Update dependencies

vendor/github.com/go-ping/ping/packetconn.go

@@ -0,0 +1,86 @@
+package ping
+
+import (
+	"net"
+	"runtime"
+	"time"
+
+	"golang.org/x/net/icmp"
+	"golang.org/x/net/ipv4"
+	"golang.org/x/net/ipv6"
+)
+
+type packetConn interface {
+	Close() error
+	ICMPRequestType() icmp.Type
+	ReadFrom(b []byte) (n int, ttl int, src net.Addr, err error)
+	SetFlagTTL() error
+	SetReadDeadline(t time.Time) error
+	WriteTo(b []byte, dst net.Addr) (int, error)
+}
+
+type icmpConn struct {
+	c *icmp.PacketConn
+}
+
+func (c *icmpConn) Close() error {
+	return c.c.Close()
+}
+
+func (c *icmpConn) SetReadDeadline(t time.Time) error {
+	return c.c.SetReadDeadline(t)
+}
+
+func (c *icmpConn) WriteTo(b []byte, dst net.Addr) (int, error) {
+	return c.c.WriteTo(b, dst)
+}
+
+type icmpv4Conn struct {
+	icmpConn
+}
+
+func (c *icmpv4Conn) SetFlagTTL() error {
+	err := c.c.IPv4PacketConn().SetControlMessage(ipv4.FlagTTL, true)
+	if runtime.GOOS == "windows" {
+		return nil
+	}
+	return err
+}
+
+func (c *icmpv4Conn) ReadFrom(b []byte) (int, int, net.Addr, error) {
+	var ttl int
+	n, cm, src, err := c.c.IPv4PacketConn().ReadFrom(b)
+	if cm != nil {
+		ttl = cm.TTL
+	}
+	return n, ttl, src, err
+}
+
+func (c icmpv4Conn) ICMPRequestType() icmp.Type {
+	return ipv4.ICMPTypeEcho
+}
+
+type icmpV6Conn struct {
+	icmpConn
+}
+
+func (c *icmpV6Conn) SetFlagTTL() error {
+	err := c.c.IPv6PacketConn().SetControlMessage(ipv6.FlagHopLimit, true)
+	if runtime.GOOS == "windows" {
+		return nil
+	}
+	return err
+}
+
+func (c *icmpV6Conn) ReadFrom(b []byte) (int, int, net.Addr, error) {
+	var ttl int
+	n, cm, src, err := c.c.IPv6PacketConn().ReadFrom(b)
+	if cm != nil {
+		ttl = cm.HopLimit
+	}
+	return n, ttl, src, err
+}
+
+func (c icmpV6Conn) ICMPRequestType() icmp.Type {
+	return ipv6.ICMPTypeEchoRequest
+}