Thanos did someting

[bytom/vapor.git] / vendor / golang.org / x / net / http2 / configure_transport.go

diff --git a/vendor/golang.org/x/net/http2/configure_transport.go b/vendor/golang.org/x/net/http2/configure_transport.go
deleted file mode 100644 (file)
index b65fc6d..0000000
--- a/vendor/golang.org/x/net/http2/configure_transport.go
+++ /dev/null
@@ -1,80 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build go1.6
-
-package http2
-
-import (
-       "crypto/tls"
-       "fmt"
-       "net/http"
-)
-
-func configureTransport(t1 *http.Transport) (*Transport, error) {
-       connPool := new(clientConnPool)
-       t2 := &Transport{
-               ConnPool: noDialClientConnPool{connPool},
-               t1:       t1,
-       }
-       connPool.t = t2
-       if err := registerHTTPSProtocol(t1, noDialH2RoundTripper{t2}); err != nil {
-               return nil, err
-       }
-       if t1.TLSClientConfig == nil {
-               t1.TLSClientConfig = new(tls.Config)
-       }
-       if !strSliceContains(t1.TLSClientConfig.NextProtos, "h2") {
-               t1.TLSClientConfig.NextProtos = append([]string{"h2"}, t1.TLSClientConfig.NextProtos...)
-       }
-       if !strSliceContains(t1.TLSClientConfig.NextProtos, "http/1.1") {
-               t1.TLSClientConfig.NextProtos = append(t1.TLSClientConfig.NextProtos, "http/1.1")
-       }
-       upgradeFn := func(authority string, c *tls.Conn) http.RoundTripper {
-               addr := authorityAddr("https", authority)
-               if used, err := connPool.addConnIfNeeded(addr, t2, c); err != nil {
-                       go c.Close()
-                       return erringRoundTripper{err}
-               } else if !used {
-                       // Turns out we don't need this c.
-                       // For example, two goroutines made requests to the same host
-                       // at the same time, both kicking off TCP dials. (since protocol
-                       // was unknown)
-                       go c.Close()
-               }
-               return t2
-       }
-       if m := t1.TLSNextProto; len(m) == 0 {
-               t1.TLSNextProto = map[string]func(string, *tls.Conn) http.RoundTripper{
-                       "h2": upgradeFn,
-               }
-       } else {
-               m["h2"] = upgradeFn
-       }
-       return t2, nil
-}
-
-// registerHTTPSProtocol calls Transport.RegisterProtocol but
-// converting panics into errors.
-func registerHTTPSProtocol(t *http.Transport, rt http.RoundTripper) (err error) {
-       defer func() {
-               if e := recover(); e != nil {
-                       err = fmt.Errorf("%v", e)
-               }
-       }()
-       t.RegisterProtocol("https", rt)
-       return nil
-}
-
-// noDialH2RoundTripper is a RoundTripper which only tries to complete the request
-// if there's already has a cached connection to the host.
-type noDialH2RoundTripper struct{ t *Transport }
-
-func (rt noDialH2RoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
-       res, err := rt.t.RoundTrip(req)
-       if err == ErrNoCachedConn {
-               return nil, http.ErrSkipAltProtocol
-       }
-       return res, err
-}