Add latency checks to peer connection and status output (#1725)

* adding peer healthcheck

* generate proto file

* fix return in udp mux and replace with continue

* use ice agent for latency checks

* fix status output

* remove some logs

* fix status test

* revert bind and ebpf code

* fix error handling on binding response callback

* extend error handling on binding response callback

---------

Co-authored-by: Maycon Santos <mlsmaycon@gmail.com>

client/internal/peer/status.go

@@ -28,6 +28,7 @@ type State struct {
 	LastWireguardHandshake     time.Time
 	BytesTx                    int64
 	BytesRx                    int64
+	Latency                    time.Duration
 	RosenpassEnabled           bool
 	Routes                     map[string]struct{}
 }
@@ -410,6 +411,22 @@ func (d *Status) GetManagementState() ManagementState {
 	}
 }
 
+func (d *Status) UpdateLatency(pubKey string, latency time.Duration) error {
+	if latency <= 0 {
+		return nil
+	}
+
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	peerState, ok := d.peers[pubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+	peerState.Latency = latency
+	d.peers[pubKey] = peerState
+	return nil
+}
+
 // IsLoginRequired determines if a peer's login has expired.
 func (d *Status) IsLoginRequired() bool {
 	d.mux.Lock()