| #pragma once |
| |
| #include <phosphor-logging/log.hpp> |
| #include <sdbusplus/bus.hpp> |
| #include <string> |
| #include <vector> |
| |
| namespace utils |
| { |
| |
| using namespace phosphor::logging; |
| |
| /** |
| * @brief Get PSU inventory object path from DBus |
| */ |
| std::vector<std::string> getPSUInventoryPath(sdbusplus::bus::bus& bus); |
| |
| /** @brief Get service name from object path and interface |
| * |
| * @param[in] bus - The Dbus bus object |
| * @param[in] path - The Dbus object path |
| * @param[in] interface - The Dbus interface |
| * |
| * @return The name of the service |
| */ |
| std::string getService(sdbusplus::bus::bus& bus, const char* path, |
| const char* interface); |
| |
| /** @brief The template function to get property from the requested dbus path |
| * |
| * @param[in] bus - The Dbus bus object |
| * @param[in] service - The Dbus service name |
| * @param[in] path - The Dbus object path |
| * @param[in] interface - The Dbus interface |
| * @param[in] propertyName - The property name to get |
| * |
| * @return The value of the property |
| */ |
| template <typename T> |
| T getProperty(sdbusplus::bus::bus& bus, const char* service, const char* path, |
| const char* interface, const char* propertyName) |
| { |
| auto method = bus.new_method_call(service, path, |
| "org.freedesktop.DBus.Properties", "Get"); |
| method.append(interface, propertyName); |
| try |
| { |
| sdbusplus::message::variant<T> value{}; |
| auto reply = bus.call(method); |
| reply.read(value); |
| return sdbusplus::message::variant_ns::get<T>(value); |
| } |
| catch (const sdbusplus::exception::SdBusError& ex) |
| { |
| log<level::ERR>("GetProperty call failed", entry("PATH=%s", path), |
| entry("INTERFACE=%s", interface), |
| entry("PROPERTY=%s", propertyName)); |
| throw std::runtime_error("GetProperty call failed"); |
| } |
| } |
| |
| /** |
| * @brief Calculate the version id from the version string. |
| * |
| * @details The version id is a unique 8 hexadecimal digit id |
| * calculated from the version string. |
| * |
| * @param[in] version - The image version string (e.g. v1.99.10-19). |
| * |
| * @return The id. |
| */ |
| std::string getVersionId(const std::string& version); |
| |
| } // namespace utils |