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From 4130233bb36c9b289bb837a405ea264ed99d35de Mon Sep 17 00:00:00 2001
From: Zhikui Ren <zhikui.ren@intel.com>
Date: Wed, 10 Feb 2021 14:05:56 -0800
Subject: [PATCH] ADCSensor: use tmp power state file for threshold
Current power state is captured in tmp host power state file.
If current power state is not ON, Skip checkthreshold for
ADC sensors that requires host power to be on.
Signed-off-by: Zhikui Ren <zhikui.ren@intel.com>
---
src/ADCSensor.cpp | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/src/ADCSensor.cpp b/src/ADCSensor.cpp
index 865368f..4de2b1f 100644
--- a/src/ADCSensor.cpp
+++ b/src/ADCSensor.cpp
@@ -244,9 +244,27 @@ void ADCSensor::handleResponse(const boost::system::error_code& err)
});
}
+const static std::filesystem::path tmpHostStateFileDir = "/tmp";
+const static constexpr std::string_view hostStateFile = "host-state";
+
+static bool isPowerCurrentlyOn()
+{
+ std::ifstream hostStateStream(tmpHostStateFileDir / hostStateFile);
+ if (!hostStateStream.is_open())
+ {
+ std::cerr << "Failed to open tmp host state file\n";
+ return false;
+ }
+
+ std::string state;
+ std::getline(hostStateStream, state);
+ return state == "xyz.openbmc_project.State.Host.HostState.Running";
+}
+
void ADCSensor::checkThresholds(void)
{
- if (!readingStateGood())
+ if (readState != PowerState::always &&
+ (!readingStateGood() || !isPowerCurrentlyOn()))
{
return;
}
--
2.17.1
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