syncthing/vendor/golang.org/x/net/internal/netreflect/socket.go

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2016-09-13 19:47:00 +00:00
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package netreflect implements run-time reflection for the
// facilities of net package.
package netreflect
import (
"errors"
"net"
)
var (
errInvalidType = errors.New("invalid type")
errOpNoSupport = errors.New("operation not supported")
)
// SocketOf returns the socket descriptor of c.
func SocketOf(c net.Conn) (uintptr, error) {
switch c.(type) {
case *net.TCPConn, *net.UDPConn, *net.IPConn, *net.UnixConn:
return socketOf(c)
default:
return 0, errInvalidType
}
}
// PacketSocketOf returns the socket descriptor of c.
func PacketSocketOf(c net.PacketConn) (uintptr, error) {
switch c.(type) {
case *net.UDPConn, *net.IPConn, *net.UnixConn:
return socketOf(c.(net.Conn))
default:
return 0, errInvalidType
}
}