mon cycle and uptime

cmd/hvpn-node/hvpn-node.go

@@ -55,6 +55,8 @@ func main() {
 func run(ctx *cli.Context) {
     slog.Debug("Starting run()")
 
+    wgLink.StartedAT = time.Now().UTC()
+    slog.Info(fmt.Sprintf("Started at %s", wgLink.StartedAT))
     hvpnnode3.StartMonitor(wgLink, *slog.Default())
 
     apiMux := http.NewServeMux()

handlers.go

@@ -8,6 +8,7 @@ import (
 	"log/slog"
 	"net/http"
 	"net/url"
+	"time"
 
 	"github.com/felixge/httpsnoop"
 	"github.com/google/uuid"
@@ -34,7 +35,8 @@ func HandleGetNodeInfo(wgLink *WGLink) http.HandlerFunc {
                 UDPPort: dev.ListenPort,
                 Endpoint: wgLink.Endpoint,
                 Type: dev.Type.String(), 
-                // TODO: Send endpoint for clients to connect
+                StartedAt: wgLink.StartedAT,
+                Uptime: time.Since(wgLink.StartedAT),
             },
         )
     }

link.go

@@ -20,6 +20,7 @@ type WGLink struct {
     *wgctrl.Client
     IPPool
     Endpoint string // Endpoint for clients to use when connecting to this link. Has no effect.
+    StartedAT time.Time
     lock *sync.Mutex
 }
 

monitor.go

@@ -18,44 +18,38 @@ func StartMonitor(wg *WGLink, log slog.Logger) {
 func monitor(wg *WGLink, log slog.Logger) {
     log.Info("[WGMonitor] Starting")
     for {
-        time.Sleep(time.Second * 5)
+        time.Sleep(time.Second * 10)
         peers, err := wg.GetAllPeers()
         if err != nil {
             log.Error("[WGMonitor] " + err.Error())
             continue
         }
 
-        activepeers, err := getActivePeers(peers)
-        if err != nil {
-            log.Error("[WGMonitor] " + err.Error())
-            continue
-        }
-
         sb := strings.Builder{}
-        sb.WriteString(fmt.Sprintf("Peers: %d ", len(peers)))
-        sb.WriteString(fmt.Sprintf("Active peers: %d ", len(activepeers)))
-
+        var activePeers int
         var totalRx int64
         var totalTx int64
-        for _, peer := range activepeers {
+        for _, peer := range peers {
             totalRx += peer.ReceiveBytes
             totalTx += peer.TransmitBytes
+            if isActive(peer) {
+                activePeers += 1
+            }
         }
+        sb.WriteString(fmt.Sprintf("Peers: %d ", len(peers)))
+        sb.WriteString(fmt.Sprintf("Active peers: %d ", activePeers))
         sb.WriteString(fmt.Sprintf("TX: %d RX: %d", totalTx, totalRx))
 
         log.Info("[WGMonitor] " + sb.String())
     }
 }
 
-func getActivePeers(peers []wgtypes.Peer) ([]wgtypes.Peer, error) {
-    active := make([]wgtypes.Peer, 0)
-    for _, peer := range peers {
-        if peer.LastHandshakeTime.IsZero() {
-            continue
-        } else if time.Now().UTC().Sub(peer.LastHandshakeTime.UTC()) < time.Duration(4 * time.Minute) {
-            active = append(active, peer)
-        }
+func isActive(peer wgtypes.Peer) bool {
+    if peer.LastHandshakeTime.IsZero() {
+        return false
+    } else if time.Since(peer.LastHandshakeTime.UTC()) < time.Duration(4 * time.Minute) {
+        return true
     }
-    return active, nil
+    return false
 }
 

proto/node.go

@@ -1,8 +1,12 @@
 package proto
 
+import "time"
+
 type NodePublicInfo struct {
     PublicKey string `json:"public_key"`
     UDPPort int `json:"udp_port"`
     Endpoint string `json:"endpoint"`
-    Type string 
+    Type string `json:"type"`
+    StartedAt time.Time `json:"started_at"`
+    Uptime time.Duration `json:"uptime"`
 }