Additional networking metrics (#2549)

Adds additional metrics for network monitoring and evaluation.


Co-authored-by: Mark Mackey <mark@sigmaprime.io>

beacon_node/lighthouse_network/src/peer_manager/peerdb/client.rs

@@ -4,7 +4,7 @@
 
 use libp2p::identify::IdentifyInfo;
 use serde::Serialize;
-use strum::{AsRefStr, AsStaticStr};
+use strum::{AsRefStr, AsStaticStr, EnumIter};
 
 /// Various client and protocol information related to a node.
 #[derive(Clone, Debug, Serialize)]
@@ -21,7 +21,7 @@ pub struct Client {
     pub agent_string: Option<String>,
 }
 
-#[derive(Clone, Debug, Serialize, PartialEq, AsRefStr, AsStaticStr)]
+#[derive(Clone, Debug, Serialize, PartialEq, AsRefStr, AsStaticStr, EnumIter)]
 pub enum ClientKind {
     /// A lighthouse node (the best kind).
     Lighthouse,

beacon_node/lighthouse_network/src/peer_manager/peerdb/peer_info.rs

@@ -19,8 +19,6 @@ use PeerConnectionStatus::*;
 #[derive(Clone, Debug, Serialize)]
 #[serde(bound = "T: EthSpec")]
 pub struct PeerInfo<T: EthSpec> {
-    /// The connection status of the peer
-    _status: PeerStatus,
     /// The peers reputation
     score: Score,
     /// Client managing this peer
@@ -57,7 +55,6 @@ pub struct PeerInfo<T: EthSpec> {
 impl<TSpec: EthSpec> Default for PeerInfo<TSpec> {
     fn default() -> PeerInfo<TSpec> {
         PeerInfo {
-            _status: Default::default(),
             score: Score::default(),
             client: Client::default(),
             connection_status: Default::default(),
@@ -387,21 +384,6 @@ impl<T: EthSpec> PeerInfo<T> {
     }
 }
 
-#[derive(Clone, Debug, Serialize)]
-/// The current health status of the peer.
-pub enum PeerStatus {
-    /// The peer is healthy.
-    Healthy,
-    /// The peer is clogged. It has not been responding to requests on time.
-    _Clogged,
-}
-
-impl Default for PeerStatus {
-    fn default() -> Self {
-        PeerStatus::Healthy
-    }
-}
-
 /// Connection Direction of connection.
 #[derive(Debug, Clone, Serialize, AsRefStr)]
 #[strum(serialize_all = "snake_case")]