mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-26 09:42:22 +00:00
49 lines
977 B
Go
49 lines
977 B
Go
package util
|
|
|
|
import (
|
|
"fmt"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
// Endpoint host + port of a node, compatible with net.Addr.
|
|
type Endpoint struct {
|
|
IP [16]byte // TODO: make a uint128 type
|
|
Port uint16
|
|
}
|
|
|
|
// NewEndpoint creates an Endpoint from the given string.
|
|
func NewEndpoint(s string) (e Endpoint) {
|
|
hostPort := strings.Split(s, ":")
|
|
if len(hostPort) != 2 {
|
|
return e
|
|
}
|
|
host := hostPort[0]
|
|
port := hostPort[1]
|
|
|
|
ch := strings.Split(host, ".")
|
|
|
|
buf := [16]byte{}
|
|
var n int
|
|
for i := 0; i < len(ch); i++ {
|
|
n = 12 + i
|
|
nn, _ := strconv.Atoi(ch[i])
|
|
buf[n] = byte(nn)
|
|
}
|
|
|
|
p, _ := strconv.Atoi(port)
|
|
|
|
return Endpoint{buf, uint16(p)}
|
|
}
|
|
|
|
// Network implements the net.Addr interface.
|
|
func (e Endpoint) Network() string { return "tcp" }
|
|
|
|
// String implements the net.Addr interface.
|
|
func (e Endpoint) String() string {
|
|
b := make([]uint8, 4)
|
|
for i := 0; i < 4; i++ {
|
|
b[i] = e.IP[len(e.IP)-4+i]
|
|
}
|
|
return fmt.Sprintf("%d.%d.%d.%d:%d", b[0], b[1], b[2], b[3], e.Port)
|
|
}
|