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44 lines
921 B
Go
44 lines
921 B
Go
package netutil
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import (
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"net"
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"strconv"
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"strings"
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)
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// An addr that is neither restricted to TCP nor UDP, but has an IP and a port.
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type PortAddr struct {
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IP net.IP
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Port uint16
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}
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// Parses an IP address with a port, for example "209.197.29.196:27017".
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// If the given string is not valid, this function returns nil.
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func ParsePortAddr(addr string) *PortAddr {
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parts := strings.Split(addr, ":")
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if len(parts) != 2 {
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return nil
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}
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ip := net.ParseIP(parts[0])
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if ip == nil {
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return nil
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}
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port, err := strconv.ParseUint(parts[1], 10, 16)
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if err != nil {
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return nil
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}
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return &PortAddr{ip, uint16(port)}
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}
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func (p *PortAddr) ToTCPAddr() *net.TCPAddr {
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return &net.TCPAddr{p.IP, int(p.Port), ""}
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}
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func (p *PortAddr) ToUDPAddr() *net.UDPAddr {
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return &net.UDPAddr{p.IP, int(p.Port), ""}
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}
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func (p *PortAddr) String() string {
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return p.IP.String() + ":" + strconv.FormatUint(uint64(p.Port), 10)
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}
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