From 60d4779889baedc44972d4749daa073efca3b25c Mon Sep 17 00:00:00 2001
From: Stefan Majewsky <majewsky@gmx.net>
Date: Mon, 19 Feb 2018 21:30:33 +0100
Subject: reorganize code

* Gophercloud dependencies move into subpackage gopherschwift.
* Tests move into subpackage tests (to avoid import cycles).
+ Rename "Client" to "Backend".
---
 backend.go | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 backend.go

(limited to 'backend.go')

diff --git a/backend.go b/backend.go
new file mode 100644
index 0000000..30013b1
--- /dev/null
+++ b/backend.go
@@ -0,0 +1,43 @@
+/******************************************************************************
+*
+*  Copyright 2018 Stefan Majewsky <majewsky@gmx.net>
+*
+*  Licensed under the Apache License, Version 2.0 (the "License");
+*  you may not use this file except in compliance with the License.
+*  You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+*  Unless required by applicable law or agreed to in writing, software
+*  distributed under the License is distributed on an "AS IS" BASIS,
+*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*  See the License for the specific language governing permissions and
+*  limitations under the License.
+*
+******************************************************************************/
+
+package schwift
+
+import (
+	"net/http"
+)
+
+//Backend is the interface between Schwift and the libraries providing
+//authentication for it.
+//
+//TODO list implementations
+type Backend interface {
+	//EndpointURL returns the endpoint URL from the Keystone catalog for the
+	//Swift account that this backend operates on. It should look like
+	//`http://domain.tld/v1/AUTH_projectid/`.
+	EndpointURL() string
+	//Clone returns a deep clone of this backend with the endpoint URL changed to
+	//the given URL.
+	Clone(newEndpointURL string) Backend
+	//Do executes the given HTTP request after adding to it the X-Auth-Token
+	//header containing the backend's current Keystone (or Swift auth) token. It
+	//may also set other headers, such as User-Agent. If the status code returned
+	//is 401, it shall attempt to acquire a new auth token and restart the
+	//request with the new token.
+	Do(req *http.Request) (*http.Response, error)
+}
-- 
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