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 = NULL;
  14
  15 }  // namespace
  16
  17 const char* ValidationErrorToString(ValidationError error) {
  18   switch (error) {
  19     case VALIDATION_ERROR_NONE:
  20       return "VALIDATION_ERROR_NONE";
  21     case VALIDATION_ERROR_MISALIGNED_OBJECT:
  22       return "VALIDATION_ERROR_MISALIGNED_OBJECT";
  23     case VALIDATION_ERROR_ILLEGAL_MEMORY_RANGE:
  24       return "VALIDATION_ERROR_ILLEGAL_MEMORY_RANGE";
  25     case VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER:
  26       return "VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER";
  27     case VALIDATION_ERROR_UNEXPECTED_ARRAY_HEADER:
  28       return "VALIDATION_ERROR_UNEXPECTED_ARRAY_HEADER";
  29     case VALIDATION_ERROR_ILLEGAL_HANDLE:
  30       return "VALIDATION_ERROR_ILLEGAL_HANDLE";
  31     case VALIDATION_ERROR_UNEXPECTED_INVALID_HANDLE:
  32       return "VALIDATION_ERROR_UNEXPECTED_INVALID_HANDLE";
  33     case VALIDATION_ERROR_ILLEGAL_POINTER:
  34       return "VALIDATION_ERROR_ILLEGAL_POINTER";
  35     case VALIDATION_ERROR_UNEXPECTED_NULL_POINTER:
  36       return "VALIDATION_ERROR_UNEXPECTED_NULL_POINTER";
  37     case VALIDATION_ERROR_MESSAGE_HEADER_INVALID_FLAG_COMBINATION:
  38       return "VALIDATION_ERROR_MESSAGE_HEADER_INVALID_FLAG_COMBINATION";
  39     case VALIDATION_ERROR_MESSAGE_HEADER_MISSING_REQUEST_ID:
  40       return "VALIDATION_ERROR_MESSAGE_HEADER_MISSING_REQUEST_ID";
  41   }
  42
  43   return "Unknown error";
  44 }
  45
  46 void ReportValidationError(ValidationError error) {
  47   if (g_validation_error_observer)
  48     g_validation_error_observer->set_last_error(error);
  49   else
  50     MOJO_LOG(ERROR) << "Invalid message: " << ValidationErrorToString(error);
  51 }
  52
  53 ValidationErrorObserverForTesting::ValidationErrorObserverForTesting()
  54     : last_error_(VALIDATION_ERROR_NONE) {
  55   MOJO_DCHECK(!g_validation_error_observer);
  56   g_validation_error_observer = this;
  57   MOJO_LOG(WARNING) << "Non-nullable validation is turned on for testing but "
  58                     << "not for production code yet!";
  59 }
  60
  61 ValidationErrorObserverForTesting::~ValidationErrorObserverForTesting() {
  62   MOJO_DCHECK(g_validation_error_observer == this);
  63   g_validation_error_observer = NULL;
  64 }
  65
  66 bool IsNonNullableValidationEnabled() {
  67   return !!g_validation_error_observer;
  68 }
  69
  70 }  // namespace internal
  71 }  // namespace mojo