1 #pragma once 2 3 #include <nlohmann/json.hpp> 4 5 #include <set> 6 #include <unordered_map> 7 8 using Association = std::tuple<std::string, std::string, std::string>; 9 10 using BoardPathsView = decltype(std::views::keys( 11 std::declval<std::map<std::string, std::string>&>())); 12 13 class AssocName 14 { 15 public: 16 std::string name; 17 std::string reverse; 18 19 AssocName(const std::string& name, const std::string& reverse, 20 const std::set<std::string>& allowedOnBoardTypes, 21 const std::set<std::string>& allowedOnBoardTypesReverse); 22 AssocName() = delete; 23 24 // The type (e.g. Chassis, Board, Valve, ...) on which the association is 25 // allowed 26 std::set<std::string> allowedOnBoardTypes; 27 28 // The type (e.g. Chassis, Board, Valve, ...) on which the reverse 29 // association is allowed 30 std::set<std::string> allowedOnBoardTypesReverse; 31 32 AssocName getReverse() const; 33 34 bool operator==(const AssocName& other) const = default; 35 bool operator<(const AssocName& other) const; 36 }; 37 38 extern const std::vector<AssocName> supportedAssocs; 39 40 class Topology 41 { 42 public: 43 explicit Topology() = default; 44 45 void addBoard(const std::string& path, const std::string& boardType, 46 const std::string& boardName, 47 const nlohmann::json& exposesItem); 48 std::unordered_map<std::string, std::set<Association>> getAssocs( 49 BoardPathsView boardPaths); 50 51 // Adds an entry to probePaths for object mapper board path 52 // and inventory board path. 53 void addProbePath(const std::string& boardPath, 54 const std::string& probePath); 55 void remove(const std::string& boardName); 56 57 private: 58 using Path = std::string; 59 using BoardType = std::string; 60 using BoardName = std::string; 61 using PortType = std::string; 62 63 void addDownstreamPort(const Path& path, const nlohmann::json& exposesItem); 64 65 // @brief: fill associations map with the associations for a port identifier 66 // such as 'MB Upstream Port' 67 void fillAssocsForPortId( 68 std::unordered_map<std::string, std::set<Association>>& result, 69 BoardPathsView boardPaths, 70 const std::map<Path, std::set<AssocName>>& pathAssocs); 71 72 void fillAssocForPortId( 73 std::unordered_map<std::string, std::set<Association>>& result, 74 BoardPathsView boardPaths, const Path& upstream, const Path& downstream, 75 const AssocName& assocName); 76 77 void addConfiguredPort(const Path& path, const nlohmann::json& exposesItem); 78 void addPort(const PortType& port, const Path& path, 79 const AssocName& assocName); 80 81 static std::optional<AssocName> getAssocByName(const std::string& name); 82 83 // Maps the port name to the participating paths. 84 // each path also has their role(s) in the association. 85 // For example a PSU path which is part of "MB Upstream Port" 86 // will have "powering" role. 87 std::unordered_map<PortType, std::map<Path, std::set<AssocName>>> ports; 88 89 std::unordered_map<Path, BoardType> boardTypes; 90 std::unordered_map<BoardName, Path> boardNames; 91 92 // Represents the mapping between inventory object pathes of a 93 // probed configuration and the object paths of DBus interfaces 94 // it was probed on. 95 std::unordered_map<Path, std::set<Path>> probePaths; 96 }; 97