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/* $Id: VBoxAutostartStop.cpp $ */
/** @file
* VBoxAutostart - VirtualBox Autostart service, stop machines during system shutdown.
*/
/*
* Copyright (C) 2012 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#include <VBox/com/com.h>
#include <VBox/com/string.h>
#include <VBox/com/Guid.h>
#include <VBox/com/array.h>
#include <VBox/com/ErrorInfo.h>
#include <VBox/com/errorprint.h>
#include <iprt/thread.h>
#include <iprt/stream.h>
#include <iprt/log.h>
#include <iprt/assert.h>
#include <iprt/message.h>
#include <algorithm>
#include <list>
#include <string>
#include "VBoxAutostart.h"
using namespace com;
/**
* VM list entry.
*/
typedef struct AUTOSTOPVM
{
/** ID of the VM to start. */
Bstr strId;
/** Action to do with the VM. */
AutostopType_T enmAutostopType;
} AUTOSTOPVM;
static HRESULT autostartSaveVMState(ComPtr<IConsole> &console)
{
HRESULT rc = S_OK;
ComPtr<IProgress> progress;
do
{
/* first pause so we don't trigger a live save which needs more time/resources */
bool fPaused = false;
rc = console->Pause();
if (FAILED(rc))
{
bool fError = true;
if (rc == VBOX_E_INVALID_VM_STATE)
{
/* check if we are already paused */
MachineState_T machineState;
CHECK_ERROR_BREAK(console, COMGETTER(State)(&machineState));
/* the error code was lost by the previous instruction */
rc = VBOX_E_INVALID_VM_STATE;
if (machineState != MachineState_Paused)
{
RTMsgError("Machine in invalid state %d -- %s\n",
machineState, machineStateToName(machineState, false));
}
else
{
fError = false;
fPaused = true;
}
}
if (fError)
break;
}
CHECK_ERROR(console, SaveState(progress.asOutParam()));
if (FAILED(rc))
{
if (!fPaused)
console->Resume();
break;
}
rc = showProgress(progress);
CHECK_PROGRESS_ERROR(progress, ("Failed to save machine state"));
if (FAILED(rc))
{
if (!fPaused)
console->Resume();
}
} while (0);
return rc;
}
DECLHIDDEN(RTEXITCODE) autostartStopMain(PCFGAST pCfgAst)
{
RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
int vrc = VINF_SUCCESS;
std::list<AUTOSTOPVM> listVM;
/*
* Build a list of all VMs we need to autostop first, apply the overrides
* from the configuration and start the VMs afterwards.
*/
com::SafeIfaceArray<IMachine> machines;
HRESULT rc = g_pVirtualBox->COMGETTER(Machines)(ComSafeArrayAsOutParam(machines));
if (SUCCEEDED(rc))
{
/*
* Iterate through the collection and construct a list of machines
* we have to check.
*/
for (size_t i = 0; i < machines.size(); ++i)
{
if (machines[i])
{
BOOL fAccessible;
CHECK_ERROR_BREAK(machines[i], COMGETTER(Accessible)(&fAccessible));
if (!fAccessible)
continue;
AutostopType_T enmAutostopType;
CHECK_ERROR_BREAK(machines[i], COMGETTER(AutostopType)(&enmAutostopType));
if (enmAutostopType != AutostopType_Disabled)
{
AUTOSTOPVM autostopVM;
CHECK_ERROR_BREAK(machines[i], COMGETTER(Id)(autostopVM.strId.asOutParam()));
autostopVM.enmAutostopType = enmAutostopType;
listVM.push_back(autostopVM);
}
}
}
if ( SUCCEEDED(rc)
&& listVM.size())
{
std::list<AUTOSTOPVM>::iterator it;
for (it = listVM.begin(); it != listVM.end(); it++)
{
MachineState_T enmMachineState;
ComPtr<IMachine> machine;
CHECK_ERROR_BREAK(g_pVirtualBox, FindMachine((*it).strId.raw(),
machine.asOutParam()));
CHECK_ERROR_BREAK(machine, COMGETTER(State)(&enmMachineState));
/* Wait until the VM changes from a transient state back. */
while ( enmMachineState >= MachineState_FirstTransient
&& enmMachineState <= MachineState_LastTransient)
{
RTThreadSleep(1000);
CHECK_ERROR_BREAK(machine, COMGETTER(State)(&enmMachineState));
}
/* Only power off running machines. */
if ( enmMachineState == MachineState_Running
|| enmMachineState == MachineState_Paused)
{
ComPtr<IConsole> console;
ComPtr<IProgress> progress;
/* open a session for the VM */
CHECK_ERROR_BREAK(machine, LockMachine(g_pSession, LockType_Shared));
/* get the associated console */
CHECK_ERROR_BREAK(g_pSession, COMGETTER(Console)(console.asOutParam()));
switch ((*it).enmAutostopType)
{
case AutostopType_SaveState:
{
rc = autostartSaveVMState(console);
break;
}
case AutostopType_PowerOff:
{
CHECK_ERROR_BREAK(console, PowerDown(progress.asOutParam()));
rc = showProgress(progress);
CHECK_PROGRESS_ERROR(progress, ("Failed to power off machine"));
break;
}
case AutostopType_AcpiShutdown:
{
BOOL fGuestEnteredACPI = false;
CHECK_ERROR_BREAK(console, GetGuestEnteredACPIMode(&fGuestEnteredACPI));
if (fGuestEnteredACPI && enmMachineState == MachineState_Running)
{
CHECK_ERROR_BREAK(console, PowerButton());
autostartSvcLogInfo("Waiting for VM \"%ls\" to power off...\n", (*it).strId.raw());
do
{
RTThreadSleep(1000);
CHECK_ERROR_BREAK(machine, COMGETTER(State)(&enmMachineState));
} while (enmMachineState == MachineState_Running);
}
else
{
/* Use save state instead and log this to the console. */
autostartSvcLogWarning("The guest of VM \"%ls\" does not support ACPI shutdown or is currently paused, saving state...\n",
(*it).strId.raw());
rc = autostartSaveVMState(console);
}
break;
}
default:
autostartSvcLogWarning("Unknown autostop type for VM \"%ls\"\n", (*it).strId.raw());
}
g_pSession->UnlockMachine();
}
}
}
}
return rcExit;
}
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