src/mojo/public/cpp/bindings/lib/validation_errors.cc

   1 // Copyright 2014 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 "mojo/public/cpp/bindings/lib/validation_errors.h"
   6
   7 #include "mojo/public/cpp/environment/logging.h"
   8
   9 namespace mojo {
  10 namespace internal {
  11 namespace {
  12
  13 ValidationErrorObserverForTesting* g_validation_error_observer = nullptr;
  14 SerializationWarningObserverForTesting* g_serialization_warning_observer =
  15     nullptr;
  16
  17 }  // namespace
  18
  19 const char* ValidationErrorToString(ValidationError error) {
  20   switch (error) {
  21     case VALIDATION_ERROR_NONE:
  22       return "VALIDATION_ERROR_NONE";
  23     case VALIDATION_ERROR_MISALIGNED_OBJECT:
  24       return "VALIDATION_ERROR_MISALIGNED_OBJECT";
  25     case VALIDATION_ERROR_ILLEGAL_MEMORY_RANGE:
  26       return "VALIDATION_ERROR_ILLEGAL_MEMORY_RANGE";
  27     case VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER:
  28       return "VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER";
  29     case VALIDATION_ERROR_UNEXPECTED_ARRAY_HEADER:
  30       return "VALIDATION_ERROR_UNEXPECTED_ARRAY_HEADER";
  31     case VALIDATION_ERROR_ILLEGAL_HANDLE:
  32       return "VALIDATION_ERROR_ILLEGAL_HANDLE";
  33     case VALIDATION_ERROR_UNEXPECTED_INVALID_HANDLE:
  34       return "VALIDATION_ERROR_UNEXPECTED_INVALID_HANDLE";
  35     case VALIDATION_ERROR_ILLEGAL_POINTER:
  36       return "VALIDATION_ERROR_ILLEGAL_POINTER";
  37     case VALIDATION_ERROR_UNEXPECTED_NULL_POINTER:
  38       return "VALIDATION_ERROR_UNEXPECTED_NULL_POINTER";
  39     case VALIDATION_ERROR_MESSAGE_HEADER_INVALID_FLAG_COMBINATION:
  40       return "VALIDATION_ERROR_MESSAGE_HEADER_INVALID_FLAG_COMBINATION";
  41     case VALIDATION_ERROR_MESSAGE_HEADER_MISSING_REQUEST_ID:
  42       return "VALIDATION_ERROR_MESSAGE_HEADER_MISSING_REQUEST_ID";
  43     case VALIDATION_ERROR_DIFFERENT_SIZED_ARRAYS_IN_MAP:
  44       return "VALIDATION_ERROR_DIFFERENT_SIZED_ARRAYS_IN_MAP";
  45   }
  46
  47   return "Unknown error";
  48 }
  49
  50 void ReportValidationError(ValidationError error, const char* description) {
  51   if (g_validation_error_observer) {
  52     g_validation_error_observer->set_last_error(error);
  53   } else if (description) {
  54     MOJO_LOG(ERROR) << "Invalid message: " << ValidationErrorToString(error)
  55                     << " (" << description << ")";
  56   } else {
  57     MOJO_LOG(ERROR) << "Invalid message: " << ValidationErrorToString(error);
  58   }
  59 }
  60
  61 ValidationErrorObserverForTesting::ValidationErrorObserverForTesting()
  62     : last_error_(VALIDATION_ERROR_NONE) {
  63   MOJO_DCHECK(!g_validation_error_observer);
  64   g_validation_error_observer = this;
  65 }
  66
  67 ValidationErrorObserverForTesting::~ValidationErrorObserverForTesting() {
  68   MOJO_DCHECK(g_validation_error_observer == this);
  69   g_validation_error_observer = nullptr;
  70 }
  71
  72 bool ReportSerializationWarning(ValidationError error) {
  73   if (g_serialization_warning_observer) {
  74     g_serialization_warning_observer->set_last_warning(error);
  75     return true;
  76   }
  77
  78   return false;
  79 }
  80
  81 SerializationWarningObserverForTesting::SerializationWarningObserverForTesting()
  82     : last_warning_(VALIDATION_ERROR_NONE) {
  83   MOJO_DCHECK(!g_serialization_warning_observer);
  84   g_serialization_warning_observer = this;
  85 }
  86
  87 SerializationWarningObserverForTesting::
  88     ~SerializationWarningObserverForTesting() {
  89   MOJO_DCHECK(g_serialization_warning_observer == this);
  90   g_serialization_warning_observer = nullptr;
  91 }
  92
  93 }  // namespace internal
  94 }  // namespace mojo