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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_UPDATE_CLIENT_PROTOCOL_BUILDER_H_
#define COMPONENTS_UPDATE_CLIENT_PROTOCOL_BUILDER_H_
#include <memory>
#include <string>
#include <vector>
#include "components/update_client/component.h"
#include "components/update_client/crx_downloader.h"
#include "components/update_client/updater_state.h"
namespace update_client {
class Configurator;
class PersistedData;
// Builds an update check request for |components|. |additional_attributes| is
// serialized as part of the <request> element of the request to customize it
// with data that is not platform or component specific. For each |item|, a
// corresponding <app> element is created and inserted as a child node of
// the <request>.
//
// <request protocol="3.0"....>
// <app appid="hnimpnehoodheedghdeeijklkeaacbdc"
// version="0.1.2.3" installsource="ondemand">
// <updatecheck/>
// <packages>
// <package fp="abcd"/>
// </packages>
// </app>
// </request>
std::string BuildUpdateCheckRequest(
const Configurator& config,
const std::vector<std::string>& ids_checked,
const IdToComponentPtrMap& components,
PersistedData* metadata,
const std::string& additional_attributes,
bool enabled_component_updates,
const std::unique_ptr<UpdaterState::Attributes>& updater_state_attributes);
// Builds a ping request for the specified component. The request contains one
// or more ping events associated with this component. The events are
// serialized as children of the <app> node. For example:
//
// <request protocol="3.0"....>
// <app appid="hnimpnehoodheedghdeeijklkeaacbdc"
// version="1.0" nextversion="2.0">
// <event eventtype="3" eventresult="1"/>
// <event eventtype="14\" eventresult="0" downloader="direct"
// "errorcode="-1" url="http://host1/path1" downloaded="123"
// "total="456"/>
// </app>
// </request>
std::string BuildEventPingRequest(const Configurator& config,
const Component& component);
// Returns a string representing one ping event for the update of a component.
// The event type for this ping event is 3.
std::string BuildUpdateCompleteEventElement(const Component& component);
// Returns a string representing one ping event for the uninstall of a
// component. The event type for this ping event is 4.
std::string BuildUninstalledEventElement(const Component& component);
// Returns a string representing a download complete event corresponding to
// one download metrics instance. The event type for this ping event is 14.
std::string BuildDownloadCompleteEventElement(
const CrxDownloader::DownloadMetrics& metrics);
std::string BuildActionRunEventElement(bool succeeded,
int error_code,
int extra_code1);
// An update protocol request starts with a common preamble which includes
// version and platform information for Chrome and the operating system,
// followed by a request body, which is the actual payload of the request.
// For example:
//
// <?xml version="1.0" encoding="UTF-8"?>
// <request protocol="3.0" version="chrome-32.0.1.0" prodversion="32.0.1.0"
// requestid="{7383396D-B4DD-46E1-9104-AAC6B918E792}"
// updaterchannel="canary" arch="x86" nacl_arch="x86-64"
// ADDITIONAL ATTRIBUTES>
// <hw physmemory="16"/>
// <os platform="win" version="6.1" arch="x86"/>
// ... REQUEST BODY ...
// </request>
// Builds a protocol request string by creating the outer envelope for
// the request and including the request body specified as a parameter.
// If present, the |download_preference| specifies a group policy that
// affects the list of download URLs returned in the update response.
// If specified, |additional_attributes| are appended as attributes of the
// request element. The additional attributes have to be well-formed for
// insertion in the request element. |updater_state_attributes| is an optional
// parameter specifying that an <updater> element is serialized as part of
// the request.
std::string BuildProtocolRequest(
const std::string& prod_id,
const std::string& browser_version,
const std::string& channel,
const std::string& lang,
const std::string& os_long_name,
const std::string& download_preference,
const std::string& request_body,
const std::string& additional_attributes,
const std::unique_ptr<UpdaterState::Attributes>& updater_state_attributes);
} // namespace update_client
#endif // COMPONENTS_UPDATE_CLIENT_PROTOCOL_BUILDER_H_
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