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//
// Copyright (C) 2015 The Android Open Source Project
//
// 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.
//
#ifndef APMANAGER_ERROR_H_
#define APMANAGER_ERROR_H_
#include <memory>
#include <string>
#include <base/location.h>
#include <base/macros.h>
namespace brillo {
class Error;
using ErrorPtr = std::unique_ptr<Error>;
} // namespace brillo
namespace apmanager {
class Error {
public:
enum Type {
kSuccess = 0, // No error.
kOperationInProgress,
kInternalError,
kInvalidArguments,
kInvalidConfiguration,
kNumErrors
};
Error();
~Error();
void Populate(Type type,
const std::string& message,
const tracked_objects::Location& location);
void Reset();
Type type() const { return type_; }
const std::string& message() const { return message_; }
bool IsSuccess() const { return type_ == kSuccess; }
bool IsFailure() const { return !IsSuccess() && !IsOngoing(); }
bool IsOngoing() const { return type_ == kOperationInProgress; }
// Log an error message from |from_here|. If |error| is non-NULL, also
// populate it.
static void PopulateAndLog(Error* error,
Type type,
const std::string& message,
const tracked_objects::Location& from_here);
// TODO(zqiu): put this under a compiler flag (e.g. __DBUS__).
// Sets the D-Bus error and returns true if Error represents failure.
// Leaves error unchanged, and returns false otherwise.
bool ToDBusError(brillo::ErrorPtr* error) const;
private:
friend class ErrorTest;
Type type_;
std::string message_;
tracked_objects::Location location_;
DISALLOW_COPY_AND_ASSIGN(Error);
};
} // namespace apmanager
#endif // APMANAGER_ERROR_H_
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