/* $Id: HostImpl.h 22211 2009-08-12 16:05:19Z vboxsync $ */
/** @file
 * Implemenation of IHost.
 */

/*
 * Copyright (C) 2006-2009 Sun Microsystems, Inc.
 *
 * 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.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 USA or visit http://www.sun.com if you need
 * additional information or have any questions.
 */

#ifndef ____H_HOSTIMPL
#define ____H_HOSTIMPL

#include "VirtualBoxBase.h"
#ifdef VBOX_WITH_USB
# include "HostUSBDeviceImpl.h"
# include "USBDeviceFilterImpl.h"
# include "USBProxyService.h"
# include "VirtualBoxImpl.h"
#else
class USBProxyService;
#endif
#include "HostPower.h"

#ifdef RT_OS_LINUX
# include <HostHardwareLinux.h>
#endif

#ifdef VBOX_WITH_RESOURCE_USAGE_API
# include "PerformanceImpl.h"
#endif /* VBOX_WITH_RESOURCE_USAGE_API */

class VirtualBox;
class SessionMachine;
class HostDVDDrive;
class HostFloppyDrive;
class Progress;

namespace settings
{
    struct Host;
}

#include <list>

class ATL_NO_VTABLE Host :
    public VirtualBoxBaseWithChildren,
    public VirtualBoxSupportErrorInfoImpl<Host, IHost>,
    public VirtualBoxSupportTranslation<Host>,
    VBOX_SCRIPTABLE_IMPL(IHost)
{
public:

    DECLARE_NOT_AGGREGATABLE(Host)

    DECLARE_PROTECT_FINAL_CONSTRUCT()

    BEGIN_COM_MAP(Host)
        COM_INTERFACE_ENTRY(ISupportErrorInfo)
        COM_INTERFACE_ENTRY(IHost)
        COM_INTERFACE_ENTRY(IDispatch)
    END_COM_MAP()

    NS_DECL_ISUPPORTS

    HRESULT FinalConstruct();
    void FinalRelease();

    // public initializer/uninitializer for internal purposes only
    HRESULT init(VirtualBox *aParent);
    void uninit();

    // IHost properties
    STDMETHOD(COMGETTER(DVDDrives))(ComSafeArrayOut (IHostDVDDrive*, drives));
    STDMETHOD(COMGETTER(FloppyDrives))(ComSafeArrayOut (IHostFloppyDrive*, drives));
    STDMETHOD(COMGETTER(USBDevices))(ComSafeArrayOut (IHostUSBDevice *, aUSBDevices));
    STDMETHOD(COMGETTER(USBDeviceFilters))(ComSafeArrayOut (IHostUSBDeviceFilter *, aUSBDeviceFilters));
    STDMETHOD(COMGETTER(NetworkInterfaces))(ComSafeArrayOut (IHostNetworkInterface *, aNetworkInterfaces));
    STDMETHOD(COMGETTER(ProcessorCount))(ULONG *count);
    STDMETHOD(COMGETTER(ProcessorOnlineCount))(ULONG *count);
    STDMETHOD(GetProcessorSpeed)(ULONG cpuId, ULONG *speed);
    STDMETHOD(GetProcessorDescription)(ULONG cpuId, BSTR *description);
    STDMETHOD(GetProcessorFeature) (ProcessorFeature_T feature, BOOL *supported);
    STDMETHOD(COMGETTER(MemorySize))(ULONG *size);
    STDMETHOD(COMGETTER(MemoryAvailable))(ULONG *available);
    STDMETHOD(COMGETTER(OperatingSystem))(BSTR *os);
    STDMETHOD(COMGETTER(OSVersion))(BSTR *version);
    STDMETHOD(COMGETTER(UTCTime))(LONG64 *aUTCTime);
    STDMETHOD(COMGETTER(Acceleration3DAvailable))(BOOL *aSupported);

    // IHost methods
    STDMETHOD(CreateHostOnlyNetworkInterface) (IHostNetworkInterface **aHostNetworkInterface,
                                               IProgress **aProgress);
    STDMETHOD(RemoveHostOnlyNetworkInterface) (IN_BSTR aId, IProgress **aProgress);
    STDMETHOD(CreateUSBDeviceFilter) (IN_BSTR aName, IHostUSBDeviceFilter **aFilter);
    STDMETHOD(InsertUSBDeviceFilter) (ULONG aPosition, IHostUSBDeviceFilter *aFilter);
    STDMETHOD(RemoveUSBDeviceFilter) (ULONG aPosition);

    STDMETHOD(FindHostDVDDrive) (IN_BSTR aName, IHostDVDDrive **aDrive);
    STDMETHOD(FindHostFloppyDrive) (IN_BSTR aName, IHostFloppyDrive **aDrive);
    STDMETHOD(FindHostNetworkInterfaceByName) (IN_BSTR aName, IHostNetworkInterface **networkInterface);
    STDMETHOD(FindHostNetworkInterfaceById) (IN_BSTR id, IHostNetworkInterface **networkInterface);
    STDMETHOD(FindHostNetworkInterfacesOfType) (HostNetworkInterfaceType_T type, ComSafeArrayOut (IHostNetworkInterface *, aNetworkInterfaces));
    STDMETHOD(FindUSBDeviceByAddress) (IN_BSTR aAddress, IHostUSBDevice **aDevice);
    STDMETHOD(FindUSBDeviceById) (IN_BSTR aId, IHostUSBDevice **aDevice);

    // public methods only for internal purposes
    HRESULT loadSettings(const settings::Host &data);
    HRESULT saveSettings(settings::Host &data);

#ifdef VBOX_WITH_USB
    typedef std::list <ComObjPtr<HostUSBDeviceFilter> > USBDeviceFilterList;

    /** Must be called from under this object's lock. */
    USBProxyService *usbProxyService() { return mUSBProxyService; }

    HRESULT onUSBDeviceFilterChange (HostUSBDeviceFilter *aFilter, BOOL aActiveChanged = FALSE);
    void getUSBFilters(USBDeviceFilterList *aGlobalFiltes, VirtualBox::SessionMachineVector *aMachines);
    HRESULT checkUSBProxyService();
#endif /* !VBOX_WITH_USB */

    // for VirtualBoxSupportErrorInfoImpl
    static const wchar_t *getComponentName() { return L"Host"; }

private:

#if (defined(RT_OS_SOLARIS) || defined(RT_OS_FREEBSD)) && defined(VBOX_USE_LIBHAL)
    bool getDVDInfoFromHal(std::list <ComObjPtr<HostDVDDrive> > &list);
    bool getFloppyInfoFromHal(std::list <ComObjPtr<HostFloppyDrive> > &list);
#endif

#if defined(RT_OS_SOLARIS)
    void parseMountTable(char *mountTable, std::list <ComObjPtr<HostDVDDrive> > &list);
    bool validateDevice(const char *deviceNode, bool isCDROM);
#endif

#ifdef VBOX_WITH_USB
    /** specialization for IHostUSBDeviceFilter */
    ComObjPtr<HostUSBDeviceFilter> getDependentChild (IHostUSBDeviceFilter *aFilter)
    {
        VirtualBoxBase *child = VirtualBoxBaseWithChildren::
                                getDependentChild (ComPtr<IUnknown> (aFilter));
        return child ? dynamic_cast <HostUSBDeviceFilter *> (child)
                     : NULL;
    }
#endif /* VBOX_WITH_USB */

#ifdef VBOX_WITH_RESOURCE_USAGE_API
    void registerMetrics (PerformanceCollector *aCollector);
    void unregisterMetrics (PerformanceCollector *aCollector);
#endif /* VBOX_WITH_RESOURCE_USAGE_API */

    ComObjPtr<VirtualBox, ComWeakRef> mParent;

#ifdef VBOX_WITH_USB
    USBDeviceFilterList mUSBDeviceFilters;

    /** Pointer to the USBProxyService object. */
    USBProxyService *mUSBProxyService;
#endif /* VBOX_WITH_USB */

#ifdef RT_OS_LINUX
    /** Object with information about host drives */
    VBoxMainDriveInfo mHostDrives;
#endif
    /* Features that can be queried with GetProcessorFeature */
    BOOL fVTxAMDVSupported, fLongModeSupported, fPAESupported;
    /* 3D hardware acceleration supported? */
    BOOL f3DAccelerationSupported;

    HostPowerService *mHostPowerService;
};

#endif // ____H_HOSTIMPL
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