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/* $Id: VBoxAutostartStart.cpp $ */
/** @file
* VBoxAutostart - VirtualBox Autostart service, start machines during system boot.
*/
/*
* 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/message.h>
#include <iprt/thread.h>
#include <iprt/stream.h>
#include <iprt/log.h>
#include <algorithm>
#include <list>
#include <string>
#include "VBoxAutostart.h"
using namespace com;
/**
* VM list entry.
*/
typedef struct AUTOSTARTVM
{
/** ID of the VM to start. */
Bstr strId;
/** Startup delay of the VM. */
ULONG uStartupDelay;
} AUTOSTARTVM;
static DECLCALLBACK(bool) autostartVMCmp(const AUTOSTARTVM &vm1, const AUTOSTARTVM &vm2)
{
return vm1.uStartupDelay <= vm2.uStartupDelay;
}
DECLHIDDEN(RTEXITCODE) autostartStartMain(PCFGAST pCfgAst)
{
RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
int vrc = VINF_SUCCESS;
std::list<AUTOSTARTVM> listVM;
uint32_t uStartupDelay = 0;
pCfgAst = autostartConfigAstGetByName(pCfgAst, "startup_delay");
if (pCfgAst)
{
if (pCfgAst->enmType == CFGASTNODETYPE_KEYVALUE)
{
vrc = RTStrToUInt32Full(pCfgAst->u.KeyValue.aszValue, 10, &uStartupDelay);
if (RT_FAILURE(vrc))
return RTMsgErrorExit(RTEXITCODE_FAILURE, "'startup_delay' must be an unsigned number");
}
}
if (uStartupDelay)
{
autostartSvcLogVerbose("Delay starting for %d seconds ...\n", uStartupDelay);
vrc = RTThreadSleep(uStartupDelay * 1000);
}
if (vrc == VERR_INTERRUPTED)
return RTEXITCODE_SUCCESS;
/*
* Build a list of all VMs we need to autostart 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
*/
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;
BOOL fAutostart;
CHECK_ERROR_BREAK(machines[i], COMGETTER(AutostartEnabled)(&fAutostart));
if (fAutostart)
{
AUTOSTARTVM autostartVM;
CHECK_ERROR_BREAK(machines[i], COMGETTER(Id)(autostartVM.strId.asOutParam()));
CHECK_ERROR_BREAK(machines[i], COMGETTER(AutostartDelay)(&autostartVM.uStartupDelay));
listVM.push_back(autostartVM);
}
}
}
if ( SUCCEEDED(rc)
&& listVM.size())
{
ULONG uDelayCurr = 0;
/* Sort by startup delay and apply base override. */
listVM.sort(autostartVMCmp);
std::list<AUTOSTARTVM>::iterator it;
for (it = listVM.begin(); it != listVM.end(); it++)
{
ComPtr<IMachine> machine;
ComPtr<IProgress> progress;
if ((*it).uStartupDelay > uDelayCurr)
{
autostartSvcLogVerbose("Delay starting of the next VMs for %d seconds ...\n",
(*it).uStartupDelay - uDelayCurr);
RTThreadSleep(((*it).uStartupDelay - uDelayCurr) * 1000);
uDelayCurr = (*it).uStartupDelay;
}
CHECK_ERROR_BREAK(g_pVirtualBox, FindMachine((*it).strId.raw(),
machine.asOutParam()));
CHECK_ERROR_BREAK(machine, LaunchVMProcess(g_pSession, Bstr("headless").raw(),
Bstr("").raw(), progress.asOutParam()));
if (SUCCEEDED(rc) && !progress.isNull())
{
autostartSvcLogVerbose("Waiting for VM \"%ls\" to power on...\n", (*it).strId.raw());
CHECK_ERROR(progress, WaitForCompletion(-1));
if (SUCCEEDED(rc))
{
BOOL completed = true;
CHECK_ERROR(progress, COMGETTER(Completed)(&completed));
if (SUCCEEDED(rc))
{
ASSERT(completed);
LONG iRc;
CHECK_ERROR(progress, COMGETTER(ResultCode)(&iRc));
if (SUCCEEDED(rc))
{
if (FAILED(iRc))
{
ProgressErrorInfo info(progress);
com::GluePrintErrorInfo(info);
}
else
autostartSvcLogVerbose("VM \"%ls\" has been successfully started.\n", (*it).strId.raw());
}
}
}
}
g_pSession->UnlockMachine();
}
}
}
return rcExit;
}
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