chromium/components/update_client/request_sender.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_UPDATE_CLIENT_REQUEST_SENDER_H_
#define COMPONENTS_UPDATE_CLIENT_REQUEST_SENDER_H_

#include <stdint.h>

#include <memory>
#include <string>
#include <vector>

#include "base/containers/flat_map.h"
#include "base/functional/callback.h"
#include "base/memory/ref_counted.h"
#include "base/sequence_checker.h"
#include "url/gurl.h"

namespace client_update_protocol {
class Ecdsa;
}

namespace update_client {

class Configurator;
class NetworkFetcher;

// Sends a request to one of the urls provided. The class implements a chain
// of responsibility design pattern, where the urls are tried in the order they
// are specified, until the request to one of them succeeds or all have failed.
// CUP signing is optional.
class RequestSender { … };

}  // namespace update_client

#endif  // COMPONENTS_UPDATE_CLIENT_REQUEST_SENDER_H_