Main/src-client/EmulatedUSBImpl.cpp

	EmulatedUSBImpl.cpp revision 101e307bb33304d9dda53a7652510880e8228b13
101e307bb33304d9dda53a7652510880e8228b13vboxsync/* $Id$ */
101e307bb33304d9dda53a7652510880e8228b13vboxsync/** @file
101e307bb33304d9dda53a7652510880e8228b13vboxsync *
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Emulated USB manager implementation.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/*
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Copyright (C) 2013 Oracle Corporation
101e307bb33304d9dda53a7652510880e8228b13vboxsync *
101e307bb33304d9dda53a7652510880e8228b13vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
101e307bb33304d9dda53a7652510880e8228b13vboxsync * available from http://www.virtualbox.org. This file is free software;
101e307bb33304d9dda53a7652510880e8228b13vboxsync * you can redistribute it and/or modify it under the terms of the GNU
101e307bb33304d9dda53a7652510880e8228b13vboxsync * General Public License (GPL) as published by the Free Software
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
101e307bb33304d9dda53a7652510880e8228b13vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
101e307bb33304d9dda53a7652510880e8228b13vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync#include "EmulatedUSBImpl.h"
101e307bb33304d9dda53a7652510880e8228b13vboxsync#include "ConsoleImpl.h"
101e307bb33304d9dda53a7652510880e8228b13vboxsync#include "Logging.h"
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync#include <VBox/vmm/pdmusb.h>
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/*
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Emulated USB webcam device instance.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsynctypedef std::map <Utf8Str, Utf8Str> EUSBSettingsMap;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsynctypedef enum EUSBDEVICESTATUS
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    EUSBDEVICE_CREATED,
101e307bb33304d9dda53a7652510880e8228b13vboxsync    EUSBDEVICE_ATTACHING,
101e307bb33304d9dda53a7652510880e8228b13vboxsync    EUSBDEVICE_ATTACHED
101e307bb33304d9dda53a7652510880e8228b13vboxsync} EUSBDEVICESTATUS;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncclass EUSBWEBCAM /* : public EUSBDEVICE */
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    private:
101e307bb33304d9dda53a7652510880e8228b13vboxsync        int32_t volatile mcRefs;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        RTUUID mUuid;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        Utf8Str mPath;
101e307bb33304d9dda53a7652510880e8228b13vboxsync        Utf8Str mSettings;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBSettingsMap mDevSettings;
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBSettingsMap mDrvSettings;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        static DECLCALLBACK(int) emulatedWebcamAttach(PUVM pUVM, EUSBWEBCAM *pThis);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        static DECLCALLBACK(int) emulatedWebcamDetach(PUVM pUVM, EUSBWEBCAM *pThis);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        HRESULT settingsParse(void);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        ~EUSBWEBCAM()
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    public:
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBWEBCAM()
101e307bb33304d9dda53a7652510880e8228b13vboxsync            :
101e307bb33304d9dda53a7652510880e8228b13vboxsync            mcRefs(1),
101e307bb33304d9dda53a7652510880e8228b13vboxsync            enmStatus(EUSBDEVICE_CREATED)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            RT_ZERO(mUuid);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        int32_t AddRef(void)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            return ASMAtomicIncS32(&mcRefs);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        void Release(void)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            int32_t c = ASMAtomicDecS32(&mcRefs);
101e307bb33304d9dda53a7652510880e8228b13vboxsync            if (c == 0)
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                delete this;
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        HRESULT Initialize(Console *pConsole,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                           const com::Utf8Str *aPath,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                           const com::Utf8Str *aSettings);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        HRESULT Attach(Console *pConsole,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                       PUVM pUVM);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        HRESULT Detach(Console *pConsole,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                       PUVM pUVM);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBDEVICESTATUS enmStatus;
101e307bb33304d9dda53a7652510880e8228b13vboxsync};
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/* static */ DECLCALLBACK(int) EUSBWEBCAM::emulatedWebcamAttach(PUVM pUVM, EUSBWEBCAM *pThis)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    EUSBSettingsMap::const_iterator it;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    PCFGMNODE pInstance = CFGMR3CreateTree(pUVM);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    PCFGMNODE pConfig;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    CFGMR3InsertNode(pInstance,   "Config", &pConfig);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    for (it = pThis->mDevSettings.begin(); it != pThis->mDevSettings.end(); ++it)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        CFGMR3InsertString(pConfig, it->first.c_str(), it->second.c_str());
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    PCFGMNODE pLunL0;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    CFGMR3InsertNode(pInstance,   "LUN#0", &pLunL0);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    CFGMR3InsertString(pLunL0,      "Driver", "HostWebcam");
101e307bb33304d9dda53a7652510880e8228b13vboxsync    CFGMR3InsertNode(pLunL0,        "Config", &pConfig);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    CFGMR3InsertString(pConfig,       "DevicePath", pThis->mPath.c_str());
101e307bb33304d9dda53a7652510880e8228b13vboxsync    for (it = pThis->mDrvSettings.begin(); it != pThis->mDrvSettings.end(); ++it)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        CFGMR3InsertString(pConfig, it->first.c_str(), it->second.c_str());
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    int rc = PDMR3UsbCreateEmulatedDevice(pUVM, "Webcam", pInstance, &pThis->mUuid);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    LogRel(("PDMR3UsbCreateEmulatedDevice %Rrc\n", rc));
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (RT_FAILURE(rc) && pInstance)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        CFGMR3RemoveNode(pInstance);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return rc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/* static */ DECLCALLBACK(int) EUSBWEBCAM::emulatedWebcamDetach(PUVM pUVM, EUSBWEBCAM *pThis)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return PDMR3UsbDetachDevice(pUVM, &pThis->mUuid);
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EUSBWEBCAM::Initialize(Console *pConsole,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                               const com::Utf8Str *aPath,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                               const com::Utf8Str *aSettings)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    int vrc = RTUuidCreate(&mUuid);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (RT_SUCCESS(vrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = mPath.assignEx(*aPath);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            hrc = mSettings.assignEx(*aSettings);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            hrc = settingsParse();
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (SUCCEEDED(hrc) && RT_FAILURE(vrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        LogFlowThisFunc(("%Rrc\n", vrc));
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = pConsole->setError(VBOX_E_IPRT_ERROR,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                                 "Init emulated USB webcam (%Rrc)", vrc);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EUSBWEBCAM::settingsParse(void)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EUSBWEBCAM::Attach(Console *pConsole,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                           PUVM pUVM)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    int  vrc = VMR3ReqCallWaitU(pUVM, 0 /* idDstCpu (saved state, see #6232) */,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                                (PFNRT)emulatedWebcamAttach, 2,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                                pUVM, this);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (SUCCEEDED(hrc) && RT_FAILURE(vrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        LogFlowThisFunc(("%Rrc\n", vrc));
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = pConsole->setError(VBOX_E_IPRT_ERROR,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                                 "Attach emulated USB webcam (%Rrc)", vrc);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EUSBWEBCAM::Detach(Console *pConsole,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                           PUVM pUVM)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    int vrc = VMR3ReqCallWaitU(pUVM, 0 /* idDstCpu (saved state, see #6232) */,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                              (PFNRT)emulatedWebcamDetach, 2,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                              pUVM, this);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (SUCCEEDED(hrc) && RT_FAILURE(vrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        LogFlowThisFunc(("%Rrc\n", vrc));
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = pConsole->setError(VBOX_E_IPRT_ERROR,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                                 "Detach emulated USB webcam (%Rrc)", vrc);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/*
101e307bb33304d9dda53a7652510880e8228b13vboxsync * EmulatedUSB implementation.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsyncDEFINE_EMPTY_CTOR_DTOR(EmulatedUSB)
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EmulatedUSB::FinalConstruct()
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return BaseFinalConstruct();
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncvoid EmulatedUSB::FinalRelease()
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    uninit();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    BaseFinalRelease();
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/*
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Initializes the instance.
101e307bb33304d9dda53a7652510880e8228b13vboxsync *
101e307bb33304d9dda53a7652510880e8228b13vboxsync * @param pConsole   The owner.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EmulatedUSB::init(ComObjPtr<Console> pConsole)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    LogFlowThisFunc(("pConsole=%p\n", pConsole));
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    ComAssertRet(!pConsole.isNull(), E_INVALIDARG);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    /* Enclose the state transition NotReady->InInit->Ready */
101e307bb33304d9dda53a7652510880e8228b13vboxsync    AutoInitSpan autoInitSpan(this);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    AssertReturn(autoInitSpan.isOk(), E_FAIL);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    m.pConsole = pConsole;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    /* Confirm a successful initialization */
101e307bb33304d9dda53a7652510880e8228b13vboxsync    autoInitSpan.setSucceeded();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/*
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Uninitializes the instance.
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Called either from FinalRelease() or by the parent when it gets destroyed.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsyncvoid EmulatedUSB::uninit()
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    LogFlowThisFunc(("\n"));
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    m.pConsole.setNull();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    WebcamsMap::iterator it = m.webcams.begin();
101e307bb33304d9dda53a7652510880e8228b13vboxsync    while (it != m.webcams.end())
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBWEBCAM *p = it->second;
101e307bb33304d9dda53a7652510880e8228b13vboxsync        it = m.webcams.erase(it);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        p->Release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    alock.release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    /* Enclose the state transition Ready->InUninit->NotReady */
101e307bb33304d9dda53a7652510880e8228b13vboxsync    AutoUninitSpan autoUninitSpan(this);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (autoUninitSpan.uninitDone())
101e307bb33304d9dda53a7652510880e8228b13vboxsync        return;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EmulatedUSB::getWebcams(std::vector<com::Utf8Str> &aWebcams)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    try
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        aWebcams.resize(m.webcams.size());
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    catch (std::bad_alloc &)
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = E_OUTOFMEMORY;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    catch (...)
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = E_FAIL;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        size_t i;
101e307bb33304d9dda53a7652510880e8228b13vboxsync        WebcamsMap::const_iterator it;
101e307bb33304d9dda53a7652510880e8228b13vboxsync        for (i = 0, it = m.webcams.begin(); it != m.webcams.end(); ++it)
101e307bb33304d9dda53a7652510880e8228b13vboxsync            aWebcams[i++] = it->first;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncstatic const Utf8Str s_pathDefault(".0");
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EmulatedUSB::webcamAttach(const com::Utf8Str &aPath,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                                  const com::Utf8Str &aSettings)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    const Utf8Str &path = aPath.isEmpty() || aPath == "."? s_pathDefault: aPath;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    Console::SafeVMPtr ptrVM(m.pConsole);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (ptrVM.isOk())
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBWEBCAM *p = new EUSBWEBCAM();
101e307bb33304d9dda53a7652510880e8228b13vboxsync        if (p)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            hrc = p->Initialize(m.pConsole, &path, &aSettings);
101e307bb33304d9dda53a7652510880e8228b13vboxsync            if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
101e307bb33304d9dda53a7652510880e8228b13vboxsync                WebcamsMap::const_iterator it = m.webcams.find(path);
101e307bb33304d9dda53a7652510880e8228b13vboxsync                if (it == m.webcams.end())
101e307bb33304d9dda53a7652510880e8228b13vboxsync                {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    p->AddRef();
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    try
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                        m.webcams[path] = p;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    catch (std::bad_alloc &)
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                        hrc = E_OUTOFMEMORY;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    catch (...)
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                        hrc = E_FAIL;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    p->enmStatus = EUSBDEVICE_ATTACHING;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                }
101e307bb33304d9dda53a7652510880e8228b13vboxsync                else
101e307bb33304d9dda53a7652510880e8228b13vboxsync                {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    hrc = E_FAIL;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                }
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync            if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                hrc = p->Attach(m.pConsole, ptrVM.rawUVM());
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync            AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
101e307bb33304d9dda53a7652510880e8228b13vboxsync            if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                p->enmStatus = EUSBDEVICE_ATTACHED;
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync            else
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                if (p->enmStatus != EUSBDEVICE_CREATED)
101e307bb33304d9dda53a7652510880e8228b13vboxsync                {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    m.webcams.erase(path);
101e307bb33304d9dda53a7652510880e8228b13vboxsync                }
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync            alock.release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync            p->Release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync        else
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            hrc = E_OUTOFMEMORY;
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    else
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = VBOX_E_INVALID_VM_STATE;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EmulatedUSB::webcamDetach(const com::Utf8Str &aPath)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    const Utf8Str &path = aPath.isEmpty() || aPath == "."? s_pathDefault: aPath;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    Console::SafeVMPtr ptrVM(m.pConsole);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (ptrVM.isOk())
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBWEBCAM *p = NULL;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        WebcamsMap::iterator it = m.webcams.find(path);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        if (it != m.webcams.end())
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            if (it->second->enmStatus == EUSBDEVICE_ATTACHED)
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                p = it->second;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                m.webcams.erase(it);
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync        alock.release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        if (p)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            hrc = p->Detach(m.pConsole, ptrVM.rawUVM());
101e307bb33304d9dda53a7652510880e8228b13vboxsync            p->Release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    else
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = VBOX_E_INVALID_VM_STATE;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/* vi: set tabstop=4 shiftwidth=4 expandtab: */