client6: new async DHCPv6 client like #250.

- Race-condition-averse.
- Supports multiple concurrent requests.
- Tested.
- Requires a fully compatible net.PacketConn.

Signed-off-by: Christopher Koch <chrisko@google.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/dhcpv6/client6/client.go b/dhcpv6/client6/client.go
index b1f8e11..c7bd318 100644
--- a/dhcpv6/client6/client.go
+++ b/dhcpv6/client6/client.go
@@ -199,7 +199,11 @@ func (c *Client) sendReceive(ifname string, packet dhcpv6.DHCPv6, expectedType d
 // an error if any. The modifiers will be applied to the Solicit before sending
 // it, see modifiers.go
 func (c *Client) Solicit(ifname string, modifiers ...dhcpv6.Modifier) (dhcpv6.DHCPv6, dhcpv6.DHCPv6, error) {
-	solicit, err := dhcpv6.NewSolicitForInterface(ifname)
+	iface, err := net.InterfaceByName(ifname)
+	if err != nil {
+		return nil, nil, err
+	}
+	solicit, err := dhcpv6.NewSolicit(iface.HardwareAddr)
 	if err != nil {
 		return nil, nil, err
 	}