Merge pull request #71 from ToughLad/master

Fix HTTP/2 build error by implementing RoundTripper adapter

Author: dgrr

configure.go

@@ -11,6 +11,17 @@ import (
 // ErrServerSupport indicates whether the server supports HTTP/2 or not.
 var ErrServerSupport = errors.New("server doesn't support HTTP/2")
 
+// clientAdapter adapts a Client.Do method to implement fasthttp.RoundTripper
+type clientAdapter struct {
+	client *Client
+}
+
+// RoundTrip implements fasthttp.RoundTripper by calling the wrapped client's Do method
+func (ca *clientAdapter) RoundTrip(hc *fasthttp.HostClient, req *fasthttp.Request, resp *fasthttp.Response) (retry bool, err error) {
+	err = ca.client.Do(req, resp)
+	return false, err
+}
+
 func configureDialer(d *Dialer) {
 	if d.TLSConfig == nil {
 		d.TLSConfig = &tls.Config{
@@ -67,7 +78,7 @@ func ConfigureClient(c *fasthttp.HostClient, opts ClientOpts) error {
 	c.IsTLS = true
 	c.TLSConfig = d.TLSConfig
 
-	c.Transport = cl
+	c.Transport = &clientAdapter{client: cl}
 
 	return nil
 }
@@ -79,14 +90,14 @@ func ConfigureClient(c *fasthttp.HostClient, opts ClientOpts) error {
 // Future implementations may support HTTP/2 through plain TCP.
 //
 // This package currently supports the following fasthttp.Server settings:
-//   - Handler: Obviously, the handler is taken from the Server.
-//   - ReadTimeout: Will cancel a stream if the client takes more than ReadTimeout
-//     to send a request. This option NEVER closes the connection.
-//   - IdleTimeout: Will close the connection if the client doesn't send a request
-//     within the IdleTimeout. This option ignores any PING/PONG mechanism.
-//     To disable the option you can set it to zero. No value is taken by default,
-//     which means that by default ALL connections are open until either endpoint
-//     closes the connection.
+// - Handler: Obviously, the handler is taken from the Server.
+// - ReadTimeout: Will cancel a stream if the client takes more than ReadTimeout
+//   to send a request. This option NEVER closes the connection.
+// - IdleTimeout: Will close the connection if the client doesn't send a request
+//   within the IdleTimeout. This option ignores any PING/PONG mechanism.
+//   To disable the option you can set it to zero. No value is taken by default,
+//   which means that by default ALL connections are open until either endpoint
+//   closes the connection.
 func ConfigureServer(s *fasthttp.Server, cnf ServerConfig) *Server {
 	cnf.defaults()
 
@@ -113,4 +124,4 @@ func ConfigureServerAndConfig(s *fasthttp.Server, tlsConfig *tls.Config) *Server
 	return s2
 }
 
-var ErrNotAvailableStreams = errors.New("ran out of available streams")
+var ErrNotAvailableStreams = errors.New("ran out of available streams")