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sockaddr.go
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sockaddr.go
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// Author: Niels A.D.
// Project: gowarcraft3 (https://github.com/nielsAD/gowarcraft3)
// License: Mozilla Public License, v2.0
package protocol
import "net"
// SockAddr stores a single socket connection tuple (port+ip) similar to Windows SOCKADDR_IN.
type SockAddr struct {
Port uint16
IP net.IP
}
// Addr converts net.Addr to SockAddr
func Addr(a net.Addr) SockAddr {
switch t := a.(type) {
case *net.UDPAddr:
return SockAddr{
Port: uint16(t.Port),
IP: t.IP,
}
case *net.TCPAddr:
return SockAddr{
Port: uint16(t.Port),
IP: t.IP,
}
case *net.IPAddr:
return SockAddr{
IP: t.IP,
}
default:
return SockAddr{}
}
}
// Equal compares s against o and returns true if they represent the same address
func (s *SockAddr) Equal(o *SockAddr) bool {
return o.Port == s.Port && ((o.IP == nil && s.IP == nil) || o.IP.Equal(s.IP))
}
// IPAddr converts SockAddr to net.IPAddr (ignores port)
func (s *SockAddr) IPAddr() *net.IPAddr {
return &net.IPAddr{
IP: s.IP,
}
}
// UDPAddr converts SockAddr to net.UDPAddr
func (s *SockAddr) UDPAddr() *net.UDPAddr {
return &net.UDPAddr{
IP: s.IP,
Port: int(s.Port),
}
}
// TCPAddr converts SockAddr to net.TCPAddr
func (s *SockAddr) TCPAddr() *net.TCPAddr {
return &net.TCPAddr{
IP: s.IP,
Port: int(s.Port),
}
}