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