func (n *networkServer) getDevAddr(constraints ...string) (types.DevAddr, error) {
// Generate random DevAddr bytes
var devAddr types.DevAddr
copy(devAddr[:], random.Bytes(4))
// Get a random prefix that matches the constraints
prefixes := n.GetPrefixesFor(constraints...)
if len(prefixes) == 0 {
return types.DevAddr{}, errors.NewErrNotFound(fmt.Sprintf("DevAddr prefix with constraints %v", constraints))
}
// Select a prefix
prefix := prefixes[random.Intn(len(prefixes))]
// Apply the prefix
devAddr = devAddr.WithPrefix(prefix)
return devAddr, nil
}
devID := args[0]
if !api.ValidID(devID) {
ctx.Fatalf("Invalid Device ID") // TODO: Add link to wiki explaining device IDs
}
appID := util.GetAppID(ctx)
var nwkSKey types.NwkSKey
if len(args) > 1 {
nwkSKey, err = types.ParseNwkSKey(args[1])
if err != nil {
ctx.Fatalf("Invalid NwkSKey: %s", err)
}
} else {
ctx.Info("Generating random NwkSKey...")
copy(nwkSKey[:], random.Bytes(16))
}
var appSKey types.AppSKey
if len(args) > 2 {
appSKey, err = types.ParseAppSKey(args[2])
if err != nil {
ctx.Fatalf("Invalid AppSKey: %s", err)
}
} else {
ctx.Info("Generating random AppSKey...")
copy(appSKey[:], random.Bytes(16))
}
conn, manager := util.GetHandlerManager(ctx, appID)
defer conn.Close()
if !api.ValidID(devID) {
ctx.Fatalf("Invalid Device ID") // TODO: Add link to wiki explaining device IDs
}
appID := util.GetAppID(ctx)
appEUI := util.GetAppEUI(ctx)
var devEUI types.DevEUI
if len(args) > 1 {
devEUI, err = types.ParseDevEUI(args[1])
if err != nil {
ctx.Fatalf("Invalid DevEUI: %s", err)
}
} else {
ctx.Info("Generating random DevEUI...")
copy(devEUI[1:], random.Bytes(7))
}
var appKey types.AppKey
if len(args) > 2 {
appKey, err = types.ParseAppKey(args[2])
if err != nil {
ctx.Fatalf("Invalid AppKey: %s", err)
}
} else {
ctx.Info("Generating random AppKey...")
copy(appKey[:], random.Bytes(16))
}
conn, manager := util.GetHandlerManager(ctx, appID)
defer conn.Close()