net/base/net_errors.cc

   1 // Copyright (c) 2011 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 #include "net/base/net_errors.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/metrics/histogram.h"
   9 #include "base/stringize_macros.h"
  10
  11 namespace {
  12
  13 // Get all valid error codes into an array as positive numbers, for use in the
  14 // |GetAllErrorCodesForUma| function below.
  15 #define NET_ERROR(label, value) -(value),
  16 const int kAllErrorCodes[] = {
  17 #include "net/base/net_error_list.h"
  18 };
  19 #undef NET_ERROR
  20
  21 }  // namespace
  22
  23 namespace net {
  24
  25 const char kErrorDomain[] = "net";
  26
  27 const char* ErrorToString(int error) {
  28   if (error == 0)
  29     return "net::OK";
  30
  31   switch (error) {
  32 #define NET_ERROR(label, value) \
  33   case ERR_ ## label: \
  34     return "net::" STRINGIZE_NO_EXPANSION(ERR_ ## label);
  35 #include "net/base/net_error_list.h"
  36 #undef NET_ERROR
  37   default:
  38     return "net::<unknown>";
  39   }
  40 }
  41
  42 std::vector<int> GetAllErrorCodesForUma() {
  43   return base::CustomHistogram::ArrayToCustomRanges(
  44       kAllErrorCodes, arraysize(kAllErrorCodes));
  45 }
  46
  47 }  // namespace net