void HostPowerService::notify(Reason_T aReason)
{
SessionMachinesList machines;
VirtualBox::InternalControlList controls;
HRESULT rc = S_OK;
switch (aReason)
{
case Reason_HostSuspend:
{
LogFunc(("HOST SUSPEND\n"));
#ifdef VBOX_WITH_RESOURCE_USAGE_API
/* Suspend performance sampling to avoid unnecessary callbacks due to jumps in time. */
PerformanceCollector *perfcollector = mVirtualBox->i_performanceCollector();
if (perfcollector)
perfcollector->suspendSampling();
#endif
mVirtualBox->i_getOpenedMachines(machines, &controls);
/* pause running VMs */
for (VirtualBox::InternalControlList::const_iterator it = controls.begin();
it != controls.end();
++it)
{
ComPtr<IInternalSessionControl> pControl = *it;
/* PauseWithReason() will simply return a failure if
* the VM is in an inappropriate state */
rc = pControl->PauseWithReason(Reason_HostSuspend);
if (FAILED(rc))
continue;
/* save the control to un-pause the VM later */
mSessionControls.push_back(pControl);
}
LogRel(("Host suspending: Paused %d VMs\n", mSessionControls.size()));
break;
}
case Reason_HostResume:
{
LogFunc(("HOST RESUME\n"));
size_t resumed = 0;
/* go through VMs we paused on Suspend */
for (size_t i = 0; i < mSessionControls.size(); ++i)
{
/* note that Resume() will simply return a failure if the VM is
* in an inappropriate state (it will also fail if the VM has
* been somehow closed by this time already so that the
* console reference we have is dead) */
rc = mSessionControls[i]->ResumeWithReason(Reason_HostResume);
if (FAILED(rc))
continue;
++resumed;
}
LogRel(("Host resumed: Resumed %d VMs\n", resumed));
#ifdef VBOX_WITH_RESOURCE_USAGE_API
/* Resume the performance sampling. */
PerformanceCollector *perfcollector = mVirtualBox->i_performanceCollector();
if (perfcollector)
perfcollector->resumeSampling();
#endif
mSessionControls.clear();
break;
}
case Reason_HostBatteryLow:
{
LogFunc(("BATTERY LOW\n"));
Bstr value;
rc = mVirtualBox->GetExtraData(Bstr("VBoxInternal2/SavestateOnBatteryLow").raw(),
value.asOutParam());
int fGlobal = 0;
if (SUCCEEDED(rc) && !value.isEmpty())
{
if (value != "0")
fGlobal = 1;
else if (value == "0")
fGlobal = -1;
}
mVirtualBox->i_getOpenedMachines(machines, &controls);
size_t saved = 0;
/* save running VMs */
for (SessionMachinesList::const_iterator it = machines.begin();
it != machines.end();
++it)
{
ComPtr<SessionMachine> pMachine = *it;
rc = pMachine->GetExtraData(Bstr("VBoxInternal2/SavestateOnBatteryLow").raw(),
value.asOutParam());
int fPerVM = 0;
if (SUCCEEDED(rc) && !value.isEmpty())
{
/* per-VM overrides global */
if (value != "0")
fPerVM = 2;
else if (value == "0")
fPerVM = -2;
}
/* default is true */
if (fGlobal + fPerVM >= 0)
{
ComPtr<IProgress> progress;
/* SessionMachine::i_saveStateWithReason() will return
* a failure if the VM is in an inappropriate state */
rc = pMachine->i_saveStateWithReason(Reason_HostBatteryLow, progress);
if (FAILED(rc))
{
LogRel(("SaveState '%s' failed with %Rhrc\n", pMachine->i_getName().c_str(), rc));
continue;
}
/* Wait until the operation has been completed. */
rc = progress->WaitForCompletion(-1);
if (SUCCEEDED(rc))
{
LONG iRc;
progress->COMGETTER(ResultCode)(&iRc);
rc = iRc;
}
AssertMsg(SUCCEEDED(rc), ("SaveState WaitForCompletion failed with %Rhrc (%#08X)\n", rc, rc));
if (SUCCEEDED(rc))
{
LogRel(("SaveState '%s' succeeded\n", pMachine->i_getName().c_str()));
++saved;
}
}
}
LogRel(("Battery Low: saved %d VMs\n", saved));
break;
}
default:
/* nothing */;
}
}
void HostPowerService::notify(Reason_T aReason)
{
SessionMachinesList machines;
VirtualBox::InternalControlList controls;
HRESULT rc = S_OK;
switch (aReason)
{
case Reason_HostSuspend:
{
LogFunc(("SUSPEND\n"));
#ifdef VBOX_WITH_RESOURCE_USAGE_API
/* Suspend performance sampling to avoid unnecessary callbacks due to jumps in time. */
PerformanceCollector *perfcollector = mVirtualBox->performanceCollector();
if (perfcollector)
perfcollector->suspendSampling();
#endif
mVirtualBox->getOpenedMachines(machines, &controls);
/* pause running VMs */
for (VirtualBox::InternalControlList::const_iterator it = controls.begin();
it != controls.end();
++it)
{
ComPtr<IInternalSessionControl> pControl = *it;
/* PauseWithReason() will simply return a failure if
* the VM is in an inappropriate state */
rc = pControl->PauseWithReason(Reason_HostSuspend);
if (FAILED(rc))
continue;
/* save the control to un-pause the VM later */
mSessionControls.push_back(pControl);
}
LogFunc(("Suspended %d VMs\n", mSessionControls.size()));
break;
}
case Reason_HostResume:
{
LogFunc(("RESUME\n"));
size_t resumed = 0;
/* go through VMs we paused on Suspend */
for (size_t i = 0; i < mSessionControls.size(); ++i)
{
/* note that Resume() will simply return a failure if the VM is
* in an inappropriate state (it will also fail if the VM has
* been somehow closed by this time already so that the
* console reference we have is dead) */
rc = mSessionControls[i]->ResumeWithReason(Reason_HostResume);
if (FAILED(rc))
continue;
++resumed;
}
LogFunc(("Resumed %d VMs\n", resumed));
#ifdef VBOX_WITH_RESOURCE_USAGE_API
/* Resume the performance sampling. */
PerformanceCollector *perfcollector = mVirtualBox->performanceCollector();
if (perfcollector)
perfcollector->resumeSampling();
#endif
mSessionControls.clear();
break;
}
case Reason_HostBatteryLow:
{
LogFunc(("BATTERY LOW\n"));
mVirtualBox->getOpenedMachines(machines, &controls);
size_t saved = 0;
/* save running VMs */
for (VirtualBox::InternalControlList::const_iterator it = controls.begin();
it != controls.end();
++it)
{
ComPtr<IInternalSessionControl> pControl = *it;
ComPtr<IProgress> progress;
/* note that SaveStateWithReason() will simply return a failure
* if the VM is in an inappropriate state */
rc = pControl->SaveStateWithReason(Reason_HostBatteryLow, progress.asOutParam());
if (FAILED(rc))
continue;
/* Wait until the operation has been completed. */
rc = progress->WaitForCompletion(-1);
if (SUCCEEDED(rc))
{
LONG iRc;
progress->COMGETTER(ResultCode)(&iRc);
rc = iRc;
}
AssertMsg(SUCCEEDED(rc), ("SaveState WaitForCompletion failed with %Rhrc (%#08X)\n", rc, rc));
if (SUCCEEDED(rc))
++saved;
}
LogFunc(("Saved %d VMs\n", saved));
break;
}
default:
/* nothing */;
}
}
