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/LeakEvents.cpp b/src/leakdetector/LeakEvents.cpp
new file mode 100644
index 0000000..e3755a7
--- /dev/null
+++ b/src/leakdetector/LeakEvents.cpp
@@ -0,0 +1,64 @@
+#include "LeakEvents.hpp"
+
+#include "LeakGPIODetector.hpp"
+
+#include <phosphor-logging/commit.hpp>
+#include <phosphor-logging/lg2.hpp>
+#include <sdbusplus/async.hpp>
+#include <sdbusplus/message/native_types.hpp>
+#include <xyz/openbmc_project/State/Leak/Detector/event.hpp>
+
+#include <tuple>
+
+PHOSPHOR_LOG2_USING;
+
+namespace leak
+{
+
+auto Events::generateLeakEvent(sdbusplus::message::object_path detectorPath,
+ DetectorStateIntf::DetectorState state,
+ config::DetectorLevel level)
+ -> sdbusplus::async::task<>
+{
+ auto eventName = std::make_tuple(detectorPath.str, level);
+
+ // NOLINTNEXTLINE(clang-analyzer-core.uninitialized.Branch)
+ if (state == DetectorStateIntf::DetectorState::Normal)
+ {
+ auto pendingEvent = pendingEvents.find(eventName);
+ if (pendingEvent != pendingEvents.end())
+ {
+ co_await lg2::resolve(ctx, pendingEvent->second);
+
+ using DetectorNormal = sdbusplus::event::xyz::openbmc_project::
+ state::leak::Detector::LeakDetectedNormal;
+ co_await lg2::commit(ctx,
+ DetectorNormal("DETECTOR_NAME", detectorPath));
+
+ pendingEvents.erase(eventName);
+ }
+ co_return;
+ }
+
+ namespace error_intf =
+ sdbusplus::error::xyz::openbmc_project::state::leak::Detector;
+ sdbusplus::message::object_path eventPath{};
+
+ if (level == config::DetectorLevel::critical)
+ {
+ eventPath = co_await lg2::commit(
+ ctx,
+ error_intf::LeakDetectedCritical("DETECTOR_NAME", detectorPath));
+ error("Critical leak detected for {PATH}", "PATH", detectorPath);
+ }
+ else
+ {
+ eventPath = co_await lg2::commit(
+ ctx,
+ error_intf::LeakDetectedWarning("DETECTOR_NAME", detectorPath));
+ warning("Warning leak detected for {PATH}", "PATH", detectorPath);
+ }
+ pendingEvents[eventName] = eventPath;
+}
+
+} // namespace leak