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// Copyright (c) 2012 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.
// File error statistics gathering.
#ifndef NET_BASE_FILE_STREAM_METRICS_H_
#define NET_BASE_FILE_STREAM_METRICS_H_
namespace net {
enum FileErrorSource {
FILE_ERROR_SOURCE_OPEN = 0,
FILE_ERROR_SOURCE_WRITE,
FILE_ERROR_SOURCE_READ,
FILE_ERROR_SOURCE_SEEK,
FILE_ERROR_SOURCE_FLUSH,
FILE_ERROR_SOURCE_SET_EOF,
FILE_ERROR_SOURCE_GET_SIZE,
FILE_ERROR_SOURCE_COUNT,
};
// UMA error statistics gathering.
// Put the error value into a bucket.
int GetFileErrorUmaBucket(int error);
// The largest bucket number, plus 1.
int MaxFileErrorUmaBucket();
// The highest error value we want to individually report.
int MaxFileErrorUmaValue();
// |error| is a platform-specific error (Windows or Posix).
// |source| indicates the operation that resulted in the error.
// |record| is a flag indicating that we are interested in this error.
void RecordFileError(int error, FileErrorSource source, bool record);
// Gets a description for the source of a file error.
const char* GetFileErrorSourceName(FileErrorSource source);
} // namespace net
#endif // NET_BASE_FILE_STREAM_METRICS_H_