1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // File error statistics gathering. 6 7 #ifndef NET_BASE_FILE_STREAM_METRICS_H_ 8 #define NET_BASE_FILE_STREAM_METRICS_H_ 9 10 namespace net { 11 12 enum FileErrorSource { 13 FILE_ERROR_SOURCE_OPEN = 0, 14 FILE_ERROR_SOURCE_WRITE, 15 FILE_ERROR_SOURCE_READ, 16 FILE_ERROR_SOURCE_SEEK, 17 FILE_ERROR_SOURCE_FLUSH, 18 FILE_ERROR_SOURCE_SET_EOF, 19 FILE_ERROR_SOURCE_GET_SIZE, 20 FILE_ERROR_SOURCE_CLOSE, 21 FILE_ERROR_SOURCE_COUNT, 22 }; 23 24 // UMA error statistics gathering. 25 // Put the error value into a bucket. 26 int GetFileErrorUmaBucket(int error); 27 28 // The largest bucket number, plus 1. 29 int MaxFileErrorUmaBucket(); 30 31 // The highest error value we want to individually report. 32 int MaxFileErrorUmaValue(); 33 34 // |error| is a platform-specific error (Windows or Posix). 35 // |source| indicates the operation that resulted in the error. 36 // |record| is a flag indicating that we are interested in this error. 37 void RecordFileError(int error, FileErrorSource source, bool record); 38 39 // Gets a description for the source of a file error. 40 const char* GetFileErrorSourceName(FileErrorSource source); 41 42 } // namespace net 43 44 #endif // NET_BASE_FILE_STREAM_METRICS_H_ 45
