1 // +build !linux appengine
5 * Copyright 2018 gRPC authors.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
26 "google.golang.org/grpc/grpclog"
31 // SocketOptionData defines the struct to hold socket option data, and related
32 // getter function to obtain info from fd.
33 // Windows OS doesn't support Socket Option
34 type SocketOptionData struct {
37 // Getsockopt defines the function to get socket options requested by channelz.
38 // It is to be passed to syscall.RawConn.Control().
39 // Windows OS doesn't support Socket Option
40 func (s *SocketOptionData) Getsockopt(fd uintptr) {
42 grpclog.Warningln("Channelz: socket options are not supported on non-linux os and appengine.")