Use interface details to populate the ifmib, on startup and after each event

src/vpp/vpp_stats.go

@@ -17,6 +17,9 @@ import (
 
 type StatsCallback func(*api.InterfaceStats)
 
+// Global callback for interface events
+var interfaceEventCallback InterfaceEventCallback
+
 var (
 	// Flags for VPP stats configuration
 	ApiAddr       = flag.String("vppstats.api.addr", "/var/run/vpp/api.sock", "VPP API socket path")
@@ -25,6 +28,11 @@ var (
 	Period        = flag.Int("vppstats.period", 10, "Interval in seconds for querying VPP interface stats")
 )
 
+// SetInterfaceEventCallback sets the callback for interface events
+func SetInterfaceEventCallback(callback InterfaceEventCallback) {
+	interfaceEventCallback = callback
+}
+
 // StartStatsRoutine starts a goroutine that queries VPP interface stats at the configured interval
 func StartStatsRoutine(callback StatsCallback) {
 	period := time.Duration(*Period) * time.Second
@@ -139,11 +147,22 @@ func statsRoutine(period time.Duration, callback StatsCallback) {
 				logger.Debugf("Failed to create API channel for interface events: %v", err)
 			} else {
 				logger.Debugf("API channel created successfully, calling WatchInterfaceEvents...")
-				if err := WatchInterfaceEvents(ch); err != nil {
+				if err := WatchInterfaceEvents(ch, interfaceEventCallback); err != nil {
 					logger.Debugf("Failed to start interface event watching: %v", err)
 					ch.Close()
 				} else {
 					logger.Printf("Interface event watching started successfully")
+
+					// Do initial retrieval of interface details
+					if interfaceEventCallback != nil {
+						details, err := GetAllInterfaceDetails(ch)
+						if err != nil {
+							logger.Debugf("Failed to get initial interface details: %v", err)
+						} else {
+							logger.Debugf("Retrieved initial interface details for %d interfaces", len(details))
+							interfaceEventCallback(details)
+						}
+					}
 				}
 			}
 		}