mirror of https://gitlab.com/famedly/conduit
Merged current next
Torsten Flammiger
2 years ago
commit
960ba8bd99
File diff suppressed because it is too large
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@ -1 +0,0 @@
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1.53
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@ -1,32 +1,47 @@
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use crate::{utils, ConduitResult};
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use ruma::api::client::r0::filter::{self, create_filter, get_filter};
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use crate::{database::DatabaseGuard, ConduitResult, Error, Ruma};
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use ruma::api::client::{
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error::ErrorKind,
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r0::filter::{create_filter, get_filter},
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};
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#[cfg(feature = "conduit_bin")]
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use rocket::{get, post};
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/// # `GET /_matrix/client/r0/user/{userId}/filter/{filterId}`
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///
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/// TODO: Loads a filter that was previously created.
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#[cfg_attr(feature = "conduit_bin", get("/_matrix/client/r0/user/<_>/filter/<_>"))]
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#[tracing::instrument]
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pub async fn get_filter_route() -> ConduitResult<get_filter::Response> {
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// TODO
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Ok(get_filter::Response::new(filter::IncomingFilterDefinition {
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event_fields: None,
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event_format: filter::EventFormat::default(),
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account_data: filter::IncomingFilter::default(),
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room: filter::IncomingRoomFilter::default(),
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presence: filter::IncomingFilter::default(),
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})
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.into())
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/// Loads a filter that was previously created.
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///
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/// - A user can only access their own filters
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#[cfg_attr(
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feature = "conduit_bin",
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get("/_matrix/client/r0/user/<_>/filter/<_>", data = "<body>")
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)]
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#[tracing::instrument(skip(db, body))]
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pub async fn get_filter_route(
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db: DatabaseGuard,
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body: Ruma<get_filter::Request<'_>>,
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) -> ConduitResult<get_filter::Response> {
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let sender_user = body.sender_user.as_ref().expect("user is authenticated");
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let filter = match db.users.get_filter(sender_user, &body.filter_id)? {
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Some(filter) => filter,
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None => return Err(Error::BadRequest(ErrorKind::NotFound, "Filter not found.")),
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};
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Ok(get_filter::Response::new(filter).into())
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}
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/// # `PUT /_matrix/client/r0/user/{userId}/filter`
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///
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/// TODO: Creates a new filter to be used by other endpoints.
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#[cfg_attr(feature = "conduit_bin", post("/_matrix/client/r0/user/<_>/filter"))]
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#[tracing::instrument]
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pub async fn create_filter_route() -> ConduitResult<create_filter::Response> {
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// TODO
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Ok(create_filter::Response::new(utils::random_string(10)).into())
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/// Creates a new filter to be used by other endpoints.
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#[cfg_attr(
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feature = "conduit_bin",
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post("/_matrix/client/r0/user/<_>/filter", data = "<body>")
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)]
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#[tracing::instrument(skip(db, body))]
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pub async fn create_filter_route(
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db: DatabaseGuard,
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body: Ruma<create_filter::Request<'_>>,
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) -> ConduitResult<create_filter::Response> {
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let sender_user = body.sender_user.as_ref().expect("user is authenticated");
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Ok(create_filter::Response::new(db.users.create_filter(sender_user, &body.filter)?).into())
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}
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@ -0,0 +1,231 @@
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use super::{super::Config, watchers::Watchers, DatabaseEngine, Tree};
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use crate::{utils, Result};
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use std::{future::Future, pin::Pin, sync::Arc, sync::RwLock};
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pub struct Engine {
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rocks: rocksdb::DBWithThreadMode<rocksdb::MultiThreaded>,
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max_open_files: i32,
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cache: rocksdb::Cache,
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old_cfs: Vec<String>,
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}
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pub struct RocksDbEngineTree<'a> {
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db: Arc<Engine>,
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name: &'a str,
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watchers: Watchers,
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write_lock: RwLock<()>,
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}
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fn db_options(max_open_files: i32, rocksdb_cache: &rocksdb::Cache) -> rocksdb::Options {
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let mut block_based_options = rocksdb::BlockBasedOptions::default();
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block_based_options.set_block_cache(rocksdb_cache);
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// "Difference of spinning disk"
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// https://zhangyuchi.gitbooks.io/rocksdbbook/content/RocksDB-Tuning-Guide.html
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block_based_options.set_block_size(4 * 1024);
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block_based_options.set_cache_index_and_filter_blocks(true);
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let mut db_opts = rocksdb::Options::default();
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db_opts.set_block_based_table_factory(&block_based_options);
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db_opts.set_optimize_filters_for_hits(true);
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db_opts.set_skip_stats_update_on_db_open(true);
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db_opts.set_level_compaction_dynamic_level_bytes(true);
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db_opts.set_target_file_size_base(256 * 1024 * 1024);
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//db_opts.set_compaction_readahead_size(2 * 1024 * 1024);
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//db_opts.set_use_direct_reads(true);
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//db_opts.set_use_direct_io_for_flush_and_compaction(true);
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db_opts.create_if_missing(true);
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db_opts.increase_parallelism(num_cpus::get() as i32);
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db_opts.set_max_open_files(max_open_files);
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db_opts.set_compression_type(rocksdb::DBCompressionType::Zstd);
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db_opts.set_compaction_style(rocksdb::DBCompactionStyle::Level);
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db_opts.optimize_level_style_compaction(10 * 1024 * 1024);
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let prefix_extractor = rocksdb::SliceTransform::create_fixed_prefix(1);
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db_opts.set_prefix_extractor(prefix_extractor);
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db_opts
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}
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impl DatabaseEngine for Arc<Engine> {
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fn open(config: &Config) -> Result<Self> {
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let cache_capacity_bytes = (config.db_cache_capacity_mb * 1024.0 * 1024.0) as usize;
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let rocksdb_cache = rocksdb::Cache::new_lru_cache(cache_capacity_bytes).unwrap();
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let db_opts = db_options(config.rocksdb_max_open_files, &rocksdb_cache);
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let cfs = rocksdb::DBWithThreadMode::<rocksdb::MultiThreaded>::list_cf(
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&db_opts,
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&config.database_path,
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)
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.unwrap_or_default();
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let db = rocksdb::DBWithThreadMode::<rocksdb::MultiThreaded>::open_cf_descriptors(
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&db_opts,
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&config.database_path,
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cfs.iter().map(|name| {
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rocksdb::ColumnFamilyDescriptor::new(
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name,
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db_options(config.rocksdb_max_open_files, &rocksdb_cache),
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)
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}),
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)?;
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Ok(Arc::new(Engine {
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rocks: db,
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max_open_files: config.rocksdb_max_open_files,
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cache: rocksdb_cache,
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old_cfs: cfs,
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}))
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}
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fn open_tree(&self, name: &'static str) -> Result<Arc<dyn Tree>> {
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if !self.old_cfs.contains(&name.to_owned()) {
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// Create if it didn't exist
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let _ = self
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.rocks
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.create_cf(name, &db_options(self.max_open_files, &self.cache));
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}
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Ok(Arc::new(RocksDbEngineTree {
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name,
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db: Arc::clone(self),
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watchers: Watchers::default(),
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write_lock: RwLock::new(()),
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}))
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}
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fn flush(&self) -> Result<()> {
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// TODO?
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Ok(())
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}
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fn memory_usage(&self) -> Result<String> {
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let stats =
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rocksdb::perf::get_memory_usage_stats(Some(&[&self.rocks]), Some(&[&self.cache]))?;
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Ok(format!(
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"Approximate memory usage of all the mem-tables: {:.3} MB\n\
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Approximate memory usage of un-flushed mem-tables: {:.3} MB\n\
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Approximate memory usage of all the table readers: {:.3} MB\n\
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Approximate memory usage by cache: {:.3} MB\n\
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Approximate memory usage by cache pinned: {:.3} MB\n\
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",
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stats.mem_table_total as f64 / 1024.0 / 1024.0,
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stats.mem_table_unflushed as f64 / 1024.0 / 1024.0,
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stats.mem_table_readers_total as f64 / 1024.0 / 1024.0,
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stats.cache_total as f64 / 1024.0 / 1024.0,
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self.cache.get_pinned_usage() as f64 / 1024.0 / 1024.0,
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))
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}
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}
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impl RocksDbEngineTree<'_> {
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fn cf(&self) -> Arc<rocksdb::BoundColumnFamily<'_>> {
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self.db.rocks.cf_handle(self.name).unwrap()
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}
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}
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impl Tree for RocksDbEngineTree<'_> {
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fn get(&self, key: &[u8]) -> Result<Option<Vec<u8>>> {
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Ok(self.db.rocks.get_cf(&self.cf(), key)?)
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}
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fn insert(&self, key: &[u8], value: &[u8]) -> Result<()> {
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let lock = self.write_lock.read().unwrap();
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self.db.rocks.put_cf(&self.cf(), key, value)?;
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drop(lock);
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self.watchers.wake(key);
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Ok(())
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}
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fn insert_batch<'a>(&self, iter: &mut dyn Iterator<Item = (Vec<u8>, Vec<u8>)>) -> Result<()> {
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for (key, value) in iter {
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self.db.rocks.put_cf(&self.cf(), key, value)?;
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}
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Ok(())
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}
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fn remove(&self, key: &[u8]) -> Result<()> {
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Ok(self.db.rocks.delete_cf(&self.cf(), key)?)
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}
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fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (Vec<u8>, Vec<u8>)> + 'a> {
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Box::new(
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self.db
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.rocks
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.iterator_cf(&self.cf(), rocksdb::IteratorMode::Start)
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.map(|(k, v)| (Vec::from(k), Vec::from(v))),
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)
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}
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fn iter_from<'a>(
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&'a self,
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from: &[u8],
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backwards: bool,
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) -> Box<dyn Iterator<Item = (Vec<u8>, Vec<u8>)> + 'a> {
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Box::new(
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self.db
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.rocks
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.iterator_cf(
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&self.cf(),
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rocksdb::IteratorMode::From(
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from,
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if backwards {
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rocksdb::Direction::Reverse
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} else {
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rocksdb::Direction::Forward
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},
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),
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)
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.map(|(k, v)| (Vec::from(k), Vec::from(v))),
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)
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}
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fn increment(&self, key: &[u8]) -> Result<Vec<u8>> {
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let lock = self.write_lock.write().unwrap();
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let old = self.db.rocks.get_cf(&self.cf(), &key)?;
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let new = utils::increment(old.as_deref()).unwrap();
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self.db.rocks.put_cf(&self.cf(), key, &new)?;
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drop(lock);
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Ok(new)
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}
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fn increment_batch<'a>(&self, iter: &mut dyn Iterator<Item = Vec<u8>>) -> Result<()> {
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let lock = self.write_lock.write().unwrap();
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for key in iter {
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let old = self.db.rocks.get_cf(&self.cf(), &key)?;
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let new = utils::increment(old.as_deref()).unwrap();
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self.db.rocks.put_cf(&self.cf(), key, new)?;
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}
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drop(lock);
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Ok(())
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}
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fn scan_prefix<'a>(
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&'a self,
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prefix: Vec<u8>,
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) -> Box<dyn Iterator<Item = (Vec<u8>, Vec<u8>)> + 'a> {
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Box::new(
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self.db
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.rocks
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.iterator_cf(
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&self.cf(),
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rocksdb::IteratorMode::From(&prefix, rocksdb::Direction::Forward),
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)
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.map(|(k, v)| (Vec::from(k), Vec::from(v)))
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.take_while(move |(k, _)| k.starts_with(&prefix)),
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)
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}
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fn watch_prefix<'a>(&'a self, prefix: &[u8]) -> Pin<Box<dyn Future<Output = ()> + Send + 'a>> {
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self.watchers.watch(prefix)
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}
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}
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@ -0,0 +1,54 @@
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use std::{
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collections::{hash_map, HashMap},
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future::Future,
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pin::Pin,
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sync::RwLock,
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};
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use tokio::sync::watch;
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#[derive(Default)]
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pub(super) struct Watchers {
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watchers: RwLock<HashMap<Vec<u8>, (watch::Sender<()>, watch::Receiver<()>)>>,
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}
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impl Watchers {
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pub(super) fn watch<'a>(
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&'a self,
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prefix: &[u8],
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) -> Pin<Box<dyn Future<Output = ()> + Send + 'a>> {
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let mut rx = match self.watchers.write().unwrap().entry(prefix.to_vec()) {
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hash_map::Entry::Occupied(o) => o.get().1.clone(),
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hash_map::Entry::Vacant(v) => {
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let (tx, rx) = tokio::sync::watch::channel(());
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v.insert((tx, rx.clone()));
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rx
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}
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};
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Box::pin(async move {
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// Tx is never destroyed
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rx.changed().await.unwrap();
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})
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}
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pub(super) fn wake(&self, key: &[u8]) {
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let watchers = self.watchers.read().unwrap();
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let mut triggered = Vec::new();
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for length in 0..=key.len() {
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if watchers.contains_key(&key[..length]) {
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triggered.push(&key[..length]);
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}
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}
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drop(watchers);
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if !triggered.is_empty() {
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let mut watchers = self.watchers.write().unwrap();
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for prefix in triggered {
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if let Some(tx) = watchers.remove(prefix) {
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let _ = tx.0.send(());
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}
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}
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};
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}
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}
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Reference in New Issue