package xds import ( envoy "github.com/envoyproxy/go-control-plane/envoy/api/v2" envoycore "github.com/envoyproxy/go-control-plane/envoy/api/v2/core" "github.com/gogo/protobuf/proto" "github.com/gogo/protobuf/types" prototypes "github.com/gogo/protobuf/types" ) func createResponse(typeURL string, version, nonce string, resources []proto.Message) (*envoy.DiscoveryResponse, error) { anys := make([]types.Any, 0, len(resources)) for _, r := range resources { if r == nil { continue } if any, ok := r.(*types.Any); ok { anys = append(anys, *any) continue } data, err := proto.Marshal(r) if err != nil { return nil, err } anys = append(anys, types.Any{ TypeUrl: typeURL, Value: data, }) } resp := &envoy.DiscoveryResponse{ VersionInfo: version, Resources: anys, TypeUrl: typeURL, Nonce: nonce, } return resp, nil } func makeAddress(ip string, port int) envoycore.Address { return envoycore.Address{ Address: &envoycore.Address_SocketAddress{ SocketAddress: &envoycore.SocketAddress{ Address: ip, PortSpecifier: &envoycore.SocketAddress_PortValue{ PortValue: uint32(port), }, }, }, } } func makeAddressPtr(ip string, port int) *envoycore.Address { a := makeAddress(ip, port) return &a } func makeUint32Value(n int) *prototypes.UInt32Value { return &prototypes.UInt32Value{Value: uint32(n)} }