mirror of https://github.com/docker/cli.git
38 lines
969 B
Go
38 lines
969 B
Go
/*
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*
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* Copyright 2018 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package channelz
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import (
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"syscall"
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)
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// GetSocketOption gets the socket option info of the conn.
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func GetSocketOption(socket interface{}) *SocketOptionData {
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c, ok := socket.(syscall.Conn)
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if !ok {
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return nil
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}
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data := &SocketOptionData{}
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if rawConn, err := c.SyscallConn(); err == nil {
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rawConn.Control(data.Getsockopt)
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return data
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}
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return nil
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}
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