base.hpp 3.3 KB

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  1. /*
  2. * Copyright (c) 2014, Peter Thorson. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions are met:
  6. * * Redistributions of source code must retain the above copyright
  7. * notice, this list of conditions and the following disclaimer.
  8. * * Redistributions in binary form must reproduce the above copyright
  9. * notice, this list of conditions and the following disclaimer in the
  10. * documentation and/or other materials provided with the distribution.
  11. * * Neither the name of the WebSocket++ Project nor the
  12. * names of its contributors may be used to endorse or promote products
  13. * derived from this software without specific prior written permission.
  14. *
  15. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  16. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18. * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
  19. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  20. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  21. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  22. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  24. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25. *
  26. */
  27. #ifndef WEBSOCKETPP_TRANSPORT_STUB_BASE_HPP
  28. #define WEBSOCKETPP_TRANSPORT_STUB_BASE_HPP
  29. #include <websocketpp/common/system_error.hpp>
  30. #include <websocketpp/common/cpp11.hpp>
  31. #include <string>
  32. namespace websocketpp {
  33. namespace transport {
  34. /// Stub transport policy that has no input or output.
  35. namespace stub {
  36. /// stub transport errors
  37. namespace error {
  38. enum value {
  39. /// Catch-all error for transport policy errors that don't fit in other
  40. /// categories
  41. general = 1,
  42. /// not implemented
  43. not_implemented
  44. };
  45. /// stub transport error category
  46. class category : public lib::error_category {
  47. public:
  48. category() {}
  49. char const * name() const _WEBSOCKETPP_NOEXCEPT_TOKEN_ {
  50. return "websocketpp.transport.stub";
  51. }
  52. std::string message(int value) const {
  53. switch(value) {
  54. case general:
  55. return "Generic stub transport policy error";
  56. case not_implemented:
  57. return "feature not implemented";
  58. default:
  59. return "Unknown";
  60. }
  61. }
  62. };
  63. /// Get a reference to a static copy of the stub transport error category
  64. inline lib::error_category const & get_category() {
  65. static category instance;
  66. return instance;
  67. }
  68. /// Get an error code with the given value and the stub transport category
  69. inline lib::error_code make_error_code(error::value e) {
  70. return lib::error_code(static_cast<int>(e), get_category());
  71. }
  72. } // namespace error
  73. } // namespace stub
  74. } // namespace transport
  75. } // namespace websocketpp
  76. _WEBSOCKETPP_ERROR_CODE_ENUM_NS_START_
  77. template<> struct is_error_code_enum<websocketpp::transport::stub::error::value>
  78. {
  79. static bool const value = true;
  80. };
  81. _WEBSOCKETPP_ERROR_CODE_ENUM_NS_END_
  82. #endif // WEBSOCKETPP_TRANSPORT_STUB_BASE_HPP