add handler logic to handle SysPsuHardReset
Add handler logic to handler for SysPsuHardReset such that it splits the
true IPMI processing from the business logic.
Tested: Only ran unit-tests (added new ones).
Change-Id: Id5dae85cbc54db7dee3cb5e62ed80c77ff3d5719
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/handler.cpp b/handler.cpp
index ac2ca3a..8a076f2 100644
--- a/handler.cpp
+++ b/handler.cpp
@@ -24,6 +24,8 @@
#include <cstdio>
#include <filesystem>
#include <fstream>
+#include <phosphor-logging/log.hpp>
+#include <sdbusplus/bus.hpp>
#include <sstream>
#include <string>
#include <tuple>
@@ -140,6 +142,54 @@
return version;
}
+static constexpr auto TIME_DELAY_FILENAME = "/run/psu_timedelay";
+static constexpr auto SYSTEMD_SERVICE = "org.freedesktop.systemd1";
+static constexpr auto SYSTEMD_ROOT = "/org/freedesktop/systemd1";
+static constexpr auto SYSTEMD_INTERFACE = "org.freedesktop.systemd1.Manager";
+static constexpr auto PSU_HARDRESET_TARGET = "gbmc-psu-hardreset.target";
+
+void Handler::psuResetDelay(std::uint32_t delay) const
+{
+ using namespace phosphor::logging;
+
+ std::ofstream ofs;
+ ofs.open(TIME_DELAY_FILENAME, std::ofstream::out);
+ if (!ofs.good())
+ {
+ std::fprintf(stderr, "Unable to open file for output.\n");
+ throw IpmiException(IPMI_CC_UNSPECIFIED_ERROR);
+ }
+
+ ofs << "PSU_HARDRESET_DELAY=" << delay << std::endl;
+ if (ofs.fail())
+ {
+ std::fprintf(stderr, "Write failed\n");
+ ofs.close();
+ throw IpmiException(IPMI_CC_UNSPECIFIED_ERROR);
+ }
+
+ // Write succeeded, please continue.
+ ofs.flush();
+ ofs.close();
+
+ auto bus = sdbusplus::bus::new_default();
+ auto method = bus.new_method_call(SYSTEMD_SERVICE, SYSTEMD_ROOT,
+ SYSTEMD_INTERFACE, "StartUnit");
+
+ method.append(PSU_HARDRESET_TARGET);
+ method.append("replace");
+
+ try
+ {
+ bus.call_noreply(method);
+ }
+ catch (const sdbusplus::exception::SdBusError& ex)
+ {
+ log<level::ERR>("Failed to call PSU hard reset");
+ throw IpmiException(IPMI_CC_UNSPECIFIED_ERROR);
+ }
+}
+
Handler handlerImpl;
} // namespace ipmi