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// Copyright (c) 2009 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 CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_RESPONSE_HANDLER_ACTION_H__
#define CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_RESPONSE_HANDLER_ACTION_H__
#include <string>
#include "update_engine/action.h"
#include "update_engine/install_plan.h"
#include "update_engine/omaha_request_action.h"
// This class reads in an Omaha response and converts what it sees into
// an install plan which is passed out.
namespace chromeos_update_engine {
class OmahaResponseHandlerAction;
template<>
class ActionTraits<OmahaResponseHandlerAction> {
public:
typedef OmahaResponse InputObjectType;
typedef InstallPlan OutputObjectType;
};
class OmahaResponseHandlerAction : public Action<OmahaResponseHandlerAction> {
public:
OmahaResponseHandlerAction() : got_no_update_response_(false) {}
typedef ActionTraits<OmahaResponseHandlerAction>::InputObjectType
InputObjectType;
typedef ActionTraits<OmahaResponseHandlerAction>::OutputObjectType
OutputObjectType;
void PerformAction();
// This is a synchronous action, and thus TerminateProcessing() should
// never be called
void TerminateProcessing() { CHECK(false); }
// For unit-testing
void set_boot_device(const std::string& boot_device) {
boot_device_ = boot_device;
}
bool GotNoUpdateResponse() const { return got_no_update_response_; }
const InstallPlan& install_plan() const { return install_plan_; }
// Debugging/logging
static std::string StaticType() { return "OmahaResponseHandlerAction"; }
std::string Type() const { return StaticType(); }
private:
// Assumes you want to install on the "other" device, where the other
// device is what you get if you swap 1 for 2 or 3 for 4 or vice versa
// for the number at the end of the boot device. E.g., /dev/sda1 -> /dev/sda2
// or /dev/sda4 -> /dev/sda3
static bool GetInstallDev(const std::string& boot_dev,
std::string* install_dev);
// set to non-empty in unit tests
std::string boot_device_;
// The install plan, if we have an update.
InstallPlan install_plan_;
// True only if we got a response and the response said no updates
bool got_no_update_response_;
DISALLOW_COPY_AND_ASSIGN(OmahaResponseHandlerAction);
};
} // namespace chromeos_update_engine
#endif // CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_RESPONSE_HANDLER_ACTION_H__