Krzysztof Grobelny | 09b88f2 | 2020-09-02 14:49:01 +0200 | [diff] [blame] | 1 | #include <boost/asio.hpp> |
| 2 | #include <sdbusplus/asio/connection.hpp> |
Krzysztof Grobelny | 09b88f2 | 2020-09-02 14:49:01 +0200 | [diff] [blame] | 3 | #include <sdbusplus/asio/object_server.hpp> |
Krzysztof Grobelny | 807419d | 2020-09-28 11:39:22 +0200 | [diff] [blame^] | 4 | #include <sdbusplus/asio/property.hpp> |
Krzysztof Grobelny | 09b88f2 | 2020-09-02 14:49:01 +0200 | [diff] [blame] | 5 | #include <sdbusplus/bus.hpp> |
| 6 | #include <sdbusplus/unpack_properties.hpp> |
| 7 | |
| 8 | #include <iostream> |
| 9 | |
| 10 | namespace xyz |
| 11 | { |
| 12 | namespace demo |
| 13 | { |
| 14 | |
| 15 | const std::string path = "/xyz/demo"; |
| 16 | const std::string name = "xyz.demo"; |
| 17 | const std::string interface = "xyz.demo.interface"; |
| 18 | |
| 19 | } // namespace demo |
| 20 | } // namespace xyz |
| 21 | |
| 22 | namespace name |
| 23 | { |
| 24 | |
| 25 | const std::string greetings = "Greetings"; |
| 26 | const std::string goodbyes = "Goodbyes"; |
| 27 | const std::string value = "Value"; |
| 28 | |
| 29 | } // namespace name |
| 30 | |
| 31 | class Application |
| 32 | { |
| 33 | public: |
| 34 | Application(boost::asio::io_context& ioc, sdbusplus::asio::connection& bus, |
| 35 | sdbusplus::asio::object_server& objServer) : |
| 36 | ioc_(ioc), |
| 37 | bus_(bus), objServer_(objServer) |
| 38 | { |
| 39 | demo_ = objServer_.add_interface(xyz::demo::path, xyz::demo::interface); |
| 40 | |
| 41 | demo_->register_property_r(name::greetings, std::string(), |
| 42 | sdbusplus::vtable::property_::const_, |
| 43 | [this](const auto&) { return greetings_; }); |
| 44 | |
| 45 | demo_->register_property_rw( |
| 46 | name::goodbyes, std::string(), |
| 47 | sdbusplus::vtable::property_::emits_change, |
| 48 | [this](const auto& newPropertyValue, const auto&) { |
| 49 | goodbyes_ = newPropertyValue; |
| 50 | return 1; |
| 51 | }, |
| 52 | [this](const auto&) { return goodbyes_; }); |
| 53 | |
| 54 | demo_->register_property_r( |
| 55 | name::value, uint32_t{42}, sdbusplus::vtable::property_::const_, |
| 56 | [](const auto& value) -> uint32_t { return value; }); |
| 57 | |
| 58 | demo_->initialize(); |
| 59 | } |
| 60 | |
| 61 | ~Application() |
| 62 | { |
| 63 | objServer_.remove_interface(demo_); |
| 64 | } |
| 65 | |
| 66 | uint32_t fatalErrors() const |
| 67 | { |
| 68 | return fatalErrors_; |
| 69 | } |
| 70 | |
| 71 | auto logSystemErrorCode() |
| 72 | { |
| 73 | return [this](boost::system::error_code ec) { |
| 74 | std::cerr << "Error: " << ec << "\n"; |
| 75 | ++fatalErrors_; |
| 76 | }; |
| 77 | } |
| 78 | |
| 79 | void logException(const std::exception& e) |
| 80 | { |
| 81 | std::cerr << "Error: " << e.what() << "\n"; |
| 82 | ++fatalErrors_; |
| 83 | } |
| 84 | |
| 85 | void logExpectedException( |
| 86 | const sdbusplus::exception::UnpackPropertyError& error) |
| 87 | { |
| 88 | std::cout << "As expected " << error.what() << " => " |
| 89 | << error.propertyName << " is missing because " |
| 90 | << error.reason << "\n"; |
| 91 | } |
| 92 | |
| 93 | void asyncGetAllPropertiesStringTypeOnly() |
| 94 | { |
| 95 | sdbusplus::asio::getAllProperties( |
| 96 | bus_, xyz::demo::name, xyz::demo::path, xyz::demo::interface, |
| 97 | logSystemErrorCode(), |
| 98 | [this](std::vector<std::pair< |
| 99 | std::string, std::variant<std::monostate, std::string>>>& |
| 100 | properties) { |
| 101 | try |
| 102 | { |
| 103 | std::string greetings; |
| 104 | std::string goodbyes; |
| 105 | sdbusplus::unpackProperties(properties, name::greetings, |
| 106 | greetings, name::goodbyes, |
| 107 | goodbyes); |
| 108 | |
| 109 | std::cout << "value of greetings: " << greetings << "\n"; |
| 110 | std::cout << "value of goodbyes: " << goodbyes << "\n"; |
| 111 | } |
| 112 | catch (const sdbusplus::exception::UnpackPropertyError& error) |
| 113 | { |
| 114 | logException(error); |
| 115 | } |
| 116 | |
| 117 | try |
| 118 | { |
| 119 | std::string value; |
| 120 | sdbusplus::unpackProperties(properties, name::value, value); |
| 121 | |
| 122 | std::cerr << "Error: it should fail because of " |
| 123 | "not matched type\n"; |
| 124 | ++fatalErrors_; |
| 125 | } |
| 126 | catch (const sdbusplus::exception::UnpackPropertyError& error) |
| 127 | { |
| 128 | logExpectedException(error); |
| 129 | } |
| 130 | }); |
| 131 | } |
| 132 | |
| 133 | void asyncGetAllProperties() |
| 134 | { |
| 135 | sdbusplus::asio::getAllProperties( |
| 136 | bus_, xyz::demo::name, xyz::demo::path, xyz::demo::interface, |
| 137 | logSystemErrorCode(), |
| 138 | [this]( |
| 139 | std::vector<std::pair<std::string, |
| 140 | std::variant<std::monostate, std::string, |
| 141 | uint32_t>>>& properties) { |
| 142 | try |
| 143 | { |
| 144 | std::string greetings; |
| 145 | std::string goodbyes; |
| 146 | uint32_t value = 0u; |
| 147 | sdbusplus::unpackProperties(properties, name::greetings, |
| 148 | greetings, name::goodbyes, |
| 149 | goodbyes, name::value, value); |
| 150 | |
| 151 | std::cout << "value of greetings: " << greetings << "\n"; |
| 152 | std::cout << "value of goodbyes: " << goodbyes << "\n"; |
| 153 | std::cout << "value of value: " << value << "\n"; |
| 154 | } |
| 155 | catch (const sdbusplus::exception::UnpackPropertyError& error) |
| 156 | { |
| 157 | logException(error); |
| 158 | } |
| 159 | |
| 160 | try |
| 161 | { |
| 162 | std::string unknownProperty; |
| 163 | sdbusplus::unpackProperties( |
| 164 | properties, "UnknownPropertyName", unknownProperty); |
| 165 | |
| 166 | std::cerr << "Error: it should fail because of " |
| 167 | "missing property\n"; |
| 168 | ++fatalErrors_; |
| 169 | } |
| 170 | catch (const sdbusplus::exception::UnpackPropertyError& error) |
| 171 | { |
| 172 | logExpectedException(error); |
| 173 | } |
| 174 | |
| 175 | try |
| 176 | { |
| 177 | uint32_t notMatchingType; |
| 178 | sdbusplus::unpackProperties(properties, name::greetings, |
| 179 | notMatchingType); |
| 180 | |
| 181 | std::cerr << "Error: it should fail because of " |
| 182 | "not matched type\n"; |
| 183 | ++fatalErrors_; |
| 184 | } |
| 185 | catch (const sdbusplus::exception::UnpackPropertyError& error) |
| 186 | { |
| 187 | logExpectedException(error); |
| 188 | } |
| 189 | }); |
| 190 | } |
| 191 | |
| 192 | private: |
| 193 | boost::asio::io_context& ioc_; |
| 194 | sdbusplus::asio::connection& bus_; |
| 195 | sdbusplus::asio::object_server& objServer_; |
| 196 | |
| 197 | std::shared_ptr<sdbusplus::asio::dbus_interface> demo_; |
| 198 | std::string greetings_ = "Hello"; |
| 199 | std::string goodbyes_ = "Bye"; |
| 200 | |
| 201 | uint32_t fatalErrors_ = 0u; |
| 202 | }; |
| 203 | |
| 204 | int main(int, char**) |
| 205 | { |
| 206 | boost::asio::io_context ioc; |
| 207 | boost::asio::signal_set signals(ioc, SIGINT, SIGTERM); |
| 208 | |
| 209 | signals.async_wait( |
| 210 | [&ioc](const boost::system::error_code&, const int&) { ioc.stop(); }); |
| 211 | |
| 212 | auto bus = std::make_shared<sdbusplus::asio::connection>(ioc); |
| 213 | auto objServer = std::make_unique<sdbusplus::asio::object_server>(bus); |
| 214 | |
| 215 | bus->request_name(xyz::demo::name.c_str()); |
| 216 | |
| 217 | Application app(ioc, *bus, *objServer); |
| 218 | |
| 219 | boost::asio::post(ioc, |
| 220 | [&app] { app.asyncGetAllPropertiesStringTypeOnly(); }); |
| 221 | boost::asio::post(ioc, [&app] { app.asyncGetAllProperties(); }); |
| 222 | |
| 223 | ioc.run(); |
| 224 | |
| 225 | std::cout << "Fatal errors count: " << app.fatalErrors() << "\n"; |
| 226 | |
| 227 | return app.fatalErrors(); |
| 228 | } |