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107c1cdb | 1 | // +build linux,!appengine |
15c0b25d AP |
2 | |
3 | /* | |
4 | * | |
107c1cdb | 5 | * Copyright 2018 gRPC authors. |
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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 | ||
107c1cdb | 21 | package channelz |
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22 | |
23 | import ( | |
107c1cdb | 24 | "syscall" |
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25 | ) |
26 | ||
107c1cdb ND |
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 | |
15c0b25d | 32 | } |
107c1cdb ND |
33 | data := &SocketOptionData{} |
34 | if rawConn, err := c.SyscallConn(); err == nil { | |
35 | rawConn.Control(data.Getsockopt) | |
36 | return data | |
37 | } | |
38 | return nil | |
39 | } |