mirror of https://github.com/linkerd/linkerd2.git
98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
package addr
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import (
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"fmt"
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"strconv"
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"strings"
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pb "github.com/linkerd/linkerd2-proxy-api/go/net"
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"github.com/linkerd/linkerd2/controller/gen/public"
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)
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func PublicAddressToString(addr *public.TcpAddress) string {
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octects := decodeIPToOctets(addr.GetIp().GetIpv4())
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return fmt.Sprintf("%d.%d.%d.%d:%d", octects[0], octects[1], octects[2], octects[3], addr.GetPort())
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}
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func PublicIPToString(ip *public.IPAddress) string {
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octets := decodeIPToOctets(ip.GetIpv4())
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return fmt.Sprintf("%d.%d.%d.%d", octets[0], octets[1], octets[2], octets[3])
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}
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func ProxyAddressToString(addr *pb.TcpAddress) string {
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octects := decodeIPToOctets(addr.GetIp().GetIpv4())
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return fmt.Sprintf("%d.%d.%d.%d:%d", octects[0], octects[1], octects[2], octects[3], addr.GetPort())
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}
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func ProxyAddressesToString(addrs []pb.TcpAddress) string {
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addrStrs := make([]string, len(addrs))
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for i := range addrs {
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addrStrs[i] = ProxyAddressToString(&addrs[i])
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}
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return "[" + strings.Join(addrStrs, ",") + "]"
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}
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func ProxyIPToString(ip *pb.IPAddress) string {
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octets := decodeIPToOctets(ip.GetIpv4())
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return fmt.Sprintf("%d.%d.%d.%d", octets[0], octets[1], octets[2], octets[3])
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}
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func ProxyIPV4(a1, a2, a3, a4 uint8) *pb.IPAddress {
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ip := (uint32(a1) << 24) | (uint32(a2) << 16) | (uint32(a3) << 8) | uint32(a4)
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return &pb.IPAddress{
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Ip: &pb.IPAddress_Ipv4{
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Ipv4: ip,
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},
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}
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}
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func ParseProxyIPV4(ip string) (*pb.IPAddress, error) {
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segments := strings.Split(ip, ".")
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if len(segments) != 4 {
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return nil, fmt.Errorf("Invalid IP address: %s", ip)
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}
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octets := [4]uint8{0, 0, 0, 0}
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for i, segment := range segments {
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octet, err := strconv.ParseUint(segment, 10, 8)
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if err != nil {
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return nil, fmt.Errorf("Invalid IP segment: %s", segment)
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}
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octets[i] = uint8(octet)
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}
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return ProxyIPV4(octets[0], octets[1], octets[2], octets[3]), nil
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}
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func PublicIPV4(a1, a2, a3, a4 uint8) *public.IPAddress {
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ip := (uint32(a1) << 24) | (uint32(a2) << 16) | (uint32(a3) << 8) | uint32(a4)
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return &public.IPAddress{
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Ip: &public.IPAddress_Ipv4{
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Ipv4: ip,
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},
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}
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}
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func ParsePublicIPV4(ip string) (*public.IPAddress, error) {
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segments := strings.Split(ip, ".")
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if len(segments) != 4 {
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return nil, fmt.Errorf("Invalid IP address: %s", ip)
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}
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octets := [4]uint8{0, 0, 0, 0}
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for i, segment := range segments {
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octet, err := strconv.ParseUint(segment, 10, 8)
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if err != nil {
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return nil, fmt.Errorf("Invalid IP segment: %s", segment)
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}
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octets[i] = uint8(octet)
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}
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return PublicIPV4(octets[0], octets[1], octets[2], octets[3]), nil
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}
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func decodeIPToOctets(ip uint32) [4]uint8 {
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return [4]uint8{
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uint8(ip >> 24 & 255),
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uint8(ip >> 16 & 255),
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uint8(ip >> 8 & 255),
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uint8(ip & 255),
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}
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}
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