Syncing fix (#1320)

* Fixed aborting peer for expired session

* Don't ban for usesless

util/src/network/connection.rs

@@ -139,6 +139,7 @@ impl<Socket: GenericSocket> GenericConnection<Socket> {
 				},
 				Ok(Some(size)) if (buf.position() as usize) == send_size => {
 					self.stats.inc_send(size);
+					trace!(target:"network", "{}: Wrote {} bytes", self.token, send_size);
 					Ok(WriteStatus::Complete)
 				},
 				Ok(Some(_)) => { panic!("Wrote past buffer");},

util/src/network/host.rs

@@ -250,7 +250,7 @@ impl<'s, Message> NetworkContext<'s, Message> where Message: Send + Sync + Clone
 		self.io.message(NetworkIoMessage::Disconnect(peer));
 	}
 
-	/// Sheck if the session is till active.
+	/// Check if the session is still active.
 	pub fn is_expired(&self) -> bool {
 		self.session.as_ref().map(|s| s.lock().unwrap().expired()).unwrap_or(false)
 	}
@@ -664,7 +664,6 @@ impl<Message> Host<Message> where Message: Send + Sync + Clone {
 					Err(e) => {
 						trace!(target: "network", "Session read error: {}:{:?} ({:?}) {:?}", token, s.id(), s.remote_addr(), e);
 						match e {
-							UtilError::Network(NetworkError::Disconnect(DisconnectReason::UselessPeer)) |
 							UtilError::Network(NetworkError::Disconnect(DisconnectReason::IncompatibleProtocol)) => {
 								if let Some(id) = s.id() {
 									self.nodes.write().unwrap().mark_as_useless(id);