net/base/net_errors.cc

   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 #include "net/base/net_errors.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/metrics/histogram.h"
   9 #include "base/strings/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 std::string ErrorToString(int error) {
  28   return "net::" + ErrorToShortString(error);
  29 }
  30
  31 std::string ErrorToShortString(int error) {
  32   if (error == 0)
  33     return "OK";
  34
  35   const char* error_string;
  36   switch (error) {
  37 #define NET_ERROR(label, value) \
  38   case ERR_ ## label: \
  39     error_string = # label; \
  40     break;
  41 #include "net/base/net_error_list.h"
  42 #undef NET_ERROR
  43   default:
  44     NOTREACHED();
  45     error_string = "<unknown>";
  46   }
  47   return std::string("ERR_") + error_string;
  48 }
  49
  50 bool IsCertificateError(int error) {
  51   // Certificate errors are negative integers from net::ERR_CERT_BEGIN
  52   // (inclusive) to net::ERR_CERT_END (exclusive) in *decreasing* order.
  53   // ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN is currently an exception to this
  54   // rule.
  55   return (error <= ERR_CERT_BEGIN && error > ERR_CERT_END) ||
  56          (error == ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN);
  57 }
  58
  59 std::vector<int> GetAllErrorCodesForUma() {
  60   return base::CustomHistogram::ArrayToCustomRanges(
  61       kAllErrorCodes, arraysize(kAllErrorCodes));
  62 }
  63
  64 Error FileErrorToNetError(base::File::Error file_error) {
  65   switch (file_error) {
  66     case base::File::FILE_OK:
  67       return net::OK;
  68     case base::File::FILE_ERROR_ACCESS_DENIED:
  69       return net::ERR_ACCESS_DENIED;
  70     case base::File::FILE_ERROR_INVALID_URL:
  71       return net::ERR_INVALID_URL;
  72     case base::File::FILE_ERROR_NOT_FOUND:
  73       return net::ERR_FILE_NOT_FOUND;
  74     default:
  75       return net::ERR_FAILED;
  76   }
  77 }
  78
  79 }  // namespace net