diff options
Diffstat (limited to 'middleware/proxy/client.go')
| -rw-r--r-- | middleware/proxy/client.go | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/middleware/proxy/client.go b/middleware/proxy/client.go index ba2f439cc..0a35c93e4 100644 --- a/middleware/proxy/client.go +++ b/middleware/proxy/client.go @@ -10,19 +10,19 @@ import ( "github.com/miekg/dns" ) -type Client struct { +type client struct { Timeout time.Duration group *singleflight.Group } -func NewClient() *Client { - return &Client{Timeout: defaultTimeout, group: new(singleflight.Group)} +func newClient() *client { + return &client{Timeout: defaultTimeout, group: new(singleflight.Group)} } // ServeDNS does not satisfy middleware.Handler, instead it interacts with the upstream // and returns the respons or an error. -func (c *Client) ServeDNS(w dns.ResponseWriter, r *dns.Msg, u *UpstreamHost) (*dns.Msg, error) { +func (c *client) ServeDNS(w dns.ResponseWriter, r *dns.Msg, u *UpstreamHost) (*dns.Msg, error) { co, err := net.DialTimeout(request.Proto(w), u.Name, c.Timeout) if err != nil { return nil, err @@ -47,7 +47,7 @@ func (c *Client) ServeDNS(w dns.ResponseWriter, r *dns.Msg, u *UpstreamHost) (*d return reply, nil } -func (c *Client) Exchange(m *dns.Msg, co net.Conn) (*dns.Msg, time.Duration, error) { +func (c *client) Exchange(m *dns.Msg, co net.Conn) (*dns.Msg, time.Duration, error) { t := "nop" if t1, ok := dns.TypeToString[m.Question[0].Qtype]; ok { t = t1 @@ -76,7 +76,7 @@ func (c *Client) Exchange(m *dns.Msg, co net.Conn) (*dns.Msg, time.Duration, err // exchange does *not* return a pointer to dns.Msg because that leads to buffer reuse when // group.Do is used in Exchange. -func (c *Client) exchange(m *dns.Msg, co net.Conn) (dns.Msg, error) { +func (c *client) exchange(m *dns.Msg, co net.Conn) (dns.Msg, error) { opt := m.IsEdns0() udpsize := uint16(dns.MinMsgSize) |