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Merge pull request 'garage_net: retry connecting when new IP is learned' (#724) from networking-fixes into main

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Reviewed-on: Deuxfleurs/garage#724
This commit is contained in:
Alex 2024-02-19 17:37:01 +00:00
commit 0b9859befa
1 changed files with 32 additions and 22 deletions
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54
src/net/peering.rs
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@ -80,6 +80,23 @@ impl PeerInfoInternal {
failed_pings: 0,
}
}
fn add_addr(&mut self, addr: SocketAddr) -> bool {
if !self.all_addrs.contains(&addr) {
self.all_addrs.push(addr);
// If we are learning a new address for this node,
// we want to retry connecting
self.state = match self.state {
PeerConnState::Trying(_) => PeerConnState::Trying(0),
PeerConnState::Waiting(_, _) | PeerConnState::Abandonned => {
PeerConnState::Waiting(0, Instant::now())
}
x @ (PeerConnState::Ourself | PeerConnState::Connected) => x,
};
true
} else {
false
}
}
}
/// Information that the full mesh peering strategy can return about the peers it knows of
@ -147,23 +164,22 @@ struct KnownHosts {
impl KnownHosts {
fn new() -> Self {
let list = HashMap::new();
let hash = Self::calculate_hash(&list);
let hash = Self::calculate_hash(vec![]);
Self { list, hash }
}
fn update_hash(&mut self) {
self.hash = Self::calculate_hash(&self.list);
self.hash = Self::calculate_hash(self.connected_peers_vec());
}
fn map_into_vec(input: &HashMap<NodeID, PeerInfoInternal>) -> Vec<(NodeID, SocketAddr)> {
let mut list = Vec::with_capacity(input.len());
for (id, peer) in input.iter() {
if peer.state == PeerConnState::Connected || peer.state == PeerConnState::Ourself {
fn connected_peers_vec(&self) -> Vec<(NodeID, SocketAddr)> {
let mut list = Vec::with_capacity(self.list.len());
for (id, peer) in self.list.iter() {
if peer.state.is_up() {
list.push((*id, peer.addr));
}
}
list
}
fn calculate_hash(input: &HashMap<NodeID, PeerInfoInternal>) -> hash::Digest {
let mut list = Self::map_into_vec(input);
fn calculate_hash(mut list: Vec<(NodeID, SocketAddr)>) -> hash::Digest {
list.sort();
let mut hash_state = hash::State::new();
for (id, addr) in list {
@ -214,6 +230,7 @@ impl PeeringManager {
netapp.id,
PeerInfoInternal::new(addr, PeerConnState::Ourself),
);
known_hosts.update_hash();
}
// TODO for v0.10 / v1.0 : rename the endpoint (it will break compatibility)
@ -234,13 +251,11 @@ impl PeeringManager {
let strat2 = strat.clone();
netapp.on_connected(move |id: NodeID, addr: SocketAddr, is_incoming: bool| {
let strat2 = strat2.clone();
strat2.on_connected(id, addr, is_incoming);
});
let strat2 = strat.clone();
netapp.on_disconnected(move |id: NodeID, is_incoming: bool| {
let strat2 = strat2.clone();
strat2.on_disconnected(id, is_incoming);
});
@ -445,7 +460,7 @@ impl PeeringManager {
}
async fn exchange_peers(self: Arc<Self>, id: &NodeID) {
let peer_list = KnownHosts::map_into_vec(&self.known_hosts.read().unwrap().list);
let peer_list = self.known_hosts.read().unwrap().connected_peers_vec();
let pex_message = PeerListMessage { list: peer_list };
match self
.peer_list_endpoint
@ -465,8 +480,7 @@ impl PeeringManager {
let mut changed = false;
for (id, addr) in list.iter() {
if let Some(kh) = known_hosts.list.get_mut(id) {
if !kh.all_addrs.contains(addr) {
kh.all_addrs.push(*addr);
if kh.add_addr(*addr) {
changed = true;
}
} else {
@ -534,13 +548,11 @@ impl PeeringManager {
}
}
fn on_connected(self: Arc<Self>, id: NodeID, addr: SocketAddr, is_incoming: bool) {
fn on_connected(self: &Arc<Self>, id: NodeID, addr: SocketAddr, is_incoming: bool) {
let mut known_hosts = self.known_hosts.write().unwrap();
if is_incoming {
if let Some(host) = known_hosts.list.get_mut(&id) {
if !host.all_addrs.contains(&addr) {
host.all_addrs.push(addr);
}
host.add_addr(addr);
} else {
known_hosts.list.insert(id, self.new_peer(&id, addr));
}
@ -553,9 +565,7 @@ impl PeeringManager {
if let Some(host) = known_hosts.list.get_mut(&id) {
host.state = PeerConnState::Connected;
host.addr = addr;
if !host.all_addrs.contains(&addr) {
host.all_addrs.push(addr);
}
host.add_addr(addr);
} else {
known_hosts
.list
@ -566,7 +576,7 @@ impl PeeringManager {
self.update_public_peer_list(&known_hosts);
}
fn on_disconnected(self: Arc<Self>, id: NodeID, is_incoming: bool) {
fn on_disconnected(self: &Arc<Self>, id: NodeID, is_incoming: bool) {
if !is_incoming {
info!("Connection to {} was closed", hex::encode(&id[..8]));
let mut known_hosts = self.known_hosts.write().unwrap();
@ -608,7 +618,7 @@ impl EndpointHandler<PeerListMessage> for PeeringManager {
_from: NodeID,
) -> PeerListMessage {
self.handle_peer_list(&peer_list.list[..]);
let peer_list = KnownHosts::map_into_vec(&self.known_hosts.read().unwrap().list);
let peer_list = self.known_hosts.read().unwrap().connected_peers_vec();
PeerListMessage { list: peer_list }
}
}