// newConnection creates a new connection
func newConnection(url url.URL, dialTimeout time.Duration, allowInsecure, enableV2 bool) *connection {
var isV2 *bool
if !enableV2 {
v2 := false
isV2 = &v2
}
var transport http.RoundTripper
if allowInsecure {
transport = kutil.SetTransportDefaults(&http.Transport{
Dial: (&net.Dialer{
Timeout: dialTimeout,
KeepAlive: 30 * time.Second,
}).Dial,
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
})
} else {
transport = kutil.SetTransportDefaults(&http.Transport{
Dial: (&net.Dialer{
Timeout: dialTimeout,
KeepAlive: 30 * time.Second,
}).Dial,
})
}
switch {
case bool(glog.V(9)):
transport = kclient.NewDebuggingRoundTripper(transport, kclient.CurlCommand, kclient.URLTiming, kclient.ResponseHeaders)
case bool(glog.V(8)):
transport = kclient.NewDebuggingRoundTripper(transport, kclient.JustURL, kclient.RequestHeaders, kclient.ResponseStatus, kclient.ResponseHeaders)
case bool(glog.V(7)):
transport = kclient.NewDebuggingRoundTripper(transport, kclient.JustURL, kclient.RequestHeaders, kclient.ResponseStatus)
case bool(glog.V(6)):
transport = kclient.NewDebuggingRoundTripper(transport, kclient.URLTiming)
}
jar, _ := cookiejar.New(nil)
client := &http.Client{Jar: jar, Transport: transport}
return &connection{
url: url,
client: client,
cached: make(map[string]repository),
isV2: isV2,
allowInsecure: allowInsecure,
}
}
// Dial 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.
func (e *streamExecutor) Dial(protocols ...string) (httpstream.Connection, string, error) {
transport := e.transport
// TODO consider removing this and reusing client.TransportFor above to get this for free
switch {
case bool(glog.V(9)):
transport = client.NewDebuggingRoundTripper(transport, client.CurlCommand, client.URLTiming, client.ResponseHeaders)
case bool(glog.V(8)):
transport = client.NewDebuggingRoundTripper(transport, client.JustURL, client.RequestHeaders, client.ResponseStatus, client.ResponseHeaders)
case bool(glog.V(7)):
transport = client.NewDebuggingRoundTripper(transport, client.JustURL, client.RequestHeaders, client.ResponseStatus)
case bool(glog.V(6)):
transport = client.NewDebuggingRoundTripper(transport, client.URLTiming)
}
// TODO the client probably shouldn't be created here, as it doesn't allow
// flexibility to allow callers to configure it.
client := &http.Client{Transport: transport}
req, err := http.NewRequest(e.method, e.url.String(), nil)
if err != nil {
return nil, "", fmt.Errorf("error creating request: %v", err)
}
for i := range protocols {
req.Header.Add(httpstream.HeaderProtocolVersion, protocols[i])
}
resp, err := client.Do(req)
if err != nil {
return nil, "", fmt.Errorf("error sending request: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusSwitchingProtocols {
return nil, "", fmt.Errorf("unexpected response status code %d (%s)", resp.StatusCode, http.StatusText(resp.StatusCode))
}
conn, err := e.upgrader.NewConnection(resp)
if err != nil {
return nil, "", err
}
return conn, resp.Header.Get(httpstream.HeaderProtocolVersion), nil
}