func Negotiate(upgrader Upgrader, client *http.Client, req *http.Request, protocols ...string) (httpstream.Connection, string, error)
Negotiate opens a connection to a remote server and attempts to negotiate a SPDY connection. Upon success, it returns the connection and the protocol selected by the server. The client transport must use the upgradeRoundTripper - see RoundTripperFor.
func NewDialer(upgrader Upgrader, client *http.Client, method string, url *url.URL) httpstream.Dialer
NewDialer will create a dialer that connects to the provided URL and upgrades the connection to SPDY.
Upgrader validates a response from the server after a SPDY upgrade.
type Upgrader interface {
// NewConnection validates the response and creates a new Connection.
NewConnection(resp *http.Response) (httpstream.Connection, error)
}
func RoundTripperFor(config *restclient.Config) (http.RoundTripper, Upgrader, error)
RoundTripperFor returns a round tripper and upgrader to use with SPDY.