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Fix recently introduced peer deadlock (#1941)

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hashmap 2018-11-07 01:42:36 +01:00 committed by Ignotus Peverell
parent 8742c334dd
commit d2088ff48c
1 changed files with 9 additions and 17 deletions
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26
p2p/src/peer.rs
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@ -351,24 +351,12 @@ impl Peer {
/// Stops the peer, closing its connection
pub fn stop(&self) {
let _ = self
.connection
.as_ref()
.unwrap()
.lock()
.close_channel
.send(());
stop_with_connection(&self.connection.as_ref().unwrap().lock());
}
fn check_connection(&self) -> bool {
match self
.connection
.as_ref()
.unwrap()
.lock()
.error_channel
.try_recv()
{
let connection = self.connection.as_ref().unwrap().lock();
match connection.error_channel.try_recv() {
Ok(Error::Serialization(e)) => {
let need_stop = {
let mut state = self.state.write();
@ -384,7 +372,7 @@ impl Peer {
"Client {} corrupted, will disconnect ({:?}).",
self.info.addr, e
);
self.stop();
stop_with_connection(&connection);
}
false
}
@ -400,7 +388,7 @@ impl Peer {
};
if need_stop {
debug!("Client {} connection lost: {:?}", self.info.addr, e);
self.stop();
stop_with_connection(&connection);
}
false
}
@ -412,6 +400,10 @@ impl Peer {
}
}
fn stop_with_connection(connection: &conn::Tracker) {
let _ = connection.close_channel.send(());
}
/// Adapter implementation that forwards everything to an underlying adapter
/// but keeps track of the block and transaction hashes that were received.
#[derive(Clone)]