func (gfe *OvsFlowEnhancer) getNodeUUID(mac string) string {
if packet.IsBroadcastMac(mac) || packet.IsMulticastMac(mac) {
return "*"
}
gfe.Graph.RLock()
defer gfe.Graph.RUnlock()
intfs := gfe.Graph.LookupNodes(graph.Metadata{"ExtID/attached-mac": mac})
if len(intfs) > 1 {
logging.GetLogger().Infof("OvsFlowEnhancer found more than one interface for the mac: %s", mac)
} else if len(intfs) == 1 {
return string(intfs[0].ID)
}
return ""
}
func (gfe *GraphFlowEnhancer) getNodeTID(mac string) string {
if packet.IsBroadcastMac(mac) || packet.IsMulticastMac(mac) {
return "*"
}
gfe.Graph.RLock()
defer gfe.Graph.RUnlock()
intfs := gfe.Graph.GetNodes(graph.Metadata{"MAC": mac})
if len(intfs) > 1 {
logging.GetLogger().Infof("GraphFlowEnhancer found more than one interface for the mac: %s", mac)
} else if len(intfs) == 1 {
if t, ok := intfs[0].Metadata()["TID"]; ok {
return t.(string)
}
}
return ""
}