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      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
     80