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feat: heed db backend (LMDB)

This commit is contained in:
Timo Kösters 2021-07-29 20:17:47 +02:00
parent c209775abd
commit 5c776e9ba7
No known key found for this signature in database
GPG key ID: 24DA7517711A2BA4
9 changed files with 456 additions and 97 deletions

163
Cargo.lock generated
View file

@ -135,6 +135,15 @@ version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "383d29d513d8764dcdc42ea295d979eb99c3c9f00607b3692cf68a431f7dca72"
[[package]]
name = "bincode"
version = "1.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
dependencies = [
"serde",
]
[[package]]
name = "bindgen"
version = "0.59.1"
@ -234,6 +243,12 @@ dependencies = [
"nom",
]
[[package]]
name = "cfg-if"
version = "0.1.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
[[package]]
name = "cfg-if"
version = "1.0.0"
@ -278,6 +293,7 @@ dependencies = [
"bytes",
"crossbeam",
"directories",
"heed",
"http",
"image",
"jsonwebtoken",
@ -379,7 +395,7 @@ version = "1.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "81156fece84ab6a9f2afdb109ce3ae577e42b1228441eded99bd77f627953b1a"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
]
[[package]]
@ -388,12 +404,12 @@ version = "0.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4ae5588f6b3c3cb05239e90bd110f257254aecd01e4635400391aeae07497845"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"crossbeam-channel",
"crossbeam-deque",
"crossbeam-epoch",
"crossbeam-queue",
"crossbeam-utils",
"crossbeam-queue 0.3.2",
"crossbeam-utils 0.8.5",
]
[[package]]
@ -402,8 +418,8 @@ version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "06ed27e177f16d65f0f0c22a213e17c696ace5dd64b14258b52f9417ccb52db4"
dependencies = [
"cfg-if",
"crossbeam-utils",
"cfg-if 1.0.0",
"crossbeam-utils 0.8.5",
]
[[package]]
@ -412,9 +428,9 @@ version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "94af6efb46fef72616855b036a624cf27ba656ffc9be1b9a3c931cfc7749a9a9"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"crossbeam-epoch",
"crossbeam-utils",
"crossbeam-utils 0.8.5",
]
[[package]]
@ -423,21 +439,40 @@ version = "0.9.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4ec02e091aa634e2c3ada4a392989e7c3116673ef0ac5b72232439094d73b7fd"
dependencies = [
"cfg-if",
"crossbeam-utils",
"cfg-if 1.0.0",
"crossbeam-utils 0.8.5",
"lazy_static",
"memoffset",
"scopeguard",
]
[[package]]
name = "crossbeam-queue"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
dependencies = [
"crossbeam-utils 0.6.6",
]
[[package]]
name = "crossbeam-queue"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b10ddc024425c88c2ad148c1b0fd53f4c6d38db9697c9f1588381212fa657c9"
dependencies = [
"cfg-if",
"crossbeam-utils",
"cfg-if 1.0.0",
"crossbeam-utils 0.8.5",
]
[[package]]
name = "crossbeam-utils"
version = "0.6.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
dependencies = [
"cfg-if 0.1.10",
"lazy_static",
]
[[package]]
@ -446,7 +481,7 @@ version = "0.8.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"lazy_static",
]
@ -610,7 +645,7 @@ version = "0.8.28"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "80df024fbc5ac80f87dfef0d9f5209a252f2a497f7f42944cff24d8253cac065"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
]
[[package]]
@ -828,7 +863,7 @@ version = "0.1.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"libc",
"wasi 0.9.0+wasi-snapshot-preview1",
]
@ -839,7 +874,7 @@ version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"libc",
"wasi 0.10.2+wasi-snapshot-preview1",
]
@ -906,6 +941,42 @@ dependencies = [
"unicode-segmentation",
]
[[package]]
name = "heed"
version = "0.10.6"
source = "git+https://github.com/Kerollmops/heed.git?rev=b235e9c3e9984737c967b5de1014b48f125dc28b#b235e9c3e9984737c967b5de1014b48f125dc28b"
dependencies = [
"bytemuck",
"byteorder",
"heed-traits",
"heed-types",
"libc",
"lmdb-rkv-sys",
"once_cell",
"page_size",
"serde",
"synchronoise",
"url",
]
[[package]]
name = "heed-traits"
version = "0.7.0"
source = "git+https://github.com/Kerollmops/heed.git?rev=b235e9c3e9984737c967b5de1014b48f125dc28b#b235e9c3e9984737c967b5de1014b48f125dc28b"
[[package]]
name = "heed-types"
version = "0.7.2"
source = "git+https://github.com/Kerollmops/heed.git?rev=b235e9c3e9984737c967b5de1014b48f125dc28b#b235e9c3e9984737c967b5de1014b48f125dc28b"
dependencies = [
"bincode",
"bytemuck",
"byteorder",
"heed-traits",
"serde",
"serde_json",
]
[[package]]
name = "hermit-abi"
version = "0.1.19"
@ -1068,7 +1139,7 @@ version = "0.1.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bee0328b1209d157ef001c94dd85b4f8f64139adb0eac2659f4b08382b2f474d"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
]
[[package]]
@ -1190,7 +1261,7 @@ version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6f84d96438c15fcd6c3f244c8fce01d1e2b9c6b5623e9c711dc9286d8fc92d6a"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"winapi",
]
@ -1223,6 +1294,17 @@ version = "0.5.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
[[package]]
name = "lmdb-rkv-sys"
version = "0.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b27470ac25167b3afdfb6af8fcd3bc1be67de50ffbdaf4073378cfded6ae24a5"
dependencies = [
"cc",
"libc",
"pkg-config",
]
[[package]]
name = "lock_api"
version = "0.4.4"
@ -1238,7 +1320,7 @@ version = "0.4.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
]
[[package]]
@ -1247,7 +1329,7 @@ version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2111607c723d7857e0d8299d5ce7a0bf4b844d3e44f8de136b13da513eaf8fc4"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"generator",
"scoped-tls",
"serde",
@ -1503,6 +1585,16 @@ dependencies = [
"num-traits",
]
[[package]]
name = "page_size"
version = "0.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eebde548fbbf1ea81a99b128872779c437752fb99f217c45245e1a61dcd9edcd"
dependencies = [
"libc",
"winapi",
]
[[package]]
name = "parking_lot"
version = "0.11.1"
@ -1520,7 +1612,7 @@ version = "0.8.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fa7a782938e745763fe6907fc6ba86946d72f49fe7e21de074e08128a99fb018"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"instant",
"libc",
"redox_syscall",
@ -2320,7 +2412,7 @@ dependencies = [
"base64 0.13.0",
"blake2b_simd",
"constant_time_eq",
"crossbeam-utils",
"crossbeam-utils 0.8.5",
]
[[package]]
@ -2540,7 +2632,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b362ae5752fd2137731f9fa25fd4d9058af34666ca1966fb969119cc35719f12"
dependencies = [
"block-buffer",
"cfg-if",
"cfg-if 1.0.0",
"cpufeatures",
"digest",
"opaque-debug",
@ -2601,7 +2693,7 @@ checksum = "1d0132f3e393bcb7390c60bb45769498cf4550bcb7a21d7f95c02b69f6362cdc"
dependencies = [
"crc32fast",
"crossbeam-epoch",
"crossbeam-utils",
"crossbeam-utils 0.8.5",
"fs2",
"fxhash",
"libc",
@ -2622,7 +2714,7 @@ version = "0.3.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "122e570113d28d773067fab24266b66753f6ea915758651696b6e35e49f88d6e"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"libc",
"winapi",
]
@ -2751,6 +2843,15 @@ dependencies = [
"unicode-xid",
]
[[package]]
name = "synchronoise"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d717ed0efc9d39ab3b642a096bc369a3e02a38a51c41845d7fe31bdad1d6eaeb"
dependencies = [
"crossbeam-queue 0.1.2",
]
[[package]]
name = "synstructure"
version = "0.12.5"
@ -2775,7 +2876,7 @@ version = "3.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"libc",
"rand 0.8.4",
"redox_syscall",
@ -3005,7 +3106,7 @@ version = "0.1.26"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "09adeb8c97449311ccd28a427f96fb563e7fd31aabf994189879d9da2394b89d"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"pin-project-lite",
"tracing-attributes",
"tracing-core",
@ -3105,7 +3206,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ad0d7f5db438199a6e2609debe3f69f808d074e0a2888ee0bccb45fe234d03f4"
dependencies = [
"async-trait",
"cfg-if",
"cfg-if 1.0.0",
"data-encoding",
"enum-as-inner",
"futures-channel",
@ -3129,7 +3230,7 @@ version = "0.20.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f6ad17b608a64bd0735e67bde16b0636f8aa8591f831a25d18443ed00a699770"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"futures-util",
"ipconfig",
"lazy_static",
@ -3290,7 +3391,7 @@ version = "0.2.74"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d54ee1d4ed486f78874278e63e4069fc1ab9f6a18ca492076ffb90c5eb2997fd"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"serde",
"serde_json",
"wasm-bindgen-macro",
@ -3317,7 +3418,7 @@ version = "0.4.24"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5fba7978c679d53ce2d0ac80c8c175840feb849a161664365d1287b41f2e67f1"
dependencies = [
"cfg-if",
"cfg-if 1.0.0",
"js-sys",
"wasm-bindgen",
"web-sys",

View file

@ -79,12 +79,14 @@ parking_lot = { version = "0.11.1", optional = true }
crossbeam = { version = "0.8.1", optional = true }
num_cpus = "1.13.0"
threadpool = "1.8.1"
heed = { git = "https://github.com/Kerollmops/heed.git", rev = "b235e9c3e9984737c967b5de1014b48f125dc28b", optional = true }
[features]
default = ["conduit_bin", "backend_sqlite"]
default = ["conduit_bin", "backend_heed"]
backend_sled = ["sled"]
backend_rocksdb = ["rocksdb"]
backend_sqlite = ["sqlite"]
backend_heed = ["heed", "crossbeam"]
sqlite = ["rusqlite", "parking_lot", "crossbeam", "tokio/signal"]
conduit_bin = [] # TODO: add rocket to this when it is optional

View file

@ -47,7 +47,7 @@ pub async fn send_event_to_device_route(
db.sending.send_reliable_edu(
target_user_id.server_name(),
&serde_json::to_vec(&federation::transactions::edu::Edu::DirectToDevice(
serde_json::to_vec(&federation::transactions::edu::Edu::DirectToDevice(
DirectDeviceContent {
sender: sender_user.clone(),
ev_type: EventType::from(&body.event_type),

View file

@ -156,6 +156,9 @@ pub type Engine = abstraction::rocksdb::Engine;
#[cfg(feature = "sqlite")]
pub type Engine = abstraction::sqlite::Engine;
#[cfg(feature = "heed")]
pub type Engine = abstraction::heed::Engine;
pub struct Database {
_db: Arc<Engine>,
pub globals: globals::Globals,
@ -188,24 +191,20 @@ impl Database {
fn check_sled_or_sqlite_db(config: &Config) -> Result<()> {
let path = Path::new(&config.database_path);
#[cfg(feature = "backend_sqlite")]
{
let sled_exists = path.join("db").exists();
let sqlite_exists = path.join("conduit.db").exists();
if sled_exists {
if sqlite_exists {
// most likely an in-place directory, only warn
warn!("Both sled and sqlite databases are detected in database directory");
warn!("Currently running from the sqlite database, but consider removing sled database files to free up space")
} else {
error!(
"Sled database detected, conduit now uses sqlite for database operations"
);
error!("This database must be converted to sqlite, go to https://github.com/ShadowJonathan/conduit_toolbox#conduit_sled_to_sqlite");
return Err(Error::bad_config(
"sled database detected, migrate to sqlite",
));
}
let sled_exists = path.join("db").exists();
let sqlite_exists = path.join("conduit.db").exists();
// TODO: heed
if sled_exists {
if sqlite_exists {
// most likely an in-place directory, only warn
warn!("Both sled and sqlite databases are detected in database directory");
warn!("Currently running from the sqlite database, but consider removing sled database files to free up space")
} else {
error!("Sled database detected, conduit now uses sqlite for database operations");
error!("This database must be converted to sqlite, go to https://github.com/ShadowJonathan/conduit_toolbox#conduit_sled_to_sqlite");
return Err(Error::bad_config(
"sled database detected, migrate to sqlite",
));
}
}
@ -313,8 +312,8 @@ impl Database {
},
sending: sending::Sending {
servername_educount: builder.open_tree("servername_educount")?,
servernamepduids: builder.open_tree("servernamepduids")?,
servercurrentevents: builder.open_tree("servercurrentevents")?,
servernameevent_data: builder.open_tree("servernameevent_data")?,
servercurrentevent_data: builder.open_tree("servercurrentevent_data")?,
maximum_requests: Arc::new(Semaphore::new(config.max_concurrent_requests as usize)),
sender: sending_sender,
},

View file

@ -12,6 +12,9 @@ pub mod sled;
#[cfg(feature = "sqlite")]
pub mod sqlite;
#[cfg(feature = "heed")]
pub mod heed;
pub trait DatabaseEngine: Sized {
fn open(config: &Config) -> Result<Arc<Self>>;
fn open_tree(self: &Arc<Self>, name: &'static str) -> Result<Arc<dyn Tree>>;

View file

@ -0,0 +1,241 @@
use super::super::Config;
use crossbeam::channel::{bounded, Sender as ChannelSender};
use threadpool::ThreadPool;
use crate::{Error, Result};
use std::{
collections::HashMap,
future::Future,
pin::Pin,
sync::{Arc, Mutex, RwLock},
};
use tokio::sync::oneshot::Sender;
use super::{DatabaseEngine, Tree};
type TupleOfBytes = (Vec<u8>, Vec<u8>);
pub struct Engine {
env: heed::Env,
iter_pool: Mutex<ThreadPool>,
}
pub struct EngineTree {
engine: Arc<Engine>,
tree: Arc<heed::UntypedDatabase>,
watchers: RwLock<HashMap<Vec<u8>, Vec<Sender<()>>>>,
}
fn convert_error(error: heed::Error) -> Error {
panic!(error.to_string());
Error::HeedError {
error: error.to_string(),
}
}
impl DatabaseEngine for Engine {
fn open(config: &Config) -> Result<Arc<Self>> {
let mut env_builder = heed::EnvOpenOptions::new();
env_builder.map_size(1024 * 1024 * 1024 * 1024); // 1 Terabyte
env_builder.max_readers(126);
env_builder.max_dbs(128);
unsafe {
env_builder.flag(heed::flags::Flags::MdbNoSync);
env_builder.flag(heed::flags::Flags::MdbNoMetaSync);
}
Ok(Arc::new(Engine {
env: env_builder
.open(&config.database_path)
.map_err(convert_error)?,
iter_pool: Mutex::new(ThreadPool::new(10)),
}))
}
fn open_tree(self: &Arc<Self>, name: &'static str) -> Result<Arc<dyn Tree>> {
// Creates the db if it doesn't exist already
Ok(Arc::new(EngineTree {
engine: Arc::clone(self),
tree: Arc::new(
self.env
.create_database(Some(name))
.map_err(convert_error)?,
),
watchers: RwLock::new(HashMap::new()),
}))
}
fn flush(self: &Arc<Self>) -> Result<()> {
self.env.force_sync().map_err(convert_error)?;
Ok(())
}
}
impl EngineTree {
#[tracing::instrument(skip(self, tree, from, backwards))]
fn iter_from_thread(
&self,
tree: Arc<heed::UntypedDatabase>,
from: Vec<u8>,
backwards: bool,
) -> Box<dyn Iterator<Item = TupleOfBytes> + Send + Sync> {
let (s, r) = bounded::<TupleOfBytes>(5);
let engine = Arc::clone(&self.engine);
let lock = self.engine.iter_pool.lock().unwrap();
if lock.active_count() < lock.max_count() {
lock.execute(move || {
iter_from_thread_work(tree, &engine.env.read_txn().unwrap(), from, backwards, &s);
});
} else {
std::thread::spawn(move || {
iter_from_thread_work(tree, &engine.env.read_txn().unwrap(), from, backwards, &s);
});
}
Box::new(r.into_iter())
}
}
#[tracing::instrument(skip(tree, txn, from, backwards))]
fn iter_from_thread_work(
tree: Arc<heed::UntypedDatabase>,
txn: &heed::RoTxn<'_>,
from: Vec<u8>,
backwards: bool,
s: &ChannelSender<(Vec<u8>, Vec<u8>)>,
) {
if backwards {
for (k, v) in tree.rev_range(txn, ..=&*from).unwrap().map(|r| r.unwrap()) {
if s.send((k.to_vec(), v.to_vec())).is_err() {
return;
}
}
} else {
if from.is_empty() {
for (k, v) in tree.iter(txn).unwrap().map(|r| r.unwrap()) {
if s.send((k.to_vec(), v.to_vec())).is_err() {
return;
}
}
} else {
for (k, v) in tree.range(txn, &*from..).unwrap().map(|r| r.unwrap()) {
if s.send((k.to_vec(), v.to_vec())).is_err() {
return;
}
}
}
}
}
impl Tree for EngineTree {
#[tracing::instrument(skip(self, key))]
fn get(&self, key: &[u8]) -> Result<Option<Vec<u8>>> {
let txn = self.engine.env.read_txn().map_err(convert_error)?;
Ok(self
.tree
.get(&txn, &key)
.map_err(convert_error)?
.map(|s| s.to_vec()))
}
#[tracing::instrument(skip(self, key, value))]
fn insert(&self, key: &[u8], value: &[u8]) -> Result<()> {
let mut txn = self.engine.env.write_txn().map_err(convert_error)?;
self.tree
.put(&mut txn, &key, &value)
.map_err(convert_error)?;
txn.commit().map_err(convert_error)?;
let watchers = self.watchers.read().unwrap();
let mut triggered = Vec::new();
for length in 0..=key.len() {
if watchers.contains_key(&key[..length]) {
triggered.push(&key[..length]);
}
}
drop(watchers);
if !triggered.is_empty() {
let mut watchers = self.watchers.write().unwrap();
for prefix in triggered {
if let Some(txs) = watchers.remove(prefix) {
for tx in txs {
let _ = tx.send(());
}
}
}
};
Ok(())
}
#[tracing::instrument(skip(self, key))]
fn remove(&self, key: &[u8]) -> Result<()> {
let mut txn = self.engine.env.write_txn().map_err(convert_error)?;
self.tree.delete(&mut txn, &key).map_err(convert_error)?;
txn.commit().map_err(convert_error)?;
Ok(())
}
#[tracing::instrument(skip(self))]
fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (Vec<u8>, Vec<u8>)> + Send + 'a> {
self.iter_from(&[], false)
}
#[tracing::instrument(skip(self, from, backwards))]
fn iter_from(
&self,
from: &[u8],
backwards: bool,
) -> Box<dyn Iterator<Item = (Vec<u8>, Vec<u8>)> + Send> {
self.iter_from_thread(Arc::clone(&self.tree), from.to_vec(), backwards)
}
#[tracing::instrument(skip(self, key))]
fn increment(&self, key: &[u8]) -> Result<Vec<u8>> {
let mut txn = self.engine.env.write_txn().map_err(convert_error)?;
let old = self.tree.get(&txn, &key).map_err(convert_error)?;
let new =
crate::utils::increment(old.as_deref()).expect("utils::increment always returns Some");
self.tree
.put(&mut txn, &key, &&*new)
.map_err(convert_error)?;
txn.commit().map_err(convert_error)?;
Ok(new)
}
#[tracing::instrument(skip(self, prefix))]
fn scan_prefix<'a>(
&'a self,
prefix: Vec<u8>,
) -> Box<dyn Iterator<Item = (Vec<u8>, Vec<u8>)> + Send + 'a> {
Box::new(
self.iter_from(&prefix, false)
.take_while(move |(key, _)| key.starts_with(&prefix)),
)
}
#[tracing::instrument(skip(self, prefix))]
fn watch_prefix<'a>(&'a self, prefix: &[u8]) -> Pin<Box<dyn Future<Output = ()> + Send + 'a>> {
let (tx, rx) = tokio::sync::oneshot::channel();
self.watchers
.write()
.unwrap()
.entry(prefix.to_vec())
.or_default()
.push(tx);
Box::pin(async move {
// Tx is never destroyed
rx.await.unwrap();
})
}
}

View file

@ -863,6 +863,7 @@ impl Rooms {
if let Some(body) = pdu.content.get("body").and_then(|b| b.as_str()) {
for word in body
.split_terminator(|c: char| !c.is_alphanumeric())
.filter(|word| word.len() <= 50)
.map(str::to_lowercase)
{
let mut key = pdu.room_id.as_bytes().to_vec();

View file

@ -81,10 +81,10 @@ pub enum SendingEventType {
pub struct Sending {
/// The state for a given state hash.
pub(super) servername_educount: Arc<dyn Tree>, // EduCount: Count of last EDU sync
pub(super) servernamepduids: Arc<dyn Tree>, // ServernamePduId = (+ / $)SenderKey / ServerName / UserId + PduId
pub(super) servercurrentevents: Arc<dyn Tree>, // ServerCurrentEvents = (+ / $)ServerName / UserId + PduId / (*)EduEvent
pub(super) servernameevent_data: Arc<dyn Tree>, // ServernamEvent = (+ / $)SenderKey / ServerName / UserId + PduId / * (for edus), Data = EDU content
pub(super) servercurrentevent_data: Arc<dyn Tree>, // ServerCurrentEvents = (+ / $)ServerName / UserId + PduId / * (for edus), Data = EDU content
pub(super) maximum_requests: Arc<Semaphore>,
pub sender: mpsc::UnboundedSender<Vec<u8>>,
pub sender: mpsc::UnboundedSender<(Vec<u8>, Vec<u8>)>,
}
enum TransactionStatus {
@ -97,7 +97,7 @@ impl Sending {
pub fn start_handler(
&self,
db: Arc<RwLock<Database>>,
mut receiver: mpsc::UnboundedReceiver<Vec<u8>>,
mut receiver: mpsc::UnboundedReceiver<(Vec<u8>, Vec<u8>)>,
) {
tokio::spawn(async move {
let mut futures = FuturesUnordered::new();
@ -109,16 +109,15 @@ impl Sending {
let guard = db.read().await;
for (key, outgoing_kind, event) in
guard
.sending
.servercurrentevents
.iter()
.filter_map(|(key, _)| {
Self::parse_servercurrentevent(&key)
.ok()
.map(|(k, e)| (key, k, e))
})
for (key, outgoing_kind, event) in guard
.sending
.servercurrentevent_data
.iter()
.filter_map(|(key, v)| {
Self::parse_servercurrentevent(&key, v)
.ok()
.map(|(k, e)| (key, k, e))
})
{
let entry = initial_transactions
.entry(outgoing_kind.clone())
@ -129,7 +128,7 @@ impl Sending {
"Dropping some current events: {:?} {:?} {:?}",
key, outgoing_kind, event
);
guard.sending.servercurrentevents.remove(&key).unwrap();
guard.sending.servercurrentevent_data.remove(&key).unwrap();
continue;
}
@ -156,17 +155,17 @@ impl Sending {
let guard = db.read().await;
let prefix = outgoing_kind.get_prefix();
for (key, _) in guard.sending.servercurrentevents
for (key, _) in guard.sending.servercurrentevent_data
.scan_prefix(prefix.clone())
{
guard.sending.servercurrentevents.remove(&key).unwrap();
guard.sending.servercurrentevent_data.remove(&key).unwrap();
}
// Find events that have been added since starting the last request
let new_events = guard.sending.servernamepduids
let new_events = guard.sending.servernameevent_data
.scan_prefix(prefix.clone())
.filter_map(|(k, _)| {
Self::parse_servercurrentevent(&k).ok().map(|ev| (ev, k))
.filter_map(|(k, v)| {
Self::parse_servercurrentevent(&k, v).ok().map(|ev| (ev, k))
})
.take(30)
.collect::<Vec<_>>();
@ -175,9 +174,10 @@ impl Sending {
if !new_events.is_empty() {
// Insert pdus we found
for (_, key) in &new_events {
guard.sending.servercurrentevents.insert(&key, &[]).unwrap();
guard.sending.servernamepduids.remove(&key).unwrap();
for (e, key) in &new_events {
let value = if let SendingEventType::Edu(value) = &e.1 { &**value } else { &[] };
guard.sending.servercurrentevent_data.insert(&key, value).unwrap();
guard.sending.servernameevent_data.remove(&key).unwrap();
}
drop(guard);
@ -205,8 +205,8 @@ impl Sending {
}
};
},
Some(key) = receiver.next() => {
if let Ok((outgoing_kind, event)) = Self::parse_servercurrentevent(&key) {
Some((key, value)) = receiver.next() => {
if let Ok((outgoing_kind, event)) = Self::parse_servercurrentevent(&key, value) {
let guard = db.read().await;
if let Ok(Some(events)) = Self::select_events(
@ -267,18 +267,25 @@ impl Sending {
if retry {
// We retry the previous transaction
for (key, _) in db.sending.servercurrentevents.scan_prefix(prefix) {
if let Ok((_, e)) = Self::parse_servercurrentevent(&key) {
for (key, value) in db.sending.servercurrentevent_data.scan_prefix(prefix) {
if let Ok((_, e)) = Self::parse_servercurrentevent(&key, value) {
events.push(e);
}
}
} else {
for (e, full_key) in new_events {
db.sending.servercurrentevents.insert(&full_key, &[])?;
let value = if let SendingEventType::Edu(value) = &e {
&**value
} else {
&[][..]
};
db.sending
.servercurrentevent_data
.insert(&full_key, value)?;
// If it was a PDU we have to unqueue it
// TODO: don't try to unqueue EDUs
db.sending.servernamepduids.remove(&full_key)?;
db.sending.servernameevent_data.remove(&full_key)?;
events.push(e);
}
@ -380,8 +387,8 @@ impl Sending {
key.extend_from_slice(&senderkey);
key.push(0xff);
key.extend_from_slice(pdu_id);
self.servernamepduids.insert(&key, b"")?;
self.sender.unbounded_send(key).unwrap();
self.servernameevent_data.insert(&key, &[])?;
self.sender.unbounded_send((key, vec![])).unwrap();
Ok(())
}
@ -391,20 +398,19 @@ impl Sending {
let mut key = server.as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(pdu_id);
self.servernamepduids.insert(&key, b"")?;
self.sender.unbounded_send(key).unwrap();
self.servernameevent_data.insert(&key, &[])?;
self.sender.unbounded_send((key, vec![])).unwrap();
Ok(())
}
#[tracing::instrument(skip(self, server, serialized))]
pub fn send_reliable_edu(&self, server: &ServerName, serialized: &[u8]) -> Result<()> {
pub fn send_reliable_edu(&self, server: &ServerName, serialized: Vec<u8>) -> Result<()> {
let mut key = server.as_bytes().to_vec();
key.push(0xff);
key.push(b'*');
key.extend_from_slice(serialized);
self.servernamepduids.insert(&key, b"")?;
self.sender.unbounded_send(key).unwrap();
self.servernameevent_data.insert(&key, &serialized)?;
self.sender.unbounded_send((key, serialized)).unwrap();
Ok(())
}
@ -415,8 +421,8 @@ impl Sending {
key.extend_from_slice(appservice_id.as_bytes());
key.push(0xff);
key.extend_from_slice(pdu_id);
self.servernamepduids.insert(&key, b"")?;
self.sender.unbounded_send(key).unwrap();
self.servernameevent_data.insert(&key, &[])?;
self.sender.unbounded_send((key, vec![])).unwrap();
Ok(())
}
@ -451,7 +457,7 @@ impl Sending {
(
kind.clone(),
Error::bad_database(
"[Appservice] Event in servernamepduids not found in db.",
"[Appservice] Event in servernameevent_data not found in db.",
),
)
})?
@ -508,7 +514,7 @@ impl Sending {
(
kind.clone(),
Error::bad_database(
"[Push] Event in servernamepduids not found in db.",
"[Push] Event in servernamevent_datas not found in db.",
),
)
})?,
@ -602,7 +608,7 @@ impl Sending {
(
OutgoingKind::Normal(server.clone()),
Error::bad_database(
"[Normal] Event in servernamepduids not found in db.",
"[Normal] Event in servernamevent_datas not found in db.",
),
)
})?,
@ -662,7 +668,10 @@ impl Sending {
}
#[tracing::instrument(skip(key))]
fn parse_servercurrentevent(key: &[u8]) -> Result<(OutgoingKind, SendingEventType)> {
fn parse_servercurrentevent(
key: &[u8],
value: Vec<u8>,
) -> Result<(OutgoingKind, SendingEventType)> {
// Appservices start with a plus
Ok::<_, Error>(if key.starts_with(b"+") {
let mut parts = key[1..].splitn(2, |&b| b == 0xff);
@ -680,7 +689,7 @@ impl Sending {
Error::bad_database("Invalid server string in server_currenttransaction")
})?),
if event.starts_with(b"*") {
SendingEventType::Edu(event[1..].to_vec())
SendingEventType::Edu(value.to_vec())
} else {
SendingEventType::Pdu(event.to_vec())
},

View file

@ -42,6 +42,9 @@ pub enum Error {
#[from]
source: rusqlite::Error,
},
#[cfg(feature = "heed")]
#[error("There was a problem with the connection to the heed database: {error}")]
HeedError { error: String },
#[error("Could not generate an image.")]
ImageError {
#[from]