func (path *Path) SetLargeCommunities(cs []*bgp.LargeCommunity, doReplace bool) {
a := path.getPathAttr(bgp.BGP_ATTR_TYPE_LARGE_COMMUNITY)
if a == nil || doReplace {
path.setPathAttr(bgp.NewPathAttributeLargeCommunities(cs))
} else {
l := a.(*bgp.PathAttributeLargeCommunities).Values
path.setPathAttr(bgp.NewPathAttributeLargeCommunities(append(l, cs...)))
}
}
func extractLargeCommunity(args []string) ([]string, bgp.PathAttributeInterface, error) {
for idx, arg := range args {
if arg == "large-community" && len(args) > (idx+1) {
elems := strings.Split(args[idx+1], ",")
comms := make([]*bgp.LargeCommunity, 0, 1)
for _, elem := range elems {
c, err := bgp.ParseLargeCommunity(elem)
if err != nil {
return nil, nil, err
}
comms = append(comms, c)
}
args = append(args[:idx], args[idx+2:]...)
return args, bgp.NewPathAttributeLargeCommunities(comms), nil
}
}
return args, nil, nil
}