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_COUNT, 21 }; 22 23 // UMA error statistics gathering. 24 // Put the error value into a bucket. 25 int GetFileErrorUmaBucket(int error); 26 27 // The largest bucket number, plus 1. 28 int MaxFileErrorUmaBucket(); 29 30 // The highest error value we want to individually report. 31 int MaxFileErrorUmaValue(); 32 33 // |error| is a platform-specific error (Windows or Posix). 34 // |source| indicates the operation that resulted in the error. 35 // |record| is a flag indicating that we are interested in this error. 36 void RecordFileError(int error, FileErrorSource source, bool record); 37 38 // Gets a description for the source of a file error. 39 const char* GetFileErrorSourceName(FileErrorSource source); 40 41 } // namespace net 42 43 #endif // NET_BASE_FILE_STREAM_METRICS_H_ 44
