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Diffstat (limited to 'chromium/net/base/file_stream_metrics.h')
-rw-r--r-- | chromium/net/base/file_stream_metrics.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/chromium/net/base/file_stream_metrics.h b/chromium/net/base/file_stream_metrics.h new file mode 100644 index 00000000000..14988aad82e --- /dev/null +++ b/chromium/net/base/file_stream_metrics.h @@ -0,0 +1,43 @@ +// 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_ |