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14 changed files with 1336 additions and 351 deletions

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Cargo.lock generated
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@ -14,18 +14,18 @@ dependencies = [
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@ -109,9 +109,9 @@ checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"
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@ -120,9 +120,9 @@ dependencies = [
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@ -319,12 +325,6 @@ dependencies = [
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dependencies = [
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<<<<<<< HEAD
"windows-sys 0.61.2",
=======
"windows-sys 0.52.0",
>>>>>>> e0dd9a085fd88168e714af0d6af88769af3aa644
]
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@ -998,9 +1014,9 @@ checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
[[package]]
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@ -1214,9 +1230,9 @@ dependencies = [
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@ -1363,9 +1379,9 @@ dependencies = [
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -1452,9 +1468,15 @@ dependencies = [
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version = "0.7.11"
<<<<<<< HEAD
version = "0.7.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "735a237deeff60124edd7831fcabce32b4b9f667d5c4c5688c9d18a2808422c4"
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=======
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checksum = "526f22bddf409e5f15449d55cf341647d7c16a1f43df9db9b05be106e4208e1c"
>>>>>>> e0dd9a085fd88168e714af0d6af88769af3aa644
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"pbjson-types",
@ -1531,12 +1553,12 @@ version = "0.1.1"
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@ -1581,7 +1603,7 @@ dependencies = [
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@ -1597,7 +1619,7 @@ dependencies = [
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source = "git+https://git.methanium.net/Methanium/mtp.git#a692bed326dbfc8eac1a05825f4a287cbab6fd3e"
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@ -1610,9 +1632,9 @@ dependencies = [
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@ -1623,7 +1645,7 @@ dependencies = [
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@ -1634,9 +1656,9 @@ dependencies = [
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source = "git+https://git.methanium.net/Methanium/mtp.git#a692bed326dbfc8eac1a05825f4a287cbab6fd3e"
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@ -1648,7 +1670,7 @@ dependencies = [
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@ -1656,24 +1678,24 @@ dependencies = [
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@ -1682,7 +1704,7 @@ dependencies = [
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@ -1700,7 +1722,7 @@ dependencies = [
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@ -2102,9 +2124,9 @@ dependencies = [
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@ -2327,7 +2339,11 @@ dependencies = [
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"socket2",
"tracing",
"windows-sys 0.59.0",
<<<<<<< HEAD
"windows-sys 0.61.2",
=======
"windows-sys 0.52.0",
>>>>>>> e0dd9a085fd88168e714af0d6af88769af3aa644
]
[[package]]
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@ -2581,14 +2597,18 @@ dependencies = [
"errno",
"libc",
"linux-raw-sys",
"windows-sys 0.59.0",
<<<<<<< HEAD
"windows-sys 0.61.2",
=======
"windows-sys 0.52.0",
>>>>>>> e0dd9a085fd88168e714af0d6af88769af3aa644
]
[[package]]
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@ -2640,7 +2660,11 @@ dependencies = [
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"webpki-root-certs",
"windows-sys 0.59.0",
<<<<<<< HEAD
"windows-sys 0.61.2",
=======
"windows-sys 0.52.0",
>>>>>>> e0dd9a085fd88168e714af0d6af88769af3aa644
]
[[package]]
@ -2844,7 +2868,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -2927,16 +2951,6 @@ dependencies = [
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@ -2944,7 +2958,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"windows-sys 0.59.0",
<<<<<<< HEAD
"windows-sys 0.61.2",
=======
"windows-sys 0.52.0",
>>>>>>> e0dd9a085fd88168e714af0d6af88769af3aa644
]
[[package]]
@ -3080,9 +3098,9 @@ dependencies = [
[[package]]
name = "time"
version = "0.3.54"
version = "0.3.55"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3e1d5e639ff6bab73cb6885cc7e7b1de96c3f32c68ec55f3952614bec1092244"
checksum = "cdb87b95ec50ddfa440816d227a17b2ccbdda963a316a727fda0fc4334f7d134"
dependencies = [
"deranged",
"num-conv",
@ -3152,13 +3170,13 @@ dependencies = [
[[package]]
name = "tokio-macros"
version = "2.7.1"
version = "2.7.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6328af13490e73a9b4694030fafd93f8c8c6a9dede33e821c3fc63eddf8042ba"
checksum = "78773a2a397f451582ce068015985c33193cf6dea8b74d2a639fe457b2f07b0e"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.119",
"syn 3.0.3",
]
[[package]]
@ -3596,7 +3614,11 @@ version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
dependencies = [
"windows-sys 0.59.0",
<<<<<<< HEAD
"windows-sys 0.61.2",
=======
"windows-sys 0.52.0",
>>>>>>> e0dd9a085fd88168e714af0d6af88769af3aa644
]
[[package]]
@ -3851,7 +3873,7 @@ version = "2.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c7e468321c81fb07fa7f4c636c3972b9100f0346e5b6a9f2bd0603a52f7ed277"
dependencies = [
"curve25519-dalek",
"curve25519-dalek 4.1.3",
"rand_core 0.6.4",
"serde",
"zeroize",
@ -3911,18 +3933,18 @@ dependencies = [
[[package]]
name = "zerocopy"
version = "0.8.55"
version = "0.8.56"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b5a105cd7b140f6eeec8acff2ea38135d3cab283ada58540f629fe51e46696eb"
checksum = "556764e583adb45a9f8d413c2a147fa7e8d821e48e12b14fd560b607998b75eb"
dependencies = [
"zerocopy-derive",
]
[[package]]
name = "zerocopy-derive"
version = "0.8.55"
version = "0.8.56"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0fe976fb70c78cd64cccfe3a6fc142244e8a77b70959b30faf9d0ac37ee228eb"
checksum = "f2ab42fc20575779bd240faa45f94a74256f755c0fa9e89f0ede20d91d0cdfc1"
dependencies = [
"proc-macro2",
"quote",

View file

@ -30,7 +30,7 @@ dotenv = "0.15.0"
strum = "0.28.0"
strum_macros = "0.28.0"
livekit-api = { version = "0.6.0", features = ["rustls-tls-native-roots"] }
livekit-protocol = "0.7.10"
livekit-protocol = "=0.7.10"
thiserror = "2.0.19"
trust-dns-resolver = "0.23.2"
serde_json = "1.0.151"

@ -1 +1 @@
Subproject commit f753cfd406fc0050a8ccd76a90897205efceacd8
Subproject commit 486541b9483356ff49ff3ec7016f87d3ecbeaa0e

View file

@ -8,7 +8,6 @@ use uuid::Uuid;
use crate::anonymous_clients::anonymous_manager::{self, generate_username};
use crate::app_state::AppState;
use crate::calls::call_group::call_invite_secret_from_cv;
use crate::data::user::UserStatus;
use crate::rho::connection::{GeneralConnection, MtpReceiver, MtpSender};
use crate::util::data_type_id;
use crate::util::logger::PrintType;
@ -222,9 +221,13 @@ impl AnonymousClientConnection {
.await;
}
// Handle client status changes
if cv.is_type(CommunicationType::ClientChanged) {
self.handle_client_changed(cv).await;
// Presence is account-scoped and anonymous sessions have no
// persisted account preference to change.
if cv.is_type(CommunicationType::SetUserState)
|| cv.is_type(CommunicationType::ClientChanged)
{
self.send_error_response(&cv.get_id(), CommunicationType::ErrorNoUserId)
.await;
return;
}
@ -299,7 +302,6 @@ impl AnonymousClientConnection {
if cv.is_type(CommunicationType::GetUserData)
|| cv.is_type(CommunicationType::GetIotaData)
|| cv.is_type(CommunicationType::DeleteUser)
{
self.handle_omega_forward(cv).await;
return;
@ -321,22 +323,6 @@ impl AnonymousClientConnection {
});
}
/// Handle client status change
async fn handle_client_changed(self: Arc<Self>, cv: CommunicationValue) {
if let DataValue::Str(status_str) = cv.get_data(DataType::UserState) {
let user_status = UserStatus::from_str(&status_str).unwrap_or(UserStatus::user_online);
self.state
.omega
.client_changed(
self.user_id as i64,
self.user_id as i64,
self.user_id as i64,
user_status,
)
.await;
}
}
/// Handle call invite
async fn handle_call_invite(self: Arc<Self>, cv: CommunicationValue) {
let receiver_id: i64 = cv.get_data(DataType::ReceiverId).as_number().unwrap_or(0) as i64;

View file

@ -1,10 +1,12 @@
use std::env;
use std::{env, time::Duration};
use thiserror::Error;
const DEFAULT_RHO_PORT: u16 = 443;
const DEFAULT_OMEGA_HOST: &str = "tensamin.net";
const DEFAULT_OMEGA_PORT: u16 = 9187;
const DEFAULT_OMEGA_SYNC_TIMEOUT_SECONDS: u64 = 20;
const DEFAULT_OMEGA_SYNC_RETRIES: u32 = 3;
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct LiveKitConfig {
@ -19,6 +21,11 @@ pub struct Config {
pub omega_host: String,
pub omega_port: u16,
pub omikron_id: u64,
/// Maximum duration of one route or subscription synchronization request.
pub omega_sync_timeout: Duration,
/// Number of synchronization requests before the transport is closed and
/// the normal reconnect loop starts.
pub omega_sync_retries: u32,
pub livekit: Option<LiveKitConfig>,
}
@ -38,6 +45,15 @@ impl Config {
let rho_port = parse_or_default("RHO_PORT", DEFAULT_RHO_PORT)?;
let omega_port = parse_or_default("OMEGA_PORT", DEFAULT_OMEGA_PORT)?;
let omikron_id = parse_or_default("ID", 0_u64)?;
// Each synchronization request is bounded by this timeout. After
// omega_sync_retries attempts, Omikron closes the authenticated
// transport so the normal reconnect loop can establish a clean state.
let omega_sync_timeout = Duration::from_secs(parse_or_default(
"OMEGA_SYNC_TIMEOUT_SECONDS",
DEFAULT_OMEGA_SYNC_TIMEOUT_SECONDS,
)?);
let omega_sync_retries =
parse_or_default("OMEGA_SYNC_RETRIES", DEFAULT_OMEGA_SYNC_RETRIES)?.max(1);
let omega_host = env::var("OMEGA_HOST")
.unwrap_or_else(|_| DEFAULT_OMEGA_HOST.to_string())
.trim()
@ -55,6 +71,8 @@ impl Config {
omega_host,
omega_port,
omikron_id,
omega_sync_timeout,
omega_sync_retries,
livekit: livekit_from_environment()?,
})
}

View file

@ -1,7 +1,4 @@
use strum::IntoEnumIterator;
use strum_macros::EnumIter;
#[derive(Debug, Clone, PartialEq, EnumIter, Eq)]
#[derive(Debug, Clone, PartialEq, Eq)]
#[allow(unused, non_camel_case_types)]
pub enum UserStatus {
user_offline,
@ -20,12 +17,40 @@ impl UserStatus {
pub fn to_string(&self) -> String {
format!("{:?}", self)
}
pub fn from_str(s: &str) -> Option<UserStatus> {
for sel in UserStatus::iter() {
if &sel.to_string() == s {
return Some(sel);
pub fn from_client_preference(s: &str) -> Option<Self> {
match s {
"user_online" => Some(Self::user_online),
"user_idle" => Some(Self::user_idle),
"user_dnd" => Some(Self::user_dnd),
"user_wc" => Some(Self::user_wc),
"user_invisible" => Some(Self::user_invisible),
_ => None,
}
}
None
pub fn public_value(&self) -> Self {
match self {
Self::user_invisible => Self::user_offline,
value => value.clone(),
}
}
pub fn from_str(s: &str) -> Option<Self> {
Self::from_client_preference(s)
}
}
#[cfg(test)]
mod tests {
use super::UserStatus;
#[test]
fn network_parser_rejects_derived_states() {
assert_eq!(UserStatus::from_str("user_offline"), None);
assert_eq!(UserStatus::from_str("iota_offline"), None);
assert_eq!(
UserStatus::from_str("user_online"),
Some(UserStatus::user_online)
);
}
}

145
src/omega/capabilities.rs Normal file
View file

@ -0,0 +1,145 @@
use std::collections::BTreeSet;
const OMIKRON_PREFIX: &str = "omikron;caps=";
const OMEGA_PREFIX: &str = "omega;caps=";
const SET_USER_STATE: &str = "set_user_state_v1";
const STATE_SUBSCRIBE: &str = "state_subscribe_v1";
const SESSION_SNAPSHOT: &str = "session_snapshot_v1";
const CLIENT_STATE_PUSH: &str = "client_state_push_v1";
#[derive(Clone, Debug, Default, PartialEq, Eq)]
pub struct PeerCapabilities {
pub set_user_state_v1: bool,
pub state_subscribe_v1: bool,
pub session_snapshot_v1: bool,
pub client_state_push_v1: bool,
}
impl PeerCapabilities {
pub fn current() -> Self {
Self {
set_user_state_v1: true,
state_subscribe_v1: true,
session_snapshot_v1: true,
client_state_push_v1: true,
}
}
pub fn identification_description(&self) -> String {
let mut names = Vec::new();
if self.set_user_state_v1 {
names.push(SET_USER_STATE);
}
if self.state_subscribe_v1 {
names.push(STATE_SUBSCRIBE);
}
if self.session_snapshot_v1 {
names.push(SESSION_SNAPSHOT);
}
if self.client_state_push_v1 {
names.push(CLIENT_STATE_PUSH);
}
format!("{OMIKRON_PREFIX}{}", names.join(","))
}
pub fn from_identification_description(description: Option<&str>) -> Result<Self, ()> {
parse_capabilities(description, OMIKRON_PREFIX)
}
pub fn from_omega_identification_description(description: Option<&str>) -> Result<Self, ()> {
// A missing Omega descriptor selects the documented legacy wire
// contracts: tuple route snapshots, GetStates-only subscriptions,
// and ClientChanged pushes.
parse_capabilities(description, OMEGA_PREFIX)
}
}
fn parse_capabilities(description: Option<&str>, prefix: &str) -> Result<PeerCapabilities, ()> {
let Some(description) = description else {
return Ok(PeerCapabilities::default());
};
if description == "omega" {
return Ok(PeerCapabilities::default());
}
let Some(capabilities) = description.strip_prefix(prefix) else {
return Err(());
};
let mut seen = BTreeSet::new();
for capability in capabilities.split(',') {
if capability.is_empty() || !seen.insert(capability) {
return Err(());
}
}
if seen.iter().any(|capability| {
!matches!(
*capability,
SET_USER_STATE | STATE_SUBSCRIBE | SESSION_SNAPSHOT | CLIENT_STATE_PUSH
)
}) {
return Err(());
}
Ok(PeerCapabilities {
set_user_state_v1: seen.contains(SET_USER_STATE),
state_subscribe_v1: seen.contains(STATE_SUBSCRIBE),
session_snapshot_v1: seen.contains(SESSION_SNAPSHOT),
client_state_push_v1: seen.contains(CLIENT_STATE_PUSH),
})
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn capability_description_round_trips() {
let capabilities = PeerCapabilities::current();
assert_eq!(
PeerCapabilities::from_identification_description(Some(
&capabilities.identification_description()
)),
Ok(capabilities)
);
}
#[test]
fn malformed_capabilities_are_rejected() {
assert!(
PeerCapabilities::from_identification_description(Some("omikron;caps=unknown_v9"))
.is_err()
);
assert!(
PeerCapabilities::from_identification_description(Some(
"omikron;caps=state_subscribe_v1,state_subscribe_v1"
))
.is_err()
);
assert!(PeerCapabilities::from_identification_description(Some("omikron;caps=")).is_err());
}
#[test]
fn missing_capabilities_mean_legacy_peer() {
assert_eq!(
PeerCapabilities::from_identification_description(None),
Ok(PeerCapabilities::default())
);
assert_eq!(
PeerCapabilities::from_omega_identification_description(Some("omega")),
Ok(PeerCapabilities::default())
);
}
#[test]
fn omega_capabilities_use_the_omega_namespace() {
assert!(
PeerCapabilities::from_omega_identification_description(Some(
"omega;caps=set_user_state_v1"
))
.unwrap()
.set_user_state_v1
);
assert!(
PeerCapabilities::from_identification_description(Some("omega;caps=set_user_state_v1"))
.is_err()
);
}
}

View file

@ -1 +1,2 @@
pub mod capabilities;
pub mod omega_connection;

View file

@ -1,6 +1,9 @@
use super::capabilities::PeerCapabilities;
use crate::{
config::Config, data::user::UserStatus, log_cv_in, log_cv_out, log_err, log_in, log_out,
rho::rho_manager::RhoManager, util::logger::PrintType,
config::Config,
log_cv_in, log_cv_out, log_err, log_in, log_out,
rho::rho_manager::RhoManager,
util::{data_type_id, logger::PrintType},
};
use dashmap::DashMap;
use mtp::client::{Client, MTPConnection, Sender};
@ -13,7 +16,7 @@ use mtp::{
use mtp_transport::ConnectionHandle;
use std::{sync::Arc, time::Duration};
use tokio::{
sync::{Mutex, RwLock, mpsc, watch},
sync::{Mutex, RwLock, mpsc, oneshot, watch},
task::JoinHandle,
time::{Instant, sleep},
};
@ -23,6 +26,7 @@ use uuid::Uuid;
const RECONNECT_DELAY: Duration = Duration::from_secs(5);
const MAX_RECONNECT_DELAY: Duration = Duration::from_secs(300);
const CONNECTION_TIMEOUT: Duration = Duration::from_secs(10);
const CAPABILITY_NEGOTIATION_TIMEOUT: Duration = Duration::from_secs(1);
const PING_INTERVAL: Duration = Duration::from_secs(5);
const TASK_CLEANUP_INTERVAL: Duration = Duration::from_secs(60);
const TASK_MAX_AGE: Duration = Duration::from_secs(60);
@ -30,6 +34,37 @@ const MAX_CONCURRENT_REQUESTS: usize = 128;
const CIRCUIT_BREAKER_FAILURE_THRESHOLD: u32 = 3;
const CIRCUIT_BREAKER_COOLDOWN: Duration = Duration::from_secs(30);
fn client_changed_target(value: &CommunicationValue) -> Option<(i64, i64)> {
if !value.is_type(CommunicationType::ClientChanged) {
return None;
}
let receiver = i64::try_from(value.get_receiver())
.ok()
.filter(|id| *id > 0)?;
let session_id = value
.get_data(DataType::SessionId)
.as_signed_number()
.and_then(|id| i64::try_from(id).ok())
.filter(|id| *id > 0)?;
value
.get_data(DataType::UserId)
.as_signed_number()
.and_then(|id| i64::try_from(id).ok())
.filter(|id| *id > 0)?;
value.get_data(DataType::UserState).as_str()?;
Some((receiver, session_id))
}
fn parse_omega_capability_response(value: &CommunicationValue) -> Result<PeerCapabilities, String> {
if !value.is_type(CommunicationType::IdentificationResponse) {
return Err("not an identification response".to_string());
}
PeerCapabilities::from_omega_identification_description(
value.get_data(DataType::Description).as_str(),
)
.map_err(|_| "Omega advertised an invalid capability set".to_string())
}
// ============================================================================
// Waiting Task System
// ============================================================================
@ -85,24 +120,33 @@ pub fn start_task_cleanup_loop(omega: Arc<OmegaConnection>) {
pub enum ConnectionState {
Disconnected,
Connecting,
Connected { identified: bool },
Identifying,
SynchronizingRoutes,
SynchronizingSubscriptions,
Ready,
}
#[allow(unused_variables)]
impl ConnectionState {
pub fn is_connected(&self) -> bool {
match self {
ConnectionState::Connected { identified } => true,
_ => false,
}
!matches!(
self,
ConnectionState::Disconnected | ConnectionState::Connecting
)
}
#[allow(dead_code)]
pub fn is_identified(&self) -> bool {
match self {
ConnectionState::Connected { identified: true } => true,
_ => false,
matches!(
self,
ConnectionState::SynchronizingRoutes
| ConnectionState::SynchronizingSubscriptions
| ConnectionState::Ready
)
}
pub fn is_ready(&self) -> bool {
matches!(self, ConnectionState::Ready)
}
}
@ -117,6 +161,8 @@ pub struct OmegaConnection {
host: String,
port: u16,
omikron_id: u64,
sync_timeout: Duration,
sync_retries: u32,
pub connection_id: Uuid,
shutdown_tx: Arc<Mutex<Option<watch::Sender<bool>>>>,
// Track if we should reconnect on close
@ -126,6 +172,14 @@ pub struct OmegaConnection {
keyring: mtp::crypto::Keyring,
rho: Arc<RhoManager>,
waiting_tasks: DashMap<u32, WaitingTask>,
session_presence: DashMap<(i64, i64), SessionPresenceState>,
peer_capabilities: Arc<RwLock<PeerCapabilities>>,
}
#[derive(Clone, Debug, Default, PartialEq, Eq)]
pub struct SessionPresenceState {
pub subscribed_user_ids: Vec<i64>,
pub pending: bool,
}
impl OmegaConnection {
@ -143,6 +197,8 @@ impl OmegaConnection {
host: config.omega_host.clone(),
port: config.omega_port,
omikron_id: config.omikron_id,
sync_timeout: config.omega_sync_timeout,
sync_retries: config.omega_sync_retries,
connection_id: Uuid::new_v4(),
shutdown_tx: Arc::new(Mutex::new(Some(shutdown_tx))),
reconnect_on_close: Arc::new(RwLock::new(true)),
@ -154,6 +210,8 @@ impl OmegaConnection {
keyring,
rho,
waiting_tasks: DashMap::new(),
session_presence: DashMap::new(),
peer_capabilities: Arc::new(RwLock::new(PeerCapabilities::default())),
}
}
@ -267,6 +325,7 @@ impl OmegaConnection {
let client_config = ClientConfig::new(format!("https://{}:{}", self.host, self.port))
.with_client_id(self.omikron_id)
.with_description(PeerCapabilities::current().identification_description())
.with_policy(
Policy::default()
.with_send_mode(SendMode::SingleStreamPerMessage)
@ -302,18 +361,43 @@ impl OmegaConnection {
// Store sender
let sender_arc = Arc::new(connection.sender.clone());
*self.sender.write().await = Some(sender_arc.clone());
*self.state.write().await = ConnectionState::Connected { identified: false };
// A new authenticated transport gets a fresh request circuit. A
// previous transport can have failed while synchronizing and must not
// prevent this connection from making its initial requests.
self.circuit_breaker.lock().await.record_success();
*self.state.write().await = ConnectionState::Identifying;
// Get handle for close monitoring
let sender_handle = sender_arc.handle().clone();
let connection = Arc::new(connection);
let (capability_tx, capability_rx) = oneshot::channel();
// Start read loop
let read_self = self.clone();
let read_handle = tokio::spawn(async move {
read_self.read_loop(connection, sender_handle).await;
read_self
.read_loop(connection, sender_handle, Some(capability_tx))
.await;
});
let negotiated_capabilities =
match tokio::time::timeout(CAPABILITY_NEGOTIATION_TIMEOUT, capability_rx).await {
Ok(Ok(Ok(capabilities))) => capabilities,
Ok(Ok(Err(error))) => {
self.fail_synchronization("capability negotiation", error)
.await;
let _ = read_handle.await;
return Err("Omega capability negotiation failed".to_string());
}
Ok(Err(_)) | Err(_) => {
// An Omega from before capability negotiation sends no second
// identification response. Fall back to its documented
// legacy contracts rather than guessing modern support.
PeerCapabilities::default()
}
};
*self.peer_capabilities.write().await = negotiated_capabilities;
// Tell omega our current state now that we're actually connected -
// doing this after teardown (as before) sent into a sender that had
// already been cleared, silently dropping the sync every time.
@ -354,8 +438,10 @@ impl OmegaConnection {
}
}
async fn sync_client_iota_status(self: Arc<Self>) {
async fn sync_client_iota_status(&self) {
*self.state.write().await = ConnectionState::SynchronizingRoutes;
let mut connected_iota_ids: Vec<DataValue> = Vec::new();
let mut connected_sessions: Vec<DataValue> = Vec::new();
let mut connected_user_ids: Vec<DataValue> = Vec::new();
let iota_ids = self.rho.iota_ids().await;
@ -367,21 +453,120 @@ impl OmegaConnection {
for rho in rho_connections {
for client_conn in rho.get_client_connections().await {
connected_user_ids.push(DataValue::SignedNumber(
client_conn.get_user_id().await.into(),
));
let type_map = mtp::codec::TypeMap::latest();
let user_id = DataValue::SignedNumber(client_conn.get_user_id().await.into());
let session_id = DataValue::SignedNumber((client_conn.session_id as i128).into());
let iota_id = DataValue::SignedNumber((rho.get_iota_id().await as i128).into());
let peer_capabilities = self.peer_capabilities.read().await.clone();
if peer_capabilities.session_snapshot_v1 {
connected_sessions.push(DataValue::Container(vec![
(data_type_id(DataType::UserId, &type_map), user_id),
(data_type_id(DataType::SessionId, &type_map), session_id),
(data_type_id(DataType::IotaId, &type_map), iota_id),
]));
} else {
connected_user_ids.push(user_id);
}
}
}
let sync_msg = CommunicationValue::new(CommunicationType::SyncClientIotaStatus)
let peer_capabilities = self.peer_capabilities.read().await.clone();
let sync_msg = if peer_capabilities.session_snapshot_v1 {
CommunicationValue::new(CommunicationType::SyncClientIotaStatus)
.add_typed_default(DataType::IotaIds, DataValue::Array(connected_iota_ids))
.add_typed_default(DataType::UserStates, DataValue::Array(connected_sessions))
.add_typed_default(
DataType::RhoConnections,
DataValue::SignedNumber(self.rho.connection_count().await as i128),
)
} else {
// Legacy Omega has no request/response contract for this message.
// Its exact snapshot is IotaIds + UserIds + RhoConnections.
CommunicationValue::new(CommunicationType::SyncClientIotaStatus)
.add_typed_default(DataType::IotaIds, DataValue::Array(connected_iota_ids))
.add_typed_default(DataType::UserIds, DataValue::Array(connected_user_ids))
.add_typed_default(
DataType::RhoConnections,
DataValue::SignedNumber(self.rho.connection_count().await as i128),
);
)
};
self.send_message(&sync_msg).await;
if !peer_capabilities.session_snapshot_v1 {
if let Err(error) = self.send_message_result(&sync_msg).await {
self.fail_synchronization("legacy route synchronization", error)
.await;
return;
}
*self.state.write().await = ConnectionState::SynchronizingSubscriptions;
if let Err(error) = self.restore_presence_subscriptions().await {
self.fail_synchronization("subscription restoration", error)
.await;
return;
}
*self.state.write().await = ConnectionState::Ready;
return;
}
let mut response = Err("route synchronization did not start".to_string());
for attempt in 0..self.sync_retries {
response = self
.await_response(&sync_msg, Some(self.sync_timeout))
.await;
match &response {
Ok(value) if value.is_type(CommunicationType::Success) => break,
Ok(value) if value.is_type(CommunicationType::ErrorInvalidData) => break,
_ if attempt + 1 < self.sync_retries => {
sleep(Duration::from_millis(250 * 2u64.pow(attempt))).await
}
_ => break,
}
}
match response {
Ok(response) if response.is_type(CommunicationType::Success) => {
*self.state.write().await = ConnectionState::SynchronizingSubscriptions;
if let Err(error) = self.restore_presence_subscriptions().await {
log_err!(
0,
PrintType::Omega,
"Presence subscription restoration failed: {}",
error
);
self.fail_synchronization("subscription restoration", error)
.await;
return;
}
*self.state.write().await = ConnectionState::Ready;
}
Ok(response) => {
let error = format!(
"Omega rejected presence snapshot with {}",
response.get_type()
);
self.fail_synchronization("route synchronization", error)
.await;
return;
}
Err(error) => {
self.fail_synchronization("route synchronization", error)
.await;
return;
}
}
}
async fn fail_synchronization(&self, phase: &str, error: String) {
log_err!(
0,
PrintType::Omega,
"Omega {} failed after {} attempts: {}; closing transport for reconnect",
phase,
self.sync_retries,
error
);
*self.state.write().await = ConnectionState::Disconnected;
if let Some(sender) = self.sender.read().await.as_ref() {
sender.close().await;
}
}
// -------------------------------------------------------------------------
@ -392,6 +577,7 @@ impl OmegaConnection {
self: Arc<Self>,
connection: Arc<MTPConnection>,
sender_handle: Arc<ConnectionHandle>,
mut capability_tx: Option<oneshot::Sender<Result<PeerCapabilities, String>>>,
) {
// Monitor both receiver and sender handle for close
let mut close_rx = sender_handle.subscribe_close();
@ -403,6 +589,14 @@ impl OmegaConnection {
Ok(cv) => {
log_cv_in!(PrintType::Omega, &cv);
if cv.is_type(CommunicationType::IdentificationResponse) {
if let Some(tx) = capability_tx.take() {
let result = parse_omega_capability_response(&cv);
let _ = tx.send(result);
}
continue;
}
let msg_id = cv.get_id();
if let Some((_, task)) = self.waiting_tasks.remove(&msg_id) {
if (task.task)(self.clone(), cv.clone()) {
@ -430,6 +624,36 @@ impl OmegaConnection {
}
}
}
if cv.is_type(CommunicationType::EraseHostedUserData) {
let Some(iota_id) = cv
.get_data(DataType::IotaId)
.as_number()
.and_then(|id| i64::try_from(id).ok())
else {
log_err!(0, PrintType::Omega, "Discarded hosted-data erasure without IotaId");
continue;
};
if let Some(rho) = self.rho.get_by_iota(iota_id).await {
rho.get_iota_connection().send_message(&cv).await;
} else {
log_err!(iota_id, PrintType::Omega, "Hosted-data erasure is pending because the Iota is offline");
}
continue;
}
if cv.is_type(CommunicationType::ClientChanged) {
let Some((receiver, session_id)) = client_changed_target(&cv)
else {
continue;
};
if let Some(client) = self
.rho
.get_client_connection(receiver, session_id)
.await
{
client.send_message(&cv).await;
}
continue;
}
}
Err(e) => {
log_err!(0, PrintType::Omega, "Receive error: {}", e);
@ -488,6 +712,14 @@ impl OmegaConnection {
let _ = self.try_send_message(cv).await;
}
pub async fn send_message_result(&self, cv: &CommunicationValue) -> Result<(), String> {
self.try_send_message(cv).await
}
pub async fn supports_set_user_state(&self) -> bool {
self.peer_capabilities.read().await.set_user_state_v1
}
pub async fn await_connection(&self, timeout_duration: Option<Duration>) -> Result<(), String> {
if self.state.read().await.is_connected() {
return Ok(());
@ -607,72 +839,371 @@ impl OmegaConnection {
self.state.read().await.is_identified()
}
pub async fn is_ready(&self) -> bool {
self.state.read().await.is_ready()
}
#[allow(dead_code)]
pub async fn close_iota(&self, iota_id: i64) {
pub async fn close_iota(&self, iota_id: i64) -> Result<(), String> {
let cv = CommunicationValue::new(CommunicationType::IotaDisconnected)
.add_typed_default(DataType::IotaId, DataValue::SignedNumber(iota_id.into()));
self.send_message(&cv).await;
let request_id = cv.get_id();
let result = self.lifecycle_request(&cv).await;
if let Err(error) = &result {
self.log_lifecycle_failure("IotaDisconnected", iota_id, None, request_id, error);
self.sync_client_iota_status().await;
}
result
}
pub async fn client_changed(
&self,
_iota_id: i64,
user_id: i64,
session_id: i64,
state: UserStatus,
) {
let cv = CommunicationValue::new(CommunicationType::ClientChanged)
.add_typed_default(DataType::UserId, DataValue::SignedNumber(user_id.into()))
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id.into()),
)
.add_typed_default(DataType::UserState, DataValue::Str(state.to_string()));
self.send_message(&cv).await;
}
pub async fn client_disconnected(&self, user_id: i64, session_id: i64) {
pub async fn client_disconnected(&self, user_id: i64, session_id: i64) -> Result<(), String> {
self.session_presence.remove(&(user_id, session_id));
let cv = CommunicationValue::new(CommunicationType::UserDisconnected)
.add_typed_default(DataType::UserId, DataValue::SignedNumber(user_id.into()))
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id.into()),
);
self.send_message(&cv).await;
let request_id = cv.get_id();
let result = self.lifecycle_request(&cv).await;
if let Err(error) = &result {
self.log_lifecycle_failure(
"UserDisconnected",
user_id,
Some(session_id),
request_id,
error,
);
self.sync_client_iota_status().await;
}
result
}
pub async fn user_states(&self, user_id: i64, user_ids: Vec<i64>) {
let user_ids = user_ids
.iter()
.map(|v| DataValue::SignedNumber((*v).into()))
.collect();
let cv = CommunicationValue::new(CommunicationType::GetStates)
.add_typed_default(DataType::UserIds, DataValue::Array(user_ids));
let msg_id = cv.get_id();
let rho_manager = self.rho.clone();
self.waiting_tasks.insert(
msg_id,
WaitingTask {
task: Box::new(
move |_: Arc<OmegaConnection>, response: CommunicationValue| {
let rho_manager = rho_manager.clone();
tokio::spawn(async move {
let rho = rho_manager.get_for_user(user_id).await;
if let Some(rho) = rho {
for client in rho.get_client_connections_for_user(user_id).await {
client.send_message(&response).await;
}
}
});
true
},
pub async fn user_connected(
&self,
user_id: i64,
session_id: i64,
iota_id: i64,
) -> Result<(), String> {
let request = CommunicationValue::new(CommunicationType::UserConnected)
.add_typed_default(DataType::UserId, DataValue::SignedNumber(user_id.into()))
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id.into()),
)
.add_typed_default(DataType::IotaId, DataValue::SignedNumber(iota_id.into()))
.add_typed_default(
DataType::UserState,
DataValue::Str("user_online".to_string()),
)
.add_typed_default(
DataType::UpdatedAt,
DataValue::SignedNumber(
std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.unwrap_or_default()
.as_millis() as i128,
),
inserted_at: Instant::now(),
);
let request_id = request.get_id();
let result = self.lifecycle_request(&request).await;
if let Err(error) = &result {
self.log_lifecycle_failure(
"UserConnected",
user_id,
Some(session_id),
request_id,
error,
);
self.sync_client_iota_status().await;
}
result
}
pub async fn iota_connected(&self, iota_id: i64) -> Result<(), String> {
let request = CommunicationValue::new(CommunicationType::IotaConnected)
.add_typed_default(DataType::IotaId, DataValue::SignedNumber(iota_id.into()));
let request_id = request.get_id();
let result = self.lifecycle_request(&request).await;
if let Err(error) = &result {
self.log_lifecycle_failure("IotaConnected", iota_id, None, request_id, error);
self.sync_client_iota_status().await;
}
result
}
pub async fn reconcile_routes(&self) {
self.sync_client_iota_status().await;
}
async fn lifecycle_request(&self, request: &CommunicationValue) -> Result<(), String> {
if !self.is_ready().await {
return Err("Omega is not synchronized".to_string());
}
if !self.peer_capabilities.read().await.session_snapshot_v1 {
// Legacy Omega handles lifecycle messages as notifications and
// never returns Success. A transport-level send result is the
// only acknowledgement available under that contract.
return self.send_message_result(request).await;
}
let response = self
.await_response(request, Some(Duration::from_secs(20)))
.await?;
if response.is_type(CommunicationType::Success) {
Ok(())
} else {
Err(format!("Omega rejected {}", response.get_type()))
}
}
fn log_lifecycle_failure(
&self,
operation: &str,
entity_id: i64,
session_id: Option<i64>,
request_id: u32,
error: &str,
) {
log_err!(
0,
PrintType::Omega,
"Lifecycle operation={} entity_id={} session_id={:?} request_id={} failed: {}",
operation,
entity_id,
session_id,
request_id,
error
);
}
pub async fn replace_state_subscription(
&self,
user_id: i64,
session_id: i64,
mut user_ids: Vec<i64>,
) -> Result<(), String> {
if user_id <= 0 || session_id <= 0 {
return Err("invalid user or session id".to_string());
}
user_ids.sort_unstable();
user_ids.dedup();
let key = (user_id, session_id);
// Store the latest authoritative snapshot before checking readiness.
// A client can synchronize while the transport is reconnecting.
self.session_presence.insert(
key,
SessionPresenceState {
subscribed_user_ids: user_ids.clone(),
pending: true,
},
);
self.send_message(&cv).await;
if !self.is_ready().await {
return Err("Omega is not synchronized".to_string());
}
self.deliver_state_subscription(key, user_ids).await
}
async fn deliver_state_subscription(
&self,
key: (i64, i64),
user_ids: Vec<i64>,
) -> Result<(), String> {
let (user_id, session_id) = key;
if !self.peer_capabilities.read().await.state_subscribe_v1 {
let delivered_ids = user_ids.clone();
let result = self
.request_user_states(user_id, session_id, user_ids)
.await;
if result.is_ok() {
self.mark_presence_delivered(key, &delivered_ids).await;
}
return result;
}
let subscription = CommunicationValue::new(CommunicationType::StateSubscribe)
.with_sender(user_id as u64)
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id.into()),
)
.add_typed_default(
DataType::UserIds,
DataValue::Array(
user_ids
.iter()
.map(|user_id| DataValue::SignedNumber((*user_id).into()))
.collect(),
),
);
let response = self
.await_response(&subscription, Some(Duration::from_secs(20)))
.await?;
if !response.is_type(CommunicationType::Success) {
return Err(format!(
"StateSubscribe rejected with {}",
response.get_type()
));
}
let delivered_ids = user_ids.clone();
self.request_user_states(user_id, session_id, user_ids)
.await?;
self.mark_presence_delivered(key, &delivered_ids).await;
Ok(())
}
async fn restore_presence_subscriptions(&self) -> Result<(), String> {
let mut active = Vec::new();
for rho in self.rho.connections().await {
active.extend(rho.get_client_connections().await);
}
let active_keys: std::collections::HashSet<_> = active
.iter()
.map(|client| (client.user_id as i64, client.session_id as i64))
.collect();
// Do not replay subscriptions for sessions that disappeared while the
// transport was down.
self.session_presence
.retain(|key, _| active_keys.contains(key));
for key in active_keys {
let Some(snapshot) = self.session_presence.get(&key).map(|entry| entry.clone()) else {
continue;
};
if !snapshot.pending {
continue;
}
self.deliver_state_subscription(key, snapshot.subscribed_user_ids)
.await?;
}
Ok(())
}
async fn mark_presence_delivered(&self, key: (i64, i64), delivered_ids: &[i64]) {
if let Some(mut entry) = self.session_presence.get_mut(&key)
&& entry.subscribed_user_ids == delivered_ids
{
entry.pending = false;
}
}
async fn request_user_states(
&self,
user_id: i64,
session_id: i64,
user_ids: Vec<i64>,
) -> Result<(), String> {
let request = CommunicationValue::new(CommunicationType::GetStates)
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id.into()),
)
.add_typed_default(
DataType::UserIds,
DataValue::Array(
user_ids
.iter()
.map(|user_id| DataValue::SignedNumber((*user_id).into()))
.collect(),
),
);
let response = self
.await_response(&request, Some(Duration::from_secs(20)))
.await?;
let legacy_peer = !self.peer_capabilities.read().await.client_state_push_v1;
let response =
if legacy_peer && response.get_data(DataType::SessionId).as_number().is_none() {
response.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id.into()),
)
} else {
response
};
if !legacy_peer
&& response.get_data(DataType::SessionId).as_number() != Some(session_id as i128)
{
return Err("GetStates response had the wrong session".to_string());
}
if let Some(client) = self.rho.get_client_connection(user_id, session_id).await {
client.send_message(&response).await;
}
Ok(())
}
}
#[cfg(test)]
mod tests {
use super::{PeerCapabilities, client_changed_target, parse_omega_capability_response};
use mtp::codec::{CommunicationType, CommunicationValue, DataType, DataValue};
fn notification() -> CommunicationValue {
CommunicationValue::new(CommunicationType::ClientChanged)
.with_receiver(7)
.add_typed_default(DataType::SessionId, DataValue::SignedNumber(11))
.add_typed_default(DataType::UserId, DataValue::SignedNumber(20))
.add_typed_default(DataType::UserState, DataValue::Str("user_online".into()))
}
#[test]
fn client_changed_target_requires_all_routing_fields() {
assert_eq!(client_changed_target(&notification()), Some((7, 11)));
let mut missing_session = notification();
missing_session.remove_data(DataType::SessionId);
assert_eq!(client_changed_target(&missing_session), None);
let mut missing_state = notification();
missing_state.remove_data(DataType::UserState);
assert_eq!(client_changed_target(&missing_state), None);
}
#[test]
fn client_changed_target_rejects_non_positive_ids() {
let invalid = CommunicationValue::new(CommunicationType::ClientChanged)
.with_receiver(0)
.add_typed_default(DataType::SessionId, DataValue::SignedNumber(11))
.add_typed_default(DataType::UserId, DataValue::SignedNumber(20))
.add_typed_default(DataType::UserState, DataValue::Str("user_online".into()));
assert_eq!(client_changed_target(&invalid), None);
}
#[test]
fn capability_response_negotiates_new_omega() {
let response = CommunicationValue::new(CommunicationType::IdentificationResponse)
.add_typed_default(
DataType::Description,
DataValue::Str(
"omega;caps=set_user_state_v1,state_subscribe_v1,session_snapshot_v1,client_state_push_v1"
.into(),
),
);
let capabilities = parse_omega_capability_response(&response).unwrap();
assert!(capabilities.state_subscribe_v1);
assert!(capabilities.client_state_push_v1);
}
#[test]
fn missing_capability_response_is_legacy() {
let response = CommunicationValue::new(CommunicationType::IdentificationResponse);
let capabilities = parse_omega_capability_response(&response).unwrap();
assert_eq!(capabilities, PeerCapabilities::default());
}
#[test]
fn unsupported_capability_response_is_rejected() {
let response = CommunicationValue::new(CommunicationType::IdentificationResponse)
.add_typed_default(
DataType::Description,
DataValue::Str("omega;caps=unsupported_v9".into()),
);
assert!(parse_omega_capability_response(&response).is_err());
}
}

View file

@ -24,7 +24,6 @@ pub struct ClientConnection {
pub receiver: Arc<MtpReceiver>,
pub_key: Arc<RwLock<Option<Vec<u8>>>>,
pub rho_connection: Arc<RwLock<Option<Arc<RhoConnection>>>>,
pub interested_users: Arc<RwLock<Vec<i64>>>,
is_open: Arc<RwLock<bool>>,
message_slots: Arc<tokio::sync::Semaphore>,
}
@ -35,7 +34,6 @@ impl ClientConnection {
state: general.state.clone(),
pub_key: Arc::new(RwLock::new(None)),
rho_connection: general.rho_connection.clone(),
interested_users: Arc::new(RwLock::new(Vec::new())),
is_open: Arc::new(RwLock::new(true)),
sender: general.sender.clone(),
receiver: general.receiver.clone(),
@ -79,6 +77,12 @@ impl ClientConnection {
*self.rho_connection.write().await = Some(rho_connection);
}
/// A membership snapshot can remove an account from an Iota while keeping
/// its authenticated Omega connection alive.
pub async fn clear_rho_connection(&self) {
*self.rho_connection.write().await = None;
}
/// Send a CommunicationValue to the client
pub async fn send_message(self: Arc<Self>, cv: &CommunicationValue) {
if !*self.is_open.read().await {
@ -104,9 +108,26 @@ impl ClientConnection {
let mut cv = cv;
// Handle client status changes
if cv.is_type(CommunicationType::ClientChanged) {
self.handle_client_changed(cv).await;
if cv.is_type(CommunicationType::SetUserState) {
self.handle_set_user_state(cv).await;
return;
}
// Compatibility for clients predating SetUserState. The target
// user fields, if present, are deliberately ignored: an
// authenticated connection may only change its own state.
if cv.is_type(CommunicationType::ClientChanged)
&& cv.get_data_opt(DataType::UserState).is_some()
{
self.handle_set_user_state(
CommunicationValue::new(CommunicationType::SetUserState)
.with_id(cv.get_id())
.add_typed_default(
DataType::UserState,
cv.get_data(DataType::UserState).clone(),
),
)
.await;
return;
}
@ -191,6 +212,46 @@ impl ClientConnection {
|| cv.is_type(CommunicationType::GetIotaData)
|| cv.is_type(CommunicationType::DeleteUser)
{
if cv.is_type(CommunicationType::ChangeUserData)
&& cv.get_data_opt(DataType::OnlineStatus).is_some()
{
let mut profile_request = cv.clone();
let preference = profile_request.remove_data(DataType::OnlineStatus);
let state_request = CommunicationValue::new(CommunicationType::SetUserState)
.with_id(cv.get_id())
.add_typed_default(DataType::UserState, preference.unwrap());
let state_response = match self.request_set_user_state(state_request).await {
Ok(response) => response,
Err(error_type) => {
self.send_error_response(cv.get_id(), error_type).await;
return;
}
};
if !state_response.is_type(CommunicationType::Success) {
self.send_message(&state_response).await;
return;
}
if profile_request.data_len() == 0 {
self.send_message(&state_response).await;
return;
}
match self
.await_omega_response(profile_request.with_sender(self.user_id))
.await
{
Ok(response) if response.is_type(CommunicationType::Success) => {
self.send_message(&response).await;
}
Ok(response) => self.send_message(&response).await,
Err(_) => {
self.send_error_response(cv.get_id(), CommunicationType::ErrorInternal)
.await;
}
}
return;
}
let sender = self.get_user_id().await;
self.handle_omega_forward(cv.with_sender(sender as u64))
.await;
@ -290,34 +351,91 @@ impl ClientConnection {
});
}
async fn handle_omega_forward(self: Arc<Self>, cv: CommunicationValue) {
let client_for_closure = self.clone();
let response_cv = self
.state
.omega
.clone()
.await_response(&cv.with_sender(self.user_id), Some(Duration::from_secs(20)))
let request_id = cv.get_id();
match self.await_omega_response(cv).await {
Ok(response_cv) => self.send_message(&response_cv).await,
Err(_) => {
self.send_error_response(request_id, CommunicationType::ErrorInternal)
.await;
if let Ok(response_cv) = response_cv {
client_for_closure.send_message(&response_cv).await;
}
}
}
/// Handle client status change
async fn handle_client_changed(self: Arc<Self>, cv: CommunicationValue) {
let user_id = self.get_user_id().await;
if let DataValue::Str(status_str) = cv.get_data(DataType::UserState) {
let user_status = UserStatus::from_str(&status_str).unwrap_or(UserStatus::user_online);
if let Some(rho_conn) = self.get_rho_connection().await {
async fn await_omega_response(&self, cv: CommunicationValue) -> Result<CommunicationValue, ()> {
self.state
.omega
.client_changed(
rho_conn.get_iota_id().await as i64,
user_id as i64,
self.session_id as i64,
user_status,
)
.await;
.clone()
.await_response(&cv.with_sender(self.user_id), Some(Duration::from_secs(20)))
.await
.map_err(|_| ())
}
async fn request_set_user_state(
&self,
cv: CommunicationValue,
) -> Result<CommunicationValue, CommunicationType> {
if !self.state.omega.is_ready().await {
return Err(CommunicationType::ErrorInternal);
}
let Some(state) = cv
.get_data(DataType::UserState)
.as_str()
.and_then(UserStatus::from_client_preference)
else {
return Err(CommunicationType::ErrorInvalidData);
};
let Some(rho) = self.get_rho_connection().await else {
return Err(CommunicationType::ErrorNoIota);
};
let request = if self.state.omega.supports_set_user_state().await {
CommunicationValue::new(CommunicationType::SetUserState)
.with_id(cv.get_id())
.with_sender(self.user_id)
.add_typed_default(
DataType::UserId,
DataValue::SignedNumber(self.user_id as i128),
)
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(self.session_id as i128),
)
.add_typed_default(
DataType::IotaId,
DataValue::SignedNumber(rho.get_iota_id().await as i128),
)
.add_typed_default(DataType::UserState, DataValue::Str(state.to_string()))
} else {
// Legacy Omega accepts the original ClientChanged request. It is
// intentionally limited to the authenticated user's ID and a
// writable preference, with no derived connectivity state.
CommunicationValue::new(CommunicationType::ClientChanged)
.with_id(cv.get_id())
.with_sender(self.user_id)
.add_typed_default(
DataType::UserId,
DataValue::SignedNumber(self.user_id as i128),
)
.add_typed_default(DataType::UserState, DataValue::Str(state.to_string()))
};
if !self.state.omega.supports_set_user_state().await {
self.state
.omega
.send_message_result(&request)
.await
.map_err(|_| CommunicationType::ErrorInternal)?;
return Ok(CommunicationValue::new(CommunicationType::Success)
.with_id(cv.get_id())
.add_typed_default(DataType::UserState, DataValue::Str(state.to_string())));
}
self.await_omega_response(request)
.await
.map_err(|_| CommunicationType::ErrorInternal)
}
async fn handle_set_user_state(self: Arc<Self>, cv: CommunicationValue) {
match self.request_set_user_state(cv.clone()).await {
Ok(response) => self.send_message(&response).await,
Err(error_type) => self.send_error_response(cv.get_id(), error_type).await,
}
}
@ -830,35 +948,6 @@ impl ClientConnection {
let _ = self.sender.close();
}
/// Set interested users list
pub async fn set_interested_users(self: Arc<Self>, interested_ids: Vec<i64>) {
let mut interested_guard = self.interested_users.write().await;
*interested_guard = interested_ids;
}
#[allow(dead_code)]
pub async fn get_interested_users(self: Arc<Self>) -> Vec<i64> {
let interested_guard = self.interested_users.read().await;
interested_guard.clone()
}
/// Check if interested in a user and send notification
#[allow(dead_code)]
pub async fn are_you_interested(self: Arc<Self>, user_id: i64, user_status: &str) {
let interested_guard = self.clone().get_interested_users().await;
if interested_guard.contains(&user_id) {
let status = if user_status == "user_invisible" {
"user_offline"
} else {
user_status
};
let notification = CommunicationValue::new(CommunicationType::ClientChanged)
.add_typed_default(DataType::UserId, DataValue::SignedNumber(user_id.into()))
.add_typed_default(DataType::UserState, DataValue::Str(status.to_string()));
self.send_message(&notification).await;
}
}
/// Handle connection close
pub async fn handle_close(self: Arc<Self>) {
let user_id = self.get_user_id().await;
@ -880,7 +969,6 @@ impl Clone for ClientConnection {
client_version: self.client_version.clone(),
pub_key: Arc::clone(&self.pub_key),
rho_connection: Arc::clone(&self.rho_connection),
interested_users: Arc::clone(&self.interested_users),
is_open: Arc::clone(&self.is_open),
message_slots: Arc::clone(&self.message_slots),
}

View file

@ -136,10 +136,23 @@ impl GeneralConnection {
if let Some(rho_conn) = rho {
rho_conn.bind_user_id(user_id).await;
rho_conn.add_client_connection(client.clone()).await;
self.notify_user_connected(user_id, rho_conn.get_iota_id().await as i64)
.await;
match self
.notify_user_connected(user_id, rho_conn.get_iota_id().await as i64)
.await
{
Ok(()) => {
self.send_initial_client_state_request(&rho_conn, user_id)
.await;
}
Err(error) => {
log_err!(
user_id,
PrintType::Client,
"UserConnected acknowledgement failed: {}",
error
);
}
}
} else {
log_err!(
user_id,
@ -155,29 +168,13 @@ impl GeneralConnection {
true
}
async fn notify_user_connected(&self, user_id: i64, iota_id: i64) {
async fn notify_user_connected(&self, user_id: i64, iota_id: i64) -> Result<(), String> {
let session_id = *self.session_id.read().await as i64;
let notify = CommunicationValue::new(CommunicationType::UserConnected)
.add_typed_default(DataType::UserId, DataValue::SignedNumber(user_id.into()))
.add_typed_default(
DataType::SessionId,
DataValue::SignedNumber(session_id.into()),
)
.add_typed_default(DataType::IotaId, DataValue::SignedNumber(iota_id.into()))
.add_typed_default(
DataType::UserState,
DataValue::Str("user_online".to_string()),
)
.add_typed_default(
DataType::UpdatedAt,
DataValue::SignedNumber(
std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.unwrap_or_default()
.as_millis() as i128,
),
);
self.state.omega.clone().send_message(&notify).await;
self.state
.omega
.clone()
.user_connected(user_id, session_id, iota_id)
.await
}
async fn find_user_rho(&self, user_id: i64) -> Option<Arc<RhoConnection>> {
@ -227,9 +224,6 @@ impl GeneralConnection {
async fn migrate_iota(self: &Arc<Self>) {
let id = self.id;
log_in!(id as i64, PrintType::Iota, "Iota {} connected", id);
let notify = CommunicationValue::new(CommunicationType::IotaConnected)
.add_typed_default(DataType::IotaId, DataValue::SignedNumber(id.into()));
self.state.omega.clone().send_message(&notify).await;
let iota = IotaConnection::from_general(self.clone(), id).await;
let previous = self.state.rho.get_by_iota(id as i64).await;
@ -246,6 +240,14 @@ impl GeneralConnection {
}
}
self.state.rho.add(rho).await;
if let Err(error) = self.state.omega.clone().iota_connected(id as i64).await {
log_err!(
id as i64,
PrintType::Iota,
"IotaConnected acknowledgement failed: {}",
error
);
}
self.load_iota_users(id).await;
iota.start();
}

View file

@ -23,6 +23,47 @@ use tokio::sync::mpsc;
use super::rho_connection::RhoConnection;
fn contact_snapshot(value: &CommunicationValue) -> Option<(i64, i64, Vec<i64>)> {
if !value.is_type(CommunicationType::ClientStateSync)
&& !value.is_type(CommunicationType::AddConversation)
{
return None;
}
let user_id = i64::try_from(value.get_receiver())
.ok()
.filter(|id| *id > 0)?;
let session_id = value
.get_data(DataType::SessionId)
.as_signed_number()
.and_then(|id| i64::try_from(id).ok())
.filter(|id| *id > 0)?;
let DataValue::Array(values) = value.get_data(DataType::UserIds) else {
return None;
};
let user_id_type = data_type_id(DataType::UserId, &TypeMap::latest());
let mut contact_ids = Vec::with_capacity(values.len());
for value in values {
let contact_id = match value {
DataValue::SignedNumber(id) => i64::try_from(*id).ok(),
DataValue::Container(entries) => entries.iter().find_map(|(key, value)| {
(*key == user_id_type)
.then(|| value.as_signed_number())
.flatten()
.and_then(|id| i64::try_from(id).ok())
}),
_ => None,
}
.filter(|id| *id > 0)?;
contact_ids.push(contact_id);
}
contact_ids.sort_unstable();
contact_ids.dedup();
Some((user_id, session_id, contact_ids))
}
#[allow(dead_code)]
pub struct IotaConnection {
pub state: Arc<AppState>,
@ -172,6 +213,29 @@ impl IotaConnection {
}
}
async fn replace_state_subscription(
&self,
user_id: i64,
session_id: i64,
contact_ids: Vec<i64>,
) -> Result<(), String> {
let Some(rho_connection) = self.get_rho_connection().await else {
return Err("Rho connection is unavailable".to_string());
};
if rho_connection
.get_client_connection(user_id, session_id)
.await
.is_none()
{
return Err("target client session is no longer connected".to_string());
}
self.state
.omega
.replace_state_subscription(user_id, session_id, contact_ids)
.await
}
/// Send a CommunicationValue to the Iota
pub async fn send_message(&self, cv: &CommunicationValue) {
log_cv_out!(PrintType::Iota, cv);
@ -206,6 +270,34 @@ impl IotaConnection {
cv
};
// Iota's UserIds field is an authoritative replacement snapshot for
// the requesting client session, including contact mutations.
if let Some((user_id, session_id, contact_ids)) = contact_snapshot(&cv) {
if let Err(error) = self
.replace_state_subscription(user_id, session_id, contact_ids)
.await
{
log_err!(
self.iota_id as i64,
PrintType::Omega,
"Failed to replace presence subscription for user {} session {}: {}",
user_id,
session_id,
error
);
}
}
if cv.is_type(CommunicationType::StateSubscribe) {
self.send_error_response(
cv.get_id(),
CommunicationType::ErrorInvalidData,
Some("StateSubscribe must come from an authoritative contact snapshot"),
)
.await;
return;
}
// Handle GET_CHATS
if cv.is_type(CommunicationType::GetChats) {
self.handle_get_chats(cv).await;
@ -350,6 +442,12 @@ impl IotaConnection {
|| cv.is_type(CommunicationType::GetUserData)
|| cv.is_type(CommunicationType::GetIotaData)
|| cv.is_type(CommunicationType::DeleteIota)
|| cv.is_type(CommunicationType::AttachUserBegin)
|| cv.is_type(CommunicationType::AttachUserComplete)
|| cv.is_type(CommunicationType::ReleaseUserFromIota)
|| cv.is_type(CommunicationType::DeleteUserCredentialBegin)
|| cv.is_type(CommunicationType::DeleteUserCredentialComplete)
|| cv.is_type(CommunicationType::EraseHostedUserDataAck)
{
let sender = self.get_iota_id().await;
@ -517,7 +615,20 @@ impl IotaConnection {
}
let mut interested_ids: Vec<i64> = Vec::new();
let session_id = cv.get_data(DataType::SessionId).as_signed_number();
let Some(session_id) = cv
.get_data(DataType::SessionId)
.as_signed_number()
.and_then(|id| i64::try_from(id).ok())
.filter(|id| *id > 0)
else {
self.forward_to_client(
CommunicationValue::new(CommunicationType::ErrorInvalidData)
.with_id(cv.get_id())
.with_receiver(user_id),
)
.await;
return;
};
let tm = TypeMap::latest();
// Presence interest is the complete contact set, independent of
@ -658,20 +769,18 @@ impl IotaConnection {
// ============================
// Notify Omega
// ============================
self.state
.omega
.user_states(user_id as i64, interested_ids.clone())
.await;
// ============================
// Notify Rho
// ============================
if let Some(rho_conn) = self.get_rho_connection().await {
if let Some(session_id) = session_id.and_then(|id| i64::try_from(id).ok()) {
rho_conn
.set_interested(user_id as i64, session_id, interested_ids)
.await;
}
if let Err(error) = self
.replace_state_subscription(user_id as i64, session_id, interested_ids.clone())
.await
{
log_err!(
self.iota_id as i64,
PrintType::Omega,
"Failed to replace presence subscription for user {} session {}: {}",
user_id,
session_id,
error
);
}
// ============================
@ -779,3 +888,48 @@ impl std::fmt::Debug for IotaConnection {
.finish()
}
}
#[cfg(test)]
mod tests {
use super::contact_snapshot;
use crate::util::data_type_id;
use mtp::codec::{CommunicationType, CommunicationValue, DataType, DataValue, TypeMap};
fn snapshot(user_ids: DataValue) -> CommunicationValue {
CommunicationValue::new(CommunicationType::ClientStateSync)
.with_receiver(7)
.add_typed_default(DataType::SessionId, DataValue::SignedNumber(11))
.add_typed_default(DataType::UserIds, user_ids)
}
#[test]
fn contact_snapshot_deduplicates_flat_and_typed_ids() {
let user_id_type = data_type_id(DataType::UserId, &TypeMap::latest());
let parsed = contact_snapshot(&snapshot(DataValue::Array(vec![
DataValue::SignedNumber(20),
DataValue::Container(vec![(user_id_type, DataValue::SignedNumber(21))]),
DataValue::SignedNumber(20),
])))
.unwrap();
assert_eq!(parsed, (7, 11, vec![20, 21]));
}
#[test]
fn contact_snapshot_accepts_empty_contact_sets() {
assert_eq!(
contact_snapshot(&snapshot(DataValue::Array(Vec::new()))),
Some((7, 11, Vec::new()))
);
}
#[test]
fn contact_snapshot_rejects_malformed_contact_sets() {
assert_eq!(
contact_snapshot(&snapshot(DataValue::Array(vec![DataValue::Str(
"bad".into(),
)]))),
None
);
}
}

View file

@ -1,6 +1,6 @@
use super::{client_connection::ClientConnection, iota_connection::IotaConnection};
use crate::{data::user::UserStatus, rho::app_connection::AppConnection};
use crate::{log_err, rho::app_connection::AppConnection};
use dashmap::DashMap;
use mtp::codec::{CommunicationValue, DataType};
use std::sync::Arc;
@ -86,6 +86,14 @@ impl RhoConnection {
.collect()
}
pub async fn detach_user_clients(&self, user_id: i64) {
let clients = self.get_client_connections_for_user(user_id).await;
for client in clients {
client.clear_rho_connection().await;
}
self.client_connections.retain(|(id, _), _| *id != user_id as u64);
}
#[allow(unused)]
pub async fn get_app_connections(
&self,
@ -178,11 +186,21 @@ impl RhoConnection {
return;
}
self.client_connections.remove(&key);
self.iota_connection
if let Err(error) = self
.iota_connection
.state
.omega
.client_disconnected(target_user_id, target_session_id)
.await;
.await
{
log_err!(
target_user_id,
crate::util::logger::PrintType::Client,
"UserDisconnected acknowledgement failed for session {}: {}",
target_session_id,
error
);
}
let remaining_for_user = self
.client_connections
.iter()
@ -194,16 +212,6 @@ impl RhoConnection {
.rho
.remove_user_binding(target_user_id, self.get_iota_id().await as i64)
.await;
self.iota_connection
.state
.omega
.client_changed(
self.get_iota_id().await as i64,
target_user_id,
target_session_id,
UserStatus::user_offline,
)
.await;
}
}
@ -228,7 +236,14 @@ impl RhoConnection {
}
// Notify OmegaConnection
self.iota_connection.state.omega.close_iota(iota_id).await;
if let Err(error) = self.iota_connection.state.omega.close_iota(iota_id).await {
log_err!(
iota_id,
crate::util::logger::PrintType::Iota,
"IotaDisconnected acknowledgement failed: {}",
error
);
}
}
/// Send message from Iota to specific client
@ -255,25 +270,6 @@ impl RhoConnection {
self.iota_connection.send_message(&cv).await;
}
/// Set interested users for a specific client
pub async fn set_interested(&self, user_id: i64, session_id: i64, interested_ids: Vec<i64>) {
if let Some(connection) = self.get_client_connection(user_id, session_id).await {
connection.set_interested_users(interested_ids).await;
}
}
/// Check if clients are interested in a user
#[allow(dead_code)]
pub async fn are_they_interested(&self, user_id: i64, user_status: &str) {
let connections = self.get_client_connections().await;
for connection in connections.iter() {
connection
.clone()
.are_you_interested(user_id, user_status)
.await;
}
}
/// Check if this RhoConnection contains a specific user ID
#[allow(dead_code)]
pub async fn contains_user(&self, user_id: &i64) -> bool {

View file

@ -66,7 +66,11 @@ impl RhoManager {
)
.await;
let replacement = user_ids.iter().copied().collect::<std::collections::HashSet<_>>();
for user_id in previous_users {
if !replacement.contains(&user_id) {
rho.detach_user_clients(user_id).await;
}
if self
.users
.get(&user_id)
@ -135,4 +139,17 @@ impl RhoManager {
.map(|entry| entry.value().clone())
.collect()
}
pub async fn get_client_connection(
&self,
user_id: i64,
session_id: i64,
) -> Option<Arc<super::client_connection::ClientConnection>> {
for rho in self.connections().await {
if let Some(client) = rho.get_client_connection(user_id, session_id).await {
return Some(client);
}
}
None
}
}