mirror of
https://github.com/go-i2p/go-i2p-bt.git
synced 2025-07-13 03:53:00 -04:00
106 lines
2.1 KiB
Go
106 lines
2.1 KiB
Go
// Copyright 2020 xgfone, 2023 idk
|
|
//
|
|
// 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 utils
|
|
|
|
import (
|
|
"net"
|
|
"strconv"
|
|
|
|
"github.com/go-i2p/i2pkeys"
|
|
)
|
|
|
|
func NetIPAddr(a net.Addr) net.IP {
|
|
switch a := a.(type) {
|
|
case *net.TCPAddr:
|
|
return a.IP
|
|
case *net.UDPAddr:
|
|
return a.IP
|
|
case *i2pkeys.I2PAddr:
|
|
return net.ParseIP("127.0.0.1")
|
|
case i2pkeys.I2PAddr:
|
|
return net.ParseIP("127.0.0.1")
|
|
default:
|
|
ip, _, err := net.SplitHostPort(a.String())
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
return net.ParseIP(ip)
|
|
}
|
|
}
|
|
|
|
func IPAddr(a net.Addr) string {
|
|
switch a := a.(type) {
|
|
case *net.TCPAddr:
|
|
return a.IP.String()
|
|
case *net.UDPAddr:
|
|
return a.IP.String()
|
|
case *i2pkeys.I2PAddr:
|
|
return a.DestHash().Hash()
|
|
case i2pkeys.I2PAddr:
|
|
return a.DestHash().Hash()
|
|
default:
|
|
ip, _, err := net.SplitHostPort(a.String())
|
|
if err != nil {
|
|
return ""
|
|
}
|
|
return ip
|
|
}
|
|
}
|
|
|
|
func Port(a net.Addr) int {
|
|
switch a := a.(type) {
|
|
case *net.TCPAddr:
|
|
return a.Port
|
|
case *net.UDPAddr:
|
|
return a.Port
|
|
case *i2pkeys.I2PAddr:
|
|
return 6881
|
|
case i2pkeys.I2PAddr:
|
|
return 6881
|
|
default:
|
|
_, port, err := net.SplitHostPort(a.String())
|
|
if err != nil {
|
|
return 0
|
|
}
|
|
iport, err := strconv.Atoi(port)
|
|
if err != nil {
|
|
return 0
|
|
}
|
|
return iport
|
|
}
|
|
}
|
|
|
|
func IsIPv6Addr(addr net.Addr) bool {
|
|
switch xaddr := addr.(type) {
|
|
case *net.UDPAddr:
|
|
return xaddr.IP.To4() == nil
|
|
case *net.TCPAddr:
|
|
return xaddr.IP.To4() == nil
|
|
case *net.IPAddr:
|
|
return xaddr.IP.To4() == nil
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
func IpIsZero(ip net.IP) bool {
|
|
for _, b := range ip {
|
|
if b != 0 {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|