1 #pragma once
2 
3 #include "libpldm/platform.h"
4 
5 #include "pdr.hpp"
6 #include "pdr_utils.hpp"
7 
8 namespace pldm
9 {
10 
11 namespace responder
12 {
13 
14 namespace pdr_state_effecter
15 {
16 
17 using Json = nlohmann::json;
18 
19 static const Json empty{};
20 
21 /** @brief Parse PDR JSON file and generate state effecter PDR structure
22  *
23  *  @param[in] json - the JSON Object with the state effecter PDR
24  *  @param[out] handler - the Parser of PLDM command handler
25  *  @param[out] repo - pdr::RepoInterface
26  *
27  */
28 template <class DBusInterface, class Handler>
29 void generateStateEffecterPDR(const DBusInterface& dBusIntf, const Json& json,
30                               Handler& handler, pdr_utils::RepoInterface& repo)
31 {
32     static const std::vector<Json> emptyList{};
33     auto entries = json.value("entries", emptyList);
34     for (const auto& e : entries)
35     {
36         size_t pdrSize = 0;
37         auto effecters = e.value("effecters", emptyList);
38         for (const auto& effecter : effecters)
39         {
40             auto set = effecter.value("set", empty);
41             auto statesSize = set.value("size", 0);
42             if (!statesSize)
43             {
44                 std::cerr << "Malformed PDR JSON return "
45                              "pdrEntry;- no state set "
46                              "info, TYPE="
47                           << PLDM_STATE_EFFECTER_PDR << "\n";
48                 throw InternalFailure();
49             }
50             pdrSize += sizeof(state_effecter_possible_states) -
51                        sizeof(bitfield8_t) + (sizeof(bitfield8_t) * statesSize);
52         }
53         pdrSize += sizeof(pldm_state_effecter_pdr) - sizeof(uint8_t);
54 
55         std::vector<uint8_t> entry{};
56         entry.resize(pdrSize);
57 
58         pldm_state_effecter_pdr* pdr =
59             reinterpret_cast<pldm_state_effecter_pdr*>(entry.data());
60         pdr->hdr.record_handle = 0;
61         pdr->hdr.version = 1;
62         pdr->hdr.type = PLDM_STATE_EFFECTER_PDR;
63         pdr->hdr.record_change_num = 0;
64         pdr->hdr.length = pdrSize - sizeof(pldm_pdr_hdr);
65 
66         pdr->terminus_handle = pdr::BmcPldmTerminusHandle;
67         pdr->effecter_id = handler.getNextEffecterId();
68         pdr->entity_type = e.value("type", 0);
69         pdr->entity_instance = e.value("instance", 0);
70         pdr->container_id = e.value("container", 0);
71         pdr->effecter_semantic_id = 0;
72         pdr->effecter_init = PLDM_NO_INIT;
73         pdr->has_description_pdr = false;
74         pdr->composite_effecter_count = effecters.size();
75 
76         DbusMappings dbusMappings{};
77         DbusValMaps dbusValMaps{};
78         uint8_t* start =
79             entry.data() + sizeof(pldm_state_effecter_pdr) - sizeof(uint8_t);
80         for (const auto& effecter : effecters)
81         {
82             auto set = effecter.value("set", empty);
83             state_effecter_possible_states* possibleStates =
84                 reinterpret_cast<state_effecter_possible_states*>(start);
85             possibleStates->state_set_id = set.value("id", 0);
86             possibleStates->possible_states_size = set.value("size", 0);
87 
88             start += sizeof(possibleStates->state_set_id) +
89                      sizeof(possibleStates->possible_states_size);
90             static const std::vector<uint8_t> emptyStates{};
91             PossibleValues stateValues;
92             auto states = set.value("states", emptyStates);
93             for (const auto& state : states)
94             {
95                 auto index = state / 8;
96                 auto bit = state - (index * 8);
97                 bitfield8_t* bf = reinterpret_cast<bitfield8_t*>(start + index);
98                 bf->byte |= 1 << bit;
99                 stateValues.emplace_back(state);
100             }
101             start += possibleStates->possible_states_size;
102 
103             auto dbusEntry = effecter.value("dbus", empty);
104             auto objectPath = dbusEntry.value("path", "");
105             auto interface = dbusEntry.value("interface", "");
106             auto propertyName = dbusEntry.value("property_name", "");
107             auto propertyType = dbusEntry.value("property_type", "");
108 
109             try
110             {
111                 auto service =
112                     dBusIntf.getService(objectPath.c_str(), interface.c_str());
113             }
114             catch (const std::exception& e)
115             {
116                 continue;
117             }
118 
119             pldm::utils::DBusMapping dbusMapping{objectPath, interface,
120                                                  propertyName, propertyType};
121             dbusMappings.emplace_back(std::move(dbusMapping));
122 
123             Json propValues = dbusEntry["property_values"];
124             StatestoDbusVal dbusIdToValMap =
125                 populateMapping(propertyType, propValues, stateValues);
126             if (!dbusIdToValMap.empty())
127             {
128                 dbusValMaps.emplace_back(std::move(dbusIdToValMap));
129             }
130         }
131         handler.addDbusObjMaps(
132             pdr->effecter_id,
133             std::make_tuple(std::move(dbusMappings), std::move(dbusValMaps)));
134         PdrEntry pdrEntry{};
135         pdrEntry.data = entry.data();
136         pdrEntry.size = pdrSize;
137         repo.addRecord(pdrEntry);
138     }
139 }
140 
141 } // namespace pdr_state_effecter
142 } // namespace responder
143 } // namespace pldm
144