static DECLCALLBACK(int) VBoxModAPIMonitorMain(void)
{
static uint64_t uLastRun = 0;
uint64_t uNow = RTTimeProgramMilliTS();
uint64_t uDelta = uNow - uLastRun;
if (uDelta < 1000) /* Only check every second (or later). */
return VINF_SUCCESS;
uLastRun = uNow;
int vrc = VINF_SUCCESS;
HRESULT rc;
#ifdef DEBUG
serviceLogVerbose(("apimon: Checking for API heartbeat (%RU64ms) ...\n",
g_ulAPIMonIslnTimeoutMS));
#endif
do
{
Bstr strHeartbeat;
CHECK_ERROR_BREAK(g_pVirtualBox, GetExtraData(Bstr("Watchdog/APIMonitor/Heartbeat").raw(),
strHeartbeat.asOutParam()));
if ( SUCCEEDED(rc)
&& !strHeartbeat.isEmpty()
&& g_strAPIMonIslnLastBeat.compare(strHeartbeat, Bstr::CaseSensitive))
{
serviceLogVerbose(("apimon: API heartbeat received, resetting timeout\n"));
g_uAPIMonIslnLastBeatMS = 0;
g_strAPIMonIslnLastBeat = strHeartbeat;
}
else
{
g_uAPIMonIslnLastBeatMS += uDelta;
if (g_uAPIMonIslnLastBeatMS > g_ulAPIMonIslnTimeoutMS)
{
serviceLogVerbose(("apimon: No API heartbeat within time received (%RU64ms)\n",
g_ulAPIMonIslnTimeoutMS));
vrc = apimonTrigger(g_enmAPIMonIslnResp);
g_uAPIMonIslnLastBeatMS = 0;
}
}
} while (0);
if (FAILED(rc))
vrc = VERR_COM_IPRT_ERROR;
return vrc;
}
