k.as_ref().to_vec(), v.as_ref().to_vec()))
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.map_err(UploadError::from)
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}))
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}
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}
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@ -22,6 +22,7 @@ struct UploadManagerInner {
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image_dir: PathBuf,
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alias_tree: sled::Tree,
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filename_tree: sled::Tree,
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main_tree: sled::Tree,
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db: sled::Db,
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}
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@ -106,6 +107,7 @@ impl UploadManager {
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image_dir: root_dir,
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alias_tree: db.open_tree("alias")?,
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filename_tree: db.open_tree("filename")?,
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main_tree: db.open_tree("main")?,
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db,
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}),
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})
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@ -127,9 +129,9 @@ impl UploadManager {
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.ok_or(UploadError::MissingFilename)?;
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let key = variant_key(&hash, &path_string);
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let db = self.inner.db.clone();
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let main_tree = self.inner.main_tree.clone();
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debug!("Storing variant");
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web::block(move || db.insert(key, path_string.as_bytes())).await?;
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web::block(move || main_tree.insert(key, path_string.as_bytes())).await?;
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debug!("Stored variant");
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Ok(())
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@ -160,9 +162,13 @@ impl UploadManager {
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async fn aliases_by_hash(&self, hash: &sled::IVec) -> Result<Vec<String>, UploadError> {
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let (start, end) = alias_key_bounds(hash);
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let db = self.inner.db.clone();
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let aliases =
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web::block(move || db.range(start..end).values().collect::<Result<Vec<_>, _>>())
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let main_tree = self.inner.main_tree.clone();
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let aliases = web::block(move || {
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main_tree
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.range(start..end)
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.values()
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.collect::<Result<Vec<_>, _>>()
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})
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.await?;
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debug!("Got {} aliases for hash", aliases.len());
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@ -193,15 +199,15 @@ impl UploadManager {
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#[instrument(skip(self, alias, token))]
|
||||
pub(crate) async fn delete(&self, alias: String, token: String) -> Result<(), UploadError> {
|
||||
use sled::Transactional;
|
||||
let db = self.inner.db.clone();
|
||||
let main_tree = self.inner.main_tree.clone();
|
||||
let alias_tree = self.inner.alias_tree.clone();
|
||||
|
||||
let span = Span::current();
|
||||
let alias2 = alias.clone();
|
||||
let hash = web::block(move || {
|
||||
[&*db, &alias_tree].transaction(|v| {
|
||||
[&main_tree, &alias_tree].transaction(|v| {
|
||||
let entered = span.enter();
|
||||
let db = &v[0];
|
||||
let main_tree = &v[0];
|
||||
let alias_tree = &v[1];
|
||||
|
||||
// -- GET TOKEN --
|
||||
|
|
@ -231,7 +237,7 @@ impl UploadManager {
|
|||
|
||||
// -- REMOVE HASH TREE ELEMENT --
|
||||
debug!("Deleting hash -> alias mapping");
|
||||
db.remove(alias_key(&hash, &id))?;
|
||||
main_tree.remove(alias_key(&hash, &id))?;
|
||||
drop(entered);
|
||||
Ok(hash)
|
||||
})
|
||||
|
|
@ -239,11 +245,11 @@ impl UploadManager {
|
|||
.await?;
|
||||
|
||||
// -- CHECK IF ANY OTHER ALIASES EXIST --
|
||||
let db = self.inner.db.clone();
|
||||
let main_tree = self.inner.main_tree.clone();
|
||||
let (start, end) = alias_key_bounds(&hash);
|
||||
debug!("Checking for additional aliases referencing hash");
|
||||
let any_aliases = web::block(move || {
|
||||
Ok(db.range(start..end).next().is_some()) as Result<bool, UploadError>
|
||||
Ok(main_tree.range(start..end).next().is_some()) as Result<bool, UploadError>
|
||||
})
|
||||
.await?;
|
||||
|
||||
|
|
@ -254,10 +260,10 @@ impl UploadManager {
|
|||
}
|
||||
|
||||
// -- DELETE HASH ENTRY --
|
||||
let db = self.inner.db.clone();
|
||||
let main_tree = self.inner.main_tree.clone();
|
||||
let hash2 = hash.clone();
|
||||
debug!("Deleting hash -> filename mapping");
|
||||
let filename = web::block(move || db.remove(&hash2))
|
||||
let filename = web::block(move || main_tree.remove(&hash2))
|
||||
.await?
|
||||
.ok_or(UploadError::MissingFile)?;
|
||||
|
||||
|
|
@ -403,9 +409,9 @@ impl UploadManager {
|
|||
.await?
|
||||
.ok_or(UploadError::MissingAlias)?;
|
||||
|
||||
let db = self.inner.db.clone();
|
||||
let main_tree = self.inner.main_tree.clone();
|
||||
debug!("Getting filename from hash");
|
||||
let filename = web::block(move || db.get(hash))
|
||||
let filename = web::block(move || main_tree.get(hash))
|
||||
.await?
|
||||
.ok_or(UploadError::MissingFile)?;
|
||||
|
||||
|
|
@ -435,11 +441,11 @@ impl UploadManager {
|
|||
.ok_or(UploadError::MissingFile)?;
|
||||
|
||||
let (start, end) = variant_key_bounds(&hash);
|
||||
let db = self.inner.db.clone();
|
||||
let main_tree = self.inner.main_tree.clone();
|
||||
debug!("Fetching file variants");
|
||||
let keys = web::block(move || {
|
||||
let mut keys = Vec::new();
|
||||
for key in db.range(start..end).keys() {
|
||||
for key in main_tree.range(start..end).keys() {
|
||||
keys.push(key?.to_owned());
|
||||
}
|
||||
|
||||
|
|
@ -450,8 +456,8 @@ impl UploadManager {
|
|||
debug!("{} files prepared for deletion", keys.len());
|
||||
|
||||
for key in keys {
|
||||
let db = self.inner.db.clone();
|
||||
if let Some(path) = web::block(move || db.remove(key)).await? {
|
||||
let main_tree = self.inner.main_tree.clone();
|
||||
if let Some(path) = web::block(move || main_tree.remove(key)).await? {
|
||||
debug!("Deleting {:?}", String::from_utf8(path.to_vec()));
|
||||
if let Err(e) = remove_path(path).await {
|
||||
errors.push(e);
|
||||
|
|
@ -518,14 +524,14 @@ impl UploadManager {
|
|||
hash: Hash,
|
||||
content_type: mime::Mime,
|
||||
) -> Result<(Dup, String), UploadError> {
|
||||
let db = self.inner.db.clone();
|
||||
let main_tree = self.inner.main_tree.clone();
|
||||
|
||||
let filename = self.next_file(content_type).await?;
|
||||
let filename2 = filename.clone();
|
||||
let hash2 = hash.inner.clone();
|
||||
debug!("Inserting filename for hash");
|
||||
let res = web::block(move || {
|
||||
db.compare_and_swap(
|
||||
main_tree.compare_and_swap(
|
||||
hash2,
|
||||
None as Option<sled::IVec>,
|
||||
Some(filename2.as_bytes()),
|
||||
|
|
@ -618,11 +624,11 @@ impl UploadManager {
|
|||
let id = web::block(move || db.generate_id()).await?.to_string();
|
||||
|
||||
let key = alias_key(&hash.inner, &id);
|
||||
let db = self.inner.db.clone();
|
||||
let main_tree = self.inner.main_tree.clone();
|
||||
let alias2 = alias.clone();
|
||||
debug!("Saving hash/id -> alias mapping");
|
||||
let res = web::block(move || {
|
||||
db.compare_and_swap(key, None as Option<sled::IVec>, Some(alias2.as_bytes()))
|
||||
main_tree.compare_and_swap(key, None as Option<sled::IVec>, Some(alias2.as_bytes()))
|
||||
})
|
||||
.await?;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue