blob: 59b886a131b044e05586fb60f10d9196f8bd76a0 [file] [log] [blame]
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <phosphor-logging/log.hpp>
#include <phosphor-logging/elog.hpp>
#include <xyz/openbmc_project/Common/error.hpp>
#include <org/open_power/OCC/Device/error.hpp>
#include "occ_presence.hpp"
#include "occ_manager.hpp"
#include "elog-errors.hpp"
namespace open_power
{
namespace occ
{
// Reads the occs_present file and analyzes the data
void Presence::analyzeEvent()
{
using namespace phosphor::logging;
using namespace sdbusplus::org::open_power::OCC::Device::Error;
// Get the number of bytes to read
int len = -1;
auto r = ioctl(fd, FIONREAD, &len);
if (r < 0)
{
elog<ConfigFailure>(
phosphor::logging::org::open_power::OCC::Device::
ConfigFailure::CALLOUT_ERRNO(errno),
phosphor::logging::org::open_power::OCC::Device::
ConfigFailure::CALLOUT_DEVICE_PATH(file.c_str()));
}
auto data = readFile(len);
if (data.empty())
{
return;
}
// Let stoi determine the base
auto occsPresent = std::stoi(data, nullptr, 0);
if (manager.getNumOCCs() != occsPresent)
{
log<level::INFO>("OCC presence mismatch",
entry("BMC_OCCS=%d", manager.getNumOCCs()),
entry("OCC_OCCS=%d", occsPresent));
if (callBack)
{
callBack(true);
}
}
}
} // namespace occ
} // namespace open_power