cubefs

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// +build linux,!appengine
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/*
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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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