1 #pragma once
2 
3 #include "health_metric_config.hpp"
4 #include "health_utils.hpp"
5 
6 #include <xyz/openbmc_project/Association/Definitions/server.hpp>
7 #include <xyz/openbmc_project/Inventory/Item/Bmc/server.hpp>
8 #include <xyz/openbmc_project/Metric/Value/server.hpp>
9 
10 #include <deque>
11 #include <tuple>
12 
13 namespace phosphor::health::metric
14 {
15 
16 using phosphor::health::utils::paths_t;
17 using phosphor::health::utils::startUnit;
18 using AssociationIntf =
19     sdbusplus::xyz::openbmc_project::Association::server::Definitions;
20 using ValueIntf = sdbusplus::xyz::openbmc_project::Metric::server::Value;
21 using PathIntf =
22     sdbusplus::common::xyz::openbmc_project::metric::Value::namespace_path;
23 static constexpr auto BmcPath =
24     sdbusplus::common::xyz::openbmc_project::metric::Value::bmc;
25 using BmcIntf = sdbusplus::xyz::openbmc_project::Inventory::Item::server::Bmc;
26 using MetricIntf =
27     sdbusplus::server::object_t<ValueIntf, ThresholdIntf, AssociationIntf>;
28 using MType = phosphor::health::metric::Type;
29 
30 struct MValue
31 {
32     /** @brief Current value of metric */
33     double current;
34     /** @brief Total value of metric */
35     double total;
36 };
37 
38 class HealthMetric : public MetricIntf
39 {
40   public:
41     HealthMetric() = delete;
42     HealthMetric(const HealthMetric&) = delete;
43     HealthMetric(HealthMetric&&) = delete;
44     virtual ~HealthMetric() = default;
45 
46     HealthMetric(sdbusplus::bus_t& bus, MType type,
47                  const config::HealthMetric& config, const paths_t& bmcPaths) :
48         MetricIntf(bus, getPath(type, config.name, config.subType).c_str(),
49                    action::defer_emit),
50         bus(bus), type(type), config(config)
51     {
52         create(bmcPaths);
53         this->emit_object_added();
54     }
55 
56     /** @brief Update the health metric with the given value */
57     void update(MValue value);
58 
59   private:
60     /** @brief Create a new health metric object */
61     void create(const paths_t& bmcPaths);
62     /** @brief Init properties for the health metric object */
63     void initProperties();
64     /** @brief Check specified threshold for the given value */
65     void checkThreshold(ThresholdIntf::Type type, ThresholdIntf::Bound bound,
66                         MValue value);
67     /** @brief Check all thresholds for the given value */
68     void checkThresholds(MValue value);
69     /** @brief Get the object path for the given type, name and subtype */
70     auto getPath(phosphor::health::metric::Type type, std::string name,
71                  SubType subType) -> std::string;
72     /** @brief D-Bus bus connection */
73     sdbusplus::bus_t& bus;
74     /** @brief Metric type */
75     MType type;
76     /** @brief Metric configuration */
77     const config::HealthMetric config;
78     /** @brief Window for metric history */
79     std::deque<double> history;
80 };
81 
82 } // namespace phosphor::health::metric
83