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