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Merge branch 'lazy-loading' into 'rocksdb'

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Lazy loading

See merge request famedly/conduit!240
This commit is contained in:
Timo Kösters 2022-01-09 12:45:31 +00:00
commit 2cb51af274
8 changed files with 459 additions and 89 deletions
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60
src/client_server/context.rs
View file

@ -1,5 +1,9 @@
use crate::{database::DatabaseGuard, ConduitResult, Error, Ruma};
use ruma::api::client::{error::ErrorKind, r0::context::get_context};
use ruma::{
api::client::{error::ErrorKind, r0::context::get_context},
events::EventType,
};
use std::collections::HashSet;
use std::convert::TryFrom;
#[cfg(feature = "conduit_bin")]
@ -21,6 +25,7 @@ pub async fn get_context_route(
body: Ruma<get_context::Request<'_>>,
) -> ConduitResult<get_context::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
let sender_device = body.sender_device.as_ref().expect("user is authenticated");
if !db.rooms.is_joined(sender_user, &body.room_id)? {
return Err(Error::BadRequest(
@ -29,6 +34,8 @@ pub async fn get_context_route(
));
}
let mut lazy_loaded = HashSet::new();
let base_pdu_id = db
.rooms
.get_pdu_id(&body.event_id)?
@ -45,8 +52,18 @@ pub async fn get_context_route(
.ok_or(Error::BadRequest(
ErrorKind::NotFound,
"Base event not found.",
))?
.to_room_event();
))?;
if !db.rooms.lazy_load_was_sent_before(
&sender_user,
&sender_device,
&body.room_id,
&base_event.sender,
)? {
lazy_loaded.insert(base_event.sender.clone());
}
let base_event = base_event.to_room_event();
let events_before: Vec<_> = db
.rooms
@ -60,6 +77,17 @@ pub async fn get_context_route(
.filter_map(|r| r.ok()) // Remove buggy events
.collect();
for (_, event) in &events_before {
if !db.rooms.lazy_load_was_sent_before(
&sender_user,
&sender_device,
&body.room_id,
&event.sender,
)? {
lazy_loaded.insert(event.sender.clone());
}
}
let start_token = events_before
.last()
.and_then(|(pdu_id, _)| db.rooms.pdu_count(pdu_id).ok())
@ -82,6 +110,17 @@ pub async fn get_context_route(
.filter_map(|r| r.ok()) // Remove buggy events
.collect();
for (_, event) in &events_after {
if !db.rooms.lazy_load_was_sent_before(
&sender_user,
&sender_device,
&body.room_id,
&event.sender,
)? {
lazy_loaded.insert(event.sender.clone());
}
}
let end_token = events_after
.last()
.and_then(|(pdu_id, _)| db.rooms.pdu_count(pdu_id).ok())
@ -98,12 +137,15 @@ pub async fn get_context_route(
resp.events_before = events_before;
resp.event = Some(base_event);
resp.events_after = events_after;
resp.state = db // TODO: State at event
.rooms
.room_state_full(&body.room_id)?
.values()
.map(|pdu| pdu.to_state_event())
.collect();
resp.state = Vec::new();
for ll_id in &lazy_loaded {
if let Some(member_event) =
db.rooms
.room_state_get(&body.room_id, &EventType::RoomMember, ll_id.as_str())?
{
resp.state.push(member_event.to_state_event());
}
}
Ok(resp.into())
}

57
src/client_server/filter.rs
View file

@ -1,32 +1,47 @@
use crate::{utils, ConduitResult};
use ruma::api::client::r0::filter::{self, create_filter, get_filter};
use crate::{database::DatabaseGuard, ConduitResult, Error, Ruma};
use ruma::api::client::{
error::ErrorKind,
r0::filter::{create_filter, get_filter},
};
#[cfg(feature = "conduit_bin")]
use rocket::{get, post};
/// # `GET /_matrix/client/r0/user/{userId}/filter/{filterId}`
///
/// TODO: Loads a filter that was previously created.
#[cfg_attr(feature = "conduit_bin", get("/_matrix/client/r0/user/<_>/filter/<_>"))]
#[tracing::instrument]
pub async fn get_filter_route() -> ConduitResult<get_filter::Response> {
// TODO
Ok(get_filter::Response::new(filter::IncomingFilterDefinition {
event_fields: None,
event_format: filter::EventFormat::default(),
account_data: filter::IncomingFilter::default(),
room: filter::IncomingRoomFilter::default(),
presence: filter::IncomingFilter::default(),
})
.into())
/// Loads a filter that was previously created.
///
/// - A user can only access their own filters
#[cfg_attr(
feature = "conduit_bin",
get("/_matrix/client/r0/user/<_>/filter/<_>", data = "<body>")
)]
#[tracing::instrument(skip(db, body))]
pub async fn get_filter_route(
db: DatabaseGuard,
body: Ruma<get_filter::Request<'_>>,
) -> ConduitResult<get_filter::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
let filter = match db.users.get_filter(sender_user, &body.filter_id)? {
Some(filter) => filter,
None => return Err(Error::BadRequest(ErrorKind::NotFound, "Filter not found.")),
};
Ok(get_filter::Response::new(filter).into())
}
/// # `PUT /_matrix/client/r0/user/{userId}/filter`
///
/// TODO: Creates a new filter to be used by other endpoints.
#[cfg_attr(feature = "conduit_bin", post("/_matrix/client/r0/user/<_>/filter"))]
#[tracing::instrument]
pub async fn create_filter_route() -> ConduitResult<create_filter::Response> {
// TODO
Ok(create_filter::Response::new(utils::random_string(10)).into())
/// Creates a new filter to be used by other endpoints.
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/user/<_>/filter", data = "<body>")
)]
#[tracing::instrument(skip(db, body))]
pub async fn create_filter_route(
db: DatabaseGuard,
body: Ruma<create_filter::Request<'_>>,
) -> ConduitResult<create_filter::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
Ok(create_filter::Response::new(db.users.create_filter(sender_user, &body.filter)?).into())
}

75
src/client_server/message.rs
View file

@ -6,7 +6,11 @@ use ruma::{
},
events::EventType,
};
use std::{collections::BTreeMap, convert::TryInto, sync::Arc};
use std::{
collections::{BTreeMap, HashSet},
convert::TryInto,
sync::Arc,
};
#[cfg(feature = "conduit_bin")]
use rocket::{get, put};
@ -117,6 +121,7 @@ pub async fn get_message_events_route(
body: Ruma<get_message_events::Request<'_>>,
) -> ConduitResult<get_message_events::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
let sender_device = body.sender_device.as_ref().expect("user is authenticated");
if !db.rooms.is_joined(sender_user, &body.room_id)? {
return Err(Error::BadRequest(
@ -133,9 +138,18 @@ pub async fn get_message_events_route(
let to = body.to.as_ref().map(|t| t.parse());
db.rooms
.lazy_load_confirm_delivery(&sender_user, &sender_device, &body.room_id, from)?;
// Use limit or else 10
let limit = body.limit.try_into().map_or(10_usize, |l: u32| l as usize);
let next_token;
let mut resp = get_message_events::Response::new();
let mut lazy_loaded = HashSet::new();
match body.dir {
get_message_events::Direction::Forward => {
let events_after: Vec<_> = db
@ -152,7 +166,18 @@ pub async fn get_message_events_route(
.take_while(|&(k, _)| Some(Ok(k)) != to) // Stop at `to`
.collect();
let end_token = events_after.last().map(|(count, _)| count.to_string());
for (_, event) in &events_after {
if !db.rooms.lazy_load_was_sent_before(
&sender_user,
&sender_device,
&body.room_id,
&event.sender,
)? {
lazy_loaded.insert(event.sender.clone());
}
}
next_token = events_after.last().map(|(count, _)| count).copied();
let events_after: Vec<_> = events_after
.into_iter()
@ -161,11 +186,8 @@ pub async fn get_message_events_route(
let mut resp = get_message_events::Response::new();
resp.start = Some(body.from.to_owned());
resp.end = end_token;
resp.end = next_token.map(|count| count.to_string());
resp.chunk = events_after;
resp.state = Vec::new();
Ok(resp.into())
}
get_message_events::Direction::Backward => {
let events_before: Vec<_> = db
@ -182,20 +204,49 @@ pub async fn get_message_events_route(
.take_while(|&(k, _)| Some(Ok(k)) != to) // Stop at `to`
.collect();
let start_token = events_before.last().map(|(count, _)| count.to_string());
for (_, event) in &events_before {
if !db.rooms.lazy_load_was_sent_before(
&sender_user,
&sender_device,
&body.room_id,
&event.sender,
)? {
lazy_loaded.insert(event.sender.clone());
}
}
next_token = events_before.last().map(|(count, _)| count).copied();
let events_before: Vec<_> = events_before
.into_iter()
.map(|(_, pdu)| pdu.to_room_event())
.collect();
let mut resp = get_message_events::Response::new();
resp.start = Some(body.from.to_owned());
resp.end = start_token;
resp.end = next_token.map(|count| count.to_string());
resp.chunk = events_before;
resp.state = Vec::new();
Ok(resp.into())
}
}
resp.state = Vec::new();
for ll_id in &lazy_loaded {
if let Some(member_event) =
db.rooms
.room_state_get(&body.room_id, &EventType::RoomMember, ll_id.as_str())?
{
resp.state.push(member_event.to_state_event());
}
}
if let Some(next_token) = next_token {
db.rooms.lazy_load_mark_sent(
&sender_user,
&sender_device,
&body.room_id,
lazy_loaded,
next_token,
);
}
Ok(resp.into())
}

201
src/client_server/sync.rs
View file

@ -1,6 +1,10 @@
use crate::{database::DatabaseGuard, ConduitResult, Database, Error, Result, Ruma, RumaResponse};
use ruma::{
api::client::r0::{sync::sync_events, uiaa::UiaaResponse},
api::client::r0::{
filter::{IncomingFilterDefinition, LazyLoadOptions},
sync::sync_events,
uiaa::UiaaResponse,
},
events::{
room::member::{MembershipState, RoomMemberEventContent},
AnySyncEphemeralRoomEvent, EventType,
@ -36,13 +40,15 @@ use rocket::{get, tokio};
/// Calling this endpoint with a `since` parameter from a previous `next_batch` returns:
/// For joined rooms:
/// - Some of the most recent events of each timeline that happened after since
/// - If user joined the room after since: All state events and device list updates in that room
/// - If user joined the room after since: All state events (unless lazy loading is activated) and
/// all device list updates in that room
/// - If the user was already in the room: A list of all events that are in the state now, but were
/// not in the state at `since`
/// - If the state we send contains a member event: Joined and invited member counts, heroes
/// - Device list updates that happened after `since`
/// - If there are events in the timeline we send or the user send updated his read mark: Notification counts
/// - EDUs that are active now (read receipts, typing updates, presence)
/// - TODO: Allow multiple sync streams to support Pantalaimon
///
/// For invited rooms:
/// - If the user was invited after `since`: A subset of the state of the room at the point of the invite
@ -77,34 +83,32 @@ pub async fn sync_events_route(
Entry::Vacant(v) => {
let (tx, rx) = tokio::sync::watch::channel(None);
v.insert((body.since.clone(), rx.clone()));
tokio::spawn(sync_helper_wrapper(
Arc::clone(&arc_db),
sender_user.clone(),
sender_device.clone(),
body.since.clone(),
body.full_state,
body.timeout,
body,
tx,
));
v.insert((body.since.clone(), rx)).1.clone()
rx
}
Entry::Occupied(mut o) => {
if o.get().0 != body.since {
let (tx, rx) = tokio::sync::watch::channel(None);
o.insert((body.since.clone(), rx.clone()));
tokio::spawn(sync_helper_wrapper(
Arc::clone(&arc_db),
sender_user.clone(),
sender_device.clone(),
body.since.clone(),
body.full_state,
body.timeout,
body,
tx,
));
o.insert((body.since.clone(), rx.clone()));
rx
} else {
o.get().1.clone()
@ -135,18 +139,16 @@ async fn sync_helper_wrapper(
db: Arc<DatabaseGuard>,
sender_user: Box<UserId>,
sender_device: Box<DeviceId>,
since: Option<String>,
full_state: bool,
timeout: Option<Duration>,
body: sync_events::IncomingRequest,
tx: Sender<Option<ConduitResult<sync_events::Response>>>,
) {
let since = body.since.clone();
let r = sync_helper(
Arc::clone(&db),
sender_user.clone(),
sender_device.clone(),
since.clone(),
full_state,
timeout,
body,
)
.await;
@ -179,9 +181,7 @@ async fn sync_helper(
db: Arc<DatabaseGuard>,
sender_user: Box<UserId>,
sender_device: Box<DeviceId>,
since: Option<String>,
full_state: bool,
timeout: Option<Duration>,
body: sync_events::IncomingRequest,
// bool = caching allowed
) -> Result<(sync_events::Response, bool), Error> {
// TODO: match body.set_presence {
@ -193,8 +193,26 @@ async fn sync_helper(
let next_batch = db.globals.current_count()?;
let next_batch_string = next_batch.to_string();
// Load filter
let filter = match body.filter {
None => IncomingFilterDefinition::default(),
Some(sync_events::IncomingFilter::FilterDefinition(filter)) => filter,
Some(sync_events::IncomingFilter::FilterId(filter_id)) => db
.users
.get_filter(&sender_user, &filter_id)?
.unwrap_or_default(),
};
let (lazy_load_enabled, lazy_load_send_redundant) = match filter.room.state.lazy_load_options {
LazyLoadOptions::Enabled {
include_redundant_members: redundant,
} => (true, redundant),
_ => (false, false),
};
let mut joined_rooms = BTreeMap::new();
let since = since
let since = body
.since
.clone()
.and_then(|string| string.parse().ok())
.unwrap_or(0);
@ -264,6 +282,14 @@ async fn sync_helper(
// limited unless there are events in non_timeline_pdus
let limited = non_timeline_pdus.next().is_some();
let mut timeline_users = HashSet::new();
for (_, event) in &timeline_pdus {
timeline_users.insert(event.sender.as_str().to_owned());
}
db.rooms
.lazy_load_confirm_delivery(&sender_user, &sender_device, &room_id, since)?;
// Database queries:
let current_shortstatehash = db
@ -344,14 +370,58 @@ async fn sync_helper(
state_events,
) = if since_shortstatehash.is_none() {
// Probably since = 0, we will do an initial sync
let (joined_member_count, invited_member_count, heroes) = calculate_counts()?;
let current_state_ids = db.rooms.state_full_ids(current_shortstatehash)?;
let state_events: Vec<_> = current_state_ids
.iter()
.map(|(_, id)| db.rooms.get_pdu(id))
.filter_map(|r| r.ok().flatten())
.collect();
let mut state_events = Vec::new();
let mut lazy_loaded = HashSet::new();
for (shortstatekey, id) in current_state_ids {
let (event_type, state_key) = db.rooms.get_statekey_from_short(shortstatekey)?;
if event_type != EventType::RoomMember {
let pdu = match db.rooms.get_pdu(&id)? {
Some(pdu) => pdu,
None => {
error!("Pdu in state not found: {}", id);
continue;
}
};
state_events.push(pdu);
} else if !lazy_load_enabled
|| body.full_state
|| timeline_users.contains(&state_key)
{
let pdu = match db.rooms.get_pdu(&id)? {
Some(pdu) => pdu,
None => {
error!("Pdu in state not found: {}", id);
continue;
}
};
lazy_loaded.insert(
UserId::parse(state_key.as_ref())
.expect("they are in timeline_users, so they should be correct"),
);
state_events.push(pdu);
}
}
// Reset lazy loading because this is an initial sync
db.rooms
.lazy_load_reset(&sender_user, &sender_device, &room_id)?;
// The state_events above should contain all timeline_users, let's mark them as lazy
// loaded.
db.rooms.lazy_load_mark_sent(
&sender_user,
&sender_device,
&room_id,
lazy_loaded,
next_batch,
);
(
heroes,
@ -387,20 +457,67 @@ async fn sync_helper(
let since_state_ids = db.rooms.state_full_ids(since_shortstatehash)?;
let state_events = if joined_since_last_sync {
current_state_ids
.iter()
.map(|(_, id)| db.rooms.get_pdu(id))
.filter_map(|r| r.ok().flatten())
.collect::<Vec<_>>()
} else {
current_state_ids
.iter()
.filter(|(key, id)| since_state_ids.get(key) != Some(id))
.map(|(_, id)| db.rooms.get_pdu(id))
.filter_map(|r| r.ok().flatten())
.collect()
};
let mut state_events = Vec::new();
let mut lazy_loaded = HashSet::new();
for (key, id) in current_state_ids {
if body.full_state || since_state_ids.get(&key) != Some(&id) {
let pdu = match db.rooms.get_pdu(&id)? {
Some(pdu) => pdu,
None => {
error!("Pdu in state not found: {}", id);
continue;
}
};
if pdu.kind == EventType::RoomMember {
match UserId::parse(
pdu.state_key
.as_ref()
.expect("State event has state key")
.clone(),
) {
Ok(state_key_userid) => {
lazy_loaded.insert(state_key_userid);
}
Err(e) => error!("Invalid state key for member event: {}", e),
}
}
state_events.push(pdu);
}
}
for (_, event) in &timeline_pdus {
if lazy_loaded.contains(&event.sender) {
continue;
}
if !db.rooms.lazy_load_was_sent_before(
&sender_user,
&sender_device,
&room_id,
&event.sender,
)? || lazy_load_send_redundant
{
if let Some(member_event) = db.rooms.room_state_get(
&room_id,
&EventType::RoomMember,
event.sender.as_str(),
)? {
lazy_loaded.insert(event.sender.clone());
state_events.push(member_event);
}
}
}
db.rooms.lazy_load_mark_sent(
&sender_user,
&sender_device,
&room_id,
lazy_loaded,
next_batch,
);
let encrypted_room = db
.rooms
@ -765,7 +882,7 @@ async fn sync_helper(
};
// TODO: Retry the endpoint instead of returning (waiting for #118)
if !full_state
if !body.full_state
&& response.rooms.is_empty()
&& response.presence.is_empty()
&& response.account_data.is_empty()
@ -774,7 +891,7 @@ async fn sync_helper(
{
// Hang a few seconds so requests are not spammed
// Stop hanging if new info arrives
let mut duration = timeout.unwrap_or_default();
let mut duration = body.timeout.unwrap_or_default();
if duration.as_secs() > 30 {
duration = Duration::from_secs(30);
}

4
src/database.rs
View file

@ -249,6 +249,7 @@ impl Database {
userid_masterkeyid: builder.open_tree("userid_masterkeyid")?,
userid_selfsigningkeyid: builder.open_tree("userid_selfsigningkeyid")?,
userid_usersigningkeyid: builder.open_tree("userid_usersigningkeyid")?,
userfilterid_filter: builder.open_tree("userfilterid_filter")?,
todeviceid_events: builder.open_tree("todeviceid_events")?,
},
uiaa: uiaa::Uiaa {
@ -289,6 +290,8 @@ impl Database {
userroomid_leftstate: builder.open_tree("userroomid_leftstate")?,
roomuserid_leftcount: builder.open_tree("roomuserid_leftcount")?,
lazyloadedids: builder.open_tree("lazyloadedids")?,
userroomid_notificationcount: builder.open_tree("userroomid_notificationcount")?,
userroomid_highlightcount: builder.open_tree("userroomid_highlightcount")?,
@ -324,6 +327,7 @@ impl Database {
statekeyshort_cache: Mutex::new(LruCache::new(1_000_000)),
our_real_users_cache: RwLock::new(HashMap::new()),
appservice_in_room_cache: RwLock::new(HashMap::new()),
lazy_load_waiting: Mutex::new(HashMap::new()),
stateinfo_cache: Mutex::new(LruCache::new(1000)),
},
account_data: account_data::AccountData {

7
src/database/abstraction/rocksdb.rs
View file

@ -1,10 +1,11 @@
use super::super::Config;
use super::{DatabaseEngine, Tree};
use crate::{utils, Result};
use std::{future::Future, pin::Pin, sync::Arc};
use std::{
collections::{hash_map, HashMap},
sync::RwLock};
use super::{DatabaseEngine, Tree};
sync::RwLock,
};
use std::{future::Future, pin::Pin, sync::Arc};
use tokio::sync::watch;
pub struct Engine {

96
src/database/rooms.rs
View file

@ -28,7 +28,7 @@ use ruma::{
push::{Action, Ruleset, Tweak},
serde::{CanonicalJsonObject, CanonicalJsonValue, Raw},
state_res::{self, RoomVersion, StateMap},
uint, EventId, RoomAliasId, RoomId, RoomVersionId, ServerName, UserId,
uint, DeviceId, EventId, RoomAliasId, RoomId, RoomVersionId, ServerName, UserId,
};
use serde::Deserialize;
use serde_json::value::to_raw_value;
@ -79,6 +79,8 @@ pub struct Rooms {
pub(super) userroomid_leftstate: Arc<dyn Tree>,
pub(super) roomuserid_leftcount: Arc<dyn Tree>,
pub(super) lazyloadedids: Arc<dyn Tree>, // LazyLoadedIds = UserId + DeviceId + RoomId + LazyLoadedUserId
pub(super) userroomid_notificationcount: Arc<dyn Tree>, // NotifyCount = u64
pub(super) userroomid_highlightcount: Arc<dyn Tree>, // HightlightCount = u64
@ -117,6 +119,8 @@ pub struct Rooms {
pub(super) shortstatekey_cache: Mutex<LruCache<u64, (EventType, String)>>,
pub(super) our_real_users_cache: RwLock<HashMap<Box<RoomId>, Arc<HashSet<Box<UserId>>>>>,
pub(super) appservice_in_room_cache: RwLock<HashMap<Box<RoomId>, HashMap<String, bool>>>,
pub(super) lazy_load_waiting:
Mutex<HashMap<(Box<UserId>, Box<DeviceId>, Box<RoomId>, u64), HashSet<Box<UserId>>>>,
pub(super) stateinfo_cache: Mutex<
LruCache<
u64,
@ -3453,4 +3457,94 @@ impl Rooms {
Ok(())
}
#[tracing::instrument(skip(self))]
pub fn lazy_load_was_sent_before(
&self,
user_id: &UserId,
device_id: &DeviceId,
room_id: &RoomId,
ll_user: &UserId,
) -> Result<bool> {
let mut key = user_id.as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(&device_id.as_bytes());
key.push(0xff);
key.extend_from_slice(&room_id.as_bytes());
key.push(0xff);
key.extend_from_slice(&ll_user.as_bytes());
Ok(self.lazyloadedids.get(&key)?.is_some())
}
#[tracing::instrument(skip(self))]
pub fn lazy_load_mark_sent(
&self,
user_id: &UserId,
device_id: &DeviceId,
room_id: &RoomId,
lazy_load: HashSet<Box<UserId>>,
count: u64,
) {
self.lazy_load_waiting.lock().unwrap().insert(
(
user_id.to_owned(),
device_id.to_owned(),
room_id.to_owned(),
count,
),
lazy_load,
);
}
#[tracing::instrument(skip(self))]
pub fn lazy_load_confirm_delivery(
&self,
user_id: &UserId,
device_id: &DeviceId,
room_id: &RoomId,
since: u64,
) -> Result<()> {
if let Some(user_ids) = self.lazy_load_waiting.lock().unwrap().remove(&(
user_id.to_owned(),
device_id.to_owned(),
room_id.to_owned(),
since,
)) {
let mut prefix = user_id.as_bytes().to_vec();
prefix.push(0xff);
prefix.extend_from_slice(&device_id.as_bytes());
prefix.push(0xff);
prefix.extend_from_slice(&room_id.as_bytes());
prefix.push(0xff);
for ll_id in user_ids {
let mut key = prefix.clone();
key.extend_from_slice(&ll_id.as_bytes());
self.lazyloadedids.insert(&key, &[])?;
}
}
Ok(())
}
#[tracing::instrument(skip(self))]
pub fn lazy_load_reset(
&self,
user_id: &Box<UserId>,
device_id: &Box<DeviceId>,
room_id: &Box<RoomId>,
) -> Result<()> {
let mut prefix = user_id.as_bytes().to_vec();
prefix.push(0xff);
prefix.extend_from_slice(&device_id.as_bytes());
prefix.push(0xff);
prefix.extend_from_slice(&room_id.as_bytes());
prefix.push(0xff);
for (key, _) in self.lazyloadedids.scan_prefix(prefix) {
self.lazyloadedids.remove(&key)?;
}
Ok(())
}
}

48
src/database/users.rs
View file

@ -1,6 +1,9 @@
use crate::{utils, Error, Result};
use ruma::{
api::client::{error::ErrorKind, r0::device::Device},
api::client::{
error::ErrorKind,
r0::{device::Device, filter::IncomingFilterDefinition},
},
encryption::{CrossSigningKey, DeviceKeys, OneTimeKey},
events::{AnyToDeviceEvent, EventType},
identifiers::MxcUri,
@ -31,6 +34,8 @@ pub struct Users {
pub(super) userid_selfsigningkeyid: Arc<dyn Tree>,
pub(super) userid_usersigningkeyid: Arc<dyn Tree>,
pub(super) userfilterid_filter: Arc<dyn Tree>, // UserFilterId = UserId + FilterId
pub(super) todeviceid_events: Arc<dyn Tree>, // ToDeviceId = UserId + DeviceId + Count
}
@ -990,4 +995,45 @@ impl Users {
// TODO: Unhook 3PID
Ok(())
}
/// Creates a new sync filter. Returns the filter id.
#[tracing::instrument(skip(self))]
pub fn create_filter(
&self,
user_id: &UserId,
filter: &IncomingFilterDefinition,
) -> Result<String> {
let filter_id = utils::random_string(4);
let mut key = user_id.as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(filter_id.as_bytes());
self.userfilterid_filter.insert(
&key,
&serde_json::to_vec(&filter).expect("filter is valid json"),
)?;
Ok(filter_id)
}
#[tracing::instrument(skip(self))]
pub fn get_filter(
&self,
user_id: &UserId,
filter_id: &str,
) -> Result<Option<IncomingFilterDefinition>> {
let mut key = user_id.as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(filter_id.as_bytes());
let raw = self.userfilterid_filter.get(&key)?;
if let Some(raw) = raw {
serde_json::from_slice(&raw)
.map_err(|_| Error::bad_database("Invalid filter event in db."))
} else {
Ok(None)
}
}
}