Fix core Tokio runtime panic and add network logging

- Fix tokio runtime panic by spawning a dedicated Tokio runtime thread in CoreController.
- Add central log_msg utility in src/lib.rs for debugging.
- Add instrumentation/logs to join, leave, and gossip events in src/network/gossip.rs.
- Add test_net.rs bin for testing gossip loopback sync.
- Use std::sync::Mutex in IrohGossipState to resolve Tokio block-in-async panics.
This commit is contained in:
2026-05-27 05:48:04 -04:00
parent 1220d94e91
commit 5ddb792f0f
7 changed files with 279 additions and 72 deletions
+116 -53
View File
@@ -2,9 +2,9 @@ use crate::network::{RoomState, NetError, PeerState, RoomEvent, PeerSpeakTicket}
use iroh::{Endpoint, EndpointId};
use iroh_gossip::net::Gossip;
use iroh_gossip::proto::TopicId;
use tokio::sync::{mpsc, Mutex};
use tokio::sync::mpsc;
use tokio::sync::mpsc::Receiver;
use std::sync::Arc;
use std::sync::{Arc, Mutex};
use std::collections::HashMap;
use async_trait::async_trait;
use tokio_stream::StreamExt;
@@ -60,9 +60,12 @@ impl IrohGossipState {
#[async_trait]
impl RoomState for IrohGossipState {
async fn join(&self, ticket_str: &str, self_state: PeerState) -> Result<(), NetError> {
crate::log_msg(&format!("RoomState::join: self_id={:?}, self_name={:?}, ticket={}", self_state.addr.id, self_state.name, ticket_str));
let ticket = ticket_str.parse::<PeerSpeakTicket>()?;
let topic_id = TopicId::from_bytes(ticket.topic_id);
crate::log_msg(&format!("Parsed ticket. host_id={:?}, host_addrs={:?}, topic={:?}", ticket.host_addr.id, ticket.host_addr.addrs, topic_id));
// Stop any currently running topic
let _ = self.leave().await;
@@ -72,99 +75,154 @@ impl RoomState for IrohGossipState {
// Join the gossip topic. If we are the host, bootstrap list will be empty
// or contain ourselves (which is fine), but let's bootstrap to the ticket host.
let bootstrap_peers = if ticket.host_addr.id == self_state.addr.id {
crate::log_msg("We are the host. Bootstrap peers list is empty.");
vec![]
} else {
crate::log_msg(&format!("We are a client. Bootstrapping to host ID={:?}", ticket.host_addr.id));
vec![ticket.host_addr.id]
};
let gossip_topic = self.gossip.subscribe(topic_id, bootstrap_peers).await
.map_err(|e| NetError::Gossip(format!("Failed to join gossip topic: {}", e)))?;
.map_err(|e| {
let err = format!("Failed to join gossip topic: {}", e);
crate::log_msg(&err);
NetError::Gossip(err)
})?;
let (gossip_sender, mut gossip_receiver) = gossip_topic.split();
*self.self_state.lock().await = Some(self_state.clone());
*self.active_topic_id.lock().await = Some(topic_id);
*self.active_sender.lock().await = Some(gossip_sender.clone());
*self.self_state.lock().unwrap() = Some(self_state.clone());
*self.active_topic_id.lock().unwrap() = Some(topic_id);
*self.active_sender.lock().unwrap() = Some(gossip_sender.clone());
let event_tx = self.event_tx.clone();
let peers = self.peers.clone();
let address_lookup = self.address_lookup.clone();
let self_state_clone = self.self_state.clone();
let gossip_sender_clone = gossip_sender.clone();
let self_id = self_state.addr.id;
let handle = tokio::spawn(async move {
crate::log_msg(&format!("Spawned gossip topic loop for self_id={:?}", self_id));
// Broadcast initial state
let payload = GossipPayload {
author: self_state_clone.lock().await.as_ref().unwrap().addr.id,
msg: GossipMessage::Announce(self_state_clone.lock().await.clone().unwrap()),
let initial_payload = {
let guard = self_state_clone.lock().unwrap();
guard.as_ref().map(|s| GossipPayload {
author: s.addr.id,
msg: GossipMessage::Announce(s.clone()),
})
};
if let Ok(bytes) = serde_json::to_vec(&payload) {
let _ = gossip_sender_clone.broadcast(bytes.into()).await;
if let Some(payload) = initial_payload {
if let Ok(bytes) = serde_json::to_vec(&payload) {
crate::log_msg(&format!("Broadcasting initial state from self_id={:?}", self_id));
let _ = gossip_sender_clone.broadcast(bytes.into()).await;
}
}
// Stream topic messages
while let Some(res) = gossip_receiver.next().await {
match res {
Ok(iroh_gossip::api::Event::Received(msg)) => {
if let Ok(payload) = serde_json::from_slice::<GossipPayload>(&msg.content) {
match payload.msg {
GossipMessage::Announce(state) => {
if payload.author == self_state_clone.lock().await.as_ref().unwrap().addr.id {
continue; // Ignore our own announcements
}
let mut peer_map = peers.lock().await;
let is_new = !peer_map.contains_key(&payload.author);
let state_changed = peer_map.get(&payload.author) != Some(&state);
if is_new {
address_lookup.add_endpoint_info(state.addr.clone());
peer_map.insert(payload.author, state.clone());
let _ = event_tx.send(RoomEvent::PeerJoined(payload.author, state)).await;
} else if state_changed {
peer_map.insert(payload.author, state.clone());
let _ = event_tx.send(RoomEvent::PeerUpdated(payload.author, state)).await;
}
crate::log_msg(&format!("Gossip received Event::Received from delivery={:?}", msg.delivered_from));
match serde_json::from_slice::<GossipPayload>(&msg.content) {
Ok(payload) => {
let our_id = {
self_state_clone.lock().unwrap()
.as_ref()
.map(|s| s.addr.id)
};
if Some(payload.author) == our_id {
crate::log_msg("Gossip Event::Received from ourselves; ignoring");
continue;
}
GossipMessage::Leave => {
let mut peer_map = peers.lock().await;
if peer_map.remove(&payload.author).is_some() {
let _ = event_tx.send(RoomEvent::PeerLeft(payload.author)).await;
crate::log_msg(&format!("Gossip Event::Received from author={:?}, payload={:?}", payload.author, payload.msg));
match payload.msg {
GossipMessage::Announce(state) => {
let (is_new, state_changed) = {
let mut peer_map = peers.lock().unwrap();
let is_new = !peer_map.contains_key(&payload.author);
let state_changed = peer_map.get(&payload.author) != Some(&state);
if is_new || state_changed {
peer_map.insert(payload.author, state.clone());
}
(is_new, state_changed)
};
if is_new {
crate::log_msg(&format!("Gossip new peer joined: {:?}, state: {:?}", payload.author, state));
address_lookup.add_endpoint_info(state.addr.clone());
let _ = event_tx.send(RoomEvent::PeerJoined(payload.author, state)).await;
} else if state_changed {
crate::log_msg(&format!("Gossip peer state updated: {:?}, state: {:?}", payload.author, state));
let _ = event_tx.send(RoomEvent::PeerUpdated(payload.author, state)).await;
}
}
GossipMessage::Leave => {
crate::log_msg(&format!("Gossip peer leave request from author={:?}", payload.author));
let removed = peers.lock().unwrap().remove(&payload.author).is_some();
if removed {
let _ = event_tx.send(RoomEvent::PeerLeft(payload.author)).await;
}
}
}
}
Err(e) => {
crate::log_msg(&format!("Gossip failed to deserialize payload: {:?}", e));
}
}
}
Ok(iroh_gossip::api::Event::NeighborUp(_peer_id)) => {
Ok(iroh_gossip::api::Event::NeighborUp(peer_id)) => {
crate::log_msg(&format!("Gossip event: NeighborUp={:?}", peer_id));
// Resend state on new neighbor connection to guarantee synchronization
if let Some(state) = self_state_clone.lock().await.as_ref() {
let payload = GossipPayload {
let payload_opt = {
let guard = self_state_clone.lock().unwrap();
guard.as_ref().map(|state| GossipPayload {
author: state.addr.id,
msg: GossipMessage::Announce(state.clone()),
};
})
};
if let Some(payload) = payload_opt {
if let Ok(bytes) = serde_json::to_vec(&payload) {
crate::log_msg(&format!("Broadcasting state to new neighbor={:?}", peer_id));
let _ = gossip_sender_clone.broadcast(bytes.into()).await;
}
}
}
_ => {}
Ok(iroh_gossip::api::Event::NeighborDown(peer_id)) => {
crate::log_msg(&format!("Gossip event: NeighborDown={:?}", peer_id));
}
Ok(other) => {
crate::log_msg(&format!("Gossip other event: {:?}", other));
}
Err(e) => {
crate::log_msg(&format!("Gossip error event: {:?}", e));
}
}
}
crate::log_msg("Gossip topic loop terminated");
});
*self.active_topic.lock().await = Some(handle);
*self.active_topic.lock().unwrap() = Some(handle);
Ok(())
}
async fn update_self_state(&self, self_state: PeerState) -> Result<(), NetError> {
let mut self_guard = self.self_state.lock().await;
*self_guard = Some(self_state.clone());
crate::log_msg(&format!("RoomState::update_self_state: state={:?}", self_state));
*self.self_state.lock().unwrap() = Some(self_state.clone());
if let Some(sender) = self.active_sender.lock().await.as_ref() {
let sender_opt = self.active_sender.lock().unwrap().clone();
if let Some(sender) = sender_opt {
let payload = GossipPayload {
author: self_state.addr.id,
msg: GossipMessage::Announce(self_state),
};
if let Ok(bytes) = serde_json::to_vec(&payload) {
crate::log_msg("Broadcasting updated self state to gossip");
sender.broadcast(bytes.into()).await
.map_err(|e| NetError::Gossip(e.to_string()))?;
}
@@ -173,38 +231,43 @@ impl RoomState for IrohGossipState {
}
async fn leave(&self) -> Result<(), NetError> {
let mut handle_guard = self.active_topic.lock().await;
if let Some(handle) = handle_guard.take() {
handle.abort();
crate::log_msg("RoomState::leave called");
{
let mut handle_guard = self.active_topic.lock().unwrap();
if let Some(handle) = handle_guard.take() {
crate::log_msg("Aborting active gossip topic background task");
handle.abort();
}
}
let mut topic_id_guard = self.active_topic_id.lock().await;
let _ = topic_id_guard.take();
*self.active_topic_id.lock().unwrap() = None;
let mut sender_guard = self.active_sender.lock().await;
if let Some(sender) = sender_guard.take() {
if let Some(self_state) = self.self_state.lock().await.as_ref() {
let sender_opt = self.active_sender.lock().unwrap().take();
if let Some(sender) = sender_opt {
let self_state_opt = self.self_state.lock().unwrap().clone();
if let Some(self_state) = self_state_opt {
let payload = GossipPayload {
author: self_state.addr.id,
msg: GossipMessage::Leave,
};
if let Ok(bytes) = serde_json::to_vec(&payload) {
crate::log_msg("Broadcasting Leave message to gossip");
let _ = sender.broadcast(bytes.into()).await;
}
}
}
self.peers.lock().await.clear();
self.peers.lock().unwrap().clear();
Ok(())
}
fn active_peers(&self) -> Vec<(EndpointId, PeerState)> {
let guard = self.peers.blocking_lock();
let guard = self.peers.lock().unwrap();
guard.iter().map(|(k, v)| (*k, v.clone())).collect()
}
async fn subscribe_events(&self) -> Result<Receiver<RoomEvent>, NetError> {
let mut rx_guard = self.event_rx.lock().await;
let mut rx_guard = self.event_rx.lock().unwrap();
if let Some(rx) = rx_guard.take() {
Ok(rx)
} else {