make it possible to wrap the client transport in another one

Signed-off-by: Mike Lundy <mike@fluffypenguin.org>
This commit is contained in:
Mike Lundy 2019-08-22 17:33:51 -04:00
parent 1fb7fffdb2
commit c486db2d71
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@ -6,6 +6,13 @@ import (
"sync"
)
func identityTransportWrapper(rt http.RoundTripper) http.RoundTripper {
return rt
}
// DefaultTransportWrapper allows a user to wrap every generated transport
var DefaultTransportWrapper = identityTransportWrapper
// RequestModifier represents an object which will do an inplace
// modification of an HTTP request.
type RequestModifier interface {
@ -31,10 +38,11 @@ func (h headerModifier) ModifyRequest(req *http.Request) error {
// NewTransport creates a new transport which will apply modifiers to
// the request on a RoundTrip call.
func NewTransport(base http.RoundTripper, modifiers ...RequestModifier) http.RoundTripper {
return &transport{
Modifiers: modifiers,
Base: base,
}
return DefaultTransportWrapper(
&transport{
Modifiers: modifiers,
Base: base,
})
}
// transport is an http.RoundTripper that makes HTTP requests after