32 lines
727 B
Go
32 lines
727 B
Go
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// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build !go1.9
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// +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
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package netreflect
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import (
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"net"
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"reflect"
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"runtime"
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)
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func socketOf(c net.Conn) (uintptr, error) {
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v := reflect.ValueOf(c)
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switch e := v.Elem(); e.Kind() {
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case reflect.Struct:
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fd := e.FieldByName("conn").FieldByName("fd")
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switch e := fd.Elem(); e.Kind() {
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case reflect.Struct:
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sysfd := e.FieldByName("sysfd")
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if runtime.GOOS == "windows" {
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return uintptr(sysfd.Uint()), nil
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}
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return uintptr(sysfd.Int()), nil
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}
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}
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return 0, errInvalidType
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}
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