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// Copyright (c) 2011 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 CHROME_BROWSER_CHROMEOS_SYSTEM_SYSLOGS_PROVIDER_H_
#define CHROME_BROWSER_CHROMEOS_SYSTEM_SYSLOGS_PROVIDER_H_
#include <map>
#include <string>
#include "base/callback.h"
#include "chrome/common/cancelable_task_tracker.h"
namespace chromeos {
namespace system {
// Maximum number of bytes in system info log chunk to be still included
// in product specific data.
extern const size_t kFeedbackMaxLength;
// Maximum number of lines in system info log chunk to be still included
// in product specific data.
extern const size_t kFeedbackMaxLineCount;
typedef std::map<std::string, std::string> LogDictionaryType;
// This interface provides access to Chrome OS syslogs.
class SyslogsProvider {
public:
static SyslogsProvider* GetInstance();
// The callback type used with RequestSyslogs().
typedef base::Callback<void(LogDictionaryType*,
std::string*)> ReadCompleteCallback;
// Used to specify the syslogs context with RequestSyslogs().
enum SyslogsContext {
SYSLOGS_FEEDBACK,
SYSLOGS_SYSINFO,
SYSLOGS_NETWORK,
SYSLOGS_DEFAULT
};
// Request system logs. Read happens on the FILE thread and callback is
// called on the thread this is called from. Logs are owned by callback
// function (use delete when done with them).
// Call CancelableTaskTracker::TryCancel() with the returned task ID to cancel
// task and callback.
virtual CancelableTaskTracker::TaskId RequestSyslogs(
bool compress_logs,
SyslogsContext context,
const ReadCompleteCallback& callback,
CancelableTaskTracker* tracker) = 0;
protected:
virtual ~SyslogsProvider() {}
};
} // namespace system
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_SYSTEM_SYSLOGS_PROVIDER_H_
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