diff options
Diffstat (limited to 'vendor/google.golang.org/grpc/internal/channelz/util_linux.go')
-rw-r--r-- | vendor/google.golang.org/grpc/internal/channelz/util_linux.go | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/vendor/google.golang.org/grpc/internal/channelz/util_linux.go b/vendor/google.golang.org/grpc/internal/channelz/util_linux.go new file mode 100644 index 0000000..fdf409d --- /dev/null +++ b/vendor/google.golang.org/grpc/internal/channelz/util_linux.go | |||
@@ -0,0 +1,39 @@ | |||
1 | // +build linux,!appengine | ||
2 | |||
3 | /* | ||
4 | * | ||
5 | * Copyright 2018 gRPC authors. | ||
6 | * | ||
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 | ||
10 | * | ||
11 | * http://www.apache.org/licenses/LICENSE-2.0 | ||
12 | * | ||
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. | ||
18 | * | ||
19 | */ | ||
20 | |||
21 | package channelz | ||
22 | |||
23 | import ( | ||
24 | "syscall" | ||
25 | ) | ||
26 | |||
27 | // GetSocketOption gets the socket option info of the conn. | ||
28 | func GetSocketOption(socket interface{}) *SocketOptionData { | ||
29 | c, ok := socket.(syscall.Conn) | ||
30 | if !ok { | ||
31 | return nil | ||
32 | } | ||
33 | data := &SocketOptionData{} | ||
34 | if rawConn, err := c.SyscallConn(); err == nil { | ||
35 | rawConn.Control(data.Getsockopt) | ||
36 | return data | ||
37 | } | ||
38 | return nil | ||
39 | } | ||