/* $Id: RemoteUSBDeviceImpl.cpp 14772 2008-11-28 12:41:22Z vboxsync $ */

/** @file
 *
 * VirtualBox IHostUSBDevice COM interface implementation
 * for remote (VRDP) USB devices
 */

/*
 * Copyright (C) 2006-2008 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.
 */

#include "RemoteUSBDeviceImpl.h"
#include "Logging.h"

#include <VBox/err.h>

#include <VBox/vrdpapi.h>
#include <VBox/vrdpusb.h>

// constructor / destructor
/////////////////////////////////////////////////////////////////////////////

DEFINE_EMPTY_CTOR_DTOR (RemoteUSBDevice)

HRESULT RemoteUSBDevice::FinalConstruct()
{
    return S_OK;
}

void RemoteUSBDevice::FinalRelease()
{
    uninit();
}

// public initializer/uninitializer for internal purposes only
/////////////////////////////////////////////////////////////////////////////

/** @todo (sunlover) REMOTE_USB Device states. */

/**
 * Initializes the remote USB device object.
 */
HRESULT RemoteUSBDevice::init (uint32_t u32ClientId, VRDPUSBDEVICEDESC *pDevDesc)
{
    LogFlowThisFunc (("u32ClientId=%d,pDevDesc=%p\n", u32ClientId, pDevDesc));

    /* Enclose the state transition NotReady->InInit->Ready */
    AutoInitSpan autoInitSpan (this);
    AssertReturn (autoInitSpan.isOk(), E_FAIL);

    unconst (mData.id).create();

    unconst (mData.vendorId)     = pDevDesc->idVendor;
    unconst (mData.productId)    = pDevDesc->idProduct;
    unconst (mData.revision)     = pDevDesc->bcdRev;

    unconst (mData.manufacturer) = pDevDesc->oManufacturer? (char *)pDevDesc + pDevDesc->oManufacturer: "";
    unconst (mData.product)      = pDevDesc->oProduct? (char *)pDevDesc + pDevDesc->oProduct: "";
    unconst (mData.serialNumber) = pDevDesc->oSerialNumber? (char *)pDevDesc + pDevDesc->oSerialNumber: "";

    char id[64];
    RTStrPrintf(id, sizeof (id), REMOTE_USB_BACKEND_PREFIX_S "0x%08X&0x%08X", pDevDesc->id, u32ClientId);
    unconst (mData.address)      = id;

    unconst (mData.port)         = pDevDesc->idPort;
    unconst (mData.version)      = pDevDesc->bcdUSB >> 8;
    unconst (mData.portVersion)  = mData.version; /** @todo fix this */

    mData.state                  = USBDeviceState_Available;

    mData.dirty                  = false;
    unconst (mData.devId)        = pDevDesc->id;

    unconst (mData.clientId)     = u32ClientId;

    /* Confirm a successful initialization */
    autoInitSpan.setSucceeded();

    return S_OK;
}


/**
 *  Uninitializes the instance and sets the ready flag to FALSE.
 *  Called either from FinalRelease() or by the parent when it gets destroyed.
 */
void RemoteUSBDevice::uninit()
{
    LogFlowThisFunc (("\n"));

    /* Enclose the state transition Ready->InUninit->NotReady */
    AutoUninitSpan autoUninitSpan (this);
    if (autoUninitSpan.uninitDone())
        return;

    unconst (mData.id).clear();

    unconst (mData.vendorId) = 0;
    unconst (mData.productId) = 0;
    unconst (mData.revision) = 0;

    unconst (mData.manufacturer).setNull();
    unconst (mData.product).setNull();
    unconst (mData.serialNumber).setNull();

    unconst (mData.address).setNull();

    unconst (mData.port) = 0;
    unconst (mData.version) = 1;
    unconst (mData.portVersion) = 1;

    unconst (mData.dirty) = FALSE;

    unconst (mData.devId) = 0;
    unconst (mData.clientId) = 0;
}

// IUSBDevice properties
/////////////////////////////////////////////////////////////////////////////

STDMETHODIMP RemoteUSBDevice::COMGETTER(Id) (GUIDPARAMOUT aId)
{
    if (!aId)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* this is const, no need to lock */
    mData.id.cloneTo (aId);

    return S_OK;
}

STDMETHODIMP RemoteUSBDevice::COMGETTER(VendorId) (USHORT *aVendorId)
{
    if (!aVendorId)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* this is const, no need to lock */
    *aVendorId = mData.vendorId;

    return S_OK;
}

STDMETHODIMP RemoteUSBDevice::COMGETTER(ProductId) (USHORT *aProductId)
{
    if (!aProductId)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* this is const, no need to lock */
    *aProductId = mData.productId;

    return S_OK;
}

STDMETHODIMP RemoteUSBDevice::COMGETTER(Revision) (USHORT *aRevision)
{
    if (!aRevision)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* this is const, no need to lock */
    *aRevision = mData.revision;

    return S_OK;
}

STDMETHODIMP RemoteUSBDevice::COMGETTER(Manufacturer) (BSTR *aManufacturer)
{
    if (!aManufacturer)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* this is const, no need to lock */
    mData.manufacturer.cloneTo (aManufacturer);

    return S_OK;
}

STDMETHODIMP RemoteUSBDevice::COMGETTER(Product) (BSTR *aProduct)
{
    if (!aProduct)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* this is const, no need to lock */
    mData.product.cloneTo (aProduct);

    return S_OK;
}

STDMETHODIMP RemoteUSBDevice::COMGETTER(SerialNumber) (BSTR *aSerialNumber)
{
    if (!aSerialNumber)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* this is const, no need to lock */
    mData.serialNumber.cloneTo (aSerialNumber);

    return S_OK;
}

STDMETHODIMP RemoteUSBDevice::COMGETTER(Address) (BSTR *aAddress)
{
    if (!aAddress)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* this is const, no need to lock */
    mData.address.cloneTo (aAddress);

    return S_OK;
}

STDMETHODIMP RemoteUSBDevice::COMGETTER(Port) (USHORT *aPort)
{
    if (!aPort)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* this is const, no need to lock */
    *aPort = mData.port;

    return S_OK;
}

STDMETHODIMP RemoteUSBDevice::COMGETTER(Version) (USHORT *aVersion)
{
    if (!aVersion)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* this is const, no need to lock */
    *aVersion = mData.version;

    return S_OK;
}

STDMETHODIMP RemoteUSBDevice::COMGETTER(PortVersion) (USHORT *aPortVersion)
{
    if (!aPortVersion)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* this is const, no need to lock */
    *aPortVersion = mData.portVersion;

    return S_OK;
}

STDMETHODIMP RemoteUSBDevice::COMGETTER(Remote) (BOOL *aRemote)
{
    if (!aRemote)
        return E_INVALIDARG;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    /* RemoteUSBDevice is always remote. */
    /* this is const, no need to lock */
    *aRemote = TRUE;

    return S_OK;
}

// IHostUSBDevice properties
/////////////////////////////////////////////////////////////////////////////

STDMETHODIMP RemoteUSBDevice::COMGETTER(State) (USBDeviceState_T *aState)
{
    if (!aState)
        return E_POINTER;

    AutoCaller autoCaller (this);
    CheckComRCReturnRC (autoCaller.rc());

    AutoReadLock alock (this);

    *aState = mData.state;

    return S_OK;
}

// public methods only for internal purposes
////////////////////////////////////////////////////////////////////////////////
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