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#include <phosphor-logging/log.hpp>
#include "timer.hpp"
namespace phosphor
{
namespace ipmi
{
using namespace phosphor::logging;
// Initializes the timer object
void Timer::initialize()
{
// This can not be called more than once.
if (eventSource)
{
throw std::runtime_error("Timer already initialized");
}
// Add infinite expiration time
auto r = sd_event_add_time(timeEvent, &eventSource,
CLOCK_MONOTONIC, // Time base
UINT64_MAX, // Expire time - way long enough time
0, // Use default event accuracy
timeoutHandler, // Callback handler on timeout
this); // User data
if (r < 0)
{
log<level::ERR>("Failure to set initial expiration time value",
entry("ERROR=%s", strerror(-r)));
throw std::runtime_error("Timer initialization failed");
}
// Disable the timer for now
r = sd_event_source_set_enabled(eventSource, SD_EVENT_OFF);
if (r < 0)
{
log<level::ERR>("Failure to disable timer",
entry("ERROR=%s", strerror(-r)));
throw std::runtime_error("Setting initial timer value failed");
}
return;
}
/** @brief callback handler on timeout */
int Timer::timeoutHandler(sd_event_source* eventSource,
uint64_t usec, void* userData)
{
auto timer = static_cast<Timer*>(userData);
timer->expired = true;
log<level::INFO>("Timer expired");
return 0;
}
} // namespace ipmi
} // namespace phosphor
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