traefik/vendor/golang.org/x/net/ipv6/helper.go
Julien Salleyron 4360ca14c1 Use h2c from x/net to handle h2c requests
Co-authored-by: Mathieu Lonjaret <mathieu.lonjaret@gmail.com>
2019-07-01 15:08:04 +02:00

59 lines
1.1 KiB
Go

// Copyright 2013 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 ipv6
import (
"errors"
"net"
"runtime"
)
var (
errInvalidConn = errors.New("invalid connection")
errMissingAddress = errors.New("missing address")
errHeaderTooShort = errors.New("header too short")
errInvalidConnType = errors.New("invalid conn type")
errNoSuchInterface = errors.New("no such interface")
errNotImplemented = errors.New("not implemented on " + runtime.GOOS + "/" + runtime.GOARCH)
)
func boolint(b bool) int {
if b {
return 1
}
return 0
}
func netAddrToIP16(a net.Addr) net.IP {
switch v := a.(type) {
case *net.UDPAddr:
if ip := v.IP.To16(); ip != nil && ip.To4() == nil {
return ip
}
case *net.IPAddr:
if ip := v.IP.To16(); ip != nil && ip.To4() == nil {
return ip
}
}
return nil
}
func opAddr(a net.Addr) net.Addr {
switch a.(type) {
case *net.TCPAddr:
if a == nil {
return nil
}
case *net.UDPAddr:
if a == nil {
return nil
}
case *net.IPAddr:
if a == nil {
return nil
}
}
return a
}