func NewNexthopActionFromApiStruct(a *NexthopAction) (*table.NexthopAction, error) {
if a == nil {
return nil, nil
}
return table.NewNexthopAction(config.BgpNextHopType(
func() string {
if a.Self {
return "self"
}
return a.Address
}(),
))
}
func modAction(name, op string, args []string) error {
stmt := config.Statement{
Name: name,
}
usage := fmt.Sprintf("usage: gobgp policy statement %s %s action", name, op)
if len(args) < 1 {
return fmt.Errorf("%s { reject | accept | community | ext-community | large-community | med | local-pref | as-prepend | next-hop }", usage)
}
typ := args[0]
args = args[1:]
switch typ {
case "reject":
stmt.Actions.RouteDisposition = config.ROUTE_DISPOSITION_REJECT_ROUTE
case "accept":
stmt.Actions.RouteDisposition = config.ROUTE_DISPOSITION_ACCEPT_ROUTE
case "community":
if len(args) < 1 {
return fmt.Errorf("%s community { add | remove | replace } <value>...", usage)
}
stmt.Actions.BgpActions.SetCommunity.SetCommunityMethod.CommunitiesList = args[1:]
switch strings.ToLower(args[0]) {
case "add":
stmt.Actions.BgpActions.SetCommunity.Options = string(config.BGP_SET_COMMUNITY_OPTION_TYPE_ADD)
case "remove":
stmt.Actions.BgpActions.SetCommunity.Options = string(config.BGP_SET_COMMUNITY_OPTION_TYPE_REMOVE)
case "replace":
stmt.Actions.BgpActions.SetCommunity.Options = string(config.BGP_SET_COMMUNITY_OPTION_TYPE_REPLACE)
default:
return fmt.Errorf("%s community { add | remove | replace } <value>...", usage)
}
case "ext-community":
if len(args) < 1 {
return fmt.Errorf("%s ext-community { add | remove | replace } <value>...", usage)
}
stmt.Actions.BgpActions.SetExtCommunity.SetExtCommunityMethod.CommunitiesList = args[1:]
switch strings.ToLower(args[0]) {
case "add":
stmt.Actions.BgpActions.SetExtCommunity.Options = string(config.BGP_SET_COMMUNITY_OPTION_TYPE_ADD)
case "remove":
stmt.Actions.BgpActions.SetExtCommunity.Options = string(config.BGP_SET_COMMUNITY_OPTION_TYPE_REMOVE)
case "replace":
stmt.Actions.BgpActions.SetExtCommunity.Options = string(config.BGP_SET_COMMUNITY_OPTION_TYPE_REPLACE)
default:
return fmt.Errorf("%s ext-community { add | remove | replace } <value>...", usage)
}
case "large-community":
if len(args) < 1 {
return fmt.Errorf("%s large-community { add | remove | replace } <value>...", usage)
}
stmt.Actions.BgpActions.SetLargeCommunity.SetLargeCommunityMethod.CommunitiesList = args[1:]
switch strings.ToLower(args[0]) {
case "add":
stmt.Actions.BgpActions.SetLargeCommunity.Options = config.BGP_SET_COMMUNITY_OPTION_TYPE_ADD
case "remove":
stmt.Actions.BgpActions.SetLargeCommunity.Options = config.BGP_SET_COMMUNITY_OPTION_TYPE_REMOVE
case "replace":
stmt.Actions.BgpActions.SetLargeCommunity.Options = config.BGP_SET_COMMUNITY_OPTION_TYPE_REPLACE
default:
return fmt.Errorf("%s large-community { add | remove | replace } <value>...", usage)
}
case "med":
if len(args) < 2 {
return fmt.Errorf("%s med { add | sub | set } <value>", usage)
}
med, err := strconv.Atoi(args[1])
if err != nil {
return err
}
switch strings.ToLower(args[0]) {
case "add":
stmt.Actions.BgpActions.SetMed = config.BgpSetMedType(fmt.Sprintf("+%d", med))
case "sub":
stmt.Actions.BgpActions.SetMed = config.BgpSetMedType(fmt.Sprintf("-%d", med))
case "set":
stmt.Actions.BgpActions.SetMed = config.BgpSetMedType(fmt.Sprintf("%d", med))
default:
return fmt.Errorf("%s med { add | sub | set } <value>", usage)
}
case "local-pref":
if len(args) < 1 {
return fmt.Errorf("%s local-pref <value>", usage)
}
value, err := strconv.ParseUint(args[0], 10, 32)
if err != nil {
return err
}
stmt.Actions.BgpActions.SetLocalPref = uint32(value)
case "as-prepend":
if len(args) < 2 {
return fmt.Errorf("%s as-prepend { <asn> | last-as } <repeat-value>", usage)
}
stmt.Actions.BgpActions.SetAsPathPrepend.As = args[0]
repeat, err := strconv.Atoi(args[1])
if err != nil {
return err
}
stmt.Actions.BgpActions.SetAsPathPrepend.RepeatN = uint8(repeat)
case "next-hop":
if len(args) != 1 {
return fmt.Errorf("%s next-hop { <value> | self }", usage)
}
stmt.Actions.BgpActions.SetNextHop = config.BgpNextHopType(args[0])
}
t, err := table.NewStatement(stmt)
switch op {
case CMD_ADD:
err = client.AddStatement(t)
case CMD_DEL:
err = client.DeleteStatement(t, false)
case CMD_SET:
err = client.ReplaceStatement(t)
default:
return fmt.Errorf("invalid operation: %s", op)
}
return err
}