Implement Liquid Leak Detector
Implement liquid leak detector based on design
https://gerrit.openbmc.org/c/openbmc/docs/+/73152.
Related PRs:
https://gerrit.openbmc.org/c/openbmc/phosphor-dbus-interfaces/+/73151
https://gerrit.openbmc.org/c/openbmc/phosphor-dbus-interfaces/+/73707
https://gerrit.openbmc.org/c/openbmc/sdbusplus/+/75461
https://gerrit.openbmc.org/c/openbmc/phosphor-dbus-interfaces/+/75999
Tested:
```
>> busctl tree xyz.openbmc_project.LeakDetector
└─ /xyz
└─ /xyz/openbmc_project
└─ /xyz/openbmc_project/state
└─ /xyz/openbmc_project/state/leak
└─ /xyz/openbmc_project/state/leak/detector
├─ /xyz/openbmc_project/state/leak/detector/TrayDetector1
└─ /xyz/openbmc_project/state/leak/detector/TrayDetector2
>> echo pull-up > /sys/devices/platform/gpio-sim.0/gpiochip2/sim_gpio0/pull
>> curl -k -H "X-Auth-Token: $token" -X GET https://${bmc}/redfish/v1/Systems/system/LogServices/EventLog/Entries
{
"@odata.id": "/redfish/v1/Systems/system/LogServices/EventLog/Entries",
"@odata.type": "#LogEntryCollection.LogEntryCollection",
"Description": "Collection of System Event Log Entries",
"Members": [
...
{
"@odata.id": "/redfish/v1/Systems/system/LogServices/EventLog/Entries/2",
"@odata.type": "#LogEntry.v1_9_0.LogEntry",
"AdditionalDataURI": "/redfish/v1/Systems/system/LogServices/EventLog/Entries/2/attachment",
"Created": "2024-05-10T06:40:30.423+00:00",
"EntryType": "Event",
"Id": "2",
"Message": "xyz.openbmc_project.State.Leak.Detector.LeakDetectedWarning",
"Modified": "2024-05-10T06:40:30.423+00:00",
"Name": "System Event Log Entry",
"Resolved": false,
"Severity": "Warning"
}
],
"Members@odata.count": 2,
"Name": "System Event Log Entries"
}
>> echo pull-down > /sys/devices/platform/gpio-sim.0/gpiochip2/sim_gpio0/pull
>> curl -k -H "X-Auth-Token: $token" -X GET https://${bmc}/redfish/v1/Systems/system/LogServices/EventLog/Entries
{
"@odata.id": "/redfish/v1/Systems/system/LogServices/EventLog/Entries",
"@odata.type": "#LogEntryCollection.LogEntryCollection",
"Description": "Collection of System Event Log Entries",
"Members": [
...
{
"@odata.id": "/redfish/v1/Systems/system/LogServices/EventLog/Entries/2",
"@odata.type": "#LogEntry.v1_9_0.LogEntry",
"AdditionalDataURI": "/redfish/v1/Systems/system/LogServices/EventLog/Entries/2/attachment",
"Created": "2024-05-10T06:40:30.423+00:00",
"EntryType": "Event",
"Id": "2",
"Message": "xyz.openbmc_project.State.Leak.Detector.LeakDetectedWarning",
"Modified": "2024-05-10T06:42:23.989+00:00",
"Name": "System Event Log Entry",
"Resolved": true,
"Severity": "Warning"
},
{
"@odata.id": "/redfish/v1/Systems/system/LogServices/EventLog/Entries/3",
"@odata.type": "#LogEntry.v1_9_0.LogEntry",
"AdditionalDataURI": "/redfish/v1/Systems/system/LogServices/EventLog/Entries/3/attachment",
"Created": "2024-05-10T06:42:24.024+00:00",
"EntryType": "Event",
"Id": "3",
"Message": "xyz.openbmc_project.State.Leak.Detector.LeakDetectedNormal",
"Modified": "2024-05-10T06:42:24.024+00:00",
"Name": "System Event Log Entry",
"Resolved": false,
"Severity": "OK"
}
],
"Members@odata.count": 3,
"Name": "System Event Log Entries"
}
```
Change-Id: Id6981deb314ca6852c5e31b932b28e601c2f3976
Signed-off-by: Jagpal Singh Gill <paligill@gmail.com>
diff --git a/src/leakdetector/LeakDetectionManager.hpp b/src/leakdetector/LeakDetectionManager.hpp
new file mode 100644
index 0000000..34111b9
--- /dev/null
+++ b/src/leakdetector/LeakDetectionManager.hpp
@@ -0,0 +1,57 @@
+#include "EntityManagerInterface.hpp"
+#include "LeakEvents.hpp"
+#include "LeakGPIODetector.hpp"
+
+#include <sdbusplus/async.hpp>
+#include <sdbusplus/message/native_types.hpp>
+#include <xyz/openbmc_project/Configuration/GPIOLeakDetector/client.hpp>
+
+#include <memory>
+#include <optional>
+#include <string>
+#include <unordered_map>
+
+namespace leak
+{
+
+class DetectionManager;
+
+using GPIODetectorConfigIntf =
+ sdbusplus::client::xyz::openbmc_project::configuration::GPIOLeakDetector<>;
+
+class DetectionManager
+{
+ public:
+ DetectionManager() = delete;
+
+ explicit DetectionManager(sdbusplus::async::context& ctx);
+
+ private:
+ using detector_map_t =
+ std::unordered_map<std::string, std::unique_ptr<GPIODetector>>;
+
+ /** @brief Process new interfaces added to inventory */
+ auto processInventoryAdded(
+ const sdbusplus::message::object_path& objectPath,
+ const std::string& interfaceName) -> void;
+
+ /** @brief Process interfaces removed from inventory */
+ auto processInventoryRemoved(
+ const sdbusplus::message::object_path& objectPath,
+ const std::string& interfaceName) -> void;
+
+ /** @brief Process the config add asynchronously */
+ auto processConfigAddedAsync(sdbusplus::message::object_path objectPath)
+ -> sdbusplus::async::task<>;
+
+ /** @brief Get the detector configuration from the Entity Manager */
+ auto getDetectorConfig(sdbusplus::message::object_path objectPath)
+ -> sdbusplus::async::task<std::optional<config::DetectorConfig>>;
+
+ sdbusplus::async::context& ctx;
+ Events leakEvents;
+ entity_manager::EntityManagerInterface entityManager;
+ detector_map_t detectors;
+};
+
+} // namespace leak