diff options
| -rw-r--r-- | dhcpv6/client.go | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/dhcpv6/client.go b/dhcpv6/client.go index 24b6e0d..79653c8 100644 --- a/dhcpv6/client.go +++ b/dhcpv6/client.go @@ -1,6 +1,7 @@ package dhcpv6 import ( + "errors" "fmt" "net" "time" @@ -127,8 +128,12 @@ func (c *Client) sendReceive(ifname string, packet DHCPv6, expectedType MessageT return nil, err } defer conn.Close() - // wait for the listener to be ready + // wait for the listener to be ready, fail if it takes too much time + deadline := time.Now().Add(time.Second) for { + if now := time.Now(); now.After(deadline) { + return nil, errors.New("Timed out waiting for listener to be ready") + } if conn.LocalAddr() != nil { break } |