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feat(presence): implement most features for PoC

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This commit is contained in:
Jakub Kubík 2022-11-18 17:18:20 +01:00
parent f956e727e4
commit e7348621bd
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GPG key ID: D3A0D5D60F3A173F
8 changed files with 183 additions and 129 deletions
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2
src/api/client_server/presence.rs
View file

@ -60,7 +60,7 @@ pub async fn get_presence_route(
.rooms
.edus
.presence
.get_last_presence_event(sender_user, &room_id)?
.get_presence_event(sender_user, &room_id)?
{
presence_event = Some(presence);
break;

29
src/api/server_server.rs
View file

@ -33,6 +33,7 @@ use ruma::{
},
directory::{IncomingFilter, IncomingRoomNetwork},
events::{
presence::{PresenceEvent, PresenceEventContent},
receipt::{ReceiptEvent, ReceiptEventContent, ReceiptType},
room::{
join_rules::{JoinRule, RoomJoinRulesEventContent},
@ -746,7 +747,33 @@ pub async fn send_transaction_message_route(
.filter_map(|edu| serde_json::from_str::<Edu>(edu.json().get()).ok())
{
match edu {
Edu::Presence(_) => {}
Edu::Presence(presence) => {
for presence_update in presence.push {
let user_id = presence_update.user_id;
for room_id in services()
.rooms
.state_cache
.rooms_joined(&user_id)
.filter_map(|room_id| room_id.ok())
{
services().rooms.edus.presence.update_presence(
&user_id,
&room_id,
PresenceEvent {
content: PresenceEventContent {
avatar_url: services().users.avatar_url(&user_id)?,
currently_active: Some(presence_update.currently_active),
displayname: services().users.displayname(&user_id)?,
last_active_ago: Some(presence_update.last_active_ago),
presence: presence_update.presence.clone(),
status_msg: presence_update.status_msg.clone(),
},
sender: user_id.clone(),
},
)?;
}
}
}
Edu::Receipt(receipt) => {
for (room_id, room_updates) in receipt.receipts {
for (user_id, user_updates) in room_updates.read {

13
src/config/mod.rs
View file

@ -76,6 +76,11 @@ pub struct Config {
pub emergency_password: Option<String>,
#[serde(default = "default_presence_idle_timeout")]
pub presence_idle_timeout: u64,
#[serde(default = "default_presence_offline_timeout")]
pub presence_offline_timeout: u64,
#[serde(flatten)]
pub catchall: BTreeMap<String, IgnoredAny>,
}
@ -257,6 +262,14 @@ fn default_turn_ttl() -> u64 {
60 * 60 * 24
}
fn default_presence_idle_timeout() -> u64 {
1 * 60 as u64
}
fn default_presence_offline_timeout() -> u64 {
15 * 60 as u64
}
// I know, it's a great name
pub fn default_default_room_version() -> RoomVersionId {
RoomVersionId::V9

164
src/database/key_value/rooms/edus/presence.rs
View file

@ -1,5 +1,7 @@
use futures_util::{stream::FuturesUnordered, StreamExt};
use ruma::user_id;
use std::{collections::HashMap, time::Duration};
use tracing::error;
use ruma::{
events::presence::PresenceEvent, presence::PresenceState, OwnedUserId, RoomId, UInt, UserId,
@ -7,9 +9,11 @@ use ruma::{
use tokio::{sync::mpsc, time::sleep};
use crate::{
database::KeyValueDatabase, service, services, utils, utils::u64_from_bytes, Error, Result,
database::KeyValueDatabase,
service, services, utils,
utils::{millis_since_unix_epoch, u64_from_bytes},
Error, Result,
};
use crate::utils::millis_since_unix_epoch;
pub struct PresenceUpdate {
count: u64,
@ -17,15 +21,15 @@ pub struct PresenceUpdate {
}
impl PresenceUpdate {
fn to_be_bytes(&self) -> &[u8] {
&*([self.count.to_be_bytes(), self.timestamp.to_be_bytes()].concat())
fn to_be_bytes(&self) -> Vec<u8> {
[self.count.to_be_bytes(), self.timestamp.to_be_bytes()].concat()
}
fn from_be_bytes(bytes: &[u8]) -> Result<Self> {
let (count_bytes, timestamp_bytes) = bytes.split_at(bytes.len() / 2);
Ok(Self {
count: u64_from_bytes(count_bytes)?,
timestamp: u64_from_bytes(timestamp_bytes)?,
count: u64_from_bytes(count_bytes).expect("count bytes from DB are valid"),
timestamp: u64_from_bytes(timestamp_bytes).expect("timestamp bytes from DB are valid"),
})
}
}
@ -37,19 +41,23 @@ impl service::rooms::edus::presence::Data for KeyValueDatabase {
room_id: &RoomId,
presence: PresenceEvent,
) -> Result<()> {
let mut roomuser_id = [room_id.as_bytes(), 0xff, user_id.as_bytes()].concat();
let roomuser_id = [room_id.as_bytes(), &[0xff], user_id.as_bytes()].concat();
self.roomuserid_presenceevent.insert(
&roomuser_id,
&serde_json::to_vec(&presence)?,
&serde_json::to_vec(&presence).expect("presence event from DB is valid"),
)?;
self.userid_presenceupdate.insert(
user_id.as_bytes(),
PresenceUpdate {
&*PresenceUpdate {
count: services().globals.next_count()?,
timestamp: millis_since_unix_epoch(),
}.to_be_bytes(),
timestamp: match presence.content.last_active_ago {
Some(active_ago) => millis_since_unix_epoch().saturating_sub(active_ago.into()),
None => millis_since_unix_epoch(),
},
}
.to_be_bytes(),
)?;
Ok(())
@ -58,10 +66,11 @@ impl service::rooms::edus::presence::Data for KeyValueDatabase {
fn ping_presence(&self, user_id: &UserId) -> Result<()> {
self.userid_presenceupdate.insert(
user_id.as_bytes(),
PresenceUpdate {
&*PresenceUpdate {
count: services().globals.current_count()?,
timestamp: millis_since_unix_epoch(),
}.to_be_bytes()
}
.to_be_bytes(),
)?;
Ok(())
@ -70,9 +79,7 @@ impl service::rooms::edus::presence::Data for KeyValueDatabase {
fn last_presence_update(&self, user_id: &UserId) -> Result<Option<u64>> {
self.userid_presenceupdate
.get(user_id.as_bytes())?
.map(|bytes| {
PresenceUpdate::from_be_bytes(bytes)?.timestamp
})
.map(|bytes| PresenceUpdate::from_be_bytes(&bytes).map(|update| update.timestamp))
.transpose()
}
@ -80,57 +87,131 @@ impl service::rooms::edus::presence::Data for KeyValueDatabase {
&self,
room_id: &RoomId,
user_id: &UserId,
presence_timestamp: u64
presence_timestamp: u64,
) -> Result<Option<PresenceEvent>> {
let mut roomuser_id = [room_id.as_bytes(), 0xff, user_id.as_bytes()].concat();
let roomuser_id = [room_id.as_bytes(), &[0xff], user_id.as_bytes()].concat();
self.roomuserid_presenceevent
.get(&roomuser_id)?
.map(|value| parse_presence_event(&value, presence_timestamp))
.transpose()
}
fn presence_since(
&self,
fn presence_since<'a>(
&'a self,
room_id: &RoomId,
since: u64,
) -> Result<Box<dyn Iterator<Item=(&UserId, PresenceEvent)>>> {
) -> Result<Box<dyn Iterator<Item = (OwnedUserId, PresenceEvent)> + 'a>> {
let services = &services();
let mut user_timestamp: HashMap<UserId, u64> = self.userid_presenceupdate
let user_timestamp: HashMap<OwnedUserId, u64> = self
.userid_presenceupdate
.iter()
.map(|(user_id_bytes, update_bytes)| (UserId::parse(utils::string_from_bytes(user_id_bytes)), PresenceUpdate::from_be_bytes(update_bytes)?))
.filter_map(|(user_id_bytes, update_bytes)| {
Some((
OwnedUserId::from(
UserId::parse(utils::string_from_bytes(&user_id_bytes).ok()?).ok()?,
),
PresenceUpdate::from_be_bytes(&update_bytes).ok()?,
))
})
.filter_map(|(user_id, presence_update)| {
if presence_update.count <= since || !services.rooms.state_cache.is_joined(user_id, room_id)? {
return None
if presence_update.count <= since
|| !services
.rooms
.state_cache
.is_joined(&user_id, room_id)
.ok()?
{
return None;
}
Some((user_id, presence_update.timestamp))
})
.collect();
Ok(
Ok(Box::new(
self.roomuserid_presenceevent
.iter()
.filter_map(|user_id_bytes, presence_bytes| (UserId::parse(utils::string_from_bytes(user_id_bytes)), presence_bytes))
.filter_map(|user_id, presence_bytes| {
let timestamp = user_timestamp.get(user_id)?;
Some((user_id, parse_presence_event(presence_bytes, *timestamp)?))
.filter_map(|(user_id_bytes, presence_bytes)| {
Some((
OwnedUserId::from(
UserId::parse(utils::string_from_bytes(&user_id_bytes).ok()?).ok()?,
),
presence_bytes,
))
})
.into_iter()
)
.filter_map(
move |(user_id, presence_bytes)| -> Option<(OwnedUserId, PresenceEvent)> {
let timestamp = user_timestamp.get(&user_id)?;
Some((
user_id,
parse_presence_event(&presence_bytes, *timestamp).ok()?,
))
},
),
))
}
fn presence_maintain(
&self,
mut timer_receiver: mpsc::UnboundedReceiver<Box<UserId>>,
mut timer_receiver: mpsc::UnboundedReceiver<OwnedUserId>,
) -> Result<()> {
let mut timers = FuturesUnordered::new();
// TODO: Get rid of this hack
timers.push(create_presence_timer(
Duration::from_secs(60),
user_id!("@test:test.com").to_owned(),
));
tokio::spawn(async move {
loop {
tokio::select! {
Some(_user_id) = timers.next() => {
// TODO: Handle presence timeouts
Some(user_id) = timers.next() => {
let presence_timestamp = match services().rooms.edus.presence.last_presence_update(&user_id) {
Ok(timestamp) => match timestamp {
Some(timestamp) => timestamp,
None => continue,
},
Err(e) => {
error!("{e}");
continue;
}
};
let presence_state = determine_presence_state(presence_timestamp);
// Continue if there is no change in state
if presence_state != PresenceState::Offline {
continue;
}
for room_id in services()
.rooms
.state_cache
.rooms_joined(&user_id)
.filter_map(|room_id| room_id.ok()) {
let presence_event = match services().rooms.edus.presence.get_presence_event(&user_id, &room_id) {
Ok(event) => match event {
Some(event) => event,
None => continue,
},
Err(e) => {
error!("{e}");
continue;
}
};
match services().rooms.edus.presence.update_presence(&user_id, &room_id, presence_event) {
Ok(()) => (),
Err(e) => {
error!("{e}");
continue;
}
}
// TODO: Send event over federation
}
}
Some(user_id) = timer_receiver.recv() => {
// Idle timeout
@ -147,7 +228,7 @@ impl service::rooms::edus::presence::Data for KeyValueDatabase {
}
}
async fn create_presence_timer(duration: Duration, user_id: Box<UserId>) -> Box<UserId> {
async fn create_presence_timer(duration: Duration, user_id: OwnedUserId) -> OwnedUserId {
sleep(duration).await;
user_id
@ -162,9 +243,7 @@ fn parse_presence_event(bytes: &[u8], presence_timestamp: u64) -> Result<Presenc
Ok(presence)
}
fn determine_presence_state(
last_active_ago: u64,
) -> PresenceState {
fn determine_presence_state(last_active_ago: u64) -> PresenceState {
let globals = &services().globals;
return if last_active_ago < globals.presence_idle_timeout() {
@ -177,10 +256,7 @@ fn determine_presence_state(
}
/// Translates the timestamp representing last_active_ago to a diff from now.
fn translate_active_ago(
presence_event: &mut PresenceEvent,
last_active_ts: u64,
) {
fn translate_active_ago(presence_event: &mut PresenceEvent, last_active_ts: u64) {
let last_active_ago = millis_since_unix_epoch().saturating_sub(last_active_ts);
presence_event.content.presence = determine_presence_state(last_active_ago);

5
src/database/mod.rs
View file

@ -65,7 +65,7 @@ pub struct KeyValueDatabase {
pub(super) roomuserid_lastprivatereadupdate: Arc<dyn KvTree>, // LastPrivateReadUpdate = Count
pub(super) typingid_userid: Arc<dyn KvTree>, // TypingId = RoomId + TimeoutTime + Count
pub(super) roomid_lasttypingupdate: Arc<dyn KvTree>, // LastRoomTypingUpdate = Count
pub(super) userid_presenceupdate: Arc<dyn KvTree>, // PresenceUpdate = Count + Timestamp
pub(super) userid_presenceupdate: Arc<dyn KvTree>, // PresenceUpdate = Count + Timestamp
pub(super) roomuserid_presenceevent: Arc<dyn KvTree>, // PresenceEvent
//pub rooms: rooms::Rooms,
@ -825,9 +825,6 @@ impl KeyValueDatabase {
);
}
// This data is probably outdated
db.presenceid_presence.clear()?;
services().admin.start_handler();
// Set emergency access for the conduit user

8
src/service/globals/mod.rs
View file

@ -286,6 +286,14 @@ impl Service {
&self.config.emergency_password
}
pub fn presence_idle_timeout(&self) -> u64 {
self.config.presence_idle_timeout
}
pub fn presence_offline_timeout(&self) -> u64 {
self.config.presence_offline_timeout
}
pub fn supported_room_versions(&self) -> Vec<RoomVersionId> {
let mut room_versions: Vec<RoomVersionId> = vec![];
room_versions.extend(self.stable_room_versions.clone());

10
src/service/rooms/edus/presence/data.rs
View file

@ -1,5 +1,3 @@
use std::collections::HashMap;
use crate::Result;
use ruma::{events::presence::PresenceEvent, OwnedUserId, RoomId, UserId};
use tokio::sync::mpsc;
@ -31,12 +29,12 @@ pub trait Data: Send + Sync {
) -> Result<Option<PresenceEvent>>;
/// Returns the most recent presence updates that happened after the event with id `since`.
fn presence_since(
&self,
fn presence_since<'a>(
&'a self,
room_id: &RoomId,
since: u64,
) -> Result<HashMap<OwnedUserId, PresenceEvent>>;
) -> Result<Box<dyn Iterator<Item = (OwnedUserId, PresenceEvent)> + 'a>>;
fn presence_maintain(&self, timer_receiver: mpsc::UnboundedReceiver<Box<UserId>>)
fn presence_maintain(&self, timer_receiver: mpsc::UnboundedReceiver<OwnedUserId>)
-> Result<()>;
}

81
src/service/rooms/edus/presence/mod.rs
View file

@ -1,5 +1,4 @@
mod data;
use std::collections::HashMap;
pub use data::Data;
use ruma::{events::presence::PresenceEvent, OwnedUserId, RoomId, UserId};
@ -11,7 +10,7 @@ pub struct Service {
pub db: &'static dyn Data,
// Presence timers
timer_sender: mpsc::UnboundedSender<Box<UserId>>,
timer_sender: mpsc::UnboundedSender<OwnedUserId>,
}
impl Service {
@ -51,7 +50,11 @@ impl Service {
self.db.ping_presence(user_id)
}
pub fn get_last_presence_event(
pub fn last_presence_update(&self, user_id: &UserId) -> Result<Option<u64>> {
self.db.last_presence_update(user_id)
}
pub fn get_presence_event(
&self,
user_id: &UserId,
room_id: &RoomId,
@ -66,86 +69,18 @@ impl Service {
pub fn presence_maintain(
&self,
timer_receiver: mpsc::UnboundedReceiver<Box<UserId>>,
timer_receiver: mpsc::UnboundedReceiver<OwnedUserId>,
) -> Result<()> {
self.db.presence_maintain(timer_receiver)
}
/* TODO
/// Sets all users to offline who have been quiet for too long.
fn _presence_maintain(
&self,
rooms: &super::Rooms,
globals: &super::super::globals::Globals,
) -> Result<()> {
let current_timestamp = utils::millis_since_unix_epoch();
for (user_id_bytes, last_timestamp) in self
.userid_lastpresenceupdate
.iter()
.filter_map(|(k, bytes)| {
Some((
k,
utils::u64_from_bytes(&bytes)
.map_err(|_| {
Error::bad_database("Invalid timestamp in userid_lastpresenceupdate.")
})
.ok()?,
))
})
.take_while(|(_, timestamp)| current_timestamp.saturating_sub(*timestamp) > 5 * 60_000)
// 5 Minutes
{
// Send new presence events to set the user offline
let count = globals.next_count()?.to_be_bytes();
let user_id: Box<_> = utils::string_from_bytes(&user_id_bytes)
.map_err(|_| {
Error::bad_database("Invalid UserId bytes in userid_lastpresenceupdate.")
})?
.try_into()
.map_err(|_| Error::bad_database("Invalid UserId in userid_lastpresenceupdate."))?;
for room_id in rooms.rooms_joined(&user_id).filter_map(|r| r.ok()) {
let mut presence_id = room_id.as_bytes().to_vec();
presence_id.push(0xff);
presence_id.extend_from_slice(&count);
presence_id.push(0xff);
presence_id.extend_from_slice(&user_id_bytes);
self.presenceid_presence.insert(
&presence_id,
&serde_json::to_vec(&PresenceEvent {
content: PresenceEventContent {
avatar_url: None,
currently_active: None,
displayname: None,
last_active_ago: Some(
last_timestamp.try_into().expect("time is valid"),
),
presence: PresenceState::Offline,
status_msg: None,
},
sender: user_id.to_owned(),
})
.expect("PresenceEvent can be serialized"),
)?;
}
self.userid_lastpresenceupdate.insert(
user_id.as_bytes(),
&utils::millis_since_unix_epoch().to_be_bytes(),
)?;
}
Ok(())
}*/
/// Returns the most recent presence updates that happened after the event with id `since`.
#[tracing::instrument(skip(self, since, room_id))]
pub fn presence_since(
&self,
room_id: &RoomId,
since: u64,
) -> Result<HashMap<OwnedUserId, PresenceEvent>> {
) -> Result<Box<dyn Iterator<Item = (OwnedUserId, PresenceEvent)>>> {
self.db.presence_since(room_id, since)
}
}